Okla. Admin. Code § 252:302-7-4

Current through Vol. 41, No. 19, June 17, 2024

Section 252:302-7-4 - PT Requirements

(a)General requirements. Field laboratory proficiency testing samples must be Water Pollution (WP) type testing samples

(1) Laboratories seeking to renew accreditation must obtain acceptable results for vendor supplied, regularly scheduled proficiency testing samples approximately six (6) months apart in each calendar year. Failure to meet the semiannual schedule shall be regarded as a failed study on the last day of the seventh (7th) month.

(2) Laboratories shall successfully analyze at least two (2) PT studies within the most recent three rounds attempted (2 of 3) prior to renewal. Laboratories may analyze additional or supplemental studies; however, such studies must be reported to the DEQ.

(b)Cost responsibility. Laboratories shall bear the cost of any subscription to a proficiency testing program required by the DEQ. The DEQ shall not be charged a fee for the analysis of any proficiency testing samples.

(c)Alternate program. The DEQ may designate an alternate proficiency testing program if it determines such designation is appropriate.

(d)DEQ PT samples. As part of a laboratory's proficiency testing, the DEQ may also submit blind audit samples to an accredited laboratory.

(e)Restrictions on exchanging information. A laboratory shall not attempt to obtain the prepared value of any PT sample from its PT Provider prior to the conclusion of the PT study.

Okla. Admin. Code § 252:302-7-4

Added at 28 Ok Reg 1201, eff 7-1-11