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The following acronyms and abbreviations are taken from the Washington State Dangerous Waste Regulations - Chapter 173–303 WAC Exit Ecology, and the federal Hazardous Waste Regulations - 49 Code of Federal Regulations:
AHW - acute hazardous waste
ASTM - American Society for Testing Materials
CFR - Code of Federal Regulations
DOD - Department of Defense
DOT - Department of Transportation
° C - degrees Celsius
DW - dangerous waste
EHW - extremely hazardous waste
EP - extraction procedure test method
EPA - Environmental Protection Agency
° F - degrees Fahrenheit
g - gram
HOC - halogenated organic compound
IARC - International Agency for Research on Cancer
kg - kilogram (one thousand grams)
kPa –kilopascal (pressure)
L - liter
lb - pound
LC50 - median lethal concentration
LD50 - median lethal dose
M - molar (gram molecular weights per liter of solution)
mg - milligram (one thousandth of a gram)
NFPA - National Fire Protection Association
NIOSH - National Institute for Occupational Safety and Health
PAH - polycyclic aromatic hydrocarbon
pH - negative logarithm of the hydrogen ion concentration
POTW - publicly owned treatment works
ppm - parts per million (weight/weight)
RCRA - Resource Conservation and Recovery Act
RCW - Revised Code of Washington
TCLP - Toxicity Characteristic Leaching Procedure test method
TSD or TSDR facility - treatment, storage, disposal or recycling facility
UFC - Uniform Fire Code
WAC - Washington Administrative Code
% - percent
# - number
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Last updated 07/05/08