Related links
(PDF) Technical protocol for evaluating natural attenuation
Alkalinity of the ground-water sample will be measured in the field by titrimetric analysis using. U.S. EPA-approved Hach. . Method 8221 (0 to 5,000 mg/L as
Learn more
COLLECTION OF WATER SAMPLES
These data are used for environmental and resource assessments by the USGS, other government agencies and scientific organizations, and the general public.
Learn more
GUIDELINES FOR FIELD-MEASURED 6.0 WATER-QUALITY
by FD Wilde 2008 the National Field Manual is the responsibility of all USGS water-quality field personnel. Normally, the point or points at which field measurements are
Learn more