EPA Finds Trichloroethylene Presents Unreasonable Risk in Final Risk Evaluation On Jan 9, 2023, the United States Environmental Protection Agency (EPA) revised the Toxic Substance Control Act (TSCA) to reflect … Read More
Proposed Use of a Hazard Index for PFAS National Primary Drinking Water Regulation (NPDWR) The Proposed MCL and MCLG for the four PFAS, PFNA, PFHxS, GenX, and PFBS, considers their toxicity as additive. The … Read More
PFAS Groundwater Sampling Per- and Poly-fluoroalkyl substances are a diverse group of man-made chemicals and are becoming an increasing environmental concern. Read More
Proposed MCLGs and MCLs for PFAS Final Regulatory Determination for Contaminants on the Fourth Drinking Water Contaminant Candidate List Read More
Deadline Approaching for Utilities to Report SF₆ Emissions to EPA The EPA regulates greenhouse gas (GHG) emissions under the Greenhouse Gas Reporting Program (GHGRP) and has recently decided to place … Read More
Recognizing, Identifying, Prioritizing and Addressing EHS & ESG Risks A clear view and understanding of the environmental, health and safety (EHS) risks created by a business is paramount to … Read More
QA and Chemistry Services TRC offers many QA and Chemistry services including data usability assessments, limited and full data validation reports, quality assurance project … Read More
PFAS Fate and Transport Understanding PFAS properties and behavior is key to effective detection and remediation. Read More
PFAS Fate and Transport: Conceptual Site Models The conceptual site model describes site-specific sources, release and transport mechanisms, exposure media, exposure points, exposure pathways and routes and … Read More
