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REGULATION FOR THE MANDATORY REPORTING OF GREENHOUSE GAS EMISSIONS - page 69 / 137

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i = component type (1 = valve, 2 = pump seal, 3 = other, 4 = connector, 5 = flange, 6 = open-ended line) C C i = n u m b e r o f i c o m p o n e n t s w h e r e S V = 0 Z F i 0 = z e r o V O C e m i s s i o n f a c t o r ( k g / h r ) f o r c o m p o n e (see Appendix A, Table 14) t = time (hours) since last screening n t i

b. Leaking Components – Use of Correlation Equation. Operators shall choose one of the following emission calculation pathways for leaking components based on local air district rules applicable at the facility.

For facilities located in air districts which authorize the use of correlation equations for screening values between background and 9,999 ppmv, the operator shall use the following method for these components and the pegged component method found in section 95113(c)(4)(A)(3)(c) for components pegged over 9,999 ppmv.

For facilities located in air districts which authorize the use of correlation equations for screening values between background and 99,999 ppmv, the operator shall use the following method for these components and the pegged component method found in section 95113(c)(4)(A)(3)(d) for components pegged over 99,999 ppmv.

6

n

=

(σi * SVnβi) * t

i=1

n=1

EVOCL-C

Where: EVOCL-C = leaking components VOC emissions (kg/screening period) i = component type (1=valve, 2=pump seal, 3=others, 4=connector, 5=flange, 6=open ended-line) n = number of i components σi = correlation equation coefficient for component type i (see Appendix A, Table 14) SVn = screening value for component n βi = correlation equation exponent for component type i (see Appendix A, Table 14) t = time (hours) component has been leaking – default value is time from last screening

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