Gateway on Pesticide Hazards and Safe Pest Management

Updates from the Daily News Blog

Pesticides and Heavy Metals Found in Blunt (Cigar) Wrappers, Cellulose-Based Rolling Papers, and other Plant-based Rolling Paper Products
September 10, 2020

EPA Relied on Flawed Analysis to Allow Use of the Neurotoxic Insecticide Chlorpyrifos
August 21, 2020

Arctic Glaciers Entrap Pesticides and Other Environmental Pollutants from Global Drift and Release Hazardous Chemicals as They Melt from Global Warming
August 20, 2020

Pesticide Use Linked to Increased Risk of Lung Cancer
July 23, 2020

Take Action: Tell Public Officials to Stop Mosquito Spraying and Adopt a Safe, Effective Mosquito Management Plan
July 20, 2020

From Udder to Table: Toxic Pesticides Found in Conventional Milk, Not Organic Milk
July 9, 2020

Study Matches Parkinson's Disease Risk to Zip Code, Proximity to Pesticide Use
July 7, 2020

U.S. and Brazil Trying to Force Thailand to Accept Food Coated in Hazardous Pesticides
July 1, 2020

Implications for Human Health: Pesticides and Other Environmental Contaminants Alter Gut Microbiome
June 30, 2020

Monarch Butterfly Larvae Adversely Affected by Pesticide Drift from Contiguous Soybean and Maize Crop Fields
April 23, 2020

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Chlorpyrifos

General Information

• Fact Sheet: Chlorpyrifos.pdf
• Product Names:

  Chemsico roach control (Chemiso)
  Pyrinex mole cricket bait (Micro-Flo)
  Dursban (Dow AgroSciences)
  Lorsban (Dow AgroSciences)
  Ortho Ant Stop (Solaris Group), formulated with Calcium silicate, Aromatic petroleum distillates
  Ortho Dursban Lawn & Garden Insect Control (Solaris Group), formulated with Calcium silicate
  Bonide Termite & Carpenter Ant Dust (Bonide Products)
  Raid Ant Bait (SC Johnson)
  Hot Shot Maxattrax Roach Bait (Spectrum Brands) 

• Chemical Class: Organophosphate insecticide
• Uses: food and feed crops, golf courses, as a non-structural wood treatment, and as an adult mosquitocide
• Alternatives: Agriculture, Nonresidential buildings
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

• Cancer: Not documented
• Endocrine Disruption: Yes (30)
• Reproductive Effects: Yes (6)
• Neurotoxicity: Yes (8)
• Kidney/Liver Damage: Yes (17)
• Sensitizer/ Irritant: Yes (4)
• Birth/Developmental: Yes (6)
• Detected in Groundwater: Yes (6)
• Potential Leacher: Yes (6)
• Toxic to Birds: Yes (8)
• Toxic to Fish/Aquatic Organisms: Yes (8, 111)
• Toxic to Bees: Yes (8)

Residential Uses as Found in the ManageSafe™ Database

• Tree-boring Caterpillars
• Wasps and Yellowjackets
• Carpenter Bees
• Cockroaches
• Bed Bugs
• Ticks

Additional Information

• Regulatory Status:
  • Beyond Pesticides' California Department of Pesticide Regulation Human Health Effects comments (2017)
  • Beyond Pesticides' comments on EPA Tolerance Revocations (2017)
  • EPA denies a petition requesting that EPA revoke all tolerances for the pesticide chlorpyrifos (2017)
  • EPA Requests for Columbia Study's Data (2017)
  • Revised 2016 Human Health Risk Assessment
  • NMFS Biological Opinion for Pesticides: Chlorpyrifos, Diazinon, and Malathion (2017)
  • EPA Reregistration Eligibility Decision (RED) signed (7/2006)
  • Beyond Pesticides' EPA Risk Assessment comments (2000)
• Supporting information:
  • Daily News Blog entries (Beyond Pesticides)
  • Widely Used Pesticide in Food Production Damages Children’s Brains (Beyond Pesticides, 2017)
  • Asthma, Children and Pesticides (Beyond Pesticides)
  • The Low Down on Dursban (Beyond Pesticides)
  • Alternatives to Using Chlorpyrifos (Beyond Pesticides)
  • Safer Choice (Beyond Pesticides)
  • NCAP Chlorpyrifos Factsheet (Northwest Coalition for Alternatives to Pesticides)
  • Extoxnet Chlorpyrifos Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database:Chlorpyrifos (Pesticide Action Network)
• Studies:
  • Effects of chlorpyrifos on the crustacean Litopenaeus vannamei Duarte-Restrepo, E., Jaramillo-Colorado, B.E. and Duarte-Jaramillo, L., 2020. PloS one, 15(4), p.e0231310.
  • Brain anomalies in children exposed prenatally to a common organophosphate pesticide. Rauh VA, Perera FP, Horton MK, et al. 2012. Proc Natl Acad Sci U S A. 109(20):7871-6.
  • Chlorpyrifos exposure and urban residential environment characteristics as determinants of early childhood neurodevelopment. Lovasi GS, Quinn JW, Rauh VA, et al. 2011. Am J Public Health. 101(1):63-70.
  • Impact of prenatal chlorpyrifos exposure on neurodevelopment in the first 3 years of life among inner-city children. Rauh VA, Garfinkel R, Perera FP, et al. 2006. Pediatrics.118(6):e1845-59.
  • Long-term sex selective hormonal and behavior alterations in mice exposed to low doses of chlorpyrifos in utero. Haviland, J. A., Butz, D. E., Porter, W.P. 2009. Reproductive Toxicology. 29(1):74-79
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