Compliance em Recursos Naturais 13 itens
NPDES Offshore Produced Water Discharge Compliance
Este checklist está em inglês.
Verify compliance with the offshore oil and gas effluent limitations and NPDES permit conditions for produced water and drilling discharges.
Clean Water Act40 CFR 435NPDES
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Permit Coverage
- Is the facility covered by a current NPDES individual or general permit for offshore discharges? *
- Are all authorized discharge points (outfalls) identified and consistent with the permit? *
- Permit effective / expiration date on file. *
Produced Water Effluent Limits
- Is produced water oil and grease maintained within the daily maximum limit of 42 mg/L? *
- Is the produced water 30-day average oil and grease maintained at or below 29 mg/L? *
- Latest measured produced water oil and grease concentration (mg/L). *
Drilling Fluids and Cuttings
- Is there no discharge of free oil from drilling fluids and cuttings (static sheen test passing)? *
- Are synthetic-based mud cuttings compliant with retention-on-cuttings and sediment toxicity limits? *
- Is the discharge of diesel-based drilling fluids prohibited and verified? *
Monitoring, Sampling and Reporting
- Is sampling and analysis conducted at the frequency and by the methods specified in the permit? *
- Are Discharge Monitoring Reports (DMRs) submitted on time to the permitting authority? *
- Are permit exceedances reported and non-compliance events documented? *
- Are monitoring records retained for at least three years? *
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