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8.3. SR 05-16-2013 City of Elk REQUEST FOR ACTION River TO ITEM NUMBER Mayor and City Council 8.3 AGENDA SECTION MEETING DATE PREPARED BY General Business May 6, 2013 Rebecca Haug, Environmental Administrator ITEM DESCRIPTION REVIEWED By Elk River Landfill Compliance Boundary and MPCA Permit Cal Portner, City Administrator REVIEWED BY Peter Beck, City Attorney Matt Ledvina, Environmental Consultant ACTION REQUESTED 1) Review and discuss the proposed Elk River Landfill (ERL) compliance boundary change. 2) Consider a Council-signed letter to the MPCA Commissioner expressing the city's concerns. 3) Consider providing city comments regarding the draft ERL permit during the public notice period and the MPCA Citizen's Board hearing,if held. 4) Provide staff direction regarding the Metro Waste Disposal Restrictions Statute. BACKGROUND/DISCUSSION The Minnesota Pollution Control Agency (MPCA) is in the process of issuing an updated permit for the ERL. During the city's review of the draft permit, a number of items were identified. Staff sent a letter to the MPCA on March 14, 2013,indicating the items and met with MPCA and county staff on April 22, 2013, to discuss the items. The letter is attached. One of the most serious concerns identified pertains to the facility compliance boundary. The compliance boundary represents a line where the ERL is required to meet water quality standards for impacted groundwater which is flowing west of the site. The ERL-proposed compliance boundary extends west of ERL property and incorporates the city trail property inside their boundary. The MPCA rule requirements are outlined in Minnesota Rules 7035.2815, sub. 4. A synopsis provided by MPCA guidance (in part),is as follows: The compliance boundary must be on the facility property, must co*letey surround the landfall, and cannot be more than 200 feet from the 90year fall footprint. To facilitate monitoring and any potential future corrective actions unless othenvise approved by the commissioner, the permittee must maintain a minimum 200 foot setback from the fall and the property boundary. The ERL has indicated that it has an agreement with the city,dated December 28, 1992,which addresses this concern and enables the establishment of the compliance boundary in the proposed location. The city entered into the agreement with the ERL to allow access onto the city property for the purposes of installing monitoring wells and water quality monitoring, not to expand the compliance boundary. NaA f RE] Staff is concerned that the relocation of the compliance boundary could allow a wider area of ground- water contamination to the west of the ERL and that groundwater contaminants are entering into the Rice Lake wetland complex and Tibbet's Brook. At some point,the MPCA, county, and city may require groundwater remediation work which could impact the accessibility of the trail. The MPCA suggested the city amend the December 28, 1992, agreement to allow the incorporation of the trail property inside the compliance boundary and allow for future corrective actions which may affect the trail property. Staff does not recommend this option. Lastly,unrelated to the comment letter,but concerning the draft permit, the Council approved a resolution on August 20, 2012, supporting prompt enforcement of Minnesota Statutes, Section, 473.848, Metro Wlaste Disposal Restrictions,restricting the disposal of unprocessed mixed municipal solid waste generated in the metropolitan area by landfill. The draft permit does not reflect how the MPCA will enforce the statute. ATTACHMENTS • March 14, 2013,letter to MPCA • December 28, 1992, license agreement • Minn. R. 7035.2815, sub. 4 • August 20, 2013, staff report on a resolution to support the prompt enforcement of Minnesota Statutes, Section 473.848 by the MPCA • Site map N:\Public Bodies\Agenda Packets\05-06-2013\8.3 six£docx City of Elk River 13065 Orono Parkway Elk River,MN 55330 March 14, 2013 Paula Connell MPCA 520 Lafayette Rd St. Paul MN 55155-4194 RE: City of Elk River Comments - Elk River Landfill Solid Waste Management Facility Permit, SW-74 February, 2013 Draft Permit Dear Mrs. Connell: The City of Elk River (City) has received a copy of the undated draft Solid Waste Management Facility Permit, SW- 74 for Waste Management, Inc. (WMI), Elk River Landfill (ERL). The draft was included in email correspondence to the City on February 26, 2013. Item 1.1.28 Facility Description The historic references for areas and volumes should be relocated to the Facility History (1.1.19) section. This section should clearly state that the permitted design capacity is 19,487,900 cubic yards of MSW. The discussion of Certificate of Need should be relocated to Section 1.1.31. Item 1.2.9 March 2012 Permit Modification The MSW Industrial Solid Waste Management Plan (ISWMP) (April 2008) is outdated and needs to be revised to reflect the industrial waste streams which are being accepted at the Site. The City requests that MPCA include a condition which requires the preparation, submittal and approval of a new ISWMP within six months of the new permit date. Item 1.2.25 13) Compliance Boundary The April 2009 compliance boundary is referenced. The ERL has identified alternative compliance boundaries in subsequent submittals to the City and the MPCA. Most recently, the 2012 Annual Water Quality Report contains Figure 2 which indicates the compliance boundary in a location approximately 300 feet west of the location shown in the approved compliance boundary. One of the concerns with the proposed compliance boundary is that ERL is incorporating the City trail property inside the compliance boundary. The MPCA rule requirements are outlined in Minn. R. 7035.2815, subp. 4 and a synopsis provided by MPCA guidance (in part),is as follows: The compliance boundary must be on the facility property, must completely surround the landfill, and cannot be more than 200 feet from the 10-year fill footprint. To facilitate monitoring and any potential Phone: 763.635.1000 Fax: 763.635.1090 P 0 W E R E 0 O Y www.ci.elk-river.mn.us INAT" URE1 