179 Neb. Admin. Code, ch. 17, § 006

Current through September 17, 2024

Section 179-17-006 - FILTRATION SAMPLING REQUIREMENTS

006.01 Monitoring Requirements for Systems Using Filtration Treatment

In addition to monitoring required by 179 NAC 13-007, a public water system subject to the requirements of 179 NAC 17 that provides conventional filtration treatment or direct filtration must conduct continuous monitoring of turbidity for each individual filter using an approved method in 179 NAC 13-007.01 and must calibrate turbidimeters using the procedure specified by the manufacturer and by using analytical test procedures contained in Technical Notes on Drinking Water Methods, EPA-600/R- 94-173, October 1994, which is incorporated herein by reference. This document is available from the National Technical Information Service, NTIS PB 95-104766, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, Virginia 22161. The toll-free number is 800-553-6847. The document may be inspected at the Department of Health and Human Services Regulation and Licensure, Public Health Assurance Division, 301 Centennial Mall South, Lincoln, NE 68509.

Systems must record the results of individual filter monitoring a minimum of every 15 minutes.

006.02 If there is a failure in the continuous turbidity monitoring equipment, the system must conduct grab sampling every four hours in lieu of continuous monitoring, but for no more than five working days following the failure of the equipment.

179 Neb. Admin. Code, ch. 17, § 006