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Reports and Memos

2024

Study 287. Troiano, J, M. Clayton, C. Nordmark, and J. Sullivan. 2024. Revision of the Statistical Method to Identify Pesticide Chemicals with Potential to Move through Soil to Groundwater in California, PDF.
Study 320. Harihar Nepal. 2024. Ambient Surface Water and Mitigation Monitoring in Urban Areas in Southern California (WY2022/2023) PDF. For supporting information, please contact study lead.
Study 329. Joshua Alvarado, Kari McClanahan, 2024. Pesticide monitoring in ubran areas of Northern California (FY2022/2023), PDF. For supporting information, please contact study lead.
Study 322. John Wheeler. 2024. Monitoring Pesticides in Wastewater Influent and Effluent, PDF. For supporting information, please contact study lead.
Study 310. Mason Zoerner. 2024. Surface Water Monitoring for Pesticides in Agricultural Areas of Northern California, 2022, PDF. For supporting information, please contact study lead.
Study 321. Pedro Lima. 2024. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2022, PDF. For supporting information, please contact study lead.

2023

Study 320. Robert Budd, 2023. Ambient Surface Water and Mitigation Monitoring in Urban Areas in Southern California (FY2021/2022), PDF. For supporting information, please contact study lead.
Report WIR37. Groundwater Protection Program. August 2023. Sampling for Pesticide Residues in California Well Water - 37th Annual Well Sampling Report, 2022 Update, PDF.
Study 323. Ruud, N. 2023. Groundwater Monitoring at a Flood-MAR Pilot Study Site near Helm, California, PDF.
Report PCPA2122. Bergin, R. March 2023. 2021/2022 Status Report Pesticide Contamination Prevention Act, PDF.
Study 329. Joshua Alvarado, 2023. Surface Water Monitoring for Pesticides in Urban Areas of Northern California (FY2020/2021), PDF. For supporting information, please contact study lead.
Study 310. Mason Zoerner. 2023. Surface Water Monitoring for Pesticides in Agricultural Areas of Northern California, 2021, PDF. For supporting information, please contact study lead.
Study 321. Xin Deng. 2023. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2021, PDF. For supporting information, please contact study lead.

2022

Study 319. Lima, P. and Zhang, X. 2022. Monitoring of Dissolved Copper in California Coastal Waterbodies, PDF. For supporting information, please contact study lead.
Study 318. Ruud, N. 2022. Cooperative Groundwater Monitoring in Region 3 with the Central Coast Regional Water Quality Control Board, PDF.
Study 228. Davalos, J. 2022. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling), PDF. Annual Update 2021.
Study GW18. DaSilva, A. and C. Nordmark. 2022. Groundwater Protection List Monitoring for 2,4-Dichlorophenoxyacetic Acid Herbicide, PDF.
Report PCPA2020. Bergin, R. May 2022. Status Report Pesticide Contamination Prevention Act, PDF.
Report WIR2021. Groundwater Protection Program. April 2022. Sampling for Pesticide Residues in California Well Water - 2021 Update, PDF.
- Highlights of the 2021 Annual Well Sampling Report, PDF
- DPR Response to Detections in the 2021 Well Sampling Report, PDF

2021

Study 310. Mason Zoerner. 2021. Surface Water Monitoring for Pesticides in Northern California Areas, 2020, PDF. For supporting information, please contact study lead.
Study 321. Xin Deng. 2021. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2020, PDF. For supporting information, please contact study lead.
Study 300. Ruud, N. 2021. Groundwater Monitoring for DCPA and Its Degradation Products MTP and TPA, PDF.
Study GW17/17A. Aggarwal, V. 2021. Groundwater Protection List Monitoring for Imidacloprid, PDF.
Study 299. Michael Ensminger, 2021. Pesticide monitoring in urban areas of Northern California (FY2019/2020), PDF. For supporting information, please contact study lead.
Study 320. Aniela Burant, 2021. Ambient Surface Water and Mitigation Monitoring in Urban Areas in Southern California FY 2019/2020, PDF. For supporting information, please contact study lead.
Report WIR2020. Groundwater Protection Program. April 2021. Sampling for Pesticide Residues in California Well Water - 2020 Update, PDF.
Study 228. Davalos, J. 2021. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling), PDF. Annual Update 2020.

2020

Study 310. Scott D. Wagner. 2020. Surface Water Monitoring for Pesticides in Northern California Areas, 2019, PDF. For supporting information, please contact study lead.
Report PCPA2019. Bergin, R. 2020. Status Report Pesticide Contamination Prevention Act, PDF.
Study 321. Anson Main. 2020. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2019, PDF. For supporting information, please contact study lead.
Study GW15. Richardson, K. 2020. Groundwater Protection List Monitoring for Bentazon, PDF.
Study 299. Mike Ensminger. 2020. Ambient and Mitigation Monitoring in Urban Areas in Northern California FY 2018/2019, PDF. For supporting information, please contact study lead.
Kim, D. 2020. Results for the environmental monitoring of imidacloprid and b-cyfluthrin used in the Asian citrus psyllid eradication program, PDF
Kim, D. 2020. Summary of Japanese Beetle eradication program monitoring for chlorantraniliprole in Sacramento and Santa Clara Counties, 2016, PDF
Study 228. Garretson, C. 2020. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling), PDF. Annual Update 2019.
Report WIR2019. Groundwater Protection Program. February 2020. Sampling for Pesticide Residues in California Well Water - 2019 Update, PDF.

2019

Study 319. Burant, A. 2019. Monitoring of Dissolved Copper in California Coastal Waterbodies, PDF.
Kim, D. 2019. Surface water monitoring of b-cyfluthrin used in the Asian citrus psyllid treatments near surface water, PDF.
Study 303. Ensminger, M., M. Johnson, D. Wang, and R. Budd. 2019. Source Identification of Bifenthrin in Placer County. September 17, 2019, PDF.
Report PCPA2018. Bergin, R. 2019. Status Report Pesticide Contamination Prevention Act, PDF.
Report WIR2018 Groundwater Protection Program. November 2019. Sampling for Pesticide Residues in California Well Water - 2018 Update, PDF.
- Appendix A, PDF
- Appendix B, PDF
- Appendix C, PDF
- Glossary of Terms, PDF
- Appendix D, PDF, available upon request at GWPP@cdpr.ca.gov
Study 228. Garretson, C. 2019. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2018, PDF.
Study 304. Xin Deng. 2019. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2018, PDF.. For supporting information, please contact study lead.
Study 270. Robert Budd. 2019. Urban Monitoring in Southern California Watersheds FY 2017/2018, PDF. For supporting information, please contact study lead.
Study 310. Scott D. Wagner. 2019. Surface Water Monitoring for Pesticides in Northern California Areas, 2018, PDF. For supporting information, please contact study lead.
Study 299. Mike Ensminger. 2019. Ambient and Mitigation Monitoring in Urban Areas in Northern California FY 2017/2018, PDF. For supporting information, please contact study lead.

