15A NCAC 18C .1534       COLIFORM SAMPLING

(a)  The provisions of 40 C.F.R. 141.21 are hereby incorporated by reference including any subsequent amendments and editions.  Copies are available for public inspection as set forth in Rule .0102 of this Subchapter.  The provisions are incorporated with the following exceptions:

(1)           the provision of 40 C.F.R. 141.21(a)(2) concerning the reduction of monitoring frequency for community water systems serving 25 to 1,000 persons is not adopted;

(2)           the provision of 40 C.F.R. 141.21(b)(3) concerning collection of large volume repeat samples in containers of any size is not adopted; and

(3)           the provision of 40 C.F.R. 141.21(c)(2) concerning waiver of the 24‑hour limit for re‑sampling is not adopted.

(b)  An adjacent water system shall submit samples monthly from each section of the water system supplied from a separate source.  The minimum number of samples each month per section is based on the population served by the section and shall be determined by the table in 40 C.F.R. 141.21(a)(2).

 

History Note:        Authority G.S. 130A‑315; P.L. 93‑523; 40 C.F.R. 141.21;

Eff. January 1, 1991;

Amended Eff. April 1, 2014; February 1, 1992;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. November 23, 2015.