The requirements of 40 C.F.R. 141.853(c), adopted by reference in 18 AAC 80.010(a), apply to all public water systems and to certified laboratories that analyze drinking water samples. In addition,
- (1) under 40 C.F.R. 141.853(c)(2), if a certified laboratory invalidates a sample, the laboratory shall notify the department and the owner by telephone, facsimile transmission, or electronic mail, within 24 hours after invalidating the sample;
- (2) the operator shall resample within 24 hours after receiving notice of the invalidated sample unless the department, on a case-by-case basis and after determining that public health is adequately protected, extends the 24-hour time limit for collecting the sample.
(Eff. 10/1/99, Register 151; am 4/24/2009, Register 190; am 2/11/2017, Register 221)
Authority: AS 46.03.020, AS 46.03.050, AS 46.03.710, AS 46.03.720