future corrective actions unless otherwise approved by the commissioner, the permittee must maintain a minimum 200-foot setback from the fill and the property boundary. The ERL has indicated that it has an agreement with the City, dated December 28, 1992 which addresses this concern and enables the compliance boundary in the proposed location. The City entered into the agreement with ERL to allow access onto the City property for the purposes of installing monitoring wells and water quality monitoring but the agreement does not provide for expanding the compliance boundary to include city property. Item 1.6.1 Contingency Action If the MPCA wishes to approve the proposed compliance boundary incorporating the City property, the City requests that the permit include a specific provision which indicates that all land use rights of the City be preserved and that potential contingency actions,which effect the City property,are subject to City approval. Section 3.5.7 Leachate Recirculation Contingencies Leachate recirculation will greatly increase the amount of landfill gas that will be generated from the landfill. The primary concerns of the City relate to landfill gas collection and the prevention of fugitive gas emissions and odors. The permit should be modified to require ERL to also provide notification of odor complaints to the City. This will enable the City staff to be apprised of odor issues when they occur. Item 4.5 Closure Criteria The MPCA-approved March 2012 Closure Plan identifies that: "Per the Conditional Use Permit with the City of Elk River, no MSW waste will be disposed in the MSW area after December 31, 2030," (page 2-2). ERL's unconditional closure date for the MSW fill area should be included in the MPCA permit. Limits Tables The City could not find a requirement in the permit that related the "Limits Table" to the groundwater monitoring wells. The MPCA should include a permit condition which indicates that ERL needs to comply with the intervention limits (identified in the Limits Table) for groundwater monitoring wells. The intervention limits have been established by MPCA utilizing groundwater compliance boundary standards for some wells and surface water compliance boundary standards for other wells. The surface water interventions presume that groundwater in the western portion of the Site discharges to the wetland of Rice Lake and Tibbits Brook. The surface water compliance boundary extends more than 2,500 feet from monitoring wells P301 C to P311 C. Previous investigations for the area down gradient of the waste deposit show that the groundwater flow in the deeper outwash deposits is confined. The major conclusion from current hydrogeologic reports is that the groundwater is discharging to Rice Lake wetland and Tibbits Brook. A change in the lithology in the area of concern has been theorized by ERL. The City previously asserted that future investigation needed to provide supporting geologic evidence which demonstrates that the till unit is absent to the west of the landfill thereby enabling a pathway for groundwater flow to the surface water. In the City's opinion, ERL's attempt to demonstrate that surface water as the sole receptor for groundwater in this portion of the Site is not conclusive. The City clearly communicated to ERL and MPCA what scope of additional investigation would be necessary to enable a conclusive determination concerning the groundwater and surface water connection. The City remains opposed to the use of surface water standards at this facility because ERL has not sufficiently demonstrated that surface water is the appropriate receptor for potentially contaminated groundwater from the waste deposit. The groundwater performance standards presented in the Limits Table may not be adequately protective of human health and the environment. The Limits Table does not include recently constructed wells P323L and P324L, while it does include wells 315- OWA, 316-OWA, 322-OWA, 323-OWA and 324-OWA, which no longer exist or are not proposed for sampling. At a minimum, the Limits Table should be modified to reclassify wells such P304C, (which has a well screen near the base of the confined outwash) to groundwater compliance boundary wells. Intervention Limits The 2012 Annual Water Quality Report identifies numerous instances where parameters have exceeded the intervention limits for the wells located down gradient of the waste deposit. VOC Parameters The data for newly installed monitoring well, P323L, in conjunction with increasing parameter trends for P313C and P314C indicate that this area is a major area of concern for impacted groundwater leaving the Site. The investigation work that has been undertaken in recent years has located the major pathway for contaminated groundwater migration from the Site. ERL needs to develop a proposal for further evaluating groundwater conditions in support of a plan for mitigating contaminated groundwater. Chloride Results In recent annual water quality reports, ERL's interpretation of the results for chloride suggests that it is not a good indicator of a leachate release due to the use of deicing agents along Highway 169. The levels of chloride for wells adjacent to Highway 169 do indeed show significantly elevated levels of chloride. The concentration of chloride for wells which are more than 2000 feet from Highway 169 would be expected to approach natural background concentrations based on a simplified dispersion model. This is evidenced by the chloride results for unimpacted wells P303C, P305C, P311C and 408-OWA located on the west side of the Site. These wells show average chloride concentrations which average less than 5 mg/l over the last ten years of monitoring. Another important consideration for background chloride levels is the change in concentration over time. Deicing operations for Highway 169 has occurred for at least 50 years and it is expected that the potentially elevated concentration of chloride would be at a roughly steady state condition and concentrations would not vary significant from year to year. This is true for wells that are not impacted by the landfill, as evidenced by the plot of concentration vs. time for P311C presented in Appendix D. In contrast, the plots for P302C, P304C, P313C and P314C show increasing chloride trends with time. From this data, it is apparent that those wells are impacted by landfill leachate. This is further supported by the occurrence of VOC detections which correlate with the high levels of chloride for listed impacted wells. Exceedance of the chloride compliance boundary standard at down gradient wells P302C, P304C and P314C needs to be addressed by ERL. As an alternative, ERL should provide a technical analysis which proposes a modification to the current chloride intervention limit which considers possible elevated background impacts associated with Highway 169 deicing. Thank you for the opportunity to provide comments on the draft permit for Elk River Landfill. Please contact me if you have any questions at (763) 635-1068. Sincerely, Rebecca Haug Environmental Administrator cc: Matt Ledvina, City Environmental Consultant Peter Beck, City Attorney Suzanne Fischer, Community Operations Development Director Shannon Siefert,Waste Management,Inc. Dave Lucas, Sherburne County LICENSE AGREEMENT I. PARTIES 52 This Agreement is made on this 2,;F day of 199P- by and between the following parties ("Parties") : The City of Elk_ Raver, on their own behalf and on behalf of all of their heirs, relatives, executors, insurers, sureties, successors, assigns, employees, and agents ("Owners") , and Elk River Landfill, Inc. , on its own behalf and on behalf of all its insurers, sureties, successors, assigns, shareholders, officers, directors, employees and agents. ("Licensee") . II. RECITALS WHEREAS, Licensee is conducting response actions, including a remedial investigation of release and/or threatened releases of hazardous substances, pollutants, or contaminants at and from the Elk River Sanitary Landfill located in the City of Elk River, County of Sherburne, State of Minnesota, and legally described as Section 3 , Township 33, Range 26 ("Landfill") ; WHEREAS, Owners are the legal and equitable Owners of certain real property, located in the City of Elk River, County of Sherburne, State of Minnesota, adjacent to the Landfill, and legally described as: .(,See Attachment "A'!) ("Property") WHEREAS, the Parties wish to enter into this Agreement to permit Licensee to enter the Property for reasonable and necessary response actions, including a remedial investigation, to address any release or threatened release of hazardous substances, pollutants, or contaminants at or from the Landfill, pursuant to the authority of the Minnesota Pollution Control Agency ("MPCA") under Chapter 115B of the Minnesota Statutes. III. PROVISIONS WHEREFORE, for the consideration set forth herein, and for other good and valuable consideration, the receipt of sufficiency of which is hereby acknowledged, the Parties agree as follows: 1. Lessee agrees to pay within ,�D days of receipt of the fully executed original of this A eement, and Owners agree to accept, the amount of = as full compensation for the rights acquired under this Agreement. 2 . Owners hereby grant Licensee an irrevocable license to enter the Property and to take certain actions necessary to investigate, monitor, test, analyze, and evaluate any release or threatened release of hazardous substances, pollutants or contaminants at or from the Landfill . The activities permitted under this Agreement shall include, installation and operation of groundwater and/or gas monitoring wells and soil testing be means of soil borings . Licensee will initially install groundwater and/or gas monitoring wells, in October and November 1991. This Agreement shall not be construed to grant any ownership interest or estate in the property. 3 . Licensee shall be solely responsible for the cost of any alterations, improvements, maintenance, or repairs needed on the property with respect to the said wells. 4 : Owners shall allow Licensee reasonable ingress and egress over, under, or upon the Property at reasonable times to carry out the activities allowed by this Agreement, although Owners may request any persons seeking to enter or carry out work at the Property pursuant to this Agreement to provide appropriate identification. Licensee shall be entitled to construct any access roads necessary for such ingress or egress. At the termination of this Agreement, any such access roads shall be the property of ' Owners or property shall be restored to original condition. 5. Licensee shall provide owners with notice prior to performing any work under this Agreement. Said notice shall generally describe the work to be performed. 6. Licensee shall make .reasonable efforts to avoid any unnecessary damage to the Property while performing work authorized by this Agreement. Upon completion of such work. Licensee shall restore the property to substantially the same condition as when work was commenced, except that any access roads may remain intact. 7. Owners shall not disturb or disrupt any work conducted by Licensee under this Agreement. However, Owners shall not be responsible for any damage or theft caused by third parties. 8. Licensee shall fully comply with all applicable federal, , state, and local laws, including the Minnesota Department of Health Well code, when installing, maintaining or abandoning any wells or otherwise performing work under this Agreement, and Licensee shall be responsible for obtaining any permits required by governing authorities. 9 . In the event Owners sell or otherwise convey their interest in the property, the conveyance shall be subject to this Agreement. 10. Licensee may assign its rights and obligations under this Agreement only with owners' written consent; such consent shall not be unreasonably withheld. However, Licensee may, without consent by owners and upon written notice to the Owners, assign all of its rights and obligations under this Agreement to the County of Sherburne. 