Sampling and testing (S2.7)

S2.7.1: All sampling and testing must be carried out by a laboratory holding current UKAS accreditation covering the specified method of testing, unless otherwise agreed.
S2.7.2: The authority may carry out sampling and testing at its discretion. If there is no agreement between the authority and undertaker on the test results and findings, further testing may be undertaken by a UKAS accredited laboratory to reconcile the matter.