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  2. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    Urine drug test kits are available as on-site tests, or laboratory analysis. Urinalysis is the most common test type and used by federally mandated drug testing programs and is considered the Gold Standard of drug testing. Urine based tests have been upheld in most courts for more than 30 years.

  3. United States Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/United_States...

    The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. [2] President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order . [ 3 ]

  4. Toxic Substances Control Act of 1976 - Wikipedia

    en.wikipedia.org/wiki/Toxic_Substances_Control...

    The TSCA is found in United States law at Title 15 of the United States Code, Chapter 53, [14] and administered by EPA. Title of the TSCA, "Control of Toxic Substances," is the original substance of the 1976 act, establishes the core program, including regulation of polychlorinated biphenyl (PCB) products and bans certain activities with ...

  5. Toxicology - Wikipedia

    en.wikipedia.org/wiki/Toxicology

    A toxicologist working in a lab (United States, 2008)Toxicology is a scientific discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms [1] and the practice of diagnosing and treating exposures to toxins and toxicants.

  6. EPA Methods - Wikipedia

    en.wikipedia.org/wiki/EPA_Methods

    The United States Environmental Protection Agency (EPA) maintains and approves test methods, which are approved procedures for measuring the presence and concentration of physical, chemical and biological contaminants; evaluating properties, such as toxic properties, of chemical substances; or measuring the effects of substances under various conditions.

  7. Toxicity class - Wikipedia

    en.wikipedia.org/wiki/Toxicity_class

    The United States Environmental Protection Agency (EPA) uses four toxicity classes in its toxicity category rating. Classes I to III are required to carry a signal word on the label. Pesticides are regulated in the United States primarily by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA).

  8. Toxicology testing - Wikipedia

    en.wikipedia.org/wiki/Toxicology_testing

    U.S. Army Public Health Center Toxicology Lab technician assessing samples. Toxicology testing, also known as safety assessment, or toxicity testing, is the process of determining the degree to which a substance of interest negatively impacts the normal biological functions of an organism, given a certain exposure duration, route of exposure, and substance concentration.

  9. Food and Drug Administration - Wikipedia

    en.wikipedia.org/wiki/Food_and_Drug_Administration

    The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services.The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, prescription and over-the-counter pharmaceutical drugs (medications), vaccines ...