 |
Virginia Administrative Code (Last Updated: January 10, 2017) |
 |
Title 1. Administration |
|
Agency 30. Department of General Services |
|
Chapter 41. Regulation for the Certification of Laboratories Analyzing Drinking Water |
Section 440. Analytical methodology
-
A. Drinking water laboratories shall meet the sampling and analytical methodology requirements incorporated by reference into 1VAC30-41-55 for microbiology and alternative testing methods for microbiology.
B. Drinking water laboratories shall meet the requirements of Chapter V, Section 5 of the Manual and the Manual Supplement to Chapter V, Section 5 of the Manual unless these requirements conflict with the requirements specified in subsection A of this section.
C. A drinking water laboratory shall perform a minimum of 20 coliform analyses monthly by each coliform method for which it is certified in order to maintain certification status or qualify for initial certification. The minimum number of coliform analyses (20) may be performed on a variety of water sample types collected from different stages of the water treatment process, raw source water, and surface or ground water, as well as drinking water samples collected from a distribution system or private wells.
Historical Notes
Derived from Volume 30, Issue 14, eff. May 1, 2014.