Scientific Investigations Report 2006–5236

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5236

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Conversion Factors, Datums, and Abbreviations, Acronyms, and Symbols

Conversion Factors

Multiply By To obtain
inch (in.) 25.4 millimeter
foot (ft) 0.3048 meter
foot squared per day (ft2/d) 0.09290 meter squared per day
gallon (gal) 3.785 liter
mile (mi) 1.609 kilometer
million gallons (Mgal) 3,785 × 106 liter
million gallons per year (Mgal/yr) 3,785 × 106 liter per year
picocurie per liter (pCi/L) 0.037 becquerel per liter
picocurie per milliliter (pCi/mL) 0.037 becquerel per milliliter
pound, avoirdupois (lb) 0.4536 kilogram
pound per year (lb/yr) 0.4536 kilogram per year
square mile (mi2) 2.590 square kilometer
ton per year (ton/yr) 0.9072 metric ton per year

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

°F=(1.8×°C)+32

Datums

Vertical coordinate information is referenced to the North American Vertical Datum of 1929 (NAVD 29).

Horizontal coordinate information is referenced to the North American Datum of 1927 (NAD 27).

Transmissivity: The standard unit for transmissivity is cubic foot per day per square foot times foot of aquifer thickness [(ft3/d)/ft2]ft. In this report, the mathematically reduced form, foot squared per day (ft2/d), is used for convenience.

Abbreviations, Acronyms, and Symbols

Abbreviations, Acronyms, and Symbols Definition
Ci Curie
CFA Central Facilities Area
DOE U.S. Department of Energy
INEEL Idaho National Engineering and Environmental Laboratory (1997-2005)
INEL Idaho National Engineering Laboratory (1974-97)
INL Idaho National Laboratory
INTEC Idaho Nuclear Technology and Engineering Center
LRL laboratory reporting level
LT-MDL long-term method detection level
mg/L milligram per liter
MRL minimum reporting level
NRTS National Reactor Testing Station (from 1949-74)
NWIS National Water Information System (USGS)
NWQL National Water Quality Laboratory
pCi/L picocurie per liter
pCi/mL picocurie per milliliter
RESL Radiological and Environmental Sciences Laboratory
RTC Reactor Technology Complex
RWMC Radioactive Waste Management Complex
s sample standard deviation
SDA Subsurface Disposal Area
SWP Sanitary-waste pond
TAN Test Area North
TRA Test Reactor Area
µg/L microgram per liter
USGS U.S. Geological Survey
VOC volatile organic compound
< less than
± plus or minus

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