The list of us post acronyms and abbreviations.

All us post related acronyms and abbreviations.

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16
OSHA:
Occupational Safety and Health Administration(Mechanical sealing)
14
RCRA:
Resource Conservation and Recovery Act(Agriculture, Energy, US Post)
8
CAA:
Clean Air Act(Metropolitan planning, Transportation planning)
6
CWA:
Clean Water Act(Agriculture, Insurance, US Post)
3
FR:
Federal Register(Disability, US Post, Postal)
2
EMS:
Environmental Management Systems(US Post, Postal, Science)
2
UST:
Underground Storage Tank(Agriculture, Insurance, US Post)
1
HEPA:
High Efficiency Particulate Air(US Post, Postal, Architectural)
1
NPDES:
National Pollution Discharge Elimination System(Water, US Post, Postal)
1
TSCA:
Toxic Substance Control Act(US Post, Postal, Science)
0
AFV:
Alternative Fuel Vehicle(Energy, US Post, Postal)
0
ATP:
Authority to Proceed(US Post, Postal, Science)
0
CIH:
Certified Industrial Hygienist(Insurance, US Post, Postal)
0
FEHB:
Federal Employee Health Benefits(US Post, Postal, Science)
0
FMM:
Financial Management Manual(US Post, Postal, Science)
0
IDLH:
Immediately Dangerous to Life or Health(US Post, Postal, Science)
0
IDS:
Integrated Data System(US Post, Postal, Science)
0
LD:
Lethal Dose(Veterinary, US Post, Postal)
0
NCR:
Non-Compliance Report(US Post, Postal, Science)
0
OPF:
Official Personnel File(US Post, Postal, Science)
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ChicagoSmart Define. 2017. "us post" http://smartdefine.org/us_post/abbreviations/r/Science (accessed September 20, 2026).
HarvardSmart Define 2017, us post, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/us_post/abbreviations/r/Science>.
MLASmart Define. "us post" 16 June 2017. Web. 20 September 2026. <http://smartdefine.org/us_post/abbreviations/r/Science>