API 1612 : 1996

GUIDANCE DOCUMENT FOR THE DISCHARGE OF PETROLEUM DISTRIBUTION TERMINAL EFFLUENTS TO PUBLICLY OWNED TREATMENT WORKS

American Petroleum Institute

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SECTION 1 - POTW CHARACTERISTICS
1.1 Introduction
1.2 Components of a POTW System
      1.2.1 POTW Sewer System Components
      1.2.2 Typical Wastewater Treatment System
              components
1.3 Performance Requirements of POTWS
      1.3.1 Concentration Limits
      1.3.2 Flow Limits
1.4 Operating Limits of POTWs
      1.4.1 Flow Limitations
      1.4.2 Mass Loading Limitations
1.5 References Publications
SECTION 2 - PRETREATMENT REQUIREMENTS
2.1 Introduction
2.2 Pretreatment Programs
      2.2.1 EPA Regulations
      2.2.2 Objectives
2.3 Industrial User Classifications
      2.3.1 SIU Definition
      2.3.2 Typical Requirements for Nonsignificant
              Industrial Users
      2.3.3 Typical SIU Requirements
2.4 Development of Local Limits
2.5 Typical Pretreatment Requirements Likely to Affect
      Terminals
      2.5.1 POTW Connection
      2.5.2 Self-Monitoring
      2.5.3 Flow Control
      2.5.4 Waste Disposal
      2.5.5 Spill Prevention
      2.5.6 Pretreatment/Waste Minimization
      2.5.7 Fees
SECTION 3 - CHARACTERISTICS OF TERMINAL EFFLUENT
3.1 Introduction
3.2 Background on Petroleum Product Terminals
3.3 Terminal Effluent Sources
      3.3.1 Tank Bottom Water
      3.3.2 Stormwater
      3.3.3 Other Effluent Sources
3.4 Terminal Effluent Volumes
      3.4.1 Tank Bottom Water
      3.4.2 Stormwater
      3.4.3 Other Effluent Sources
3.5 Terminal Effluent Contaminants
3.6 Typical Terminal Effluent Composition
SECTION 4 - POTW CONCERNS
4.1 Introduction
4.2 Flammable Discharges
4.3 Contaminants
      4.3.1 Interference
      4.3.2 Pass-Through
      4.3.3 Sludge Contamination
4.4 Flow Loading
      4.4.1 Slug Loading
      4.4.2 Stormwater Discharge
      4.4.3 Timing of Discharge
4.5 Worker Exposure
SECTION 5 - RELATIONS WITH POTW MANAGEMENT
5.1 Introduction
5.2 Preparing for Permit Application
      5.2.1 Preliminary Steps
      5.2.2 Characterize Terminal Effluent
5.3 Applying for the Permit
      5.3.1 SIU Applications
      5.3.2 Requirements of Nonsignificant Industrial
              Users
      5.3.3 Discussions with POTW
      5.3.4 Legal Requirements
5.4 Connecting to the System
5.5 Maintaining the Relationship
      5.5.1 Permit Compliance
      5.5.2 Sampling and Analysis
      5.5.3 Reporting Changes in Discharge
SECTION 6 - TERMINAL PRETREATMENT OPTIONS
6.1 Introduction
6.2 Effluent Minimization
6.3 Discharge Control Methods
      6.3.1 Industrial Discharge Flow Control
      6.3.2 Flammable Liquid Discharge Safeguards
6.4 Monitoring Discharges
6.5 Effluent Treatment
SECTION 7 - ASSOCIATED COSTS
7.1 Introduction
7.2 Permit Compliance Costs
      7.2.1 Sampling and Laboratory Analysis
      7.2.2 Recordkeeping
7.3 User Costs
      7.3.1 Connection Fees
      7.3.2 Flow-Specific Fees
      7.3.3 Contaminant-Specific Fees
      7.3.4 High-Strength Surcharge
7.4 Pretreatment Costs
      7.4.1 Capital Costs
      7.4.2 Operating Costs
APPENDIX A - MASS BALANCE CALCULATIONS
APPENDIX B - PETROLEUM PRODUCT TERMINAL WASTEWATER
             CHARACTERIZATION DATA
Figures
1 Typical Municipal Wastewater Treatment Plant
      Process (With Issues Related to Terminals Noted)
2 Typical Treatment Plant Inflow Curves (Weekday,
      Residential, Conditions)
3 EPA-Approved State Pretreatment Program
4 Determination of Industrial User Classification
Tables
1 Examples of Terminal Effluent Contaminant Loadings
2 Safeguards Against Flammable Liquid Discharge
3 Steps to Alleviate Interference Concerns
4 Steps to Alleviate Pass-Through Concerns
5 Steps to Alleviate Sludge Contamination Centres
6 Steps to Alleviate Slug Loading Concerns
7 Steps to Alleviate Stormwater Discharge Concerns
8 Steps to Alleviate Timing of Discharge Concerns
9 Steps to Alleviate Worker Exposure Concerns
10 Oil-Contamination Reduction Techniques Reference
11 Treatment Process Selection
12 Representative Analytical Costs
B-1 Marketing Terminal Wastewater Concentrations from
      Tank Bottom Draws
B-2 Marketing Terminal Wastewater Concentrations for
      loading Rack Water
B-3 Marketing Terminal Wastewater Concentrations for
      Tank Containment Water
B-4 Marketing Terminal Wastewater Concentrations from
      Oil/Water Separator Effluents

Abstract

Provides relations with POTW personnel. POTW concerns in accepting terminals wastewater, pre-treatment regulations and local limits on the discharge of wastewaters to POTWs, and associated costs.