Underground Injection Control (UIC)

Reporting Unwitnessed Mechanical Integrity Tests for Underground Injection

It is, and has been, the policy of Region 5 to witness mechanical integrity testing to the extent practicable. Tests for which a mechanical, digital or third-party record is produced may be conducted without an Agency witness when it proves impossible to resolve scheduling conflicts with both the USEPA contract inspectors and the regional technical staff.

This form and its instructions explain how to conduct testing without an USEPA representative being present.

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