NR 507.16(1)(e)5.5. Procedures and type of equipment to physically and chemically preserve samples. NR 507.16(1)(e)6.6. Procedures to clean sampling equipment following sampling of one well and prior to sampling the next well. NR 507.16(1)(f)(f) Procedures for establishing field quality assurance and quality control, including all of the following: NR 507.16(1)(f)2.2. The frequency at which the field blanks, duplicate samples and trip blanks will be collected or processed. NR 507.16(1)(h)(h) Special procedures to sample leachate headwells and other devices. NR 507.16(1)(i)(i) Chain of custody procedures, including persons responsible for sampling and methods for transporting samples to the laboratory. NR 507.16(2)(2) Availability of sampling plan. A copy of the approved sampling plan shall be kept at the facility or at the office of the facility owner and a copy shall be provided to the sampling personnel for use during sampling. The approved sampling plan shall be followed unless the department is notified of and concurs with modifications. The owner or operator shall submit documentation of the approved changes to the department within 90 days. The owner or operator shall retain field records of all monitoring activities throughout the long-term care period. NR 507.16 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96. NR 507.17NR 507.17 Sampling, analysis, and laboratory requirements. This section applies to all sampling required under chs. NR 507 and 508. The owner or operator shall obtain and analyze samples according to the approved sampling plan and the following requirements: NR 507.17(1)(1) Field measurements. The owner or operator shall observe and record physical measurements in the field at the time of sampling each groundwater monitoring well or leachate well, including all of the following: NR 507.17(1)(a)(a) Water level elevation. Water level elevations shall be measured prior to purging the well for sampling and recorded to the nearest 0.01 foot. The elevation shall be corrected to national geodetic survey datum. The measuring point shall be the top of the well casing and shall be identified on the well itself if the top of the casing is not level. NR 507.17(1)(b)(b) Physical appearance. The physical appearance of the sample, including color, odor and turbidity, shall be recorded at the time of sampling. NR 507.17(1)(c)(c) Chemical measurements. Field specific conductance at 25°C and field pH shall be measured immediately following purging of each well. If the well can be purged dry, these measurements shall be taken when the sample is collected. Field specific conductance readings shall be corrected to 25°C if the meter used does not automatically correct for temperature. NR 507.17(2)(2) Sample collection. Samples shall be collected in accordance with the approved sampling plan under s. NR 507.16. NR 507.17(3)(3) Analytical parameters. The analytical parameters which shall be used for environmental monitoring under this chapter are listed in ch. NR 507 Appendices I through IV. The department may require analysis of additional parameters depending on the characteristics of the waste, the raw process materials used, or the provisions of ch. NR 140. NR 507.17(4)(4) Analytical methods. Groundwater, lysimeter and leachate samples shall be handled and analyzed in accordance with the requirements of methods listed in subch. VII of ch. NR 149. Screening methods may not be used unless approved in writing by the department. Water supply samples shall be handled in accordance with s. NR 507.20. The department may approve alternative analytical methods under s. NR 149.42. NR 507.17(5)(5) Laboratory requirements. All chemical analyses shall be conducted by a laboratory certified under s. 299.11, Stats., and ch. NR 149. The limit of detection and the limit of quantitation shall be determined according to s. NR 149.48 (2) and (3). The analytical laboratory shall meet the requirements of the analytical method and ch. NR 149. Section NR 140.16 (4) applies to analytical results that do not meet the requirements of this subsection. NR 507.17 NoteNote: Subchapter VII of ch. NR 149 requires each laboratory to maintain a quality control program and to document the quality control data. The same subchapter allows the department to request a copy of quality control data to be submitted for its review. NR 507.17(6)(6) Data reporting requirements. The owner or operator shall report laboratory quality control indicators in accordance with s. NR 507.26 (3) (b). NR 507.17(7)(7) Other/test requirements. The following tests shall be performed using department guidance, or if no guidance is available, current industry standards or procedures: NR 507.17 NoteNote: ASTM International publishes methods for these tests. Copies of ASTM methods may be obtained from: ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, (610) 832-9585, www.astm.org. NR 507.17 