Ozone-depleting substances scheduled for reduction and elimination under the provisions of the Montreal Protocol. The substance can exist alone or in a mixture.
any of a category of behavior-altering or addictive drugs, whose possession are restricted by law
Chemicals, drugs, or compounds of which the use and/or purchase is controlled by state or federal rules and regulations.
Any substance controlled by the Drug Enforcement Administration, Bureau of Alcohol, Tobacco and Firearms, or Food and Drug Administration by issuance of a certificate to user or not permitted by law to minors.
For the purpose of these guidelines, the terms “drugs†and “controlled substances†are interchangeable and have the same meaning. The DOT is testing for the following five controlled substances: marijuana (THC), cocaine, opiates, phencyclidine (PCP) and amphetamines (including methamphetamines).
A controlled substance is a drug or chemical whose manufacture, possession and use are regulated by a government. This may include Illegal drugs and Prescription medications (designated Controlled Drug in the United Kingdom). In the United States, the Drug Enforcement Administration is responsible for suppressing illegal drug use and distribution by enforcing the Controlled Substances Act.