PUBLIC LAW 102-143—OCT. 28, 1991 105 STAT. 963 pate in such program. Nothing in this subsection shall preclude a mass transportation operation from establishing a program under this section in cooperation with any other such operation. (d) In establishing the program required under subsection (b), the Secretary shall develop requirements which shall— (1) promote, to the maximum extent practicable, individual privacy in the collection of specimen samples; (2) with respect to laboratories and testing procedures for controlled substances, incorporate the Department of Health and Human Services scientific and technical guidelines dated April 11, 1988, and any subsequent amendments thereto, including mandatory guidelines which— (A) establish comprehensive standards for all aspects of laboratory controlled substances testing and laboratory procedures to be applied in carrying out this section, including standards which require the use of the best available technology for ensuring the full reliability and accuracy of controlled substances tests and strict procedures governing the chain of custody of specimen samples collected for controlled substances testing; (B) establish the minimum list of controlled substances for which individuals may be tested; and (C) establish appropriate standards and procedures for periodic review of laboratories and criteria for certification and revocation of certification of laboratories to perform controlled substances testing in carrying out this section; (3) require that all laboratories involved in the testing of any individual under this section shall have the capability and facility, at such laboratory, of performing screening and confirmation tests; (4) provide that all tests which indicate the use, in violation of law or Federal regulation, of alcohol or a controlled substance by any individual shall be confirmed by a scientifically recognized method of testing capable of providing quantitative data regarding alcohol or a controlled substance; (5) provide that each specimen sample be subdivided, secured, and labelled in the presence of the tested individual and that a portion thereof be retained in a secure manner to prevent the possibility of tampering, so that in the event the individual's confirmation test results are positive the individual has an opportunity to have the retained portion assayed by a confirmation test done independently at a second certified laboratory if the individual requests the independent test within three days after being advised of the results of the confirmation test; (6) ensure appropriate safeguards for testing to detect and quantify alcohol in breath and body fluid samples, including urine and blood, through the development of regulations as may be necessary and in consultation with the Department of Health and Human Services;
�
