4. ABBREVIATIONS
Abs
Absorbance
GLP
Good Laboratory Practice
NIST
National Institute of Standards and Technology
EPA
US Environmental Protection Agency
g/L
grams per liter (ppt)
µg/L
micrograms per liter (ppb)
mg/L
milligrams per liter (ppm)
mL
milliliter
HR
High Range
LR
Low Range
MR
Medium Range
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