Glossary of Common Terms

Glossary of Common Terms


A specimen that contains a substance that is not expected to be present in human urine or contains a substance expected to be present but at a concentration so high that it is not consistent with human urine


Breath Alcohol Technician

Cancelled Test

A drug or alcohol test with a problem identified that cannot be or has not been corrected or that otherwise must be cancelled. A test may only be cancelled by the MRO. A cancelled test is neither positive nor negative.


A person who instructs and assists individuals at a collection site

Designated Employee Representative (DER)

Designated Employer Representative is the authorized company representative who causes the employees to be removed from safety-sensitive functions. This person must be contacted for positive identification of the donor, reporting positive alcohol tests, no shows, or other collection problems.


Any person employed by the Company or by a contractor working on Company property, whether in a full- or part-time position, and includes office and managerial staff. In the case of Employees working for a contractor, reference herein to the Company shall be deemed to refer to or include the contractor as appropriate.

Fitness for Duty

A state (physical, mental, and emotional) that allows the individual to perform assigned tasks competently and in a manner that does not compromise or threaten the safety or health of that individual or others. Final determination of what constitutes “fit for duty” for any specific task will lie in the sole discretion of the principal employer, manager, or supervisor using the guidelines provided by this program and, where applicable and appropriate, other available assessment procedures.


An event that intentionally or unintentionally causes, or could have caused a near miss, injury, or damage.

U.S. Department of Transportation (DOT)

Includes six operating administrations: Federal Motor Carrier Safety Administration (FMCSA), Federal Aviation Administration (FAA), Federal Railroad Administration (FRA), Federal Transit Administration (FTA), Pipeline and Hazardous Materials Safety Administration (PHMSA), and United States Coast Guard (USCG).

Monitored Collection

When a monitor who is the same gender as the donor or a medical professional (e.g., doctor or nurse) does not watch the employee urinate into the collection container, while in the washroom stall area, listens for sounds or making observations to suggest if the donor is attempting to adulate the specimen, and ensures that the donor returns to the collector immediately with his/her collection container. Monitors do not touch the collection container.

Medical Review Officer (MRO)

A licensed physician who is certified to review, verify, and report test results to the employer.

Medical Review Officer Assistant (MROA)

An assistant who is under the direct supervision of a Medical Review Officer who performs administrative functions in reviewing test results.

Observed Testing

When an observer of the same gender as the donor watches urine leave the donor’s body and enter the specimen bottle.


A positive alcohol test means a blood alcohol concentration equal to or greater than 0.02 grams of alcohol in 100 milliliters of blood. A blood alcohol concentration that is confirmed at 0.04 grams of alcohol per 100 milliliters of blood will be considered a violation of the program. A positive drug test means that the quantitative levels in the body of a drug (excluding alcohol) are over the approved cut-off levels as set out by the U.S. and Canadian Federal Governments and monitored by the Substance Abuse and Mental Health Services Administration, HHS laboratories.

Safety-Sensitive Position

A position in which a state of incapacity due to drug impairment could result in direct and significant risk of injury to the incapacitated individual, others, company property and/or the environment. These positions depend on alertness, quickness of response, soundness of judgment, and accuracy of coordination of multiple muscle functions and have a direct role in an operation where inappropriate performance of the task could result in harm to oneself, coworkers, invitees, property, or the environment. This definition includes all individuals who are required to rotate through or within a safety-sensitive area.

Substance Abuse Professional (SAP)

A licensed physician, licensed or certified social worker, psychologist, or employee assistance professional who is involved in the return-to-duty process. A SAP is responsible for determining whether or not an Employee has a Drug dependency or abuse problem and needs assistance to overcome such problem.