Okla. Admin. Code § 252:307-1-4

Current through Vol. 42, No. 8, January 2, 2025

Section 252:307-1-4 - Incorporation by reference

(a)TNI Standard. Laboratories accredited under this Chapter shall meet the requirements of the TNI Standard for the Environmental Laboratory Sector, Volume 1, "Management and Technical Requirements for Laboratories Performing Environmental Analysis." Modules 1, 2, 3, 4, 5, 6 and 7 as adopted January 31, 2020, which are hereby incorporated by reference.

(b)EPA methodology. Environmental analysis for compliance with the Federal Safe Drinking Water Act, Federal Clean Water Act and Federal Resource Conservation and Recovery Act require conformance with applicable EPA approved methodology. If EPA has approved a test procedure for analysis of a specific analyte, the laboratory must use an approved test procedure. The following EPA methods are hereby incorporated by reference:

(1) "Guidelines Establishing Test Procedures for the Analysis of Pollutants," 40 CFR Part 136 , effective July 19, 2021;

(2) "Test Methods for Evaluating Solid Waste, Laboratory Manual Physical/Chemical Methods," SW-846 Manual, Third Edition as amended by Final Updates I, II, IIA, IIB, III, IIIA, IIIB, IVA, IVB, V, VI, and VII. See further SW-846-ON-LINE;

(3) "Methodologies set forth in the National Primary Drinking Water Regulations," 40 CFR Part 141 as published July 1, 2021; and

(4) "Manual for the Certification of Laboratories Analyzing Drinking Water," Fifth Edition and Supplement 1 (EPA 815-5-05-004, January 2005 and EPA 815-F-08-006, June 2008).

(d)DEQ approved methodologies. The following methods are specifically approved by the DEQ:

(1) TNRCC Method 1005 Total Petroleum Hydrocarbons (>nC6 to nC35) of June 1, 2001;

(2) Oklahoma GRO 8020/8015(Modified) of February 24, 1996;

(3) Oklahoma DRO 8000/8100(Modified) of October 22, 1997;

(4) ASTM mussels of 2006;

(5) ASTM E 1193-97 for whole effluent toxicity tests; and

(6) On a case by case basis as approved by DEQ.

(e)Inconsistencies between test methods and rules. In the event there are inconsistencies between the requirements of this Chapter and requirements of those provisions incorporated by reference, the laboratory must meet all applicable requirements. Laboratories are encouraged to consult with DEQ when in doubt about the proper or applicable test method.

Okla. Admin. Code § 252:307-1-4

Adopted by Oklahoma Register, Volume 32, Issue 23, August 17, 2015, eff. 9/15/2015

Amended by Oklahoma Register, Volume 36, Issue 24, September 3, 2019, eff. 9/15/2019

Amended by Oklahoma Register, Volume 39, Issue 24, September 1, 2022, eff. 9/15/2022