11. In the event Licensee, its attorneys, its engineers, or the MPCA determines that any permanent response action is necessary due to the release or threatened release of hazardous substances, pollutants, or contaminants, the Parties shall enter into good faith negotiations concerning the action required for response action. The Parties recognize that such action may require the Licensee to purchase an interest in the Property. 12 . This Agreement 'contains the entire understanding between the Parties, and the Parties may amend this Agreement in writing at any time. 13 . This Agreement shall be governed by the laws of the State of Minnesota. r• SIGYATORIES ATTEST: THE CITY OF ELK RIVER: 7ax,i4l Z Gcr>�/1� By.. l�l� / PATRICK D. KLAERS Its: y�/( Date. Z fill �JG Zr STATE OF MINNESOTA ss. COUNTY 'OF SHERBURNE The foregoing 'nstrument wa cknaw d Ed bef re m thi day of , 199 , b , e �✓1 and Attested by of The ity of Elk River, a Minnesota City, on behalf of the City. otary Public SANDRA A.THACKBRAY NOTARY PUBUG-MINNESOTA &I J —r 7 --577 SHERBURNE COUNTY i M Y Commission Expires ELK RIVER LANDF L, INC. Dated: ` "� By; Its: STATE OF MINNESOTA ss. COUNTY OF SHERBURNE The foregoing nstrument was ac nowle g Uef o m e this da of , 199X�y the of Elk River Landfill, Inca , a � —2 p `". , ,��,�. Minnesota Corporation, on behalf of the Corporation. 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IkW"Ma w�u (Olt)441-bM CASH RECEIPT RECEIPT N 2 1 5675 + DATE G'`�'r r �! 19 �3 /�= RECEIVED FROM (S mm AMOUNT Ill Z ��'',,� Q FOR a: 0 LO Description 4 Code Amount i` W > � '� [� L O .a > r �- O � � . rox U c W ti CASH / INVOICE NO. &ee By RIVER LANDFILL, INC. • � . • • �.i�i ERC041 1.4D 0.00 1.0 PEOPLES BANK OF COMMERCE N Q. i( PRINCETON.MN 55371 22460 HWY.169 N.W. IVER ELK RIVER,MN$5330 75-522 919 1 . • LANDFILL (612)441-2464 01107193 6636 CHECK AMOUNT AND 04/100 DOLLARS* _o -R CITY OF EL[ RIVER 724 DODGE AVE N.Y. ELY. RIVER, XN. 66330 0 D {� 'UT." i 2EDSIGNATUAE a"0066361f' 409 L905 2 241: 111000 220 911' Minnesota Administrative Rules 7035.2815 MIXED MUNICIPAL SOLID WASTE LAND DISPOSAL FACILITIES Subp. 4. Ground water performance standards. The owner or operator must design, construct, operate, and maintain the facility to achieve compliance with items A to J. A. A compliance boundary must be established at each facility in accordance with items B and C. If the conditions in item D or E apply, a lower compliance boundary and surface water compliance boundary may also be established. Ground water quality must comply with items E, F, and H at the locations given in item F. If an intervention limit established under items E, F, and H is exceeded in ground water at any location,the owner or operator must take the actions specified in item G. B. The owner or operator must propose the locations of the compliance boundary. The owner or operator shall submit the proposed locations to the commissioner for review and approval,together with the rationale for the selected locations, supporting information, and any additional information the commissioner may require to describe the locations of the boundaries in the facility permit. C. The compliance boundary must be established in accordance with subitems (1) and (2). (1) The compliance boundary must surround the waste fill area and leachate management system. It must be located on the facility property, with a sufficient setback from the property boundary to enable the installation of monitoring points and, if necessary,ground water control features. The following factors shall also be considered in establishing the location of the compliance boundary: (a) hydrogeologic factors, including attenuation and dilution characteristics; ground water quantity, quality, flow rates, and flow directions; and anticipated rates and directions of pollutant movement; (b) the feasibility of ground water monitoring at the compliance boundary; (c) the feasibility of corrective actions to maintain compliance with ground water quality standards at the compliance boundary; (d) the volume, composition, and physical and chemical characteristics of the leachate; (e) the proximity and withdrawal rates of ground water users, and the availability of alternative water supplies; and (f) any other public health, safety, and welfare effects. (2) The distance between the compliance boundary and the permitted waste boundary must be no greater than 200 feet.The commissioner may require a smaller separation distance if ground water flow rates are very slow or where necessary to provide additional protection to ground water, including sites with downward ground water flow. At existing facilities, including expansion areas,the commissioner may allow a separation distance greater than 200 feet if the following conditions are met: (a) the commissioner determines that the owner or operator has provided sufficient monitoring to assure reliable detection and tracking of pollutant migration within the area enclosed by the compliance boundary, and that the larger separation presents no greater risk to water quality and water use than a separation distance of 200 feet or less; (b) the hydrogeologic evaluation under subpart 3 is complete or will be completed according to a compliance schedule; and (c) the owner or operator revises the cost estimate for contingency action under part 7035.2615 to reflect any greater costs for additional monitoring;ground water containment, removal, and treatment; and other contingency actions, and provides evidence of financial assurance to pay for the increased costs. D. In addition to the compliance boundary required of all facilities under item C,the commissioner shall designate a lower compliance boundary at any facility where there is a potential for substantial pollutant migration downward to a deeper aquifer used locally as a source of water supply. The lower compliance boundary shall be designated at a contact between soil or hydrogeologic units, or other definable surface within the saturated zone, and shall be located to prevent adverse effects on water supplies. E. The commissioner may designate a surface water compliance boundary if it is determined, by the analysis under subpart 3, item G, subitem (7) or otherwise,that pollutants entering the ground water from the facility may migrate to