API PUBL 337 : 1996

Executive summary
1 Introduction
     Background
     Objective
     Approach
     Report organization
2 Data from Southern California refineries
3 New screening data from Washington state refineries
4 Conclusions
     References
Appendix A - Statistical analysis of emission factors for leaks
             in refinery components in heavy liquid service
Appendix B - Tabulation of individual screening data at
             Washington refineries
     Figure
2.1 HL component leak rate distribution - refinery C1
2.2 HL component leak rate distribution - refinery C2
2.3 HL component leak rate distribution - refinery C3
2.4 HL component leak rate distribution - refinery C4
3.1a Leak rate distribution by component for refinery W1 -
     fittings
3.1b Leak rate distribution by component for refinery W1 -
     flange
3.1c Leak rate distribution by component for refinery W1 - pump
3.1d Leak rate distribution by component for refinery W1 -
     valve
3.1e Leak rate distribution by component for refinery W1 -
     aggregate
3.2a Leak rate distribution by component for refinery W2 -
     fittings
3.2b Leak rate distribution by component for refinery W2 -
     flange
3.2c Leak rate distribution by component for refinery W2 -
     pump
3.2d Leak rate distribution by component for refinery W2 -
     valve
3.2e Leak rate distribution by component for refinery W2 -
     aggregate
3.3 Comparison of the aggregate leak rate distribution for
     Southern California and Washington refineries
A.1 Distribution of emissions by quarter - refinery C1,
     Southern California data
A.2 Distribution of emissions by quarter - refinery C2,
     Southern California data
A.3 Illustration of the combined effect of stream type and
     temperature
     Table
ES.1 Emission factors for components in HL service
2.1 Correlation equations, default zero emission rates, and
     pegged emission rates used for emissions calculations
2.2 Average emission factors for components in Heavy Liquid
     service
3.1 Washington state test matrix
3.2 Component stream counts (Washington refineries)
3.3 Emission data by stream type (Washington refineries)
3.4 Emissions factors by component size (Washington refineries)
3.5 Emissions factors by temperature (Washington refineries)
3.6 Aggregate emissions factors by component type (Washington
     refineries)
A.1 Suggested heavy liquid service emission factors
A.2 Southern California refineries - simple average emission
     factors
A.3 Washington refineries - simple average emissions factors
A.4 Emission factors for reduced refinery C1 data
A.5 Emission factors for reduced refinery C2 data
A.6 Emission factors for Washington data by stream type
A.7 Aggregate emission factors for Southern California
     refineries
A.8 Aggregate emission factors for Washington refineries
A.9 Emission factors fpr combined Southern California and
     Washington data

Presents the results of a study to develop emission factors applicable to refinery components in heavy liquid (HL) service.