§ 245.453. Assessing the site at closure or change-in-service.
(a) Before permanent closure or a change-in-service is completed, owners and operators shall measure for the presence of a release where contamination is most likely to be present at the underground storage tank site. Owners and operators shall sample for releases. Sampling may be accomplished in a manner consistent with the Department technical document entitled ‘‘Closure Requirements for Underground Storage Tank Systems’’ or in a manner at least as protective of public health and safety and the environment and which meets all statutory and regulatory requirements.
(b) If contaminated soils, contaminated groundwater or free product as a liquid or vapor is discovered under subsection (a), or by another manner, owners and operators shall begin corrective action in accordance with Subchapter D (relating to corrective action process for owners and operators of storage tanks and storage tank facilities and other responsible parties).
Source The provisions of this § 245.453 amended November 9, 2007, effective November 10, 2007, 37 Pa.B. 5979. Immediately preceding text appears at serial page (317235).
Cross References This section cited in 25 Pa. Code § 245.422 (relating to upgrading of existing underground storage tank systems); 25 Pa. Code § 245.441 (relating to general requirements for underground storage tank systems); 25 Pa. Code § 245.451 (relating to temporary removal from service (out-of-service)); 25 Pa. Code § 245.452 (relating to permanent closure and changes-in-service); and 25 Pa. Code § 245.455 (relating to closure records).
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