Active Ingredient: Imidacloprid
Human Health Risk Assessment and Mitigation
Documents and Activities

Risk Characterization Documents (RCDs) estimate the nature and likelihood of adverse health effects in humans who may be exposed to pesticides.

For document retrieval, please submit a request at our Public Records Portal (NextRequest)

• March 2024 - Draft Human Health Risk Characterization Document for Non-Agricultural and Residential Uses of Imidacloprid (PDF)
• March 2024 – Draft Human Exposure Assessment for Non-Agricultural and Residential Uses of Imidacloprid (PDF)
• February 2006 – Risk Characterization Document (Dietary and Drinking Water Exposure) (PDF)
• June 1993 – Risk Characterization Document (Section 18 Emergency Exemption for Use on Cotton) (PDF)

Other Documents

• April 2021 – Updated Risks from Human Exposure to Imidacloprid Residues in Well Water (PDF)
• April 2018 – Evaluation of the Potential Human Health Effects from Drinking Well Water Containing Imidacloprid (PDF)
• February 2017 – Summary of Japanese Beetle Eradication Program Monitoring for Carbaryl, Imidaloprid and Cyfluthrin in Sacramento County, 2015 (PDF)
• August 2016 – Study #307: Measurement of Airborne Drift of the Insecticide Imidacloprid as Applied by an Unmanned Aerial Vehicle
• July 2015 – Summary of Japanese Beetle Eradication Program Monitoring for Carbaryl, Imidacloprid and Cyfluthrin in Sacramento County, 2011 (Study # JB 258) (PDF)
• October 2012 – Results for the Monitoring of Imidacloprid and Cyfluthrin used in the Asian Citrus Psyllid Eradication Program in Imperial County (Study #258) (PDF)
• October 2012 – Results for the Monitoring of Imidacloprid and Cyfluthrin used in Asian Citrus Psyllid Eradication Program in San Diego County (Study #258) (PDF)
• March 2012 – Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in a Residential Area of San Luis Obispo County (PDF)
• March 2005 – Transferable Turf Residue following Imidacloprid Application (PDF)
• September 2004 – Preliminary Monitoring Results of Imidacloprid and Cyfluthrin Applications for Glassy Winged Sharpshooter Control in a Residential Area of Solano County (Study 197) (PDF)
• March 2004 – Summary of Results for Fiscal Year 2003/04 Groundwater Protection List Monitoring for Imidacloprid and Three of its Degradates
• February 2004 – Monitoring of Ground Applicators Applying Pesticides and Arbor Trellised Vineyards or T-type Cross Arm Trellised Vineyards (PDF)
• October 2002 – Preliminary Monitoring Results of Imidacloprid and Carbaryl Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Imperial County (PDF)
• July 2002 – Preliminary Monitoring Results of Imidacloprid Applications for Glassy-Winged Sharpshooter Control in Residential Areas of Santa Clara County (Study 197) (PDF)
• May 2001 – Preliminary Monitoring Results of Imidacloprid Application for Glassy-Winged Sharpshooter Control in Residential Areas of Sacramento County (Study 197) (PDF)
• September 2000 – Determination of Carbaryl and Imidacloprid on Dislodgeable Leaf Punch Samples (PDF)
• June 1993 – Confidor (Imidacloprid) Estimated Foliar Dislodgeable Residues (PDF)

• May 2024 - Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
  • Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
  • Presentation on Risk & Exposure Assessment of Non-Agricultural Uses of Imidacloprid
  • Presentation on Updates in Neonicotinoid Reevaluation
• March 2024 - Notice of Initiation of Scientific Peer Review with Partner Agencies Following Completion of the Draft Risk Characterization Document and the Draft Exposure Assessment Document for the Non-Agricultural Uses of the Active Ingredient Imidacloprid (PDF)
• March 2024 - Notice of Initiation of Reevaluation of Neonicotinoid Products Intended for Non-Agricultural Use on Non-Production, Outdoor Ornamental Plants, Trees, or Turf (PDF)
• March 2024 - Notice of Closure of Reevaluation of Chemicals in the Nitroguanidine Insecticide Class of Neonicotinoid Pesticides (PDF)
• January 2022 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
  • Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
  • Presentation on Updates on DPR’s Neonicotinoid Reevaluation and Upcoming Mitigation
• July 2020 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
  • Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
  • Presentation on DPR’s Neonicotinoid Reevaluation and Upcoming Mitigation Webinars
• September 2018 – Agricultural Pest Control Advisory Committee Meeting Agenda (PDF)
  • Agricultural Pest Control Advisory Committee Meeting Minutes (PDF)
  • Presentation on California Neonicotinoid Risk Determination
• September 2018 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
  • Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
  • Presentation on Neonicotinoid Risk Determination
• March 2018 - Notice of Initiation of Human Health Risk Assessment for the Active Ingredient Imidacloprid (PDF)
• July 2017 – Pesticide Registration and Evaluation Committee Meeting Agenda (PDF)
  • Pesticide Registration and Evaluation Committee Meeting Minutes (PDF)
  • Presentation on Neonicotinoid Updates
• 2015 – Imidacloprid and Fipronil Insecticides, Comparison of In Vivo Toxicity Endpoints and ToxCast Profiles (PDF)
• November 2001 – Initiation of Risk Assessment Process for the Active Ingredient Imidacloprid

• Pesticide Product Database
• Human Health Assessment Branch Memos
• Human Health Assessment Branch Publications, Posters/Abstracts and Presentations
• Worker Health and Safety Reports and Memos
• Environmental Monitoring Branch Publications
  • Environmental Fate Reviews
• Air Monitoring Network
• Pesticide Use Reporting (PUR)
• California Pesticide Illness Query (CalPIQ)
• Environmental Justice (EJ)
• OEHHA Proposition 65 Information
• U.S. EPA Pesticide Chemical Search
• PubChem-Chemical Information