§ 1090.1375 Quality control procedures.
This section specifies ongoing quality testing requirements as part of the Performance-based Measurement System specified in § 1090.1360.
(a) General provisions. You must perform testing to show that your laboratory meets specified precision and accuracy criteria as follows:
(1) The testing requirement applies for the referee procedures in § 1090.1360(d) and for alternate procedures that are qualified or approved under § 1090.1365. The testing requirements apply separately for each test instrument at each laboratory.
(2) If you fail to conduct specified testing, your test instrument is not qualified for measuring fuel parameters to demonstrate compliance with the standards and other specifications of this part until you perform this testing. Similarly, if your test instrument fails to meet the specified criteria, it is not qualified for measuring fuel parameters to demonstrate compliance with the standards and other specifications of this part until you make the necessary changes to your test instrument and perform testing to show that the test instrument again meets the specified criteria.