40 CFR 147.3009 - Area of review.
The area of review shall be defined as follows:
(a) Class II wells. The area of review for Class II permits and area permits shall be defined by a fixed radius as described in § 146.6(b) (1) and (2) of this chapter except that the radius shall be one-half mile.
(b) Class I and III wells. The area of review for Class I and III wells are well fields which may be either:
(2) An area one-quarter mile from the well or well field where the well field production at the times exceeds injection to produce a net withdrawal; or
(3) A suitable distance, not less than one-quarter mile, proposed by the owner or operator and approved by the Director based upon a mathematical calculation such as that found in § 146.6(a)(2) of this chapter.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.