We've compiled and archived letters and other official correspondence from EWG to government agencies, elected officials, industry associations and companies.
Displaying 61 - 80 of 268
Letter to Senate and House Leadership on Addressing the COVID-19 Crisis
Click on the pdf above to see a joint letter from EWG, other environmental health organizations and public health institutions calling on Congress to pass vital legislation to ensure that healthy...
EWG Comments to California OEHHA on Proposed Public Health Goals for Haloacetic Acids in Drinking Water
EWG submitted comments to the state of California in support of OEHHA’s proposed public health goals for haloacetic acid disinfection byproducts in drinking water.
Letter to ATSDR Director re: omissions from PFAS website
The Environmental Working Group is writing to urge ATSDR, an agency on the front lines of the fight to protect public health from PFAS pollution, to provide on its website the most robust, easily...
EWG Comments to EPA on Metolachlor
The Environmental Working Group submits comments to the EPA on the registration review for the herbicide metolachlor. EWG urges the EPA to use a tenfold children’s health safety factor for this...
EWG Comments to EPA on Pyrethroid
The Environmental Working Group submits comments to the EPA on the reevaluation of the FQPA safety factor for pyrethroid insecticides. To protect children’s health, EWG urges the EPA to use a tenfold...
EWG Comments to EPA on Tebuconazole
The Environmental Working Group submits comments to the Environmental Protection Agency on the human health risk assessment for the fungicide tebuconazole, urging the EPA to use a full tenfold...
EWG Comments to NTP on PFOA Carcinogenicity Report
EWG has submitted detailed technical comments to the National Toxicology Program regarding the draft report for PFOA carcinogenicity studies. EWG recommends the NTP reevaluate the carcinogenic...
EWG Comments to EPA on Registration Review for Paraquat Dichloride
Environmental Working Group submits comments to the EPA on the registration review for the pesticide paraquat dichloride, commonly called paraquat. EWG urges the EPA to revise the paraquat human risk...
EWG Comments to California OEHHA on Draft Drinking Water Utility Report
EWG submitted detailed comments to the California Office of Environmental Health Hazard Assessment on the draft report “Achieving the Human Right to Water in California: An Assessment of the State’s...
EWG Letter to the California Water Resources Control Board to Address PFAS Contamination
Environmental Working Group urges the California State Water Resources Control Board to address per- and polyfluorinated substances, or PFAS, in drinking water as a class.
EWG Comments to EPA on Registration Decision for Pesticide Imazalil
Environmental Working Group objects to the EPA’s proposed interim registration decision for the carcinogenic pesticide imazalil. EWG urges the EPA to protect children’s health from imazalil and to...
NGO Letter to California State Water Resources Control Board and the California Department of Social Services on AB 2370
EWG, along with Clean Water Action and more than a dozen co-signers, submitted comments to the California State Water Resources Control Board and the California Department of Social Services regarding...
NGO Letter in Support of PFAS Provisions in the FY 2020 NDAA
Attached is a letter submitted by non-governmental organizations, to support House and Senate Armed Services Committee efforts to include several provisions related to per- and poly- fluoroalkyl...
EWG Comments on the EPA’s Proposed National Primary Drinking Water Regulations for Perchlorate
EWG objects to the Environmental Protection Agency’s proposed drinking water standard for perchlorate, a contaminant associated with harm to the thyroid. The EPA’s proposed legal limit of 56 parts per...
EWG Comments to EPA on Proposed Glyphosate Decision
Environmental Working Group objects to the Environmental Protection Agency’s proposed decision on glyphosate, the most heavily used pesticide in the U.S. The EPA’s decision to allow continued...
EWG Comments to FDA on Sunscreen Safety and Efficacy
EWG has submitted detailed comments to the Food and Drug Administration about the agency can improve sunscreen safety and effectiveness. We also submitted comments jointly with Safer Chemicals Healthy...
EWG Comments to EPA on the Registration Review for Pesticide Thiabendazole
Environmental Working Group submits comments to the EPA on the registration review for pesticide thiabendazole. EWG urges the EPA to conduct a comprehensive assessment of the cancer risks of...
EWG Petitions CDC to Biomonitor Public for Glyphosate
EWG has submitted a petition to the Centers for Disease Control and Prevention requesting biomonitoring of the American public for glyphosate, a commonly used weed-killing chemical that has been...
Environmental Working Group Comments to the Environmental Protection Agency
EWG has submitted comments to the Environmental Protection Agency urging the EPA to include a 10-fold Food Quality Protection Act children's health safety factor for the triclosan human health...
EWG Petitions CDC To Conduct Biomonitoring Studies for Common Sunscreen Chemicals
EWG has submitted a petition to the Centers for Disease Control and Prevention requesting that biomonitoring of the American public include tests for common sunscreen ingredients. Research conducted...