01670nam 2200433 a 450 991069665290332120080609141900.0(CKB)5470000002380332(OCoLC)231401503(EXLCZ)99547000000238033220080609d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMotor carrier safety[electronic resource] improvements to drug testing programs could better identify illegal drug users and keep them off the road : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2008]iii, 68 pages digital, PDF fileTitle from title screen (viewed on June 5, 2008)."May 2008."Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548."GAO-08-600."Includes bibliographical references.Motor carrier safety Commercial vehicle industryEmployeesDrug testingUnited StatesTruck driversDrug testingUnited StatesDrug testingUnited StatesQuality controlTraffic safetyUnited StatesCommercial vehicle industryEmployeesDrug testingTruck driversDrug testingDrug testingQuality control.Traffic safetyGPOGPOBOOK9910696652903321Motor carrier safety3449571UNINA