In this chapter, the following documents are incorporated by reference. Documents Incorporated. Code of Federal Regulations (CFR) — 40 CFR 141 (July 1, 2013): Record Maintenance (40 CFR §141.33) revised July 1, 2010; Lead and Copper Rule (40 CFR §§141.80 — 141.91) revised July 1, 2010; and Reporting Requirements (40 CFR §141.31). Manual for the Certification of Laboratories Analyzing Drinking Water (EPA 815-R-05-004, January 2005) and Supplement 1 to the Fifth Edition of the Manual for the Certification of Laboratories Analyzing Drinking Water (EPA 815-F-08-006, June 2008).