Specifications include, but are not limited to: Testing shall be conducted for pre-employment, reasonable suspicion, random, post-accident, return-to-duty and follow-up as requested by the City of El Paso. Students and Trainees of the Contractor are forbidden to work on company specimens. Charge to include all collection, chain of custody, testing, and storage procedures, MRO, and any other services, materials, equipment or other expense, duty or obligation of the Contractor, its assignees, delegates, independent contractors, or other parties acting on behalf of the Contractor, in the performance of drug/alcohol screening. Contractor shall provide alcohol/drug testing on a twenty-four (24) hour basis. Contractor shall specify if he is able to drive to a specific site to conduct breathalyzer test(s)/obtain urine samples, or whether an employee must be transported to the contractor’s site. Contractor shall also specify the time from the arrival of the employee to the time the breathalyzer test is conducted, i.e. 10 minutes, 20 minutes, etc. A. Regulated urine or hair specimens will be analyzed for the following drugs: a. Marijuana (THC metabolite) b. Cocaine c. Amphetamines d. Opiates (including heroin) e. Phencyclidine (PCP) B. Unregulated urine or hair specimens will be analyzed for at least the following drugs and any adulterants (others may be added): a. Marijuana (THC metabolite) b. Cocaine c. Amphetamines d. Opiates (including heroin) e. Phencyclidine (PCP) f. Barbiturates g. Benzodiazepines h. Methodone i. Methaqualone j. Propoxyphene