Glossary

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  • ACP

    Acyl Carrier Protein

  • ACPA

    American Concrete Pipe Association

  • ACPE

    Accreditation Council for Pharmacy Education

  • ACPM

    American College of Preventive Medicine

  • ACR

    American College of Rheumatology

  • ACR

    American College of Radiology

  • ACRA (ORA)

    Associate Commissioner for Regulatory Affairs (ORA)

  • ACRPI

    Association of Clinical Research for the Pharmaceutical Industry

  • ACS

    American Chemical Society

  • ACS

    Acrylonitrile Chlorinated Polyethylene-Styrene Terpolymer

  • ACS

    Automated Commercial System (United States Customs)

  • ACSM

    American College of Sports Medicine

  • ACT

    AIDS Clinical Trials

  • ACT

    Applied Clinical Trials

  • ACTB (NCTR)

    Analytical Chemical Techniques Branch (NCTR)

  • ACTH

    Adrenocorticotropic Hormone

  • Actin

    One of the two contractile proteins in muscle (the other being myosin). Actin is also found in the microfilaments that form part of the cytoskeleton of all cells.

  • Action Letter

    An official FDA communication that informs an NDA or BLA sponsor of a decision by the agency. An approval letter allows commercial marketing of the product.

  • Action Level

    A requirement set by the user, which, when exceeded, requires immediate intervention, including the investigation of cause, and corrective action.

  • Action Level

    Levels or ranges (actual attribute values) that, when exceeded, indicate that a process has drifted from its normal operating range. Exceeding an Action Level indicates that corrective action should be taken to bring the process back into its normal operating range.

  • Action Level

    In general, the level of a pollutant (contaminant) at which specified actions or counter measures are to be taken. Also, a level of exposure at which the employer must initiate some actions such as medical monitoring and training. The action level is generally set at 50% of the Permissible Exposure Limit (PEL).

  • Action Level

    Levels or ranges (actual attribute values) that, when exceeded, indicate that a process has drifted from its normal operating range. Exceeding an Action Level indicates that corrective action should be taken to bring the process back into its normal operating range.

  • Action Level (general)

    Level set by the user in the context of controlled environments, which, when exceeded, requires immediate intervention, including the investigation of cause, and corrective action.

  • Action Level (microbiological)

    Microbiological level set by the user in the context of controlled environments which, when exceeded, requires immediate intervention, including investigation of cause, and corrective action.

  • Action Limit

    (ICH Q6B) An internal (in-house) value used to assess the consistency of the process at less critical steps.