API 347 : 1998

Executive Summary
Section 1 Introduction
Section 2 Test Methods
           Sampling Techniques
           Analytical Techniques
Section 3 Evaluation of Data Sets
           Selection of Data Set Locations
           Evaluation Procedures and Results
Section 4 Emission Test Results
Section 5 Example Emission Factor Calculations
Section 6 References
Appendices
A Sampling and Analytical Protocols
B Run-By-Run Emission Factors for the Twenty
           Data Sets Used to Calculate Overall Emission
           Factors
C Run-by-Run Emission Factors for the Thirteen Data
           Sets Excluded from the Overall Average Emission Factor
           Calculation
List of Tables
2-1 Hazardous Air Pollutants Measured in Samples
3-1 Summary of Data Sets
3-2 Summary of Data Sets Quality Ratings
4-1 Ratings Summary of Data Sets Used to Develop Factors
4-2 Control Efficiency Summary
4-3 HAP Control Efficiencies for Vapor Control Units at Gasoline
      Loading Racks
5-1 Uncontrolled VOC Emission Factors For Tank Trucks
5-2 Uncontrolled Gasoline Vapor HAP-To-VOC Content
5-3 HAP EFs for Carbon Adsorber Units at Submerged
      Loading Operations Using Dedicated Normal Service
5-4 HAP EFs or Carbon Adsorber Units at Submerged Loading
      Operations Using Vapor Balance Service
5-5 HAP Emission Rates for Example Case
List of Figures
4-1 Carbon Adsorber Unit Control Efficiencies
4-2 Thermal Oxidizer Control Efficiencies

Bulk gasoline terminals across the U.S. were tested for Hazard Air Pollutant at 33 sites, measuring from loading cargo tanks with a vapor control system.