From RP 1162: Acronyms and Abbreviations
For the purposes of this document, the following acronyms and abbreviations apply.
CFR – Code of Federal Regulations
GIS – geographic information system
HCA – high consequence area
IDLH – immediately dangerous to life and health
LEPC – Local Emergency Planning Committee
NAICS – North American Industry Classification System
NAPSR – National Association of Pipeline Safety Representatives
NPMS – National Pipeline Mapping System
PDCA – Plan–Do–Check–Act
PHMSA – Pipeline and Hazardous Materials Safety Administration
PIMMA – Pipeline Information Mapping Management Application
PSA – public service announcement
ROW – right of way
SDS – safety data sheet
SIC – Standard Industrial Classification
USPS – United States Postal Service
From RP 1162:Terms and Definitions
The following terms and definitions apply to the recommended practice.