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" Case1:05-cv-00443-GI\/IS D0c0ment 3-5 Filed 06/28/2005 Page1 0f2 '
Appendix K

Case 1 :05-cv-00443-GI\/IS Document 3-5 Filed 06/28/2005 Page 2 of 2
` ‘ APPENDIX K
· - RVCM Average Calculation _
The rolling twelve (12) month weighted average will be determined as follows:
A 1) For a PVC batch manufactured record (already being done to comply with NESHAP)
I a) Method 107 sample analysis concentration result and I
b) Weight of the PVC batch on a dry solids basis
. 2) Record PVC batch result by date. `
A 3) Repeat steps (l) and (2) for all batches manufactured (products only)
. 4) Calculate a monthly weighted average based on the number of batches produced in that . s
month using the formula: . I -
a) MW AX = _§1 Pi (RVCMQ/QX where
P MWA = Monthly weighted average I · ‘
x = calendar month i.e., January, February, etc. - _ ,
` Il = total number of batches in month
P = average batch yield per product per year ·
RVCM = Method 107 sample analysis concentration
Q = Total monthly production - p f .
5) Calculate the rolling twelve (12) month weighted average at the end of each month utilizing
_ ‘ the previous.l2 month period of MWA(s) and Q(s) in the formula:
a) l2WAy=_§ Q j (MWA,)/Cy where -

l2WA =_Rolling 12 Month Weighted Average I e
y = previous 12 month period. ` ‘ `
in = total number of months back _
. . Q = Total monthly production A
1 MWA =·Monthly weighted average . .
C =_ Total production _ _