PART Performance Assessment Rating Tool

PASS Personal alert safety system

PEL Permissible Exposure Limit Permissible Exposure LimitPermissible Exposure Limit

PPE Personal protective equipment

PPS Probability proportional to size

PPT Personal protective technology Personal protective technologyPersonal protective technology

QCEW Quarterly Census of Employment Quarterly Census of EmploymentQuarterly Census of Employment

R2P Research to practice Research to practiceResearch to practice

RSE Relative standard error Relative standard errorRelative standard error

SAR Supplied-air respirator Supplied-air respiratorSupplied-air respirator

SCBA Self-contained breathing apparatus Self-contained breathing apparatusSelf-contained breathing apparatus

SENSOR Sentinel Event Notification System forSentinel Event Notification System for Occupational Risks

SIC Standard Industrial ClassificationStandard Industrial Classification

SLAITS State and Local Area Integrated TelephoneState and Local Area Integrated Telephone Survey

SMG Statistical Methodology GroupStatistical Methodology Group

SOII Survey of Occupational Injuries and IllnessesSurvey of Occupational Injuries and Illnesses

SRUP Survey of Respirator Use and Practice

SUE Sample Unit Extract

TEI Target Estimation Industry Target Estimation IndustryTarget Estimation Industry

TIL Total inward leakage Total inward leakageTotal inward leakage

TLV Threshold Limit Value Threshold Limit ValueThreshold Limit Value

UDB Universe Database Universe DatabaseUniverse Database

UI Unemployment insurance Unemployment insuranceUnemployment insurance

WHASS Workplace Health and Safety SurveyWorkplace Health and Safety Survey

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