Conversion Factors, Datum, and Abbreviations


Inch/Pound to SI


Multiply	By	To obtain
Length
foot (ft)	0.3048	meter (m)
mile (mi)	1.609	kilometer (km)
yard (yd)	0.9144	meter (m)
Flow rate
cubic foot per second (ft3/s)	0.02832	cubic meter per second (m3/s)




Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88).


Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83).


Altitude, as used in this report, refers to distance above the vertical datum.


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


Abbreviations 


EWEB	Eugene Water and Electric Board
GIS	Geographic information systems
HBSL	Health-based screening levels
HPLC	High performance liquid chromatography
LRL	Labortory reporting level
LT-MDL	Long-term detection limit
MCL	Maximum contaminent levels
NWQL	National Water Quality Laboratory
PAN	Pesticide Action Network
RAWS	Remote automated weather station
USEPA	U.S. Environmental Protection Agency
USGS	U.S. Geological Survey

First posted May 30, 2012