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Citation |
Lund AK, Preusser DF, Blomberg RD, Williams AF. J. Forensic Sci. 1988; 33(3): 648-661. |
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Affiliation |
Insurance Institute for Highway Safety, Washington, DC. |
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Copyright |
(Copyright © 1988, American Society for Testing and Materials, Publisher John Wiley and Sons) |
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DOI |
unavailable |
PMID |
3385377 |
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Abstract |
Blood or urine samples or both were obtained from 317 of 359 randomly selected tractor-trailer drivers asked to participate in a driver health survey conducted at a truck weighing station on Interstate 40 in Tennessee. Altogether, 29% of the drivers had evidence of alcohol, marijuana, cocaine, prescription or nonprescription stimulants, or some combination of these, in either blood or urine. Cannabinoids were found in 15% of the drivers' blood or urine; nonprescription stimulants such as phenylpropanolamine were found in 12%; prescription stimulants such as amphetamine were found in 5%; cocaine metabolites were found in 2%; and alcohol was found in less than 1%. These results provide the first objective information about the use of potentially abusive drugs by tractor-trailer drivers. The extent of driver impairment attributable to the observed drugs is uncertain because of the complex relationship between performance and drug concentrations. Language: en |