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Data Series 286

Data Series 286

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Conversion Factors, Water-Quality Units, and Abbreviations and Acronyms

Conversion Factors

Multiply By To obtain
centimeter (cm) 0.3937 inch (in.)
cubic meter (m3) 264.2 gallon (gal)
cubic meter per day (m3/d) 264.2 gallon per day (gal/d)
gram (g) 0.03527 ounce, avoirdupois (oz)
kilogram (kg) 2.205 pound avoirdupois (lb)
liter (L) 1.057 quart (qt)
liter (L) 61.02 cubic inch (in3)
millimeter (mm) 0.03937 inch (in.)
meter (m) 3.281 foot (ft)
meter (m) 1.094 yard (yd)
square centimeter (cm2) 0.1550 square inch (ft2)

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


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


Water-Quality Units

Water-Quality Units Definition
cm/s centimeter per second
g gram
mg milligram
mg/mL milligram per milliliter
mL/min milliliter per minute
mm2 square millimeter
mM milli Molar
ng nanogram
ng/µL nanogram per microliter
nm nanometer
pg/µL picogram per microliter
µg microgram
µg/kg microgram per kilogram
µg/L microgram per liter
µg/mL microgram per milliliter
µL microliter
µm micrometer
µM micro Molar

Abbreviations and Acronyms

Abbreviations and Acronyms Meaning
BDE brominated diphenyl ethers
Dalton unified atomic mass
eV electron volt, one electron volt equals 1.60217646 × 10-19 joules
ECNI electron-capture negative ion
EI electron ionization
FSCC fused-silica capillary column
GPC gel permeation chromatographic
GSI gonadosomatic index
HBSS Hank’s balanced salt solution
kV killovolts
KIU/mL Kallikrein inhibitory units per milliliter
m/z mass of a molecule to its electric charge ratio
PAH poly aromatic hydrocarbons
PCB polychlorinated biphenyls
torr millimeters of mercury
µA microampere
Vtg vitellogenin
v/v volume-to-volume dilution

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