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5. All non -negative (positive) specimens will be retained frozen in a locked <br />facility at the testing laboratory for one (1) year. The retained specimens <br />will be available should the results of that test be disputed or should <br />arbitration or litigation arise out of the actions taken because of the test <br />results. <br />6. On a periodic basis, BCRC will submit blind pre -tested urine samples with <br />appropriate documentation to the drug -testing laboratory as a means of <br />assuring itself of laboratory proficiency. <br />The drug -testing program will test for the following drugs at these levels: <br />Ana Xte Initial Screening __ ____ Cop f r,matorytest <br />Amphetamines <br />500 ng/mL <br />250 ng/mL <br />Cocaine <br />150 ng/mL <br />100 ng/mL <br />Marijuana <br />50 ng/mL <br />15 ng/mL <br />Opiates (Codeine/Morphine)2000 <br />ng/mL <br />2000 ng/mL <br />6-Acetylmorphine (Heroine) <br />10 ng/mL <br />10 ng/mL <br />Phencyclidine <br />25 ng/mL <br />25 ng/mL <br />Barbiturates <br />300 ng/mL <br />200 ng/mL <br />Benzodiazepines <br />300 ng/rnL <br />200 ng/mL <br />Methadone <br />300 ng/mL <br />200 ng/mL <br />Propoxyphene <br />300 ng/mL <br />200 ng/mL <br />MDA-Analogues (Ecstasy) <br />500 ng/mL <br />250 ng/mL <br />