2018

Report PCPA2017 Bergin, R. 2018. Status Report Pesticide Contamination Prevention Act, PDF.
Study 270 Robert Budd. 2018. Urban monitoring in Southern California watersheds FY 2016-2017, PDF. Supporting Information, PDF
Study 304 Xin Deng 2018. Surface Water Monitoring for Pesticides in Agricultural Areas in the Central Coast and Southern California, 2017, PDF. Supporting Information, PDF
Study 228 Garretson, C. 2018. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2017, PDF.
Study 310 Scott Wagner 2017. Surface Water Monitoring for Pesticides in Northern California Agricultural Areas, 2017, PDF. Supporting Information, PDF

2017

Study 240 Nordmark, C. 2017. Monitoring Groundwater in Sections with Reported Detections Outside Existing Ground Water Protection Areas, PDF.
Report PCPA2016 Bergin, R. 2017. Status Report Pesticide Contamination Prevention Act, PDF.
Report WIR2017. Ground Water Protection Program. December 2017. Sampling for Pesticide Residues in California Well Water - 2017 Update, PDF.
Study 299 Mike Ensminger 2017. Ambient Monitoring in Urban Areas in Northern California for FY 2016-2017, PDF. Supporting Information, PDF
Study 308 Scott D. Wagner. 2017. Interim Report on Sea Mist Farms Woodchip Bioreactor, PDF.
Report 304 Xin Deng. 2017. Surface Water Monitoring for Pesticides in Agricultural Areas of California, 2016, PDF. Supporting Information, PDF
Study 228 Garretson, C. 2017. Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2016, PDF.

2016

Study 279. Clayton, M., V. Aggarwal, A. DaSilva, and R. Phene. 2016. Characterizing Solute Movement in Coarse-textured, Leaching-vulnerable Soils Within Zero-tension Column Lysimeters, PDF
Report WIR2016. Ground Water Protection Program. August 2016 - Sampling for Pesticide Residues in California Well Water - 2016 Update, PDF.
Report 270. Robert Budd. 2016. Urban Monitoring in Southern California Watershed, FY15-16l, PDF. Supporting Information, PDF .
Report PCPA2015. Bergin, R. 2016. Status Report Pesticide Contamination Prevention Act, PDF.
Report 299. Mike Ensminger. 2016. Ambient Monitoring in Urban Areas in Northern California, FY15-16, PDF. Supporting Information, PDF.
Report 302. Wagner, Scott, Xin Deng, Kevin Kelley, and G.W. Bates 2016. Mitigation of Pesticide Runoff Using a Bioreactor in Santa Maria Valley, PDF.
Report 293. Yina Xie. 2016. Developing a California-Based Receiving Waterbody Model for Pesticide Product Registration Evaluation: Review of Model Theory, PDF.
Report 306. April DaSilva. Surface Water Monitoring for Pesticides in Agricultural Areas of Northern California, PDF. Supporting Information, PDF
Report 297. Xin Deng. 2016. Surface Water Monitoring for Pesticides in Agricultural Areas of California, 2015, PDF. Supporting Information, PDF
Report 283. Newhart, K. and K. Kelley. 2016. Surface Water Monitoring for Chlorantraniliprole in Agricultural Areas of the California Central Coast, 2013, PDF. Supporting Information, PDF .
Report 270. Budd, Robert. 2016. Urban Monitoring in Southern California Watersheds FY 2014 - 2015, PDF. Supporting Information, PDF.
Report 269. Mike Ensminger. 2016. Ambient and Mitigation Monitoring in Urban Areas in Northern California FY 2014 - 2015, PDF. Supporting Information, PDF.
Study 228. Garretson, C. 2016. Study 228: Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2015, PDF.

2015

Report 271 & 278. Deng, X. 2015. Surface Water Monitoring for Pesticides in Agricultural Areas of California, 2011-2012, PDF. Supporting Information, PDF
Report 290. Deng, X. 2015. Pesticides in Surface Water from Agricultural Regions of California 2014, PDF. Supporting Information, PDF.
Study 228. Garretson, C. 2015. Study 228: Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2014, PDF.

2014

Report 269 (FY 13-14) Ensminger, Mike. Urban Surface Water and Sediment Monitoring in Roseville and Folsom, California, 2013-14, PDF. Supporting Information, PDF.
Report 270 Budd, Robert. 2014. Urban Monitoring in Southern California Watersheds FY 2011 - 2014, PDF. Supporting Information, PDF.
Report 269 (FY 12-13). Ensminger, Mike. Urban Surface Water and Sediment Monitoring in Sacramento and Roseville Areas, 2012-2013, PDF. Supplemental Information, PDF.
Report 269 (FY 11-12). Ensminger, Mike. Further Characterization Of Sacramento, California Area Urban Neighborhoods. Addendum for Fiscal Year 2011-2012, PDF. Supplemental Information, PDF.
Report 282. Deng, X. 2014. Pesticides in Surface Water from Agricultural Regions of California 2013, PDF. Supporting Information, PDF.
Study 228 . Garretson, C. 2014. Study 228: Monitoring the Concentrations of Detected Pesticides in Wells Located in Highly Sensitive Areas (Well Network Sampling). Annual Update 2013, PDF.

2013

Study GW10a. Dias, J. 2013. Results for Study GW10A: Ground Water Protection List Monitoring for Azoxystrobin, Chlorothalonil, Dichloran, and Iprodione, PDF
Report 247 Kelley, K. 2013. Sampling Urban Waters in Sacramento County 2007, PDF.

2012

Study GW09b. Bergin, R., and C. Nordmark. 2012. Ground Water Protection List Monitoring for Metolachlor and Alachlor, PDF.
Study GW10b. Aguirre, K. and M. Clayton. 2012. Results for Study GW10B: Ground Water Protection List Monitoring for Oryzalin, PDF.
Report 255. Ensminger M. 2012. Surface Water Monitoring for Rainy Season Use Herbicides in 2009, California, USA, PDF.
Report 252 & 262. Starner K., 2012. Availability of the Department of Pesticide Regulation Surface Water Monitoring Results, 2008-2010, PDF.

2011

Study GW08. Dias, J. 2011. Ground Water Protection List Monitoring for Tebuthiuron, PDF.
Report 264. Ensminger M. and K. Kelley. 2011. Monitoring Urban Pesticide Runoff in Northern California, 2009 - 2010, PDF.
Report 263. Yuzhou Luo. 2011. Review and Evaluation of Pesticide Modeling Approaches in Rice Paddies, PDF. (Updated Sept. 6, 2011).
Report 249. Ensminger M. and K. Kelley. 2011. Monitoring Urban Pesticide Runoff in California 2008 - 2009, PDF.
Report 248. Starner, K. 2011. Pesticides in Surface Water from Agricultural Regions of California 2007 - 2008. Map
Report 238. Starner, K., F. Spurlock, K. Kelley and K. S. Goh. 2011. Pesticides in Surface Water from Agricultural Regions of California 2006-2007, PDF.
Report 232/239. Kelley, K. Monitoring Pesticides in the Sacramento and San Joaquin Rivers 2005- 2007, PDF.

