1 / 5

Understanding PCB Water Quality Criteria for the Spokane River

Explore the regulatory drivers and Toxics Listings for the Spokane River, focusing on PCB standards in parts per quadrillion and billion. Learn about Washington State water quality criteria, EPA guidelines, consumption rates, and PCB levels in freshwater fish from 2001 to 2008.

joyce
Télécharger la présentation

Understanding PCB Water Quality Criteria for the Spokane River

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. In-Water Regulatory Drivers Spokane River

  2. Summary of Category 5 Section (303d)Toxics Listings for the Spokane River, 2008 List

  3. Summary of PCB Standards pg/l= parts per quadrillion ug/kg= parts per billion

  4. Water Quality Criteria for PCBs Washington State • Human Health (EPA National Toxics Rule) • 170 ppq (parts per quadrillion) in water • 6.5 grams per day consumption rate • Translates to 5.3 ppb (parts per billion) for fish tissue Spokane Tribe • Human Health • 3.37 ppq in water • 86.3 grams per day consumption rate • Translates to 0.1 ppb for fish tissue

  5. PCB Levels in Freshwater Fish from Washington 2001 to 2008

More Related