ADD	Average Daily Dose
AT	Averaging Time
BW	Body Weight
C	Concentration
CSF	Cancer Slope Factor
ED	Exposure Duration
EF	Exposure Frequency
HQ	Hazard Quotient
IR	Ingestion/Inhalation Rate
IUR	Inhalation Unit Risk
LADD	Lifetime Average Daily Dose
LCR	Lifetime Cancer Risk
LOD	Limit of Detection
LOQ	Limit of Quantification
RfD	Reference Dose