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Background Information
Fact Sheet: Addressing Perchlorate and Other Emerging Contaminants in Massachusetts
MassDEP efforts to address perchlorate in Massachusetts water supplies Web page
Perchlorate Q&A
Web page
Official Communications Regarding Perchlorate
Letter to USEPA Assistant Administrator Grumbles on Perchlorate Contamination in Drinking Water in Massachusetts PDF 43 KB
Fireworks Best Environmental Management Practices
Letter to fireworks contractors and other interested parties concerning fireworks containing perchlorate Web page
Letter to Blasting Contractors and Interested Parties
Web page
Letter to Certified Labs Regarding Perchlorate Testing
MS Word 47 KB | PDF 37 KB
Perchlorate Toxicological Profile and Health Assessment
June, 2006 Update MS Word 700 KB | PDF 408 KB
Addendum to the Perchlorate Toxicological Profile and Health Assessment
June, 2006 Update MS Word 239 KB | PDF 157 KB
Letter to Public Water Suppliers concerning new perchlorate regulations, September 2006
Web page
Perchlorate fact sheet for Public Water Suppliers, September 2006
Web page
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