Official Correspondence

We've compiled and archived letters and other official correspondence from EWG to government agencies, elected officials, industry associations and companies.

Areas of Focus

Areas of Focus

Displaying 1 - 20 of 224

EWG Comments to EPA's National Environmental Justice Advisory Council on Water Quality Concerns

The Environmental Working Group submitted comments to urge the EPA’s National Environmental Justice Advisory Council to focus on drinking water quality concerns in overburdened communities across the...

EWG Comments on the EPA Office of Research and Development Staff Handbook for Developing IRIS Assessments Public Comment Draft

The Environmental Working Group submitted comments to the EPA Office of Research and Development urging the agency to include the Hallmarks of Cancer approach as a part of the cancer hazard...

Comments From 30 Organizations to the EPA on Interim Guidance on the Destruction and Disposal of PFAS Chemicals

The Environmental Working Group, along with more than 30 environmental and public health organizations, submitted comments on the Environmental Protection Agency’s interim guidance on the destruction...

EWG Comments to EPA To Ban All Uses of Chlorpyrifos

The Environmental Working Group submitted comments to the EPA urging the agency to revoke the proposed interim decision for chlorpyrifos, issued in December 2020, to cancel all chlorpyrifos uses, and...

EWG Comments to NTP to Strengthen and Prioritize the Goal of Environmental Justice

The Environmental Working Group submitted comments urging the Board of Scientific Counselors of the National Toxicology Program to strengthen and broaden the NTP efforts to identify and characterize...

EWG Letter EPA on Solvay's Failure to Submit Key Health and Safety Studies

The Environmental Working Group submitted a letter to the Environmental Protection Agency requesting TSCA 8(e) enforcement for Solvay’s failure to submit key health and safety studies within a timely...

EWG Comments to Oregon Health Authority to Revise Its Report “Wireless Technology Health Risks”

The Environmental Working Group submitted comments to Oregon Health Authority, calling on the OHA to revise its report “Wireless Technology Health Risks” by including the latest findings from human...

EWG Comments to EPA Opposing New Uses of Aldicarb

EWG submitted comments to the EPA in opposition to proposed new uses of the neurotoxic insecticide aldicarb on oranges and grapefruit in Texas and Florida.

EWG Comments to EPA in Support of Regulatory Revisions to the State 1 and Stage 2 Disinfection Byproducts Rules

EWG submitted comments to the EPA in support of regulatory revisions to the State 1 and Stage 2 Disinfection Byproducts Rules on the regulation of additional disinfection byproducts in drinking water.

EWG Comments to California OEHHA to Prioritize Chemicals for Proposition 65 Review

EWG submitted comments to California's Office of Environmental Health Hazard Assessment and the Developmental and Reproductive Toxicant Identification Committee to recommend the prioritization of four...

EWG Comments to California OEHHA Supporting Their Decision on Synthetic Food Dyes

EWG submitted comments to the California Office of Environmental Health Hazard Assessment, expressing support for the OEHHA's conclusion that synthetic food dyes may cause or exacerbate...

EWG Comments to NEJAC to Consider Both Historical and Current PFAS Contamination

Environmental Working Group presented comments to the National Environmental Justice Advisory Council, urging the Council to consider both historical and current PFAS contamination and to ensure that...

EWG Comments on EPA’s Decision to Regulate PFOA and PFOS in Drinking Water

Attached are EWG comments on EPA’s decision to regulate PFOA and PFOS in drinking water.

EWG Comments to EPA on the “Strengthening Transparency in Regulatory Science” Proposed Rule

The Environmental Working Group (EWG) objects to the Environmental Protection Agency’s proposal to apply polluter-friendly limitations to the types of scientific data that can be considered for...

EWG Comments to FCC on Human Exposure to Radiofrequency Electromagnetic Fields Rule

Environmental Working Group objects to the Federal Communications Commission’s proposal to apply the outdated, insufficiently protective radiofrequency (RF) radiation exposure limits to 5G technology...

EWG Comments to EPA on Neonicotinoids

EWG submits comments opposing the EPA’s decisions to allow continued use of five neonicotinoid insecticides. EWG urges the EPA to restrict the use of these pesticides to prevent harm to pollinators...

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 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...

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