2010

Study 180. Da Silva, A., and J. Troiano. 2010. Assessing the Runoff Potential of Diuron Following Application to Irrigation Canal Access Roads in Fresno County, PDF.
Study Memo 228. Garretson, C. 2010. Study 228 - Preliminary Summary of Results for Well Sampling from 1999 through 2010, PDF.
Report WIR2009. Ground Water Protection Unit. 2010. 2009 Update of the Well Inventory Database, PDF.

2009

Study GW09a. Bergin, R., and C. Nordmark. 2009. Ground Water Monitoring for Imidacloprid and Four Degradates in High Use Areas in California, PDF.
Study Memo 228. Garretson, C. 2010. Study 228 - Preliminary Summary of Results for Well Sampling from 1999 through 2009, PDF.
Report 243. Ensminger M., R. Bergin, and F. Spurlock. 2009. Pesticide Concentrations in Water and Sediment and Associated Invertebrate Toxicity in Del Puerto and Orestimba Creeks, California, PDF. Quality Assurance Project Plan QAPP, PDF.
EH 09- 03. Troiano, J. Documentation of References for Terrestrial Field Dissipation (TFD) Half-life and Organic Carbon Normalized Soil Adsorption Values (Koc) for Known Ground Water Pesticide Contaminants in California: Values for Use in Probabilistic Modeling, PDF.

2008

Study 221c. Dias, J., and A. DaSilva. 2008. Preliminary Results For Study 221: Effect of Chemigation Injection Speed on the Efficacy and Leaching of the Pre-Emergence Herbicides Simazine and Diuron, PDF.
Study GW06. Nordmark, C. 2008. Summary of Results For Fiscal Year 2005-2006 Ground Water Protection List Monitoring for Aldicarb, PDF.
Study GW05. Nordmark, C. 2008. Summary of Results For Fiscal Year 2005-2006 Ground Water Protection List Monitoring for S-ethyl dipropylthiocarbamate (EPTC), PDF.
Study 226. Nordmark, C., and J. Troiano. 2008. Detection of Atrazine, Simazine, and Their Breakdown Products in Public Water Supply Wells, PDF.
Study GW07. 2008. Fossen, M., and C. Nordmark. Summary of Results for Fiscal Year 2006/07 Ground Water Protection List Monitoring for Napropamide and Oryzalin, PDF.
Study Memo 228. Garretson, C. 2008. Study 228 - Preliminary Summary Of Results For Well Sampling From 1999 Through 2008, PDF.
EH 08-05. Singhasemanon, N., E. Pyatt, and J. Bacey. Monitoring for Indicators of Antifouling Paint Pollution in California Marinas, PDF. Appendices, PDF.
EH 08-02. Bacey, J., T. Barry. A Comparison Study of the Proper Use of Hester-Dendy Sampler to Achieve Maximum Diversity and Population Size of Benthic Macroinvertebrates Sacramento Valley, California, PDF.
Study Memo 242 . Gill, S. 2008. Results for Study 242: Vegetated Ditches as a Management Practice for Reducing Offsite Movement of Lambda Cyhalothrin in Irrigated Alfalfa, PDF. Protocol 242, PDF.

2007

Study 221b. DaSilva, A. 2007. Demonstration Study on Chemigation of Simazine and Diuron on Citrus Orchard in Tulare County, PDF.
Study Memo 234 . Bacey, N., 2007. Study 234 - The Effectiveness of a Constructed Wetland at Reducing Organophosphate Pesticides in Irrigation Runoff, PDF. Protocol 234, PDF.
Study Memo 231 . Kelley, K. 2007. Results for Study 231: Effect of Polyacrylamide Calcium in Irrigation Water on Chlorpyrifos Movement from an Agricultural Field, PDF. Protocol 231, PDF.
Summary Memo. Kim, D. 2007. Monitoring Results of Imidacloprid Application for Glassy- Winged Sharpshooter Control in a Residential Area of Santa Clara County, PDF.

2006

Study 235 . Gill, S. 2006. Results for Study 235: Constructed Vegetated Ditches as a Management Practice in Irrigated Alfalfa, PDF. Study 235 Maps, Graphs, Results Tables, PDF. Protocol 235, PDF.
. Bacey, J. Development and Selection of Bioassessment Reference Sites in the San Joaquin alley Using Benthic Macroinvertebrate Data, PDF.
. Bacey, J., Frank Spurlock. Identifying Correlations Between Macroinvertebrate Communities and Pesticides and Other Environmental Variables of Agricultural Runoff, PDF.

2005

Study 221a. Basinal, L. and T. Jacobsen, A. DaSilva, J. Troiano, P. Reising, D. Laird, D. Stubbs, A. Barefoot. 2005. Contract 02-0144C. Demonstration of Effectiveness of Chemigation of Pre-emergence Herbicides Applied through Low-Volume Irrigation Systems, PDF.
Study Memo 227. Guo, L., Kelley, K., Gill, S. and Sava, R. 2005. A Partition of Pesticide Loads in Major Sub-Basins in the Sacramento River Watershed-Preliminary Results of Study 227, PDF. Protocol 227, PDF.
EH 05-05. Troiano, J., C. Nordmark, J. Dias, and L. Quagliaroli. Report on the California Department of Pesticide Regulation Chemigation Focused Activity and Survey of County Chemigation Activities, PDF.
Report. Levine, J., D. Kim, K. S. Goh, C. Ganapathy, J. Hsu, H. Feng, and P. Lee. Surface and Ground Water Monitoring of Pesticides Used in the Red Imported Fire Ant Control Program, PDF. Appendices, PDF.
EH 05-02. Levine, J., D. Kim, K. S. Goh, C. Ganapathy, J. Hsu, H. Feng, and P. Lee. Surface and Ground Water Monitoring of Pesticides Used in the Red Imported Fire Ant Control Program, PDF. Appendices, PDF.
EH 05-01. Bacey, J. Biological Assessment of Urban and Agricultural Streams in the California Central Valley (Fall 2002 through Spring 2004), PDF.

