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CSAT – Controlled Substance and Alcohol Testing

One of the Federal Motor Carrier Safety Administration’s requirements of obtaining a Motor Carrier Permit (MCP) is to comply with the Controlled Substance and Alcohol Testing (CSAT). If you are an employer, you must identify drivers who are using drugs or abusing alcohol while on the job. It is your responsibility to make sure they do not drive until they successfully complete a rehabilitation and return-to-duty program. If you are an owner operator, it is also mandatory for you to comply with the CSAT.

The testing includes a urine sample for drugs and a breath testing for alcohol. Circumstances where a test is a requirement:

– pre-employment testing;

– reasonable suspicion testing;

– post-accident testing;

– random testing.

If a driver is in violation of the regulations, it is mandatory for he or she to go through the return-to-duty program before operating a commercial vehicle again, along with follow-up testing for at least a year.

A refusal to submit to a test is a positive test result.

Controlled substances include marijuana, amphetamines, cocaine, opiates and PCP (Phencyclidine). Alcohol, while generally legal, must not be consumed while or within 4 hours prior to driving a commercial vehicle.


Let DOT Operating Authority help you comply with Controlled Substance and Alcohol Testing!

At DOT Operating Authority it is our pleasure to help trucking businesses comply with all possible regulations. We offer CSAT services at affordable prices and assist our clients in every way in obtaining or keeping their motor carrier permit. Don’t get nervous when the inspection is coming – DOT Operating Authority has everything taken care of for you!

We also help our clients in many other matters, starting with obtaining authority to operate and ending with filing various forms. Our professional staff knows every legal aspect of the trucking industry and offers great expertise.

Call us and let DOT Operating Authority help your business today!