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Open-File Report 2007–1390

U.S. GEOLOGICAL SURVEY
Open-File Report 2007–1390

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Conversion Factors, Datums, and Abbreviations

Conversion Factors

Multiply By To obtain
millimeter (mm) 3.937 × 10-2 inch
centimeter (cm) 3.937 × 10-1 inch
meter (m) 3.281 foot (ft)
square kilometer (km2) 3.861 × 10-1 square mile
liter (L) 2.642 × 10-1 gallon
milligram (mg) 3.527 × 10-5 ounce, avoirdupois

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) by using the following equation:

(F=1.8 °C) + 32.

Datums

Vertical coordinate information is referenced to the North American Vertical Datum of 1929 (NAVD29).

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD83).

Abbreviations

Abbreviation Meaning
λ wavelength
µg microgram
µS/cm microSeimens per centimeter
ADEC Alaska Department of Environmental Conservation
ASC Alaska Science Center
Dis IT Dissolved incremental titration
Dis tot IT Dissolved total incremental titration
Dis fet Dissolved fixed-end titration
DOC Dissolved Organic Carbon
EMAP Environmental Monitoring and Assessment Program
ENRI Environmental Research Institute
ICP-AES Inductively coupled plasma-atomic emission spectrometric
ICP-MS Inductively coupled plasma-mass spectrometer
mL milliliter
NRP Nation Research Program
SUVA Specific Ultra Violet Absorbance
UAA University of Alaska, Anchorage
USEPA U.S. Environmental Protection Agency
USGS U.S. Geological Survey
UV Ultraviolet-Visible Light
UV-Vis Ultraviolet-Visible Light Absorption Analyses

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