Articles by Tasha Stoiber, Ph.D., Olga Naidenko, Ph.D.

Leftover Trump EPA rule leaves millions at risk from lead-tainted tap water

Civil rights and environmental groups are urging the Biden administration to delay implementation of a Trump-era rule that would leave millions of Americans exposed to toxic lead in drinking water.

EWG comments to NAS on EPA’s Integrated Risk Information System program

The Environmental Working Group submitted comments to the National Academies of Sciences, Engineering, and Medicine, emphasizing the Hallmarks of Cancer approach as a part of the cancer hazard...

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...

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 Comments to NEJAC Recommending Measures for Addressing PFAS Contamination Crisis

The Environmental Working Group submitted written comments to the National Environmental Justice Advisory Council with recommendations on the necessary measures for addressing the PFAS contamination...

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...

Federal Lawsuit Could Limit Fluoride in Drinking Water

A landmark federal lawsuit that went to trial this week in California could change the longstanding practice of adding fluoride to the drinking water supplies for 200 million Americans.

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 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 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 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 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...

Why EWG Standards for Drinking Water?

When it comes to drinking water, a passing grade from the government does not guarantee the water is safe.

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...

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 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...

Cancer Risks From Monsanto’s Weedkiller Deserve Further Scrutiny, Government Agency Says

A new analysis of Monsanto's signature herbicide, glyphosate, released by the Agency for Toxic Substances and Disease Registry, part of the U.S. Department of Health and Human Services, gives weight...