Laboratory Process Sample Clauses

Laboratory Process. The City will utilize a NIDA-certified laboratory for all drug/alcohol screening processing. The laboratory will: A. Use 5 drug panel of: amphetamines, barbiturates, benzodiazepines, cocaine, cannabinoids (THC), opiates and phencyclidine, unless the specific situation requires testing for another specific substance(s), plus alcohol (ethyl). B. Use the EMIT procedure as the initial screen, utilizing cutoff levels as follows: Amphetamines 500 ng/ml MDMA 500 ng/ml Cocaine Metabolite 150 ng/ml Opiates 2000 ng/ml 6-Acetylmorphine 10 ng/ml Phencyclidine (PCP) 25 ng/ml Marijuana (THC) Metabolite 50 ng/▇▇ ▇. Use Gas Chromatography/Mass Spectroscopy (GC/MS) as the confirmatory method, utilizing cutoff levels as follows: Amphetamine 250 ng/ml Methamphetamine 250 ng/ml MDMA 250 ng/ml MDA 250 ng/ml MDEA 250 ng/ml Barbiturates 300 ng/ml Benzodiazepines 300 ng/ml Cocaine Metabolite 100 ng/ml Opiates 2000 ng/ml 6MAM 10 ng/ml Phencyclidine 25 ng/ml Marijuana Metabolite 15 ng/ml Methadone 300 ng/ml Propoxyphene 300 ng/▇▇ ▇. ▇▇▇▇▇▇ and retain all positive specimens for at least twelve (12) months after testing.