
Texas Alcohol and Drug Testing Service, Inc. provides a program designed
to comply with DOT Regulations 49 CFR Part 40.
§ 40.87 What are the cutoff concentrations for drug tests?
(a) As a laboratory, you must use the cutoff concentrations displayed in the following table for initial and confirmatory drug tests. All cutoff concentrations are expressed in nanograms per milliliter (ng/mL). The table follows:
| Initial test analyte | Initial test cutoff concentration |
Confirmatory test analyte |
Confirmatory test cutoff concentration |
| Marijuana Metabolite | 50 ng/mL | THCA (*1) | 15 ng/mL. |
| Cocaine Metabolites | 150 ng/m | Benzoylecgonine | 100 ng/mL |
| Opiate metabolite | |||
| Codeine/Morphine (*2) | 2000 ng/m | Codeine | 2000 ng/mL. |
| Morphine | 2000 ng/mL | ||
| 6–Acetylmorphin | 10 ng/m | 6–Acetylmorphin | 10 ng/mL |
| Phencyclidine | 25 ng/mL | Phencyclidine | 25 ng/mL |
| Amphetamines (*3) | |||
| AMP/MAMP (*4) | 500 ng/m | Amphetamine | 250 ng/mL |
| Methamphetamine (*5) | 250 ng/mL. | ||
| MDMA (*6) | 500 ng/m | MDMA | 250 ng/mL |
| MDA (*7) | 250 ng/mL | ||
| MDEA (*8) | 250 ng/m |
*1 - Delta-9-tetrahydrocannabinol-9-carboxylic acid (THCA).
*2 - Morphine is the target analyte for codeine/morphine testing.
*3 - Either a single initial test kit or multiple initial test kits may be used provided the single test kit detects each target analyte independently at the specified cutoff.
*4 - Methamphetamine is the target analyte for amphetamine/methamphetamine testing.
*5 - To be reported positive for methamphetamine, a specimen must also contain amphetamine at a concentration equal to or greater than 100 ng/mL.
*6 - Methylenedioxymethamphetamine (MDMA).
*7 - Methylenedioxyamphetamine (MDA).
*8 - Methylenedioxyethylamphetamine (MDEA)
(b) On an initial drug test, you must report a result below the cutoff concentration as negative. If the result is at or above the cutoff concentration, you must conduct a confirmation test.
(c) On a confirmation drug test, you must report a result below the cutoff concentration as negative and a result at or above the cutoff concentration as confirmed positive.
(d) You must report quantitative values for morphine or codeine at 15,000 ng/mL or above.
(e) On a 6–AM confirmed positive result:
(1) When a 6–AM confirmed positive result is reported and morphine for that specimen is not reported at or above the 2000 per ng/mL confirmed positive cutoff, you must confer with the MRO to determine if there was confirmed morphine below 2000 ng/mL.
(2) If morphine was not confirmed below 2000 ng/mL, you and the MRO must determine whether further testing is needed to quantify the amount of morphine concentration present.
(3) If you find no detectable morphine at LOD upon further testing, you must report that fact to ODAPC immediately.
[65 FR 79526, Dec. 19, 2000, as amended at 75 FR 49862, August 16, 2010]
| DOT MODE | Regulation requiring Random Testing | Who is subject to testing? |
|---|---|---|
| Federal Motor Carrier Safety Administration (FMCSA) | 49 CFR Part 382.305 |
All employers with drivers possessing a Commercial Drivers License (CDL), regardless of size, randomly test their CDL licensed drivers using a scientifically valid method. This includes Canadian and Mexican carriers whose drivers operate in the United States and who possess a Canadian CDL or a Licencia Federal de Conductor. |
| Federal Aviation Administration (FAA); | 14 CFR Part 121 Appendix I and J |
All Part 121 and Part 135 Certificate holders, an operator as defined in §135.1(c), or air traffic control facilities not operated by the FAA or by or under contract to the U.S. military comply with the anti-drug program regulations. Part 145 Repair Facilities are subject to these regulations. |
| Federal Railroad Administration (FRA) | 49 CFR Part 219 | All covered employees who have been assigned to perform service in the United States subject to the hours of service laws (49 U.S.C. ch. 211) during a duty tour. |
| Pipeline and Hazardous Materials Safety Administration (PHMSA) | 49 CFR Part 199 | All employees who perform an operations, maintenance, or emergency-response function regulated by part 192, 193, or 195 of this chapter that is performed on a pipeline or on an LNG facility. This includes all persons employed by operators, contractors engaged by operators, and persons employed by such contractors. |
| Federal Transit Administration (FTA) | 49 CFR Part 655 | All recipients and subrecipients receiving Federal assistance under (i) 49 U.S.C. 5307, 5309, or 5311; or (ii) 23 U.S.C. 103(e)(4) including contractors Safety Sensitive employees as defined by §655.4. |
| United States Coast Guard (USCG) | 46 CFR Part 16 | Marine employers shall establish programs for the chemical testing for dangerous drugs on a random basis of crewmembers on inspected vessels who: (1) Occupy a position, or perform the duties and functions of a position, required by the vessel 's Certificate of Inspection; (2) Perform the duties and functions of patrolmen or watchmen required by this chapter; or, (3) Are specifically assigned the duties of warning, mustering, assembling, assisting, or controlling the movement of passengers during emergencies. Marine employers shall establish programs for the chemical testing for dangerous drugs on a random basis of crewmembers on uninspected vessels who: (1) Are required by law or regulation to hold a license issued by the Coast Guard in order to perform their duties on the vessel; (2) Perform duties and functions directly related to the safe operation of the vessel; (3) Perform the duties and functions of patrolmen or watchmen required by this chapter; or, (4) Are specifically assigned the duties of warning, mustering, assembling, assisting, or controlling the movement of passengers during emergencies. |
As a new hire, you are required to submit to a drug test. Employers may, but are not required to, conduct alcohol testing after your employer receives a negative drug test result (and negative alcohol test result - if administered) may you begin performing safety-sensitive functions. This also applies if you are a current employee transferring from a non-safety-sensitive function into a safety-sensitive position (even if it is the same employer).
