Pennsylvania Code
Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

• No statutes or acts will be found at this website.

The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 488 (January 27, 2024).

25 Pa. Code § 250.202. Establishing background concentrations.

§ 250.202. Establishing background concentrations.

 (a)  Background concentrations shall be established based on a site characterization, as set forth in §  250.204(a)—(e) (relating to final report).

 (b)  The background concentrations shall be established using analysis of samples of regulated substances present at the property but not related to any release at the property. If all areas on the property are affected by a release, background shall be determined at points off the property in accordance with §  250.204(f)(7) and (8).

 (c)  Background concentrations shall be established by a methodology that is statistically valid and consistent with the methodology used to demonstrate attainment under Subchapter G (relating to demonstration of attainment).

Cross References

   This section cited in 25 Pa. Code §  271.1 (relating to definitions); and 25 Pa. Code §  287.1 (relating to definitions).


No part of the information on this site may be reproduced for profit or sold for profit.


This material has been drawn directly from the official Pennsylvania Code full text database. Due to the limitations of HTML or differences in display capabilities of different browsers, this version may differ slightly from the official printed version.