7 Pa. Code § 401.29 – Split sample testing laboratory minimum standards.

(a) The designated split sample testing laboratory (Split Lab) conducting split post-race sample analysis must, at a minimum, demonstrate technical competence in the field of chemical testing and laboratory quality management be meeting similar accreditation standards and testing standards as the Commission Testing Laboratory.
(b) The Commission shall provide a list of approved split sample laboratories for use.

This section cited in 7 Pa. Code § 401.25 (relating to storage of split samples).