2004

EH 04-03. Prichard, T., L. Schwankl and M. Canevari. 2004. DPR Contract 02-0171C. Develop Holding Pond Mitigation Practices to Prevent Herbicide Movement to Ground Water, PDF.
Study GW04. Nordmark, C. 2004. Summary of Results For Fiscal Year 2003/04 Ground Water Protection List Monitoring for Imidacloprid and Three of its Degradates, PDF.
. Kelley, K. and Starner, K. 2004. Preliminary Results of Study #219: Monitoring Surface Waters and Sediments of the Salinas and San Joaquin River Basins for Organophosphate and Pyrethroid Pesticides, PDF. Protocol 219, PDF.
Summary Memo. Segawa, R, J. Walters, S. Fan. 2004. Preliminary Monitoring Results of Imidacloprid and Cyfluthrin Applications for Glassy-Winged Sharpshooter Control in a Residential Area of Solano County, PDF.
Summary Memo. Segawa, R, J. Walters, P. Wofford. 2004. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in a Residential Area of Solano County, PDF.
EH 04-01. Bacey, J., K. Starner, and F. Spurlock. 2004 The Occurrence and Concentration of Esfenvalerate and Permethrin in Water and Sediment in the Sacramento and San Joaquin Watersheds, PDF.

Appendix I, PDF
Appendix II, PDF
Appendix III, PDF
Appendix IV, PDF
Appendix V, PDF
Protocol 210, PDF.
Study Memo 215. Gill, S. and F. Spurlock. 2004. Preliminary Results for Study 215: Monitoring Esfenvalerate Runoff from a Dormant Spray Application in a Glenn County Prune Orchard, PDF. Protocol 215, PDF.

2003

Study GW03. Nordmark, C. 2003. Summary of Results For Fiscal Year 2002/2003 Ground Water Protection List Monitoring for Hexazinone and Three of its Degradates, PDF.
EH 03-06. Spurlock, F. 2003. Probabilistic Estimation of Dissolved Phase Pyrethroid Concentrations from Whole Water Analytical Data, PDF.
EH 03-05. Troiano, J. and J. Marade. Update of Ground Water Protection Areas, PDF.
EH 03-04. Guo, L. 2003. Semi-Empirical Prediction of Pesticide Loading in the Sacramento and San Joaquin Rivers During Winter Storm Seasons, PDF. Figures, PDF.
Study Memo 214. Bacey, J., K. Starner, and F. Spurlock. 2003. Preliminary Results of Study #214: Monitoring the Occurrence and Concentration of Esfenvalerate and Permethrin Pyrethroids, PDF. Protocol 214, PDF.
Study Memo 202. Guo, L. and K. Starner. 2003. Monitoring Results of Oryzalin in San Joaquin River Basin During 2000-2001 Winter Storm Season (Study #202), PDF. Protocol 202, PDF.
EH 03-03. Starner, K., F. Spurlock, S. Gill , K. Goh , H. Feng , J. Hsu, P. Lee , D. Tran , and J. White. 2003. Monitoring Surface Waters of the San Joaquin River Basin for Selected Summer-Use Pesticides, 2002, PDF.

2002

Study GW01. Weaver, D., and C. Nordmark. 2002. Summary of Results for Fiscal Year 2000/01 Ground Water Protection List Monitoring for Alachlor, Metolachlor, and Two Degradates of Each, PDF.
Study GW02. Weaver, D., and C. Nordmark. 2002. Summary of Results For Fiscal Year 2000/2001 Ground Water Protection List Monitoring for Fenamiphos, Fenamiphos Sulfoxide, and Fenamiphos Sulfone, PDF.
EH 02-08. Ando, C., L. Li, J. Walters, C. Gana, R. Segawa, R. Sava, T. Barry, P. Lee, S. Tran, J. White, J. Hsu, and K. Goh. 2002. Residues of Forestry Herbicides in Plants of Interest to Native Americans in California National Forests, PDF.
EH 02-07. Schuette, J., D. Weaver, J. Troiano, and J. Dias. 2002 Update of the Well Inventory Database, PDF.
Summary Memo. Segawa, R. and J. Walters. 2002. Preliminary Monitoring Results of Imidacloprid Applications for Glassy-winged Sharpshooter Control in Residential Areas of Santa Clara County, PDF.
Summary Memo. Segawa, R. J. Walters, S. Fan, S. Matsumoto, and H. Casjens. 2002. Preliminary Monitoring Results of Imidacloprid and Carbaryl Applications for Glassy-winged Sharpshooter Control in Residential Areas of Imperial County, PDF.
Study Memo 205. Bacey, J. 2002. Preliminary Results of Study 205: Monitoring the Occurrence and Typical Concentration of Esfenvalerate and Permethrin Pyrethroids in the Sacramento and San Joaquin Watersheds, Winter 2002, PDF. Protocol 205, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, August 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Results of Pesticide Analysis of Ground Water Monitoring for the Red Imported ire Ant Project in Orange and Riverside Counties, PDF.
Summary Memo. Segawa, R., J. Walters, and S. Fan. 2002. Preliminary Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Santa Clara County, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, June 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, May 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, April 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, March 2002, PDF.
EH 02-05. Wofford, P., K. Goh, D. Jones, H. Casjens, H. Feng, J. Hsu, D. Tran, J. Medina, and J. White. 2003. Forest Herbicide Residues in Surface Water and Plants in the Tribal Territory of the Lower Klamath River Watershed of California, PDF.
EH 02-03. Spurlock, F. 2002. Procedures for Estimating Volatile Organic Compound Emissions from Pesticides, PDF.
Study Memo 186a. Guo, L. 2002. Evaluation of Environmental Models for Assessing Surface Water Contamination by Pesticides, PDF. Protocol 186a, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, February 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, January 2002, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, December 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, November 2001, PDF.
Study Memo 200. Bacey, J. 2002. Preliminary Results of Pesticide Residue Analysis Acute and Chronic Toxicity Testing of Surface Water Monitored in the San Joaquin River Watershed, Winter 2000-2001, PDF. Protocol 200, PDF.
Study Memo 199. Gill, S. 2002. Preliminary Results of Pesticide Residue Analysis, and Acute and chronic Toxicity Testing of Surface Water Monitored in the Sacramento River Watershed, Winter 2000-2001. (Study number 199), PDF. Protocol 199, PDF.

2001

EH 01-04. Schuette, J. 2001 Status Report Pesticide Contamination Prevention Act, PDF.
Summary Memo, PDF. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, September 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, August 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, July 2001, PDF.
Summary Memo. Walters, J., H. Casjens, and K. Goh. 2001. Preliminary Monitoring Results of Imidacloprid and Cyfluthrin Applications for Glassy-Winged Sharpshooter Control in Commercial Areas of Butte County, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, June 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Revised Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, April 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, May 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, March 2001, PDF.
Summary Memo. Walters, J. and K. Goh. 2001. Preliminary Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Sacramento County, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, February 2001, PDF.
Summary Memo. Walters, J., P. Wofford, H. Casjens, and K. Goh. 2001. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Santa Clara County, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, January 2001, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring For the Red Imported Fire Ant Project in Orange County, December 2000, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, November 2000, PDF.
Summary Memo. Walters, J. and K. Goh. 2000. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Butte County, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Results of Pesticide Analysis of Rain Runoff Monitoring for the Red Imported Fire Ant Project in Orange County, October 2000, PDF.
Summary Memo. Goh, K. and J. Walters. 2000. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Contra Costa County, PDF.
EH 01-01. Executive Summary, PDF. Spurlock, F.2002. Analysis of Diazinon and Chlorpyrifos Surface Water Monitoring and Acute Toxicity Bioassay Data, 1991- 2001, PDF.

