QALY

quality adjusted life-year

QSAR

quantitative structure-activity relationship

RFD

reference dose

RFLP

(PCR) restriction fragment length polymorphism

RNA

ribonucleic acid

rRNA

ribosomal RNA

SAB

Science Advisory Board (EPA)

SAR

structure-activity relationship

SDWA

Safe Drinking Water Act

SDWIS

Safe Drinking Water Information System

SIX

Shiga toxin

TCID

tissue culture infectious dose

TIGR

Institute for Genomic Research

UCM

unregulatored contaminant monitoring

UCMR

Unregulated Contaminant Monitoring Regulation (Rule)

USGS

U.S. Geological Survey

VAR

virulence-activity relationship

VFAR

virulence-factor activity relationship

WMG

“Waterborne Microbial Genomics” project