Pennsylvania Code › Title 25 - ENVIRONMENTAL PROTECTION › Part I - Department of Environmental Protection › Subpart D - Environmental Health and Safety › Article VI - General Health and Safety › Chapter 245 - ADMINISTRATION OF THE STORAGE TANK AND SPILL PREVENTION PROGRAM › Subchapter D - CORRECTIVE ACTION PROCESS FOR OWNERS AND OPERATORS OF STORAGE TANKS AND STORAGE TANK FACILITIES AND OTHER RESPONSIBLE PARTIES › Section 245.312 - Remedial action

Current through Register Vol. 54, No. 28, July 13, 2024
(a) Upon
						reasonable notice by the Department to the responsible party, or upon approval
						of the remedial action plan by the Department, the responsible party shall
						implement the remedial action plan, or a portion of the remedial action plan,
						according to the schedule contained therein.
(b) During implementation of the remedial
						action plan, remedial action progress reports shall be submitted to the
						Department quarterly or at an alternative interval as determined by the
						Department.
(c) Each remedial
						action progress report shall provide the data generated during the reporting
						period and shall show the progress to date toward attainment of the selected
						remediation standard. Each report shall be complete and concisely organized and
						shall contain the following elements, as necessary, based on the nature,
						extent, type, volume or complexity of the release:
(1) A summary of site operations and remedial
						progress made during the reporting period.
(2) Data collected from monitoring and
						recovery wells showing depth to groundwater and thickness and horizontal extent
						of free product.
(3) Groundwater
						contour maps depicting groundwater flow direction.
(4) Quantitative analytical results from
						replacement water supply system, groundwater, surface water, soil and sediment
						sampling.
(5) Maps for all media
						and all phases at specified times that indicate the distribution of
						concentrations of regulated substances.
(6) For fate and transport analyses, the
						following information, in addition to that required by §
													250.204(f)(5) 
						(relating to final report):
(i) An
						isoconcentration map showing the configuration and concentrations of
						contaminants within the plume being analyzed.
(ii) Sufficient information from monitoring
						data to establish whether the plume is stable, shrinking or
						expanding.
(iii) Input parameters
						for the analysis and the rationale for their selection.
(iv) Figures showing the orientation of the
						model or analysis to the field data.
(v) Comparison and analysis of the model or
						mathematical output to the actual field data.
(7) Reporting period and cumulative amounts
						of free product recovered, groundwater treated, and soil and sediment treated
						or disposed.
(8) Treatment and
						disposal documentation for waste generated during the reporting
						period.
(9) Demonstration that
						required Federal, State and local permits and approvals are being complied
						with.
(10) A summary of data
						collected from any water supply that remains affected or diminished, and any
						maintenance performed.
(11) A
						report of additional items necessary to describe the progress of the remedial
						action.