Oil and Gas Extraction Effluent Guidelines Documents for Synthetic Drilling Fluids and Coastal Facilities
- Clarification of Technology-based Sediment Toxicity and Biodegradation Limitations and Standards for Controlling Synthetic-Based Drilling Fluid Discharges (Memo) (pdf)
- Development Document for Final Effluent Limitations Guidelines and Standards for Synthetic-Based Drilling Fluids and other Non-Aqueous Drilling Fluids in the Oil and Gas Extraction Point Source Category (pdf)
- Development Document for Final Effluent Limitations Guidelines and Standards for the Coastal Subcategory of the Oil and Gas Extraction Point Source Category (pdf)