Scientific Investigations Report 2006–5290

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5290

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Conversion Factors and Abbreviations, Acronyms, and Symbols

Conversion Factors

Multiply By To obtain
cubic foot (ft3) 0.02832 cubic meter
foot (ft) 0.3048 meter
gallon (gal) 3.785 liter
gallon per minute (gal/min) 0.06309 liter per second
gallon per day (gal/d) 0.003785 cubic meter per day
inch of mercury at 60ºF (in Hg) 3.377 kilopascal
mile (mi) 1.609 kilometer
million gallons per day (Mgal/d) 0.04381 cubic meter per second
ounce, fluid (fl. Oz) 0.02957 liter
ounce, avoirdupois (oz) 28.35 gram
pound, avoirdupois (lb) 0.4536 kilogram

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows:

°F=(1.8×°C)+32

Temperature in degrees Fahrenheit (°F) may be converted to degrees Celsius (°C) as follows:

°C=(°F-32)/1.8

Specific conductance is given in microsiemens per centimeter at 25 degrees Celsius (µS/cm at 25°C).

Concentrations of chemical constituents in water are given in milligrams per liter (mg/L) or micrograms per liter (µg/L).

Concentrations of microorganisms in water are given in colony forming units per 100 milliliters (CFU/100mL).

Abbreviation, Acronym, or Symbol Meaning
ACFB Alplachicola-Chattahoochee-Flint study unit
ALBE Albemarle-Pamlico study unit
APHA American Public Health Association
CCYK Central Columbia Plateau–Yakima study unit
E. coli Escherichia coli
GAFL Georgia-Florida study unit
HPGW High Plains Ground Water study unit
KANA Kanawha study unit
LERI Lake Erie study unit
LSUS Lower Susquehanna study unit
LUS land-use studies
MAS major-aquifer studies
NAWQA National Water-Quality Assessment Program
NFM National Field Manual
NWIS National Water Information Services
OWML Ohio Water Microbiological Laboratory
OZRK Ozark Plateaus study unit
PODL Potomac-Delmarva study unit
PUGT Puget Sound Basin study unit
QA quality assurance
QC quality control
REDN Red River of the North study unit
SANJ San Joaquin study unit
SANT Santee study unit
SPLT South Platte study unit
SWQA source-water quality assessments
TENN lower and upper Tennessee study unit
TRIN Trinity study unit
UCOL Upper Colorado study unit
USEPA U.S. Environmental Protection Agency
USGS U.S. Geological Survey
USNK Upper Snake study unit
< less than
> greater than

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