Section 144-270-3 - Substances For Which Testing Is PermittedA. Testing is permitted for the substances and groups of substances set forth below. If a sample is submitted by a Drug Recognition Expert, the DRE must specify to the testing laboratory which substances are to be tested for in each specimen or group of specimens.B. Laboratories conducting OUI testing shall have the ability to test for substances or groups of substances including central nervous system stimulants, central nervous system depressants, inhalants, narcotic-analgesics, hallucinogens, dissociate anesthetics, cannabinoids, and alcohol. If testing for a substance or group of substances is not available, arrangements for further testing may be made with an alternate ISO 17025-accredited Forensic Testing Laboratory.10-144 C.M.R. ch. 270, § 3