N.Y. Comp. Codes R. & Regs. tit. 6, § 231-13.6
| Contaminant | Significant Project Threshold1/ Significant Net Emission Increase Threshold |
| Carbon monoxide | 100 tpy |
| Nitrogen oxides | 40 tpy |
| Sulfur dioxide | 40 tpy |
| Particulate matter | 25 tpy |
| Particulate matter: PM-10 emissions2 | 15 tpy |
| Particulate matter: PM-2.5 emissions2 | 10 tpy |
| Precursors: | |
| NOx | 40 tpy |
| SO2 | 40 tpy |
| Ozone: as VOCs or NOx | 40 tpy |
| Lead (elemental) | 0.6 tpy |
| Fluorides | 3 tpy |
| Sulfuric acid mist | 7 tpy |
| Hydrogen sulfide (H2S) | 10 tpy |
| Total reduced sulfur (including H2S) | 10 tpy |
| Reduced sulfur compounds (including H2S) | 10 tpy |
| Municipal waste combustor organics (measured as total tetra through octa-chlorinated dibenzo-p-dioxin and dibenzofurans) | 3.2 × 10-6 megagrams per year (3.5 × 10-6 tpy) |
| Municipal waste combustor metals (measured as particulate matter) | 14 megagrams per year (15 tpy) |
| Municipal waste combustor acid gases (measured as sulfur dioxide and hydrogen chloride) | 36 megagrams per year (40 tpy) |
| Municipal solid waste landfills emissions (measured as nonmethane organic compounds) | 45 megagrams per year (50 tpy) |
| Greenhouse gases | Any increase and 75,000 tpy3, 4 |
| Any other regulated NSR contaminant | Any increase |
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1 project emission potential threshold.
2 both filterable and condensable fractions are to be included (see definitions of PM-10 and PM-2.5 in Part 200 of this Title).
3 measured as CO2 equivalents.
4 – values only represent the Significant Project Threshold as netting is not allowed for greenhouse gases.