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96; CR 05-020: am. (4) and (5) Register January 2006 No. 601, eff. 2-1-06; corrections in (4) and (5) made under s. 13.92 (4) (b) 7., Stats., Register April 2013 No. 688; CR 17-046: am. (4), (5) Register February 2021 No. 782, eff. 6-29-21; correction in (4) made under s. 13.92 (4) (b) 7., Stats., Register July 2021 No. 787. NR 507.18NR 507.18 Baseline groundwater quality sampling. An applicant for a proposed facility for all its monitoring wells and the owner or operator of an existing facility for its designated Subtitle D wells shall establish baseline groundwater quality in accordance with subs. (1) to (3). Owners or operators shall establish baseline groundwater quality at all new or replacement groundwater monitoring wells in accordance with sub. (4). The department may require the owners or operators of other facilities at which monitoring is required to establish baseline groundwater quality in accordance with sub. (4). Collection, handling and analysis of groundwater monitoring samples specified in subs. (1) to (4) shall be performed in accordance with ss. NR 507.16 and 507.17. NR 507.18(1)(1) Baseline groundwater quality for detection monitoring parameters except vocs. NR 507.18(1)(a)(a) Baseline groundwater quality shall be established at all wells that were installed outside the proposed limits of filling to evaluate the proposed facility. Samples shall be analyzed for each detection monitoring parameter as appropriate for the particular waste types accepted at the landfill. Chapter NR 507 Appendix I, Tables 1, 1A, and 2 indicate which parameters shall be analyzed for each waste type. The department may require additional parameters based on the waste types and waste characteristics accepted at the landfill. NR 507.18(1)(b)(b) The owner or operator shall obtain and analyze a minimum of 8 samples to determine baseline groundwater quality for the parameters required under this subsection. For a proposed facility, a minimum of 4 samples, with at least 30 days between sampling rounds, shall be taken and analyzed and the results shall be submitted with the feasibility report. The remaining samples shall be taken with at least 30 days between sampling rounds and the results shall be submitted with the plan of operation unless otherwise approved in writing by the department. NR 507.18(2)(2) Baseline groundwater quality for public health and welfare parameters not included as detection monitoring parameters in sub. (1). NR 507.18(2)(a)(a) Unless otherwise specified by the department, baseline groundwater quality shall be established at all wells outside the proposed limits of filling which were installed to evaluate the proposed facility. Baseline water quality for these wells shall be established for the public health and welfare groundwater quality standards listed in ch. NR 507 Appendix I, Table 3. NR 507.18(2)(b)(b) For a proposed facility, a minimum of 4 samples, with at least 30 days between sampling rounds, shall be collected and analyzed and the results shall be submitted with the feasibility report. Four additional samples, with at least 30 days between sampling rounds, shall be collected and analyzed for any parameter listed in ch. NR 507 Appendix I, Table 3 from any well which meets one or more of the following criteria: NR 507.18(2)(b)1.1. One of the initial 4 sample values attains or exceeds the ES for that parameter. NR 507.18(2)(b)2.2. Two or more of the initial 4 sample values attains or exceeds the PAL for that parameter. NR 507.18(2)(b)3.3. The average of the initial 4 sample values attains or exceeds the PAL for that parameter. NR 507.18(2)(c)(c) If additional samples are required under par. (b), the results of the 4 additional samples shall be submitted in the plan of operation and in accordance with s. NR 507.26 (3). NR 507.18(3)(a)(a) Baseline groundwater quality shall be established for all VOCs listed in ch. NR 507 Appendix III, at all monitoring wells outside the proposed limits of filling. Landfills designed to accept CCR and CCR landfills are exempt from baseline groundwater quality monitoring for VOCs. NR 507.18(3)(b)(b) Samples shall be collected for VOC analysis from each well at the same time as the first and second sampling rounds for the other detection monitoring parameters. If any well has VOC parameters in concentrations above their limit of detection in either of the first 2 sampling rounds, that well shall be sampled for VOCs 2 additional times for a total of 4 sampling rounds. The results shall be submitted with the feasibility report and in accordance with s. NR 507.26 (3). NR 507.18(4)(4) Baseline groundwater quality at new or replacement monitoring wells. All new or replacement groundwater monitoring wells installed after July 1, 1996, shall be sampled on a semi-annual basis beginning with the sampling event following installation for the parameters