Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 25 - STATE WATER CONTROL BOARD
Chapter 31 - VIRGINIA POLLUTANT DISCHARGE ELIMINATION SYSTEM (VPDES) PERMIT REGULATION
Part VI - Standards for the Use of Biosolids or Disposal of Sewage Sludge
Article 2 - Biosolids Applied to the Land
Section 9VAC25-31-570 - Frequency of monitoring
Current through Register Vol. 41, No. 3, September 23, 2024
A. Biosolids.
|
TABLE 1 FREQUENCY OF MONITORING--LAND APPLICATION |
|
|
Amount of biosolids* (metric tons per 365-day period) |
Frequency |
|
Greater than zero but less than 290 |
once per year |
|
Equal to or greater than 290 but less than 1,500 |
once per quarter (four times a year) |
|
Equal to or greater than 1,500 but less than 15,000 |
once per 60 days (six times per year) |
|
Equal to or greater than 15,000 |
once per month (12 times per year) |
|
*Either the amount of bulk biosolids applied to the land or the amount of biosolids prepared for sale or give-away in a bag or other container for application to the land (dry weight basis). |
|
B. Domestic septage. If either the pathogen requirements in 9VAC25-31-710 C 2 or the vector attraction reduction requirements in 9VAC25-31-720 B 12 are met when domestic septage is applied to agricultural land, forest, or a reclamation site, each container of domestic septage applied to the land shall be monitored for compliance with those requirements.
Statutory Authority: § 62.1-44.15 of the Code of Virginia; § 402 of the federal Clean Water Act; 40 CFR Parts 122, 123, 124, 403, and 503.
