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E. The test results from the HHS certified laboratory will be reported to a Medical Review Officer. A <br />Medical Review Officer (MRO) is a licensed physician with detailed knowledge of substance abuse <br />disorders and drug testing. The MRO will review the test results to ensure the scientific validity of the <br />test and to determine whether there is a legitimate medical explanation for a confirmed positive, <br />substitute, or adulterated test result. The MRO will attempt to contact the employee to notify the <br />employee of the non -negative laboratory result, and provide the employee with an opportunity to explain <br />the confirmed laboratory test result. The MRO will subsequently review the employee's medical <br />history/medical records as appropriate to determine whether there is a legitimate medical explanation for <br />a non -negative laboratory result. If no legitimate medical explanation is found, the test will be verified <br />positive or refusal to test and reported to Cabarrus County. If a legitimate explanation is found, the <br />MRO will report the test result as negative <br />A blood, urine, saliva, breath, or other sample that, after initial testing, does not reveal the presence of a <br />controlled substance at or above the threshold values designated by SAMHSA or an alcohol content <br />level below 0.04% shall be considered to have tested negative, and no further testing may be done on <br />that sample. For a DOT drug test the verified presence of the identified drug or its metabolite below the <br />minimum levels specified in 49CFR Part 40, as amended, and the specimen is a valid specimen shall be <br />considered to have tested negative. A DOT regulated alcohol or drug test may only use urine, saliva, and <br />breath sample. <br />G. A blood, urine, saliva, breath, or other sample that, after confirmatory testing, does reveal the presence <br />of a controlled substance at or above the threshold values designated by SAMHSA or an alcohol level at <br />or above 0.04% shall be considered to have tested positive. An employee with a confirmed alcohol test <br />result of between 0.02% and 0.039% will be deemed unfit to perform his or her duties and sent home. <br />For a DOT dmg teat the verified presence of the identified drug or its metabolite at or above the minimum levels <br />specified in 49CFR Part 40, as amended, shall be considered to have tested positive. A DOT regulated alcohol or <br />drug test may only use urine, saliva, and breath sample. <br />10 <br />Attachment number 1 \n <br />F-5 Page 65 <br />