Sec. 231-13.3. Table 3—Significant project thresholds, significant net emission increase thresholds, and offset ratios for ozone nonattainment areas and the ozone transport region  


Latest version.
  • Area/Contaminant ClassificationSignificant Project Threshold (tpy)Significant Net Emission Increase Threshold (tpy)Offset Ratio
    Marginal, Moderate, or Ozone Transport Region
    VOC4040At least 1.15:1
    NOx4040At least 1.15:1
    Severe
    VOC2.5>25At least 1.3:1
    NOx2.5>25At least 1.3:1
    _____
    project emission potential threshold.