Alert: Due to routine maintenance on the OSHA website, some pages may be temporarily unavailable.
To report an emergency, file a complaint with OSHA or ask a safety and health question, call 1-800-321-6742 (OSHA).

Directorate of Technical Support and
Emergency Management

The Directorate of Technical Support and Emergency Management (DTSEM) includes offices located in the National Office along with the Salt Lake and Cincinnati Technical Centers. DTSEM provides special expertise in a number of areas to ensure that OSHA's capabilities are state-of-the-art with regard to occupational safety and health. These areas include:

  • industrial hygiene,
  • safety engineering,
  • occupational medicine and nursing,
  • sample analysis and equipment calibration and repair,
  • emergency preparedness and response,
  • ergonomics,
  • statistical analysis, and
  • technical data services.

Experts in these areas are used by the Agency to supplement other program staff by providing specialized technical expertise and advice. The wide range of expertise and services available in DTSEM results in our being involved in every major program area of the Agency, as well as in compliance assistance and outreach activities. Implementation of our Directorate's programs provides support, service, and solutions for the rest of OSHA.

Director and Office Information

Contact Us

  • U.S. Department of Labor/OSHA - DTSEM
  • 200 Constitution Ave., N.W., Room N3653
  • Washington, DC 20210
  • (202) 693-2300

Selected OSHA Products and Publications

DTSEM led the development of the following OSHA resources:

DTSEM Programs

  • Blood Lead Laboratories

    Provides updated guidance on how to evaluate employers’ use of clinical laboratories for employee blood lead testing under the general industry [Lead Standard] (29 CFR 1910.1025(j)(2)(iii)) and the construction Lead Standard (29 CFR 1926.62(j)(2)(iii)).

  • Chemical Exposure Health Data

    Represents records of the Salt Lake Technical Center sampling information system from 1984 forward. Includes data on personal, area, and bulk samples for various airborne contaminants.

  • Emergency Preparedness and Response

    Provides information on how to prepare and train for emergencies and the hazards to be aware of when an emergency occurs.

  • Graduate Nurse Internship Program

    Eight week internship that blends current OSHA projects and issues with the theoretical bases of the intern's academic study into a practical occupational safety and health experience at the national level.

  • Injury and Illness Recordkeeping and Reporting Requirements

    Discusses OSHA's recordkeeping requirements and provides information on how to prepare and maintani records of serious occupational injuries and illnesses, using the OSHA 300 Log.

  • National Advisory Committee on Occupational Safety & Health

    Advises the secretaries of labor and health and human services on occupational safety and health programs and policies.

  • Nationally Recognized Testing Laboratories (NRTL)

    Recognizes private sector organizations to perform certification for certain products to ensure that they meet the requirements of both the construction and general industry OSHA electrical standards.

  • Occupational Chemical Database

    OSHA's premier one-stop shop for occupational chemical information. It compiles information from several government agencies and organizations. It includes chemical identification and physical properties, exposure limits, sampling information, and additional resources.

  • Occupational Medicine Resident Elective

    Eight week training rotation that provides an opportunity to see how occupational health policy is developed and applied at the national level and enhance their knowledge of workplace safety and health programs.

  • Technical Data Center

    Provides a full range of professional reference and research services primarily to OSHA employees throughout the nation who rely upon the Center to maintain and locate materials to support their research.

  • Variances

    A variance is a regulatory action that permits an employer to deviate from the requirements of an OSHA standard under specified conditions.