EditorialExam Study Guide - August 2023

Exam Study Guide - August 2023

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WASTEWATER

By Rick Lallish

According to U.S. EPA Part 503 regulations, which type of biosolids may be used as soil amendment and/or fertilizer for growing various crops (with some restrictions)?

A. Class A

B. Class B

C. Both/either

D. Neither

Answer: C. Class A...

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