surface water at concentrations that could adversely affect the quality of surface water. (1) The surface water compliance boundary must be designated as a vertical plane extending downward from the land surface or as some other readily definable plane located between the land disposal facility and the surface water. (Z) The surface water compliance boundary may either replace a portion of the compliance boundary or be designated in addition to the compliance boundary. The surface water compliance boundary may be substituted entirely for a portion of the compliance boundary only if the facility is within 500 feet of the surface water and the commissioner determines that all pollutants entering the ground water from the facility will discharge into that surface water. (3) The commissioner shall establish standards and intervention limits for the surface water compliance boundary in the facility permit based on the applicable provisions of chapter 7050. If the surface water in turn recharges an aquifer used as a water supply,the commissioner shall establish standards and intervention limits protective of both surface water and drinking water. (4) The commissioner shall require submission of any facility and site information needed to establish standards and intervention limits for the surface water compliance boundary, including low-flow stream discharge rates, mixing characteristics and rates, biological communities, and chemical composition of the surface water and leachate. F. Except as provided in items E and H and this item, pollutant concentrations in ground water must not exceed the standards listed in this item at or beyond the compliance boundary and at or below the lower compliance boundary. The standards and intervention limits for these two boundaries are as follows: Substance Standard or intervention limit(in micrograms per liter unless otherwise noted) (1) Acrylamide 0.025 (2) Acrylonitrile 0.17 (3) Alachlor 2.5 (4) Aldicarb 2.3 (5) Aldrin 0.0075 (6) Allyl chloride 7.35 (7) Arsenic 12.5 (8) Asbestos 1800000 medium and long (greater than 10 microns)fibers per liter (9) Barium 375 (10) Benzene 3 (11) Bis(2-chIoroethy1)ether 0.078 (12) Cadmium 1.25 (13) Carbofuran 9 (14) Carbon tetrachloride 0.67 (15) Chlordane 0.055 (16) Chlorobenzene (monochlorobenzene) 15 (17) Chloroform 1.3 (18) Chromium 30 (19) Copper 325 (20) DDT 0.25 (21) Dibromochloropropane (DBCP) 0.063 (22) 1,2-Dibromoethane (Ethylene dibromide, 0.002 EDB) (23) 1,2-Dichlorobenzene (orth-) 155 (24) 1,3-Dichlorobenzene (meta-) 155 (25) 1,4-Dichlorobenzene (para-) 18.8 (26) 3,3'-Dichlorobenzidine 0.052 (27) 1,2-Dichloroethane 0.95 (28) 1,1-Dichloroethylene 1.8 (29) 1,2-Dichloroethylene (cis-) 17 (30) 1,2-Dichloroethylene (trans-) 17 (31) Dichloromethane (methylene chloride) 12 (32) 2,4-Dichlorophenoxyacetic acid (2,4-D) 17 (33) 1,2-Dichloropropane 1.5 (34) Dieldrin 0.0025 (35) 2,4-Dinitrotoluene 0.27 (36) 1,2-Diphenylhydrazine 0.11 (37) Epichlorohydrin 8.9 (38) Ethylbenzene 170 (39) Heptachlor 0.025 (40) Heptachlor epoxide 0.0015 (41) Hexachlorobenzene 0.053 (42) Hexachlorobutadiene 1.1 (43) Hexachlorocyclohexane (alpha-) 0.0075 (44) Hexachlorocyclohexane (beta-) 0.047 (45) Hexachlorocyclohexane (gamma-)(Lindane) 0.05 (46) Hexachlorodibenzodioxin 0.000015 (47) Hexachloroethane 6.2 (48) Lead 5.0 (49) Mercury 0.75 (50) Methyl ethyl ketone 43 (51) Methoxychlor 85 (52) Nickel 38 (53) Nitrate (as Nitrogen) 2500 (54) Nitrite (as Nitrogen) 250 (55) N-Nitrosodimethylamine 0.0035 (56) N-Nitrosodiphenylamine 17.8 (57) Total carcinogenic polynuclear aromatic 0.007 hydrocarbons (PAH) (58) Polychlorinated biphenyls (PCB's) 0.02 (59) Pentachlorophenol 55 (60) Selenium 11 (61) Styrene 35 (62) 2,3,7,8-Tetrachlorodibenzo-p-dioxin (-TCDD) 0.0000005 (63) 1,1,2,2-Tetrachloroethane 0.44 (64) Tetrachloroethylene 1.7 (65) Toluene 500 (66) Toxaphene 0.075 (67) 1,1,1-Trichloroethane 50 (68) 1,1,2-Trichloroethane 1.5 (69) Trichloroethylene 7.8 (70) 2,4,6-Trichlorophenol 4.4 (71) 2,4,5-TP (Silvex) 13 (72) Vinyl chloride 0.037 (73) Xylene 110 G. If an intervention limit established under items E, F, and H is exceeded in ground water at any location where the facility's impacts are monitored,the owner or operator must take the following actions: (1) immediately notify the commissioner in writing; (2) immediately resample if previous samples at the facility did not exceed the intervention limits; (3) evaluate the need to resample if previous samples exceeded the intervention limits; (4) evaluate the significance of the exceedance and the source or cause of the constituents exceeding the intervention limits; (5) evaluate the need for immediate corrective action to prevent pollutant concentrations from approaching or exceeding standards at the compliance boundary, surface water compliance boundary, or lower compliance boundary; (6) evaluate the need for changes in water monitoring, including sampling frequencies, constituents analyzed, and installation of additional monitoring points; (7) within 30 days after obtaining the sample results in which an intervention limit was exceeded, submit a written report to the commissioner describing the evaluations and conclusions under subitems (2)to (6) and the actions taken or planned under subitem (8); and (8) take other actions described in the facility's contingency action plan and as required in subpart 15 and part 7035.2615. H. In lieu of the intervention limits and standards under items E and F, the commissioner may establish alternative standards and intervention limits in the facility permit as follows: (1) If the concentration of any constituent in the background ground water at a facility is greater than a standard or intervention limit established in this subpart,the background concentration of the constituent must be used as the standard or intervention limit. For purposes of this subitem, background refers to the condition of ground water that has experienced no change in quality due to migration of constituents from the facility. If the background water quality is inadequately defined,the commissioner may require additional evaluation including sampling, statistical