Sec. 231-13.4. Table 4—Significant project thresholds, significant net emission increase thresholds, and offset ratios for PM nonattainment areas

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Area/Contaminant Classification	Significant Project Threshold (tpy)	Significant Net Emission Increase Threshold (tpy)	Offset Ratio
Moderate
PM-10	15	15	At least 1:1
No classification
PM-2.5	10	10	At least 1:1

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both filterable and condensable fractions are to be included (see definitions of PM-10 and PM-2.5 in Part 200 of this Title).

project emission potential threshold.

                    
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