Federal
- EPA has proposed a draft analytical method for measuring 6PPD-quinone in stormwater and surface waters. Many of you may be following the increasing regulatory attention to 6PPDq – a chemical additive in rubber tires to help extend a tire's life and use. These chemicals have been in use for more than 50 years and have been found to be very toxic to salmon and trout species as well as other aquatic life.
- On May 28, 2024, the U.S. Supreme Court granted cert in San Francisco v. EPA. The case calls for the U.S. Supreme Court to resolve a critical question—whether the Clean Water Act allows EPA (and authorized states) to imposed generic prohibitions against violating water quality standards in National Pollutant Discharge Elimination System (NPDES) permits.