National Occupational Health Services
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DOT Drug Screens
NOHS complies with the federal regulations of 49 CFR Part 40 as written by the U.S. government. All of our technicians are DOT certified for collection practices. The lab and the chain of custody forms also follow the government standards as stated in 49 CFR Part 40. Random, follow-up, reasonable cause, return to duty and pre-employment testing services are available.
