Human Resources and Security Specialists should use this tool to determine the correct investigation level for any covered position within the U.S. Federal Government.
Hazardous duty pay differentials are established under 5 CFR 550, appendix A to subpart I. You can find the Code of Federal Regulations on our web site at www.opm.gov/cfr/. Additional information about hazardous duty pay for GS employees can be found at www.opm.gov/oca/pay/html/hazduty.htm.
Pay administration rules for environmental differentials are found in 5 CFR 532.511. Environmental differential pay categories are listed in appendix A to subpart E of 5 CFR part 532. Additional information about environmental differentials for prevailing rate employees can be found at www.opm.gov/oca/wage/APPFUND/.
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