2000

EH 00-13. Kollman, W. 1999 Status Report Pesticide Contamination Prevention Act, PDF.
Summary Memo. Walters, J., D. Kim, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, September 2000, PDF.
EH 00-12. Jones, D., N. Singhasemanon, D. Tran, J. Hsu, J. Hernandez, and H. Feng. 2000. Surface Water Monitoring for the Pesticides in the Hupa and Karuk Territories, PDF.
EH 00-11. Newhart, K. 2000. Thiobencarb Use in Colusa and Glenn Counties from 1994-2000, PDF.
Summary Memo. Walters, J., R. Sava, N. Bacey, and K. Goh. 2000. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Sacramento County, PDF.
Summary Memo. Walters, J., R. Sava, N. Bacey, and K. Goh. 2000. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Management in Residential Areas of Fresno County, PDF.
Summary Memo. Walters, J., R. Sava, N. Bacey, and K. Goh. 2000. Preliminary Monitoring Results of Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Tulare County, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, August 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, July 2000, PDF.
Study Memo 185. Jones, D. 2000. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the San Joaquin River Watershed, Winter 1999-2000, PDF. Protocol 185, PDF.
EH 00-10. Johnson, B. 2001. Evaluating the Effectiveness of Methyl Bromide Soil Buffer Zones in Maintaining Acute Exposures Below a Reference Air Concentration, PDF. Updated October 2005 with an errata.
EH 00-09. Ross, L. J., R. Stein, J. Hsu, J. White, and K. Hefner. 2000. Insecticide Concentrations in the San Joaquin River Watershed, California, PDF.
EH 00-08. Marade, J., and J. Troiano. List of Ground Water Protection Areas Identified by the CALVUL Model, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, June 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, May 2000, PDF.
Study Memo 184. Nordmark, C. 2000. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the Sacramento River Watershed, Winter 1999-2000, PDF. Protocol 184, PDF.
EH 00-07. Marade, S. J. and J. Troiano. 2000. Sections of Land Requiring Special Assignment as Runoff or Leaching Ground Water Protection Areas, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, April 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, March 2000, PDF.
EH 00-06. Teso, R. 1996. Edited by Spurlock, F., J. Troiano, J. Marade, and J. Weaver. 2000. Soils Vulnerable to Pesticide Leaching, PDF.
EH 00-05. Troiano, J., F. Spurlock, and J. Marade. 2000. Update of the California Vulnerability Soil Analysis for Movement of Pesticides to Ground Water: October 14, 1999.

Appendix A, PDF
Appendix B, PDF
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Results of Pesticide Analysis and Acute Toxicity Testing of Rain Runoff Monitoring For the Red Imported Fire Ant Project in Orange County, January 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, February 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, January 2000, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, December 1999, PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, October 1999, PDF.
EH 00-02. Spurlock, F. 2000. Procedures for Developing a Depth-to-Ground Water Database, PDF.
EH 00-01. Spurlock, F. 2000. Effect of Irrigation Scheduling on Movement of Pesticides to Ground Water in Coarse Soils, PDF.

1999

GW99. Weaver, D., and J. Marade. 1999. Summary of Results For FY 1998-99 Ground Water Protection List Monitoring (napropamide and oryzalin), PDF.
Summary Memo. Walters, J., D. Kim, R. Sava, and K. Goh. Preliminary results of Pesticide Analysis and Acute Toxicity Testing of Monthly Surface Water Monitoring for the Red Imported Fire Ant Project in Orange County, September 1999, PDF.
Summary Memo. Kim, D., J. Walters, and R. Sava. 1999. Preliminary Results of Pesticide Analysis and Acute Toxicity Testing of Surface Water Monitored for the Red Imported Fire Ant Project in Orange County, May and June, 1999, PDF.
Summary Memo. Kim, D., J. Walters, and R. Sava. 1999. Preliminary Background Results of Organophosphate Analysis and Acute Toxicity Testing of Surface Water Monitored for the Red Imported Fire Ant Project in Orange County, March and April, 1999, PDF.
EH 99-04. Kollman, W. 1999. 1998 Status Report Pesticide Contamination Prevention Act, PDF.
EH 99-03. Johnson, B., T. Barry, and P. Wofford. 1999. Workbook for Gaussian Modeling Analysis of Air Concentration Measurements, PDF.
Study Memo 179. Ganapathy, C. 1999. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the San Joaquin River Watershed, Winter 1998-99, PDF. Protocol 179, PDF.
Study Memo 178. Nordmark, C. 1999. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the Sacramento River Watershed, Winter 1998-99, PDF. Protocol 178, PDF.
EH 99-01. Ross, L. J., R. Stein, J. Hsu, J. White, and K. Hefner. 1999. Distribution and Mass Loading of Insecticides in the San Joaquin River, California, Spring 1991 and 1992, PDF.
Study Memo 167. Ganapathy, C. 1999. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the San Joaquin River Watershed, Winter 1997-98, PDF. Protocol 167, PDF.

1998

GW98. Weaver, D., and J. Marade. 1998. Summary of Results For FY 1997-98 Ground Water Protection List Monitoring (hexazinone), PDF.
EH 98-06. Johnson, B. R. 1998. Analysis of Weather Patterns in Lompoc, California, PDF.
EH 98-05.Executive Summary, PDF. Singhasemanon, N., C. Nordmark, and T. Barry. 1998. Diazinon and Chlorpyrifos in the Central Contra Costa Sanitary District Sewer System, Summer 1996, PDF.
EH 98-04B. Bartkowiak, D., M. Pepple, J. Troiano, and D. Weaver. 1998. Sampling for Pesticide Residues in California Well Water. Correction to the 1997 Update of the Well Inventory Database, PDF.
EH 98-04. Bartkowiak, D., M. Pepple, J. Troiano, and D. Weaver. 1998. Sampling for Pesticide Residues in California Well Water, 1997 Update of the Well Inventory Database, PDF. Executive Summary, PDF.
EH 98-03. Bennett, K. P., N. Singhasemannon, N. Miller, and R. Gallavan. 1998. Rice Pesticides in the Sacramento Valley, 1995, PDF. Executive Summary, PDF.
Study Memo 166. Nordmark, C. 1998. Preliminary Results of Acute and Chronic Toxicity Testing of Surface Water Monitored in the Sacramento River Watershed, Winter 1997-98, PDF. Protocol 166, PDF.
EH 98-02. Bennett, K. P., C. E. Nordmark, J. Schuette, H. Feng, J. Hernandez, and P. Lee. 1998. Occurrence of Aquatic Toxicity and Dormant Spray Pesticide Detections in the San Joaquin River Watershed, Winter 1996-97, PDF. Executive Summary, PDF.
EH 98-01. Nordmark, C. E., K. P. Bennett, H. Feng, J. Hernandez, and P. Lee. 1998. Occurrence of Aquatic Toxicity and Dormant-Spray Pesticide Detections in the Sacramento River Watershed, Winter 1996-97, PDF. Executive Summary, PDF.

