Citizens concerned about Mayor’s actions, Quincy Valley Post Register 5/1/1997

NPR Living On Earth, May 15, 1998

EPA Fact Sheet on Fertilizer Recycling -1997

40 CFR Part 268 Hazardous Waste Recycling; Land Disposal Restrictions; Final Rule 

Estimating Risks from Contaminants Contained in Agricultural Fertilizers

Background Report on Fertilizer Use, Contaminants and Regulation

EPA Fact Sheet — Zinc Fertilizer Recycling

Requirements for Zinc Fertilizers Made From Recycled Hazardous Secondary Materials; Proposed Rule

Comments of Patricia Martin – Zinc Fertilizer Rule

Final Zinc Fertilizer Rule — July 24, 2002

Safe Food and Fertilizer v. EPA, D.C. Circuit Court of Appeals decision.

RCRA Burden Reduction Initiative