Hermitage Class A Biosolids Program

When the Hermitage Municipal Authority wanted to obtain Class A status for its biosolids, it was not as simple as downloading and completing the necessary forms. As one of the first facilities in Pennsylvania to accept food waste in its digesters, the Authority needed to first receive conditional approval from the U.S. Environmental Protection Agency (EPA) for Alternative 6 under Processes to Further Reduce Pathogens (PFRP) through the Pathogen Equivalency Committee (PEC). To receive PFRP equivalency for its temperature phased anaerobic digestion process, the Authority had to demonstrate at least two-log reduction in viable helminth ova and a three-log reduction of enteric viruses, along with standard vector attraction reduction. Additionally, because the Authority intended to receive food wastes, a coproduct determination was necessary in accordance with 25 PA Code, Chapter 287.1, certifying the food waste is non-hazardous.

RETTEW developed and oversaw the sampling plan designed to demonstrate the necessary biosolids characteristics including required volatile solids reduction. After receiving EPA PEC equivalency and demonstrating coproduct qualifications, RETTEW, on behalf of the Authority, applied for and obtained a general permit for the beneficial use of sewage sludge.

RETTEW NEWSROOM

Check out our latest updates on industry trends, corporate news, employee accomplishments, and community support.

Go to Newsroom

Uncategorized

Aspire! Intern Blog: Noah Hakes, Safety Consulting

During my time here at RETTEW, I have developed a lot of useful skills. These skills include things…

Read More

Uncategorized

Sign Up for an OSHA General Industry Training TODAY!

Take your safety capabilities to the next level with this General Industry Training in Mechanicsburg, PA, September 16-19….

Read More