SECTION 252:307-1-4. Incorporation by reference

(a)   TNI Standard. Except as provided in subsection (c), 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 September 8, 2009, 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 requires 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, published July 1, 2018;

(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 and VI. See further SW-846-ON-LINE;

(3)   "Methodologies set forth in the National Primary Drinking Water Regulations," 40 CFR Part 141 published July 1, 2018; 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).

(c)   Excluded provisions. In Volume 1, Module 1 of the TNI Standard, subsections 4.1.3 and 4.2.1a) are not incorporated by reference.

(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.

[Source: Added at 32 Ok Reg 961, eff 9-15-15; Amended at 36 Ok Reg 1603, eff 9-15-19]