Cross Contamination The movement of underground contaminants from one level or area to another due to invasive subsurface activities. Cross-Connection ...
Drilling Fluid- Fluid used to lubricate the bit and convey drill cuttings to the surface with rotary drilling equipment. Usually composed of bentonite slurry or muddy water. Can become contaminated, leading to cross contamination, ...
See also: Lakes, Landfill, Gas, Mining, Penetration
 
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