Part VI - Standards for the Use of Biosolids or Disposal of Sewage Sludge

State Regulations
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Article 1 - General Requirements (§ 9VAC25-31-420 to 9VAC25-31-500)
Article 2 - Biosolids Applied to the Land (§ 9VAC25-31-505 to 9VAC25-31-590)
Article 3 - Surface Disposal (§ 9VAC25-31-600 to 9VAC25-31-680)
Article 4 - Pathogens and Vector Attraction Reduction (§ 9VAC25-31-690 to 9VAC25-31-720)

The following state regulations pages link to this page.

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.