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REGULATION FOR THE MANDATORY REPORTING OF GREENHOUSE GAS EMISSIONS - page 134 / 137

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(j) Gas Service Components Fugitive Emission Factors

The information presented in Table 14 is provided for use with section 95113(c)(4) as part of the method to determine fugitive methane emissions from fuel gas systems.

Table 14. Gas Service Components Fugitive Emissions

Component Type /

Default Zero Factor

Service Type

(kg/hr)

Zfi0

Pegged Factor (kg/hr)

10,000

100,000

ppmv

ppmv

(SV > 9,999)

(SV> 99,999)

PFiP-10

PFiP-100

Correlation Equation

(kg/hr)

σi and βi

Valves (1)

7.8 x 10-6

2.27 x 10-6(SV)0.747

0.064

0.138

Pump seals (2)

1.9 x 10-5

5.07 x 10-5(SV)0.622

0.089

0.610

Others (3)

4.0 x 10-6

8.69 x 10-6(SV)0.642

0.082

0.138

Connectors (4)

7.5 x 10-6

1.53 x 10-6(SV)0.736

0.030

0.034

Flanges (5)

3.1 x 10-7

4.53 x 10-6(SV)0.706

0.095

0.095

Open-ended lines (6)

2.0 x 10-6

1.90 x 10-6(SV)0.724

0.033

0.082

Source: California Implementation Guidelines for Estimating Mass Emissions of Fugitive Hydrocarbon Leaks at Petroleum Facilities, February 1999, California Air Pollution Control Officers Association (CAPCOA) and California Air Resources Board

Appendix A-18

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