specified in subs. (1) to (3) to establish baseline groundwater quality. The results shall be submitted in accordance with s. NR 507.26 (3). The department may waive the requirement to establish baseline groundwater quality monitoring for a replacement well which is established in the same environment and proximity as the well being replaced. NR 507.18(5)(5) Baseline groundwater quality sampling at CCR wells. NR 507.18(5)(a)(a) Baseline groundwater quality shall be established by the owner or operator of a CCR landfill at all CCR wells installed outside the proposed limits of filling to evaluate groundwater quality in the uppermost aquifer beneath the CCR landfill as provided in par. (b). Samples shall be analyzed for each monitoring parameter as indicated under ch. NR 507 Appendix I, Tables 1A and 3 for detection and baseline monitoring for CCR wells. NR 507.18(5)(b)(b) The owner or operator of a CCR landfill shall obtain, analyze, and submit the results from a minimum of 8 groundwater quality samples from each CCR well to the department to determine baseline groundwater quality for the parameters required under this subsection. The information shall be submitted as part of the plan of operation modification required under s. NR 514.045 or the feasibility report for a proposed landfill. NR 507.18(5)(c)(c) The department may not approve a CCR landfill at a location where a preventive action limit or enforcement standard adopted under s. NR 140.10 or 140.12 has been attained or exceeded in the baseline monitoring sampling results unless the department grants an exemption to those standards in accordance with s. NR 140.28 as part of a CCR landfill feasibility determination, plan of operation approval, or plan of operation modification approval under s. NR 514.045. NR 507.18(5)(d)(d) A preventive action limit for lithium shall be established by the department at each CCR well in accordance with s. NR 140.20 (2) (c) set at the background water quality plus 3 standard deviations. NR 507.18 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96; corrections in (1) (a), (2) (a), (3) (a) made under s. 13.92 (4) (b) 7., Stats., Register April 2013 No. 688; CR 21-076: am. (1) (a), (3) (a), cr. (5) Register July 2022 No. 799, eff. 8-1-22. NR 507.19NR 507.19 Detection groundwater monitoring. Owners or operators of solid waste disposal facilities shall implement a detection groundwater monitoring program in accordance with this section and the approved plan of operation unless otherwise approved in writing by the department. If assessment monitoring is a required response in accordance with s. NR 508.05, the owner or operator shall continue detection monitoring at all wells without interruption unless the department approves otherwise. The department may require the owner or operator of a solid waste disposal facility to sample water supply wells in accordance with s. NR 507.20. NR 507.19(1)(1) Number of required monitoring points. The number of required monitoring points and the proposed detection monitoring program shall be as approved in writing by the department based on the facility size, waste types, facility design and hydrogeologic and geologic setting of the facility. The detection monitoring program shall be adequate to determine upgradient and downgradient water quality, horizontal and vertical gradients and to detect any impacts from the facility on groundwater quality. NR 507.19(2)(2) Sampling frequency. The minimum sampling frequency for detection groundwater monitoring shall be appropriate for the particular waste types accepted at the landfill and are listed in ch. NR 507 Appendix I, Tables 1, 1A, and 2. The department may approve other sampling frequencies in writing. NR 507.19(3)(3) Sampling parameters. The sampling parameters required for detection groundwater monitoring shall be appropriate for the particular waste types accepted at the landfill. Chapter NR 507 Appendix I, Tables 1, 1A, and 2 indicate which sampling parameters are appropriate for each waste type. Chapter NR 507 Appendix III lists the volatile organic compounds to be sampled when a VOC scan is required. The department may approve other sampling parameters in writing. If 10 percent or more of a municipal solid waste landfill’s total design capacity consists of a waste type listed in ch. NR 507 Appendix I, Table 2, the detection monitoring program shall include the additional parameters listed in ch. NR 507 Appendix I, Table 2 for that waste type. The owner or operator may demonstrate that a parameter is not present in the waste or leachate. The department shall review such a demonstration and take the appropriate action. NR 507.19(4)(4) Preventive action limits. Preventive action limits for inorganic detection monitoring parameters shall be calculated in accordance with s. NR 507.27. NR 507.19 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96; corrections in (2), (3) made under s. 13.92 (4) (b) 7., Stats., Register April 2013 No. 688; CR 21-076: am. (2), (3) Register July 2022 No. 799, eff. 8-1-22; correction in (3) made under s. 35.17, Stats., Register July 2022 No. 799. NR 507.20NR 507.20 Water supply well monitoring. The department may require the owner or operator to sample water supply wells as part of a detection groundwater monitoring program or to determine the extent of groundwater contamination. NR 507.20(1)(a)(a) Water supply well samples shall be collected and handled in accordance with the procedures specified in ch. NR 809. NR 507.20(1)(b)(b) Water supply well samples shall be analyzed by methods equivalent to, or at least as stringent as, methods specified in ch. NR 809. If VOCs are required for analysis, results for all VOCs listed in ch. NR 507 Appendix III shall be reported to the department. NR 507.20(2)(2) Notification of refusal to grant access. If a property owner refuses access to a water supply well, the owner or operator shall notify the department in accordance with s. NR 507.26 (2) (b). NR 507.20(3)(3) Private water supply well documentation. The owner or operator of a solid waste disposal facility which is required by the department to sample private wells shall do each of the following during the first round of sampling after July 1, 1996: NR 507.20(3)(a)(a) Attach a label supplied by the department to each private well. NR 507.20(3)(b)(b) Submit to the department along with the sampling results all the information on the groundwater monitoring inventory form 3300-067 for each well. NR 507.20 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96; CR 05-020: am. (1) (a), (b) and (3) (b) Register January 2006 No. 601, eff. 2-1-06; correction in (1) (b) made under s. 13.92 (4) (b) 7., Stats., Register April 2013 No. 688. NR 507.21NR 507.21 Lysimeter fluid and leachate monitoring. The owner or operator of a solid waste disposal facility shall sample lysimeter fluid and leachate in accordance with this section. NR 507.21(1)(1) Sampling parameters. Owners or operators of landfills shall sample lysimeter fluid and leachate beginning with the first sampling period following acceptance of waste in accordance with ch. NR 507 Appendix I, Tables 4 and 5 or as otherwise approved by the department in writing. If 10% or more of a municipal solid waste landfill’s total design capacity consists of municipal solid waste combustor residue, paper mill sludge, fly or bottom ash, or foundry sand, the lysimeter and leachate monitoring shall include the additional parameters listed in ch. NR 507 Appendix I, Table 4 or 5 for those waste types. The owners or operators shall maintain records of all leachate pumped and at a minimum shall record the information annually. The owners or operators shall report the monthly leachate volumes and lysimeter fluid volumes to the department semi-annually in accordance with s. NR 507.26 (3). NR 507.21(2)(2) Additional leachate sampling. Owners or operators of municipal solid waste facilities required to designate Subtitle D wells in accordance with s. NR 507.15 (2) (a) may monitor leachate annually for parameters listed in ch. NR 507 Appendix II. Within 14 days after obtaining the leachate sampling results, the owner or operator shall place the results in the operating record and, within 60 days after the end of the sampling period, submit the results to the department. NR 507.21(3)(3) Leachate head monitoring. Owners or operators of solid waste disposal facilities shall sample all leachate head wells for leachate head levels on a quarterly basis, at a minimum, unless otherwise approved by the department, and report the data to the department semi-annually and in accordance with s. NR 507.26 (3). NR 507.21 HistoryHistory: Cr. Register, June, 1996, No. 486, eff. 7-1-96; CR 05-020: cr. (3) Register January 2006 No. 601, eff. 2-1-06; corrections in (1), (2) made under s. 13.92 (4) (b) 7., Stats., Register April 2013 No. 688. NR 507.215NR 507.215 Leachate recirculation monitoring. The owner or operator of a solid waste facility that recirculates leachate shall sample for, maintain records of, and report to the department as required the following: NR 507.215(1)(1) Liquid mass balance. The volumes of leachate extracted from each leachate drainage basin, the volumes of leachate recirculated into each leachate drainage basin and monthly precipitation records from on-site instrumentation or the nearest national weather system station. NR 507.215(2)(2) Leachate head. The monthly level of leachate head on the liner in each leachate drainage basin where recirculation has been implemented. NR 507.215(3)(3) Leachate characteristics. Samples of leachate shall be taken quarterly from the sump or leachate collection tanks. Those samples shall be tested semiannually for a VOC scan and quarterly for the following parameters:
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