6 CRR-NY 231-12.4NY-CRR

OFFICIAL COMPILATION OF CODES, RULES AND REGULATIONS OF THE STATE OF NEW YORK
TITLE 6. DEPARTMENT OF ENVIRONMENTAL CONSERVATION
CHAPTER III. AIR RESOURCES
SUBCHAPTER A. PREVENTION AND CONTROL OF AIR CONTAMINATION AND AIR POLLUTION
PART 231. NEW SOURCE REVIEW FOR NEW AND MODIFIED FACILITIES
SUBPART 231-12. AMBIENT AIR QUALITY IMPACT ANALYSIS
6 CRR-NY 231-12.4
6 CRR-NY 231-12.4
231-12.4 Exemption and waiver from onsite (i.e., site specific) air quality monitoring.
(a) The department may exempt a proposed new or modified facility from the requirements of section 231-12.3 of this Subpart with respect to monitoring for a particular regulated NSR contaminant, if:
(1) the emissions increase of the regulated NSR contaminant from the proposed new or modified facility would cause, in any attainment area, air quality impacts less than the following deminimis monitoring levels:
Carbon Monoxide575 µg/m3, 8-hour average;
Nitrogen dioxide14 µg/m3, annual average;
Particulate matter (PM-10)10 µg/m3, 24-hr average;
PM-2.50µg/m3, 24-hr. average;
Sulfur dioxide 13 µg/m3, 24-hour average;
Ozone1see footnote
Elemental lead0.1 µg/m3, 3-month average;
Fluorides0.25 µg/m3, 24-hour average;
Total and reduced sulfur10 µg/m3, 1-hour average;
Hydrogen sulfide 0.2 µg/m3, 1-hour average; or
(2) the concentrations of the regulated NSR contaminant in the area that the facility would affect are less than the concentrations listed in paragraph (1) of this subdivision.
(b) In cases where the source impacts are above the deminimis monitoring levels of paragraph (a)(1) of this section, the department may waive the requirements of section 231-12.3 of this Subpart with respect to monitoring for a particular regulated NSR contaminant for which an applicant makes an acceptable showing that:
(1) representative existing ambient air monitoring data exists in the affected area and is of the quality and nature which demonstrates the current conditions of the area's air quality; or
(2) representative ambient air monitoring data exists from a prior time period which can be demonstrated to be conservative (i.e., higher) in establishing the current conditions of the area's air quality.

Footnotes

1
No deminimis air quality level is provided for ozone. However, any net increase of 100 tons per year or more of NOx or volatile organic compounds subject to Subpart 231-7 or Subpart 231-8 may be required to gather ambient air quality data according to the provisions of section 231-12.3.
6 CRR-NY 231-12.4
Current through February 15, 2022
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