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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 31. Virginia Pollutant Discharge Elimination System (VPDES) Permit Regulation
12/21/2024

9VAC25-31-490. Sampling and analysis.

A. Representative samples of biosolids that is applied to the land, or placed on a surface disposal site shall be collected and analyzed.

B. Methods in the materials listed below or in 40 CFR Part 136 shall be used to analyze samples of biosolids and calculation procedures in the materials shall be used to calculate the percent volatile solids reduction for biosolids.

1. Enteric viruses.

ASTM Designation: D 4994-89, "Standard Practice for Recovery of Viruses From Wastewater Sludges," Annual Book of ASTM Standards: Section 11 - Water and Environmental Technology, ASTM, Philadelphia, PA., 1992.

2. Fecal coliform.

Part 9221 E. or Part 9222 D., "Standard Methods for the Examination of Water and Wastewater," 18th Edition, American Public Health Association, Washington, D.C., 1992.

3. Helminth ova.

Yanko, W.A., "Occurrence of Pathogens in Distribution and Marketing Municipal Sludges," EPA 600/1-87-014, 1987. PB 88-154273/AS, National Technical Information Service, Springfield, Virginia.

4. Inorganic pollutants.

"Test Methods for Evaluating Solid Waste, Physical/Chemical Methods," EPA Publication SW-846, Third Edition as amended by Final Updates I, II, IIA, IIB, III, IIIA, IIIB, IVA and IVB. PB88-239223, National Technical Information Service, Springfield, Virginia.

5. Salmonella sp. bacteria.

Part 9260 D., "Standard Methods for the Examination of Water and Wastewater," 18th Edition, American Public Health Association, Washington, D.C., 1992; or

Kenner, B.A. and H.P. Clark, "Detection and enumeration of Salmonella and Pseudomonas aeruginosa," J. Water Pollution Control Federation, 46(9):2163-2171, 1974.

6. Specific oxygen uptake rate.

Part 2710 B., "Standard Methods for the Examination of Water and Wastewater," 18th Edition, American Public Health Association, Washington, D.C., 1992.

7. Total, fixed, and volatile solids.

Part 2540 G., "Standard Methods for the Examination of Water and Wastewater," 18th Edition, American Public Health Association, Washington, D.C., 1992.

8. Percent volatile solids reduction calculation.

"Environmental Regulations and Technology - Control of Pathogens and Vector Attraction in Sewage Sludge," EPA-625/R-92/013, U.S. Environmental Protection Agency, Cincinnati, Ohio, Revised July 2003.

Statutory Authority

§ 62.1-44.15 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 12, Issue 20, eff. July 24, 1996; amended, Virginia Register Volume 28, Issue 10, eff. February 15, 2012; Volume 29, Issue 24, eff. September 1, 2013.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

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