Appendix A: List of acronyms
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ANSI
-
American National Standards Institute
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APHA
-
American Public Health Association
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ASTM
-
ASTM International (formerly American Society for Testing and Materials)
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AWWA
-
American Water Works Association
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CDBP
-
chlorinated disinfection by-product
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DDT
-
dichlorodiphenyltrichloroethane
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EPA
-
Environmental Protection Agency (U.S.)
-
FAU
-
formazin attenuation unit
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FNU
-
formazin nephelometric unit
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GLI
-
GLI International (formerly Great Lakes Instruments)
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GUDI
-
groundwater under the direct influence of surface water
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GW
-
groundwater
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HAA
-
haloacetic acid
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HBTL
-
health-based treatment limit
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HPC
-
heterotrophic plate count
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IESWTR
-
Interim Enhanced Surface Water Treatment Rule
-
ISO
-
International Organization for Standardization
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LT1ESWTR
-
Long Term 1 Enhanced Surface Water Treatment Rule
-
LT2ESWTR
-
Long Term 2 Enhanced Surface Water Treatment Rule
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MEC
-
Microorganism Elimination Credit
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NSF
-
NSF International
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NTU
-
nephelometric turbidity unit
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PSW
-
Partnership for Safe Water
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QA/QC
-
quality assurance and quality control
-
SCC
-
Standards Council of Canada
-
SW
-
surface water
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SWTR
-
Surface Water Treatment Rule
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THM
-
trihalomethane
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UV
-
ultraviolet
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WEF
-
Water Environment Federation
