ABBREVIATIONS
COT
Committee on Toxicology
EPA
U.S. Environmental Protection Agency
IRIS
Integrated Risk Information System
HEAST
Health Effects Assessment Summary Tables
NAAQS
National Ambient Air Quality Standard
NAF
Naval Air Facility
NEHC
Navy Environmental Health Center
NRC
National Research Council
PM2.5
particulate matter less than 2.5 micrometers in aerodynamic diameter
PM10
particulate matter less than 10 micrometers in aerodynamic diameter
QA-QC
quality assurance and quality control
RBSC
risk-based screening concentrations
RfC
reference concentration
RfD
reference dose
RME
reasonable maximum exposed