1997

GW96/97. Memorandum to K. Goh. 1997. Summary of Results For FY 1996-97 Ground Water Protection List Monitoring (norflurazon), PDF.
EH 97-06. Ganapathy C., C. Nordmark, K. Bennett, and A. Bradley. 1997. Temporal Distribution of Insecticide Residues in Four California Rivers, PDF. Executive Summary, PDF.
EH 97-03. Ross, L. J., K. D. Bennett, K. D. Kim, K. Hefner, and J. Hernandez. 1997. Reducing Dormant Spray Runoff from Orchards, PDF. Protocol 141, Executive Summary, PDF.
Study Memo Segawa, R., and P. Wofford. 1997. Monitoring Methyl Bromide Field Fumigations During Winter Months, PDF. Protocol 150, Protocol 163.
EH 97-02. Spurlock, F., C. Garretson, and J. Troiano. 1997. Runoff from citrus orchard middles: Comparison of three herbicides and effect of organosilicon surfactant, PDF. Protocol 149.
EH 97-01. Segawa, R., A. Bradley, P. Lee, D. Tran, J. White, J. Hsu, and K. Goh. 1997. Residues of Forestry Herbicides in Plants of Interest to Native Americans: Phase One - Development of Methodologies and Pilot Sampling . Protocol 159, PDF.

1996

GW95. Weaver, D. and J. Marade. 1996. Summary Of Results For FY 1995-96 Ground Water Protection List Monitoring (carbofuran, metalaxyl, propyzamide, oxydemeton-methy), PDF.
EH 96-05. Davidson, N. A. 1997. SRP Draft Version: Evaluation of S, S, S-Tributyl, PDF.
EH 96-03. Powell, S., R. Neal, and J. Leyva. 1996. Runoff and leaching of simazine and diuron used on highway rights-of-way, PDF. Executive Summary.
Study Memo 137. Rodriguez, B., Singhasemanon, N., Barry, T. and Troiano, J. 1996. Summary of Results for a Study to Monitor Diuron in a Tailwater Recovery System in Yolo County, California, PDF. Protocol 137.
EH 96-02. Ross, L. J., R. Stein, J. Hsu, J. White, and K. Hefner. 1996. Distribution and Mass Loading of Insecticides in the San Joaquin River, California, PDF.
EH 96-01. Kelley, K and N. R. Reed. 1996. Pesticides for Evaluation as Candidate Toxic Air Contaminants, PDF.

1995

GW94. Weaver, D. and J. Marade. 1995. Summary Of Results For FY 1994-95 Ground Water Protection List Monitoring (azinphos-methyl, diazinon, and fonofos), PDF.
EH 95-13. Kim, D. 1995. Toxicity Monitoring in Rice Recirculating Systems, PDF.
EH 95-11. Wofford, P. L., and P. Lee. 1995. Results of Monitoring for the Herbicide MCPA in Surface Water of the Sacramento River Basin, PDF.Executive Summary.
Study Memo 134.Kim, D. 1995. Toxicity Monitoring in Rice Recirculating Systems, PDF.
Study Memo Leyva, J. 1995. Removal of Malathion Residues from Lettuce for Medfly Eradication Projects, PDF.
Study Memo 133. Bennett, K. P. 1995. DBCP and Bentazon Monitoring Results - Solano County, PDF.
EH 95-06. Bartkowiak, D., K. Newhart, M. Pepple, J. Troiano, and D. Weaver. 1995. Sampling for Pesticide Residues in California Well Water 1995 Update of the Well Inventory Database, PDF. Executive Summary.
EH 95-05. Troiano, J. 1995. Farm Management Practices that Minimize Pesticide Movement to Groundwater, PDF.
EH 95-04B. Kollman, W and Segawa, R. 1995. Interim Report of the Pesticide Chemistry Database 1995, PDF.
EH 95-04. Kollman, W. and R. Segawa. 1995. Interim Report of the Pesticide Chemistry Database, PDF.
EH 95-03. Ross, L. J., B. Johnson, K. D. Kim, and J. Hsu. 1995. Prediction of methyl bromide flux from area sources using the ISCST model, PDF.
EH 95-02. Ando, C., R. Gallavan, P. Wofford, A. Bradley, D. Kim, P. Lee, and J. Troiano. 1996. Environmental Monitoring Results of the Mediterranean Fruit Fly Eradication Program, Riverside County 1994, PDF.
EH 95-01. Rodriguez, B. 1995. Monitoring Diazinon Ground Application Under Controlled Conditions in Sacramento, California, 1993, PDF.

1994

GW93. Weaver, D. and J. Marade. 1994. Summary Of Results For FY 1993-94 Ground Water Protection List Monitoring (2,4-D, cyanazine, fenamiphos, hexazinone, and metribuzin), PDF.
EH 94-05 . Biermann, H., J. Fleck, S. Powell, T. Younglove, and R. Gallavan. 1994. Evaluation of Experimental Procedures for the Determination of Spray Characteristics of Orchard Sprayers, PDF.
EH 94-04. Sava, R. J. 1994. Guide to Sampling Air, Water, Soil, and Vegetation for Chemical Analysis, PDF.
Study Memo Leyva, J. 1994. Dissipation of Amitrole on California Rights-of-Way, PDF.
EH 94-01. Simmons, S.E. and J. J. Leyva. 1994. Presence of Soil-Applied Herbicides in Three Rights-of-Way Infiltration Basins in San Joaquin County, California, PDF. Protocol 115, PDF. Executive Summary.

1993

GW92. Weaver, D. and J. Marade. 1993. Summary Of Results For FY 1992-93 Ground Water Protection List Monitoring (2,4-D, diazinon, molinate, cyanazine, metribuzin and hexazinone), PDF.
EH 93-06. Miller Maes, C., M. Pepple, J. Troiano, and D. Weaver. 1993. Sampling for pesticide residues in California well water, 1993 update Well Inventory Data Base, PDF.Executive Summary, PDF.
EH 93-02. Miller Maes, C., M. Pepple, J. Troiano, D. Weaver, and W. Kimaru. 1993. Sampling for pesticide residues in California well water, 1992 Well Inventory Data Base. Executive Summary, PDF.
EH 93-01. Ando, C., J. Leyva, and C. Gana. 1993. Monitoring Diazinon in the Mediterranean Fruit Fly Eradication Soil Treatment Program, Los Angeles County, California, 1992, PDF.Executive Summary, PDF.

