Home > NRC Library > Document Collections > NRC Regulations (10 CFR) >Part Index > § 26.133 Cutoff levels for drugs and drug metabolites.
§ 26.133 Cutoff levels for drugs and drug metabolites.
Subject to the provisions of § 26.31(d)(3)(iii), licensees and other
entities may specify more stringent
cutoff levels for drugs and drug
metabolites than those in the table
below and, in such cases, may report
initial test results for only the more
stringent cutoff levels. Otherwise, the
following cutoff levels must be used for
initial testing of urine specimens to
determine whether they are negative for
the indicated drugs and drug
metabolites:
INITIAL TEST CUTOFF LEVELS FOR DRUGS AND DRUG METABOLITES
Drug or metabolites | Cutoff level [nanograms (ng)/mL] |
---|---|
Marijuana metabolites | 50 |
Cocaine metabolites | 300 |
Opiate metabolites | 2000 |
Phencyclidine (PCP) | 25 |
Amphetamines | 1000 |
[73 FR 17205 Mar. 31, 2008]
Page Last Reviewed/Updated Wednesday, September 19, 2012