Category: Reports

Category to track technical reports to support our efforts.

Edmonds Stream Inventory and Assessment

July 29, 2002
Pentec Environmental

The attached report was prepared for the City of Edmonds to establish baseline information on stream conditions in order to support work toward meeting National Pollutant Discharge Elimination System (NPDES) permit and ESA requirements. This report covers all of the appropriate significant streams under the City’s jurisdiction.

Continue reading “Edmonds Stream Inventory and Assessment”

From tires to nail polish, we’re studying a new round of consumer products with toxic chemicals

Draft report open for formal public comment

by Cathy Hamilton-Wissmer
November 1, 2024

In May 2024, our Safer Products for Washington team identified a new set of toxic chemicals in everyday consumer products. That’s important because it gives us an opportunity to reduce exposure to toxic chemicals and prevent their release into the environment. We want your feedback on the products we’ve identified as significant sources of these toxic chemicals. 

Continue reading “From tires to nail polish, we’re studying a new round of consumer products with toxic chemicals”

PFAS and Aquatic Life

As part of the U.S. Environmental Protection Agency’s commitment to safeguard the environment from per- and polyfluoroalkyl substances (PFAS), the agency uses its Clean Water Act authorities to develop recommended water quality criteria and informational benchmarks to help states and authorized Tribes protect aquatic ecosystems from several PFAS.

Environmental Protection Agency
October 1, 2024

ITRC Publishes New 6PPD Guidance

This new Interstate Technology and Regulatory Council (ITRC) document provides information about 6PPD and 6PPDQ that can help inform future policies and regulations. The guide provides:

  • An introduction to 6PPD and 6PPDQ.
  • Current knowledge of effects, toxicity, and physical/chemical properties of 6PPD and 6PPDQ.
  • The occurrence, fate, and transport of 6PPD and 6PPDQ in the environment.
  • An overview of measuring, mapping, and modeling techniques for these chemicals.
  • Discussion of mitigation measures, solutions, policies, regulations, and laws.
  • An overview of information gaps and research needs.

Read the report:

https://6ppd.itrcweb.org/?utm_medium=email&utm_source=govdelivery

Interstate Technology and Regulatory Council
September, 2024

These common chemicals could affect your health all over your body, expert says

CNN — 
There are chemicals in cookware, food, water, clothes and furniture that could cause problems for people’s health.

These PFAS, or perfluoroalkyl and polyfluoroalkyl substances — sometimes called “forever chemicals” because they don’t fully break down in the environment — have been used in consumer products since the 1950s.

By Madeline Holcombe, CNN
Mon September 9, 2024

Link to article and video:

https://www.cnn.com/2024/09/09/health/pfas-explainer-wellness/index.html?cid=ios_app

United States Analysis of the Regulatory Inception of Per- and Polyfluoroalkyl Substances(PFAS) in Drinking Water Policy among States and Review of Regulatory Efforts made by the Federal Environmental Protection Agency

By Amy Hagarty, Bachelor of Science
A Thesis Submitted in Partial
Fulfillment of the Requirements
for the Degree of
Master of Science
in the field of Environmental Science
Graduate School
Southern Illinois University Edwardsville
December, 2023

2024 PFAS in drinking waterDownload