part_subject: "NATIONAL PRIMARY DRINKING WATER REGULATIONS"
subpart_code: "W"
subpart_subject: "Enhanced Treatment for"
section_number: "141.705"
section_subject: "Approved laboratories."
cfr_reference: "40 CFR 141.705"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 136 to 149"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
(a)Cryptosporidium. Systems must have Cryptosporidium samples analyzed by a laboratory that is approved under EPA's Laboratory Quality Assurance Evaluation Program for Analysis of Cryptosporidium in Water or a laboratory that has been certified for
Cryptosporidium analysis by an equivalent State laboratory certification program.
(b)E. coli. Any laboratory certified by the EPA, the National Environmental Laboratory Accreditation Conference or the State for total coliform or fecal coliform analysis under § 141.74 is approved for E. coli analysis under this subpart when the laboratory uses the same technique for E. coli that the laboratory uses for § 141.74.
(c)Turbidity. Measurements of turbidity must be made by a party approved by the State.