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0 <br /> <br />initial cutoff levels shall be used when screening specimens to determine whether they are <br />negative for these five drugs or classes of drugs: <br />Marijuana metabolites 50 ng/ml <br />Cocaine metabolites 300 ng/ml <br />Opiate metabolites* 300 ng/ml <br />Phencyclidine 25 ng/ml <br />Amphetamines 1,000 ng/ml <br />*If immunoassay is specific for free morphine the initial test level is 25 ng/ml. If initial <br />testing results are negative, testing shall be discontinued, all samples destroyed and <br />records of the testing expunged from the Employee's file. Only specimens identified as <br />positive in the initial test shalt be confirmed using gas chromatography/mass <br />spectrometry (GC/MS) techniques at the fallowing listed cutoff values: <br />Marijuana Metabolitesl 15 ng/ml <br />Cocaine Metabolites2 150 ng/ml <br />Opiates <br />Morphine 300 ng/ml <br />Codeine 300 ng/ml <br />Phencyclidine 25 ng/ml <br />Amphetamines <br />Amphetamine 504 ng/ml <br />Methamphetamine3 500 ng/ml <br />If confirmatory testing results are negative all samples shall be destroyed and records of the testing <br />expunged from the Employee's file. <br />33.6 ALCOHOL TE5TING <br />1 Delta-9-tetrahydrocannabinaol-9-carboxylic acid <br />2 Benzoylecgonine <br />3 Specimen must also contain amphetamine at a concentration no greater that 200 ng/ml. <br />47