You are required to submit to any test (whether drug, alcohol or both) that a supervisor requests based on reasonable suspicion. Reasonable suspicion means that one or more trained supervisors reasonably believes or suspects that you are under the influence of drugs or alcohol. They cannot require testing based on a hunch or guess alone; their suspicion must be based on observations concerning your appearance, behavior, speech and smell that are usually associated with drug or alcohol use.
You are subject to unannounced random drug & alcohol testing. Alcohol testing is administered just prior to, during or just after performing safety-sensitive functions. Depending on the industry specific regulations, you may only be subject to random drug testing.
No manager, supervisor, official or agent may select you for testing just because they want to. Under DOT regulations, employers must use a truly random selection process. Each employee must have an equal chance to be selected and tested.
Just prior to the testing event, you will be notified of your selection and provided enough time to stop performing your safety sensitive function and report to the testing location. Failure to show for a test or interfering with the testing process can be considered a refusal.
If you are involved in an event (accident, crash, etc.) meeting certain criteria of the DOT agency, a post-accident test will be required. You will then have to take a drug test and an alcohol test. You are required to remain available for this testing and are not permitted to refuse testing.
Remember: Safety-sensitive employees are obligated by law to submit to and cooperate in drug & alcohol testing mandated by DOT regulations.
If you have violated the prohibited drug & alcohol rules, you are required to take a drug and/or alcohol test before returning to safety-sensitive functions for any DOT regulated employer. You are subject to unannounced follow-up testing at least 6 times in the first 12 months following your return to active safety-sensitive service.
The amount of follow-up testing you receive is determined by a Substance Abuse Professional (SAP) and may continue for up to 5 years. This means the SAP will determine how many times you will be tested (at least 6 times in the first year), for how long, and for what substance (i.e. drugs, alcohol, or both). Your employer is responsible for ensuring that follow-up testing is conducted and completed, and your employer may have a policy that all follow-up tests are collected under direct observation. Follow-up testing is in addition to all other DOT required testing.
* USCG & PHMSA do not perform random alcohol tests.The DOT performs alcohol testing in a manner to ensure the validity of the testing as well as provide confidentiality of the employee’s testing information.
At the start of the test, a Screening Test Technician (STT) or a Breath Alcohol Technician (BAT), using only a DOT-approved device, will:Leaving the testing area without authorization may be considered a refusal to test.
All DOT alcohol tests are documented with a form with the words Department of Transportation at the top.
If you are instructed to submit to a DOT drug or alcohol test and you don’t agree with the reason or rationale for the test, take the test anyway. Don’t interfere with the testing process or refuse the test. After the test, express your concerns to your employer through a letter to your company’s dispute resolution office, by following an agreed upon labor grievance or other company procedures. You can also express your concerns to the appropriate DOT agency drug & alcohol program office. Whomever you decide to contact, please contact them as soon as possible after the test.
DOT regulations prohibit you from refusing a test. The following are some examples of conduct that the regulations define as refusing a test (See 49 CFR Part 40 Subpart I & Subpart N):
The following chart outlines the annual minimum drug and alcohol random testing rates established within DOT Agencies and the USCG for 2012: |
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| DOT Agency |
Random Drug Testing Rate | Random Alcohol Testing Rate |
| Federal Motor Carrier Safety Administration (FMCSA) |
50% | 10% |
| Federal Aviation Administration (FAA) |
25% | 10% |
| Federal Railroad Administration (FRA) |
25% | 10% |
| Federal Transit Administration (FTA) |
25% | 10% |
| Pipeline and Hazardous Materials Safety Administration (PHMSA) |
25% | Not Applicable |
| United States Coast Guard (USCG) |
50% | Not Applicable |
| NOTE: Employers (and C/TPAs) subject to more than one DOT Agency drug and alcohol testing rule may continue to combine covered employees into a single random selection pool. However, companies (and C/TPAs) doing so must test at or above the highest minimum annual random testing rates established by the DOT Agencies under whose jurisdiction they fall. For example, an employer having both FMCSA- and FRA-covered employees in one pool must test, as a minimum rate, 50% for drugs and 10% for alcohol. PHMSA- and USCG-regulated employees should not to be placed in random alcohol testing pools. Contact the appropriate DOT Agency for additional clarification. Please note that USCG covered employees may be combined with DOT covered employees in drug testing pools even though the USCG is part of the Department of Homeland Security. |
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