Information on Phosphine
Find information on the registration status, continuous evaluation and mitigation measures in California to regulate this active ingredient. An active ingredient is the chemical that makes a pesticide work on a target pest.
Active Ingredient: Phosphine
Type of Pesticide: Insecticide, Vertebrate Control
California Registration: Yes
EPA Registration: Yes
Fumigant: Yes
California Restricted Material: Yes
Toxic Air Contaminant (TAC): Yes
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: No
Reevaluation Status: None
Chemical Class: Inorganic Phosphine
DPR Chemical Code: 3541
Risk Evaluation and Mitigation Documents
- June 2015 - Phosphine Mitigation Scoping Document - English pdf
- December 2014 - ENF 2014-25 - Update to Volume 3, Restricted Materials and Permitting, Pesticide Use Enforcement Program Standards Compendium, Including Aluminum and Magnesium Phosphide for Burrowing Rodent Control Recommended Permit Conditions
- June 2014 - Phosphine Risk Characterization Document - English pdf
- June 2014 - Estimation of Exposure to Persons in California to Phosphine due to Use of Aluminum Phosphide, Magnesium Phosphide, and Cylinderized Phosphine Gas - English pdf
- July 2013 - Inhalation of Phosphine Gas Following a Fire Associated With Fumigation of Processed Pistachio Nuts - English pdf
- December 2012 - ENF 2012-22 - Updates to Volume 3, Restricted Materials and Permitting Compendium, Including Aluminum and Magnesium Phosphide for Burrowing Rodent Control
- April 2011 - ENF 2011-11 - Update: Aluminum and Magnesium Phosphide Rodenticides/New Approved Labeling Amendments and Questions and Answers
- May 2006 - ENF 2006-010 - Fumitoxin® Label Interpretation
Historic Documents
- June 2016 – Recommendations Concerning Site Location and Building of a Fumigation Chamber in Stanislaus County
- March 2015 – Results from Consultation with Fresno CAC Concerning Proposed Use of Phosphine for Bin Treatment of Nuts and Grain in Proximity to a Sensitive Site
- March 2012 – Worksite Evaluation and Priority Illness Investigation Following a Phosphide Fire at a Kern County Commodity Processing Facility: Observations and Recommendations
- June 2010 – Report on Air Monitoring of the Application of Phosphine in Merced County in December 2008 (Appendix A-F)
- May 2008 – Proposed Amendment to Title 3 CCR Section 6400 to Include "Phosphine Gas" and "Magnesium Phosphide" in the Restricted Materials List
- January 2008 – An Overview of Phosphine-Generating Pesticides Used in California in 2005
- January 2008 – Review of an Improved Version of a Phosphine Gas Generator
- January 2007 – Notice to Pesticide Registrants Regarding Initiation of Risk Assessment Process for the Active Ingredient Phosphine
- January 2005 – Consultation on Paramount Facility and their Use of Phosphine Gas
- December 2004 – Consultation on Woolf-Harris Facility and their Use of Phosphine Gas
- September 2004 – Industrial Hygiene Assessment of a Nut-Processing Facility in Stanislaus County
- June 2004 – Results from Meeting with Stanislaus CAC at Sun Valley Nut Company In Turlock
- February 2004 – Review of Proposed Fumitoxin Label (Tracking ID# 204014)
- October 2003 – Evaluation of the Use of Phosphine Gas in a Kern County Nut-Processing Facility
- January 1998 – Illnesses and Injuries Associated with Exposures to Phosphine and Phosphine Degradation Products
- March 1983 – Monitoring Environmental Levels of Phosphine at a Rice Fumigation Site in Sacramento County, November 1982