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Office of the Assistant Secretary for Policy (OASP)

Evaluation of OSHA's Site Specific Targeting Program


The purpose of this project is to test the impact of High Rate Letters (HRL) and inspections on injury/illness rates and compliance for establishments on the Primary and Secondary Lists of the Occupational Safety and Health Administration (OSHA) Site Specific Targeting Program (SST). The program targets establishments based on their reported injury/illness rates, using two types of interventions:

  • High Rate Letter — This letter informs employers they are among workplaces with high injury/illness rates, urges them to take corrective action, and informs them of available OSHA resources. All establishments chosen for the program receive the High Rate Letter.
  • Inspections — OSHA Area Offices conduct inspections of employers with the highest injury/illness rates to determine whether they are in compliance with OSHA workplace safety and health standards.

Each year, OSHA uses data from the OSHA Data Initiative (ODI) survey to calculate site-specific injury/illness and identifies sites to which OSHA will send the high rate letter.

Key Information

The period of performance of this evaluation is 36 months ending September 2014. The overall budget for the evaluation is $475,000. The evaluation contractor is IMPAQ International. For more information on this evaluation please contact Celeste Richie at