Texas SIP: 30 TAC 116.01: General Definitions [definition of "De minimis impact"]; SIP effective 1997.10.20 TXc102
Regulatory Text:
SUBCHAPTER A : DEFINITIONS
§116.010. General Definitions
(Approved by EPA 08/19/97 (62 FR 44087) at 52.2270(c)(102) effective 10/20/97.)
102C De minimis impact - A change in ground level concentration of an air contaminant as a result of the operation of any new major stationary source or of the operation of any existing source which has undergone a major modification, which does not exceed the following specified amounts.
AIR CONTAMINANT | ANNUAL | 24-HOUR | 8-HOUR | 3-HOUR | 1-HOUR |
---|---|---|---|---|---|
Inhalable Particulate Matter (PM10) |
1.0 µg/m3 |
5 µg/m3 | - | - | - |
Sulfur Dioxide | 1.0 µg/m3 |
5 µg/m3 | - | 25 µg/m3 | - |
Nitrogen Dioxide | 1.0 µg/m3 |
- | - | - | - |
Carbon Monoxide | - | - | 0.5 mg/m3 |
- | 2 mg/m3 |
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