1992

GW91. Weaver, D. and J. Marade. 1992. Summary Of Results For FY 1991-92 Ground Water Protection List Monitoring (butylate, cycloate, EPTC and MITC), PDF.
EH 92-09. Troiano, J., B. Johnson, S. Powell, and S. Schoenig. 1992. Profiling Areas Vulnerable to Ground Water Contamination by Pesticides in California, PDF.
EH 92-08. Lee, M. and N. Gorder. 1992. Information on Rice Pesticides Submitted to the Central Valley Regional Water Quality Control Board, PDF.
EH 92-07. Johnson, B., C. Collison, J. Marade, and N. Miller. 1992. Appendix to Report EH 92-06: A Test of Procedures for Determining the Ground Water Protection List, PDF.
EH 92-06. Johnson, B., C. Collison, S. J. Marade, and N. Miller. 1992. A Test of Procedures for Determining the Ground Water Protection List, PDF.
EH 92-05. Breuer, R. 1992. Evaluation of a Rice Herbicide Transport Model, PDF.
EH 92-04. Pino, J., R. L. Rasmussen, and J. White. 1992. Estimation of the Contribution from Offsite Aerial Deposition to Methyl Parathion Residues in Agricultural Drains in the Sacramento Valley, PDF.
EH 92-03. Kollman, W. S., P. L. Wofford, and J. White. 1992. Dissipation of Methyl Parathion from Flooded Commercial Rice Fields, PDF.

1991

EH 91-10. Hall, J. O. 1991. Limiting Root Zone Leaching to Reduce GroundWater Contamination in Sandy Soils, PDF.
EH 91-08. Segawa, R., S. J. Marade, N. K. Miller, and P. Y. Lee. 1991. Monitoring of the Cantara Metam-sodium Spill, PDF.
EH 91-07. Neal, R., R. Teso, T. Younglove, and D. L. Sheeks III. 1991. Seasonal Rainfall Effects on Pesticide Leaching in Riverside, California, PDF.
EH 91-06. Johnson, B. 1991. Setting Revised Specific Numerical Values, PDF.
EH 91-05. Fleck, J., L. Ross, D. Tran, J. Melvin, and B. Fong. 1991. Off-target Movement of Endosulfan from Artichoke Fields in Monterey County, PDF.
EH 91-02. Turner, B., S. Powell, D. Gonzales, and C. Ando. 1991. The Influence of Dormant Spray Oil on Diazinon Deposition and Transfer to Non-target Vegetation, PDF.
EH 91-01. Carr, N. V., R. T. Segawa, S. J. Richman, and V. Quan. 1991. Monitoring of the 1990 Gypsy Moth Eradication Project, PDF.
PM 91-1. Braun, A. and L. S. Hawkins. 1991. Presence of Bromacil, Diuron, and Simazine in Surface Water Runoff from Agricultural Fields and Non-crop Sites in Tulare, California, PDF.

1990

EH 90-10. Carr, N. V., R. Gallavan, and D. Tran. 1990. Monitoring of Methyl Eugenol and DDVP in Fruit Near Fruit Fly Traps During a Pest Trapping Program, PDF.
EH 90-09. Troiano, J., C. Garretson, C. Krauter, and J. Brownell. 1990. Appendix to Report EH 90-07 - Atrazine Leaching and its Relation to Percolation of Water as Influenced by Three Rates and Four Methods of Irrigation Water Application, PDF.
EH 90-08. Seiber, J. N. and M. McChesney. 1990. Uptake of Aldicarb and its Toxic Degradation Products in Watermelons, PDF.
EH 90-07. Troiano, J., C. Garretson, C. Krauter, and J. Brownell. 1990. Atrazine and its relation to percolation of water as influenced by three rates and four methods of irrigation water application, PDF.
EH 90-06. Marade, J., J. Troiano, S. Bissel, E. Gramson, and M. del Valle. 1990. Comparison of Sampling Methods for Determination of Pesticide Residue on Leaf Surfaces, PDF.
EH 90-05. Teso, R.R., R. E. Gallavan, D. L. Sheeks III, R. H. Neal, T. Mischke, and M. R. Peterson. 1990. Tension Lysimeters: Monitoring of Pesticides in Soil Water, PDF.
EH 90-04. Nicosia, S., N. Carr, D.A. Gonzales, and M. K. Orr. 1990. Off-field Movement and Dissipation of Soil-Incorporated Carbofuran from Three Commercial Rice Fields, and Potential Discharge in Agricultural Runoff Water, PDF.Executive Summary, PDF.
EH 90-03. Troiano, J. and J. Sitts. 1990. Survey for Alachlor, Atrazine, Metolachlor, and Nitrate Residues in Well Water in Merced County and Their Relation to Soil and Well Characteristics, PDF.
EH 90-02. Weaver, D. J., M. V. McKenry, and S. J. Marade. 1990. Determination of Leaching in Soil of Nematicides Applied Through Drip Irrigation, PDF.

1989

EH 89-13. Johnson, B. 1989. Setting revised specific numerical values.
EH 89-12. Sanders, J., M. Croce, J. Marade, and D. Weaver. 1989. A cooperative study of the environmental hazards assessment program and the San Joaquin County agricultural commissioner to determine the usefulness of grape plants as biomonitors for 2,4-D, PDF.
EH 89-11. Turner, B., and et al. 1989. A field study of fog and dry deposition as sources of inadvertent pesticide residues on row crops, PDF.
EH 89-10. Sitts, J. 1989. Survey for bentazon in well water of 15 California counties, December 1988 - May 1989, PDF.
EH 89-09. Turner, B., N. Miller, D. Tran, and S. Powell. 1989. The environmental monitoring of methyl eugenol, naled and dichlorvos during a pest trapping and eradication program, PDF.
EH 89-08. Biermann, H. W. 1989. Important factors that influence the determination of detection limits, PDF.
EH 89-07. Gonzales, D., M. Bisbiglia, D. Denton, and J. Harrington. 1989. Monitoring study for tributyltin contamination in California lakes, 1987, PDF.
EH 89-06. Segawa, R. T. 1989. Monitoring the pesticide treatments of the Japanese beetle project - Sacramento County, California, 1983-1986 (data supplement), PDF.
EH 89-05. Segawa, R. T. and S. J. Powell. 1989. Monitoring the pesticide treatments of the Japanese beetle project - Sacramento County, California, 1983-1986 - Volume III: diazinon, PDF.
EH 89-04. Oudiz, D., R. Tomlin, and B. Fabre. 1989. Modifications and additions to the candidate toxic air contaminant list, PDF.
EH 89-03. Segawa, R. T. and S. J. Powell. 1989. Monitoring the pesticide treatments of the Japanese beetle project - Sacramento County, California, 1983-1986 - Volume II: isofenphos, PDF.
EH 89-02. Ross, L. J., S. Nicosia, K. L. Hefner, D.A. Gonzalez, and M. M. McChesney. 1989. Volatilization, off-site deposition, dissipation, and leaching of DCPA in the field, PDF.
EH 89-01. Marade, J., B. Bisbiglia, and V. Quon. 1989. Environmental monitoring of the 1987 gypsy moth eradication project in Los Angeles County, PDF.

