Wis. Admin. Code NR 726.09
Closure documentation requirements
Cite as Wis. Admin. Code NR § 726.09
Closure documentation requirements.
(1) Case closure request form. A request for case closure shall be submitted on a form supplied by the agency and shall be accompanied by documentation that the criteria in s. NR 726.05 (1) to (8) are satisfied. One paper copy and one electronic copy of the complete closure request shall be submitted to the department, unless otherwise directed by the department. All information submitted shall be legible. Providing illegible information may result in a submittal being considered incomplete until corrected.
(2) General requirements. In order to demonstrate that applicable federal, state and local public health and environmental laws have been complied with, and to provide information on the location and nature of any residual contamination at the site or facility, the person who is requesting case closure shall submit all of the following information, that is applicable, as attachments to the case closure request, in the format that is specified in this subsection, and in the order that is specified in the form.
(a) Documentation showing that site investigation requirements in ch. NR 716 have been met or, where applicable, documentation which meets the requirements in ch. NR 508 , the groundwater assessment requirements in s. NR 140.24 (1) (b) , or both.
(b) A description of the interim and remedial actions taken at the site or facility. For sites or facilities where residual soil contamination exceeds ch. NR 720 soil standards at the time that case closure is requested, include a demonstration that the remedial action taken, and any interim action that was taken that constituted the final response action for soil contamination, satisfies the requirements of chs. NR 720 and 722 , where applicable.
(c) Maps and cross sections shall be to scale, and use a graphic scale. The north arrow shall be pointing to the top of the map.
(d) For sites or facilities where soil excavation or active soil remediation occurred:
1. A table of soil analytical results with collection dates identified. Soil analytical data tables shall clearly indicate depth of sample, soil type and whether the sample represents pre-remedial or post-remedial conditions. At sites or facilities where soil excavation occurred, the soil analytical data tables shall indicate whether the soil data point represents soil that was removed or soil that remains in place.
2. A map that shows the locations of all soil samples collected.
(e) Where the agency has required groundwater quality sampling to be conducted, results from a minimum of 8 successive quarterly rounds of sampling to demonstrate compliance with either the applicable requirements of ch. NR 140 or the requirements of s. NR 726.05 (6) , unless otherwise directed or approved by the agency.
(f) For sites or facilities with sediment contamination, or soil vapor contamination, sampling data demonstrating that the remedial action selected in accordance with ch. NR 722 has restored the environment to the extent practicable and minimized the harmful effects of the hazardous substances on the air, lands, and waters of the state.
(g) Submit to the department documentation that all other closure conditions have been satisfied, within 120 days after the department provides a conditional closure response.
(h) Where attempts to locate monitoring wells for abandonment are unsuccessful, submit documentation of the efforts made, to the department.
(i) Any other information that the department specifically requests.
(3) Notifications. Responsible parties or other persons requesting closure shall submit a copy of all the notifications required under ch. NR 725 or under s. NR 726.13 (1) (c) with written proof of the date on which the letters were received.