The owner or operator of a Class I injection well is required to comply with the testing and monitoring requirements defined in the Underground Injection Control (UIC) regulations (40 CFR 146.68). Do these requirements include a provision for monitoring g
Ground water quality monitoring may be required if there is a possibility of fluids moving into or between underground sources of drinking water (USDW). The decision to require this monitoring is based on a site specific assessment of the well or injection zone and the potential value of monitoring wells to detect such movement (40 CFR 146.8(e)).
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