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DRUG ABUSE PREVENTION AND DETECTION <br /> APPENDIX A <br /> CUTOFF LEVELS <br /> SCREENING SCREENING CONFIRMATION CONFIRMATION <br /> DRUG METHOD LEVEL " METHOD LEVEL <br /> Alcohol EMIT 0.02% CG/MS 0.02% <br /> Amphetamines EMIT 1000 ng/m* CG/MS 500 ng/ml* <br /> Barbiturates EMIT 300 ng/ml CG/MS 200 ng/ml <br /> Benzodiazepines EMIT 300 ng/ml CG/MS 300 ng/ml <br /> Cocaine EMIT 300 ng/ml* CG/MS 150 ng/ml* <br /> Methadone EMIT 300 ng/ml CG/MS 100 ng/ml <br /> Methaqualone EMIT 300 ng/ml CG/MS 300 ng/ml <br /> Opiates EMIT 2000 ng/ml* CG/MS 2000 ng/ml* <br /> PCP (Phencyclidine) EMIT 25 ng/ml* CG/MS 25 ng/ml* <br /> THC (Marijuana) EMIT 50 ng/ml* CG/MS 15 ng/ml* <br /> Propoxyphene EMIT 300 ng/ml CG/MS 100 ng/ml <br /> * SAMHSA specified threshold <br /> ** A sample reported positive contains the Indicated drug at or above the cutoff level for <br /> that drug. A negative sample either contains no drug or contains a drug below the cutoff level. <br /> EMIT - Enzyme Immunoassay <br /> CC/MS - Gas Chromatography/Mass Spectrometry <br /> Coiity o Ana <br /> uncil Page 47 ofi$r 152 / 1 0 4 <br />