Section 250.404. Pathway identification and elimination

(a) The person shall use Department-approved EPA or ASTM guidance to identify any potential current and future exposure pathways for both human receptors and environmental receptors identified in § 250.402 (relating to human health and environmental protection goals).

(b) The person shall summarize pathways for current land use and any probable future land use separately in the site-specific remedial investigation report.

(c) If no exposure pathway exists, and no remedy is required to be proposed and completed, the following apply:

(1) The remedial investigation report shall contain information necessary to determine that no current or future exposure pathway exists.

(2) A risk assessment, including an ecological risk assessment, and cleanup plan are not required.

(3) The remedial investigation report and the final report may be submitted simultaneously.

(d) Prior to performing a risk assessment as required in § 250.405 (relating to when to perform a risk assessment), the person may take into account the effect of engineering and institutional controls in eliminating pathways identified in subsection (b) and include this evaluation in the remedial investigation report.

Notation

Cross References

This section cited in 25 Pa. Code § 245.310 (relating to site characterization report); 25 Pa. Code § 250.403 (relating to use of groundwater); and 25 Pa. Code § 250.405 (relating to when to perform a risk assessment).