analysis of sampling data, and installation of additional monitoring points.The commissioner may alter the alternative standards or intervention limits if background water quality is changing due to actions or events occurring outside the facility property and beyond the owner's or operator's control. (2) Upon request by the owner or operator,the commissioner may establish alternative limits for some or all substances for portions of a facility filled before November 15, 1988. Unless approved by the agency, or by the commissioner as provided in subitem (1),the alternative limits must not exceed four times the concentrations given in item F.The owner or operator must have completed a remedial investigation study evaluating the extent and severity of ground water pollution at the facility and a feasibility study evaluating the feasibility and the environmental and economic costs, risks, and benefits of the possible alternative corrective actions.The alternative approaches must include corrective actions intended to achieve compliance with the standards under items E and F and at least one additional approach intended to maintain ground water concentrations lower than four times the concentrations under item F.The feasibility study also must evaluate the pollutant concentrations that would remain in ground water after corrective action and the extent to which the use of these alternative limits may adversely affect the immediate and future use of ground water downgradient from the facility. (3) If the quality of a public water supply is potentially affected by migration of leachate from a facility, and if the maximum contaminant level for a substance as defined and established under either chapter 4720 or under the National Primary Drinking Water Regulations, Code of Federal Regulations,title 40, part 141, is a lower concentration than the standard under items E and F, the commissioner may use the maximum contaminant level as the alternative standard and alternative intervention limit for that substance. (4) If a substance is present in ground water at a facility, and if that substance is known to impart undesirable taste or odor to drinking water,the commissioner may upon the recommendation of the Minnesota commissioner of health establish alternative limits to avoid these taste and odor effects. (5) If a substance not listed in item F is present in ground water at a facility and is determined by the Minnesota commissioner of health to be potentially harmful to health,the commissioner may establish alternative limits for that substance. Except as provided elsewhere in this subpart,the alternative limits shall be 25 percent of the concentration given in unit(a) or(b): (a) For a substance not classified by the United States Environmental Protection Agency as Group A(human carcinogen) or Group B (probable human carcinogen), the recommended allowable limit, as determined by the Minnesota commissioner of health; or (b) For a substance classified by the United States Environmental Protection Agency as a Group A or Group B carcinogen, either the concentration corresponding to a risk of one additional case of cancer per 100,000 adults consuming the water over a lifetime, as estimated by the United States Environmental Protection Agency and the Minnesota commissioner of health, or the recommended allowable limit under unit(a),whichever is lower. (6) If a substance which has a standard or an alternative standard under subitems (2)to (5) is present in ground water at a facility, and if the recommended allowable limit or the concentration corresponding to the one-in-100,000 cancer risk under subitem (5) is changed,the commissioner may establish alternative limits for that substance. The alternative limits shall be 25 percent of the concentration given in subitem (5), unit(a) or(b),whichever is applicable. 1. If a substance is not detected in a sample and the limit of detection is higher than the intervention limit or standard for that substance, the intervention limit or standard will not be assumed to have been attained or exceeded. J. The commissioner, after investigation and evaluation, may require the owner or operator to implement the facility contingency action plan and to take corrective action under the following circumstances, even if a standard or intervention limit established under this subpart is not being exceeded: (1) in the event of a substantial release of leachate that the commissioner may reasonably expect to result in a violation of water quality standards; or (2) based on the additive carcinogenicity or toxicity of a combination of pollutants in the ground water, in lieu of the limits for individual substances under items E, F, and H.The additive carcinogenicity or toxicity must be computed using the approach given in "Guidelines for the Health Risk Assessment of Chemical Mixtures," Federal Register,Volume 51, pages 34014-34025, September 24, 1986. Where quantification using this approach is feasible,the commissioner may require response actions if the sum total risk of consuming the water over a lifetime would exceed either 2.5 additional cases of cancer in a population of 1,000,000 persons or for noncarcinogens, 25 percent of the acceptable concentration for long-term consumption. Elk REQUEST FOR ACTION Raver TO ITEM NUMBER Mayor and City Council 8.5 AGENDA SECTION MEETING DATE PREPARED BY General Business August 20, 2012 Rebecca Haug, Environmental Administrator ITEM DESCRIPTION REVIEWED By Resolution Supporting State Enforcement of MS 473.848 Cal Partner, City Administrator (Restrictions on Disposal of Metro Mixed Municipal Solid REVIEWED BY Waste) I Peter Beck, City Attorney ACTION REQUESTED Adopt the resolution to support prompt enforcement of Minnesota Statutes, Section 473.848 by the Minnesota Pollution Control Agency (MPCA),restricting disposal of unprocessed mixed municipal solid waste (MMSW) generated in the metropolitan area from being landfilled. BACKGROUNDIDISCUSSION In 1980, the Minnesota Legislature recognized the importance of waste management with the passage of the Waste Management Act (WMA) (Minn. Stat. §115A). The