SECTION 252:302-7-2. PT sample treatment

Latest version.

(a) Samples shall be analyzed and the results returned to the PT study provider no later than the provider's closing date. The laboratory shall ensure that all PT samples are handled, i.e., managed, analyzed and reported, in the same manner as actual environmental samples utilizing the same staff, methods as used for routine analysis of that analyte, procedures, equipment, facilities, and frequency of analysis.
(b) When analyzing a PT sample, a laboratory shall employ the same calibration, laboratory quality control and acceptance criteria, sequence of analytical steps, number of replicates and other procedures as used when analyzing routine samples.

[Source: Added at 28 Ok Reg 1201, eff 7-1-11]

                    
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