01915nam 2200445 a 450 991069639590332120071217160129.0(CKB)5470000002376868(OCoLC)184740838(EXLCZ)99547000000237686820071217d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMotor carrier safety[electronic resource] preliminary information on challenges to ensuring the integrity of drug testing programs : testimony before the Subcommittee on Highways and Transit, Committee on Transportation and Infrastructure, House of Representatives /statement of Katherine Siggerud[Washington, D.C.] :U.S. Govt. Accountability Office,[2007]19 pages digital, PDF fileTestimony ;GAO-08-220 TTitle from title screen (viewed on Dec. 11, 2007)."For release ... November 1, 2006."Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.Motor carrier safety Drug testingGovernment policyUnited StatesTrucksSafety regulationsUnited StatesTraffic safetyUnited StatesDrug testingGovernment policyTrucksSafety regulationsTraffic safetySiggerud Katherine1380643United States.Congress.House.Committee on Transportation and Infrastructure.Subcommittee on Highways and Transit.United States.Government Accountability Office.GPOGPOBOOK9910696395903321Motor carrier safety3490150UNINA