purpose is to improve integrated solid waste management (ISWM) to protect the state's natural resources and public health. It establishes the following hierarchy of preferred solid waste management practices: 1. waste reduction and reuse 2. waste recycling 3. composting ofyard waste and food waste 4. resource recovery through mixed municipal solid waste composting or incineration 5. land disposal which produces no measurable methane gas or which involves the retrieval of methane gas as a fuel for the production of energy to be used on-site or for sale 6. land disposal which produces measurable methane and which does not involve the retrieval of methane gas as a fuel for the production of energy to be used on-site or for sale In 1985, the Minnesota Legislature enacted Minn. Stat., Sect. 473.848,placing restrictions on the disposal of unprocessed mixed municipal solid waste generated in the metropolitan areas, for the purposes of implementing section 115A.02 and metro goals related to landfill abatement activities. A copy of Minn. Stat.,Sect. 473.848,is attached. The MPCA worked with metro communities to prepare a Metropolitan Waste Disposal Restrictions Report. The report determined that MMSW processing via waste-to-energy is superior to landfilling and is needed even after reuse, organic recovery, and recycling.. Enforcement of Minn. Stat., Sect. 473.848 will ensure processing of MMSW to restore capacity to resource recovery facilities,increasing energy production,and extending the life of landfills by saving space. The MPCA will accept written comments through August 31, 2012. The report will be given to the legislature by October 1, 2012. Staff has prepared a resolution to the MPCA indicating the city's support P 0 W E R E 0 B i N:\Public Bodies\City Council\Council RCA\Agenda Packet\08-20-2012\MPCA Resolution.docx INAYUREJ for enforcement of Minn. Stat., Sect. 473.848. This resolution,if adopted,will be submitted to the MPCA by August 31, 2012,to be included in the comments section of the report. FINANCIAL IMPACT N/A ATTACHMENTS • Resolution • Minnesota Statutes, Section 473.848 Action Motion by Second by Vote Follow Up N:\Public Bodies\City Council\Council RCA\Agenda Packet\08-20-2012\MPCA Resolutiomdocx RESOLUTION 12- A RESOLUTION OF THE CITY OF ELK RIVER A RESOLUTION TO SUPPORT PROMPT ENFORCEMENT BY THE MINNESOTA POLLUTION CONTROL AGENCY OF MINNESOTA STATUTES, SECTION 473.848 WHEREAS, the goals of the City of Elk River are in agreement with the goals of the State of Minnesota, delineated in Minnesota Statutes, Section 115A.02, which states: "It is the goal of this chapter to protect the state's land, air, seater and other natural resources and the public health by improving waste management in the state to serve the following purposes. (1) reduction in the amount and toxicity of waste generated; (2) separation and recovery of materials and energy from waste; (3) reduction in indiscriminate dependence on disposal of waste; (4) coordination of the solid waste management among political subdivisions; and(5) orderly and deliberate development and financial security of waste facilities, including disposal facilities.';and WHEREAS, Minnesota Statutes, Section 473.848,placing restrictions on the disposal of unprocessed mixed municipal solid waste generated in the metropolitan area, was adopted in 1985 for the purposes of implementing the policies established in Section 115A.02; and WHEREAS, the City of Elk River has a long standing policy of supporting those initiatives that reduce the need for indiscriminate land disposal of solid waste through various waste reduction,recycling, and resource recovery efforts; and WHEREAS, Minnesota Statutes, Section 473.848 has been in law for 27 years and, pursuant to this law, significant investments have been made in processing facilities to reduce dependence on indiscriminate land disposal of mixed municipal solid waste; and WHEREAS, the City of Elk River has licensed and supports Great River Energy's Elk River Resource Recovery Project,which is currently processing mixed municipal solid waste into Renewable Energy so that it need not be landfilled; and WHEREAS, in 2005, the MPCA became responsible for enforcing Minnesota Statutes, Section 473.848 and;beginning in late 2010, the MPCA began studying how to enforce the provisions of this statute;and WHEREAS, enforcement of Minnesota Statutes, Section 473.848 will provide direct benefits to the public by reducing the indiscriminant landfilling of mixed municipal solid waste; and NAPublic Bodies\City Council\Council RCA\Agenda Packet\08-20-2012\Resolu6on of MPCA.doc WHEREAS, enforcement of Minnesota Statutes, Section 473.848 will ensure that processing facilities receive their operational capacity of mixed municipal solid waste, thereby greatly reducing the need for public subsidies;and WHEREAS, enforcement of Minnesota Statute 473.848 will not adversely impact existing or potential expansions to methane/landfill gas to energy facilities;and WHEREAS, Minnesota Statutes, Section 473.848 is good public policy that encourages the recovery of resources,including renewable energy and recyclables, from mixed municipal solid waste;and WHEREAS, the City of Elk River is not concerned about potential reductions in host community/expansion fees and/or surcharge fees due to the enforcement of Minnesota Statutes, Section 473.848. NOW,THEREFORE, BE IT RESOLVED by the City Council of the City of Elk River to continue to support the processing of mixed municipal solid waste as a preferred management option to land disposal and further supports the MPCA's prompt enforcement of Minnesota Statute Section 473.848 in such a way that the existing capacity of facilities that manage mixed municipal solid waste through the separation and recovery of materials and energy is maximized and opposes any further delays to such enforcement that additional studies or other actions may cause. Passed and adopted this 20'' day of August,2012. John J. Dietz,Mayor ATTEST: Tina Allard, City Clerk NAPublic Bodies\City Council\Council RCA\Agenda Packet\08-20-2012\Resolution of MPCA.doc 473.848, 2011 Minnesota