1988

EH 88-12. Johnson, B. 1988. Setting revised specific numerical values, PDF.
EH 88-11. Biermann, H. W. 1989. Summary of analytical methods with the potential to detect pesticides in air, PDF.
EH 88-09. Crosby, D. G., M. Y. Li, J. N. Seiber, and W. L. Winterlin. 1988. Environmental monitoring of MCPA in relation to orchard contamination.
EH 88-08. Turner, B., M. Bisbiglia, N. Miller, K. Hefner, and N. Carr. 1988. Results of white garden snail environmental monitoring program spring and fall, 1987, PDF.
EH 88-06. Fleck, J. E., L. J. Ross, and K. Hefner. 1988. Endosulfan and chlorthal-dimethyl residues in soil and sediment of Monterey County, PDF.
EH 88-05. Oudiz, D. and A. K. Klein. 1988. Ethyl parathion as a toxic air contaminant, PDF.
EH 88-04. Collison, C. N., M. M. Bisbiglia, and N. Miller. 1988. Environmental monitoring of the 1987 apple maggot project, PDF.
EH 88-02. Troiano, J. and C. Garretson. 1988. Soil distribution of simazine, diazinon and bromide in sandy soils after exposure to 1985-86 winter rain in Fresno County, PDF. Protocol 51, PDF.

1987

EH 87-09. Musselman, R. C. and P.M. McCool. 1987. Air pollution crop loss manual, PDF.
EH 87-07. Gonzales, D.A., D. Supkoff, J. Fleck, S. Margetich, and J. Echelberry. 1987. Environmental monitoring of the 1986 apple maggot eradication project in Humboldt and Del Norte Counties, PDF.
EH 87-06. Troiano, J. 1987. Measurement of possible cross-contamination of soil samples during soil coring with the split-barrel or bucket auger methods, PDF.
EH 87-04. Langley, C. 1987. Plan for the implementation of AB 1807 and 3219, PDF.
EH 87-03. Supkoff, D. M., D. Opgenorth, C. Lai, R. Segawa, and D. Kohler. 1987. Monitoring for genetically engineered pseudomonas species in Monterey County, PDF.
EH 87-02. Gonzales, D., L. J. Ross, R. Segawa, and B. Fong. 1987. Variation of endosulfan residues in water and sediment taken from the Moss Landing Drainage of Monterey County, PDF.

1986

EH 86-08. Brunetti, K. and T. Mischke. 1986. An evaluation of the enzytec pesticide detector ticket for usefulness in field monitoring of pesticides and in the regulatory programs of the CDFA.
EH 86-07 Sava, R. J. 1986. Guide to chemical sampling air, water, soil and vegetation for chemical analysis, PDF.(Revised as EH 94-04, PDF.
EH 86-06. Gonzales, D. and D. J. Weaver. 1986. Monitoring concentration of aldicarb and its breakdown products in irrigation water runoff and soil from agricultural fields in Kern County, 1985, PDF.
EH 86-05. Welling, R. and S. Nicosia. 1986. Report on monitoring for alachlor in well water: I. Sampling in the Sacramento Valley, PDF.
EH 86-02. Wilkerson, M. R. and K. D. Kim. 1986. The pesticide contamination prevention act: setting specific numerical values, PDF.

1985

EH 85-08. Sava, R. J. 1985. Survey of Yolo County migrant workers and rural school water wells for the presence of agricultural chemicals, PDF.
EH 85-06. Mischke, T., K. Brunetti, V. Acosta, D. Weaver, and M. Brown. 1985. Agricultural sources of DDT residues in California's environment, PDF. Reprinted July 1996, PDF.
EH 85-05. Franz, J. R., D. Weaver, and R. Segawa. 1985. Monitoring of 1984 gypsy moth eradication ground spray program in Alameda and San Diego Counties, PDF.
EH 85-04. Welling, R., J. Troiano, R. Maykoski, and G. Loughner. 1985. Proceedings of the agricultural impacts on ground water: A conference - August 11-13, 1986 - effects of agronomic and geologic factors on pesticide movement in soil: Comparison of two ground water basins in California, PDF.
EH 85-03. Duncan, D. and R. J. Oshima. 1985. Ethylene dibromide in two soil profiles, PDF.
EH 85-02. Wilkerson, M. R., R. T. Oshima, T. Younglove, H. Margolis, and S. J. Marade. 1985. Pesticide movement to ground water volume III: use of agronomic variables to predict ground water contaminations in the San Joaquin Valley, California, PDF.
EH 85-01. Cardozo, C. 1985. Agricultural pesticide residues in California well water: Development and summary of a Well Inventory Data Base for non- point sources, PDF.

1984

EH 84-03. Zalkin, F., M. Wilkerson, and R. J. Oshima. 1984. Pesticide movement to ground water volume II: Pesticide contamination in the soil profile at DBCP, EDB, simazine, and carbofuran application sites, PDF.
EH 84-02. Segawa, R. T., L. A. Neher, and R. J. Oshima. 1984. Monitoring pesticide use in the Wilder Ranch State Park, Santa Cruz County, 1982, PDF.
EH 84-01. Ross, L. J., R. J. Sava, and R. J. Oshima. 1984. Environmental fate of selected rice herbicides (thiobencarb and molinate) under field conditions, PDF.

1983

EH 83-01. Weaver, D. J., R. J. Sava, J. Marade, and R. Oshima. 1983. Pesticide movement to ground water volume I: Survey of ground water basins for DBCP, EDB, simazine and carbofuran, PDF.

1982

EH 82-01. Oshima, R. J., L. A. Neher, T. M. Mischke, D. J. Weaver, and O. S. Liefson. 1982. A characterization of sequential aerial malathion application in the Santa Clara Valley of California, 1981, PDF.

1981

EH 81-01. Anonymous. 1981. Executive summary of 1980 DEF and butyl mercaptan monitoring study, PDF.

1980

EH 80-01B. Cheney, H. V., C. M. Walby, R. E. Shields, T. M. Mischke, and R. E. Gallavan. 1980. Impact of 2,4,5-T on Blodgett Forest. I. Description of an experimental aerial application of 2,4,5-T, PDF.
EH 80-01A. Cheney, H. V., C. M. Walby, and R. E. Shields. 1980.Impact of 2,4,5-T on Blodgett Forest. I. Description of an experimental aerial application of 2,4,5-T, PDF.

1978

EH 78-02. Cheney, H. V. 1978. Feasibility study on environmental monitoring of MCPA applications in Butte County, California - 1978, PDF.
EH 78-01. Cheney, H. V. 1978. Feasibility study on environmental monitoring of phenoxy herbicide applications in Humboldt County, California - 1978, PDF.