biosolids

By Sally Brown, University of Washington

Abstracts of these resources are available in the searchable Information Portal offered to Northwest Biosolids members.

U.S. Environmental Protection Agency

By Sally Brown, University of Washington

By Sally Brown, University of Washington

Abstracts of these resources are available in the searchable Information Portal offered to Northwest Biosolids members.

1. PFAS concentrations in soils: Background levels versus contaminated sites
   https://nwbiosolids.org/resource/pfas-concentrations-soils-background-levels-versus-contaminated-sites

Tamara, or Tami as most of us know her, runs Terre-Source, an organics recycling company in old downtown Mount Vernon, WA, overlooking the beautiful Skagit River.  Tami started Terre-Source to serve the compost industry and provide her clients with consulting services for the best utilization of biosolids compost and guidance in navigating the regulatory requirements for composting.

Brown and Caldwell is a 100% environmental and 100% employee-owned firm with over 1,700 employees all working towards a common goal: to make a positive impact on our environment and in our world. Brown and Caldwell has worked on major biosolids management programs throughout the country. 

Ask anyone who works with Billy Lewis to describe him and you will hear quiet, considerate, hard worker and a man of few words. You would think someone who sells biosolids products for a living would be a big talker with a crap load of bravado. That is not the case with Billy; instead, he enjoys the quieter things in life like spending time with his wife and two boxers, running, camping and golfing.    

By Trung Le, Northwest Biosolids Research Committee and Brown & Caldwell

COVID-19 Surveillance Recommendations

The Water Research Foundation recently released "Wastewater Surveillance of the COVID-19 Genetic Signal in Sewersheds: Recommendations from Global Experts." The aim of this report is to present guidance on sampling standards, results interpretation and methods for tracking COVID-19. 

U.S. Biosolids Program Welcomes New Staff

By Ian Pepper, University of Arizona & WEST Center

Background: In Part 1, we described the concept of measuring Coronavirus concentrations in sewage as a leading indicator of the pandemic. Researchers at WEST have now been accepting and analyzing sewage samples from all over the U.S. including Los Angeles, Seattle and New York. The time frame for sampling has been from early March 2020 to June 2020, allowing for trends to be discerned when multiple samples over time have been analyzed.