Statutes Page 1 of 2 201i Minnesota Statutes 473.848 RESTRICTION ON DISPOSAL. Subdivision 1. Restriction. (a) For the purposes of implementing the waste management policies in section 115A.02 and metropolitan area goals related to landfill abatement established under this chapter, a person may not dispose of unprocessed mixed municipal solid waste generated in the metropolitan area at a waste disposal facility unless the waste disposal facility meets the standards in section 473.849 and: (1) the waste has been certified as unprocessible by a county under subdivision 2; or (2)(i) the waste has been transferred to the disposal facility from a resource recovery facility; (ii) no other resource recovery facility serving the metropolitan area is capable of processing the waste; and (iii) the waste has been certified as unprocessible by the operator of the resource recovery facility under subdivision 3. (b) For purposes of this section, mixed municipal solid waste does not include street sweepings, construction debris, mining waste, foundry sand, and other materials, if they are not capable of being processed by resource recovery as determined by the council. Subd. 2. County certification; office approval. (a) By April 1 of each year, each county shall submit an annual certification report to the office detailing: (1) the quantity of waste generated in the county that was not processed prior to transfer to a disposal facility during the year preceding the report; (2) the reasons the waste was not processed; (3) a strategy for development of techniques to ensure processing of waste including a specific timeline for implementation of those techniques; and (4) any progress made by the county in reducing the amount of unprocessed waste. The report shall be included in the county report required by section 473.803, subdivision 3. (b) The Pollution Control Agency shall approve a county's certification report if it determines that the county is reducing and will continue to reduce the amount of unprocessed waste, based on the report and the county's progress in development and implementation of techniques to reduce the amount of unprocessed waste transferred to disposal facilities. If the Pollution Control Agency does not approve a county's report, it shall negotiate with the county to develop and implement specific techniques to reduce unprocessed waste. If the Pollution Control Agency does not approve two or more consecutive reports from any one county, the Pollution Control Agency shall develop specific reduction techniques that are designed for the particular needs of the county. The county shall implement those techniques by specific dates to be determined by the Pollution Control Agency. Subd. 3. Facility certification. The operator of each resource recovery facility that receives waste from counties in the metropolitan area shall certify as unprocessible each load of mixed municipal solid waste it does not process. Certification must be made to each county that sends its https://www.revisor.mn.gov/statutes/?id=473.848 08/16/2012 473.848, 2011 Minnesota Statutes Page 2 of 2 waste to the facility at intervals specified by the county. Certification must include at least the number and size of loads certified as unprocessible and the reasons the waste is unprocessible. Loads certified as unprocessible must include the loads that would otherwise have been processed but were not processed because the facility was not in operation, but nothing in this section relieves the operator of its contractual obligations to process mixed municipal solid waste. Subd. 4. Pollution Control Agency report. The Pollution Control Agency shall include, as part of its report to the Environment and Natural Resources Committees of the senate and house of representatives, the Finance Division of the senate Committee on Environment and Natural Resources, and the house of representatives Committee on Environment and Natural Resources Finance required under section 473.149, an accounting of the quantity of unprocessed waste transferred to disposal facilities, the reasons the waste was not processed, a strategy for reducing the amount of unprocessed waste, and progress made by counties to reduce the amount of unprocessed waste. The Pollution Control Agency may adopt standards for determining when waste is unprocessible and procedures for expediting certification and reporting of unprocessed waste. Subd. 5. Definition. For the purpose of this section, waste is "unprocessed" if it has not, after collection and before disposal, undergone separation of materials for resource recovery through recycling, incineration for energy production, production and use of refuse-derived fuel, composting, or any combination of these processes so that the weight of the waste remaining that must be disposed of in a mixed municipal solid waste disposal facility is not more than 35 percent of the weight before processing, on an annual average. History: 1985 c 274 s 35; 1989 c 325 s 66; 1991 c 337 s 81,82; 1993 c 249 s 43,44; 1994 c 585 s 49,50; 1995 c 247 art 2 s 51,52; 1996 c 470 s 27; 1 Sp2005 c 1 art 2 s 161 https://www.revisor.mn.gov/statutes/?id=473.848 08/16/2012 I Ir E "19 ?�' 0-0 A •W ! r •' + ��% �` 1 Ow n .... I 1 1 I n0 OW?. 0 P- 1 P 20 � A1 P 320 P 3 2 II Irk, p 2 1 ( �6f�`A x K 0 22=0WA r t � `� P 31 wP•i �� ■ v ------- Le..W.T-kkR 1 ( l E I �YLJ L II .e-1 ------ 0 N a `IGP_*0. c I Z i� I ____------r-- 31— -PP-2%; 5 '`— ------——————— -- 1 t I 1— P311D Gp25, a 311c ^J i '�3t60WAKlkt 1' O ?1 'f I 223rtl Ave NW' � yy � w Monitoring Well -- Cell Boundary Gas Monitoring Probe P320C Blue ID indicates well has surface L] Surface Water Monitoring Point water-based intervention limits Figure 2 Red ID indicates well has N 0 Groundwater groundwater-based intervention SITE MAP P320L g Elk River Landfill Groundwater Compliance limits Feel Elk River,Minnesota Boundary P 3028 Black ID indicates well is not 0 500 1.DOD Site Boundary used for compliance monitoring eackgrou iG Source:Esri,.GIs U Ur —niw(M Geoeve,Getmepping, BARR arogntl.IGN.IGP,antl me GIS Uver Gommuniry(Marco 2D12) Data Source'Bart,Wenck,MN DOT