Where can I find the various hazardous duty pay and environmental differentials?
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 the Hazardous Duty Pay FAQ page.
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/.