A laboratory performing analyses shall be subject to the requirements of 310 CMR 42.00 for those analyses for which it holds Department certification and that it identifies in any issued report as having been conducted in accordance with the Department's certification standards. An analysis for which a laboratory holds Department certification is deemed to be identified in a report as having been conducted in accordance with the Department's certification standards unless the report expressly states that the analysis was not conducted in accordance with the Department's certification standards.
310 CMR, § 42.02