Section 131.3. Ambient air quality standards

The following standards apply and, unless otherwise stated, are maximum values that may not be exceeded:

	Concentrations Averaged Over
Contaminant	1-Year	30-Days	24-Hours	1-Hour
Settled particulate (total)	.8 mg./cm.2/mo.	1.5 mg./cm.2/mo.	—	—
Beryllium	—	.01 µg./m.3	—	—
Fluorides (total soluble, as HF)	—	—	5 µg./m.3	—
Hydrogen sulfide	—	—	.005 p.p.m.	.1 p.p.m.

The provisions of this § 131.3 adopted September 10, 1971, effective September 11, 1971, 1 Pa.B. 1804; amended March 3, 1972, effective March 20, 1972, 2 Pa.B. 383; amended August 12, 1983, effective August 13, 1983, 13 Pa.B. 2478; amended September 4, 1998, effective September 5, 1998, 28 Pa.B. 4525. Immediately preceding text appears at serial pages (233605) to (233606).

Notation

Cross References

This section cited in 25 Pa. Code § 131.2 (relating to National Ambient Air Quality Standards); 25 Pa. Code § 131.4 (relating to application of ambient air quality standards); 25 Pa. Code § 273.217 (relating to air resources protection); 25 Pa. Code § 277.217 (relating to air resources protection); 25 Pa. Code § 283.218 (relating to air resources protection); 25 Pa. Code § 288.217 (relating to air resources protection); 25 Pa. Code § 289.227 (relating to air resources protection); 25 Pa. Code § 290.411 (relating to storage impoundments—operating requirements); and 25 Pa. Code § 297.218 (relating to air resources protection).