3M reaches $10.3 billion settlement over PFAS contamination, page 12
August 2023
The Groundwater
NGWA
Association
®
Alternative
Drilling Fluids
for Deep,
Large Wells
Gyp-lime fluids can aid
when drilling certain
types of wells, page 20
Also:
Protecting Margins and
Generating Revenue,
page 30
Misconceptions of the
Ascending Groundwater
Workforce, page 34
