1,738 documents · page 14 of 35
A Solar Turbine document filed with EGLE on November 18, 2022. The document name and minimal context provided do not allow extraction of specific regulatory content, measurements, or risk data relevant to Arbor Hills Landfill operations.
Key data point: No specific factual reading or claim available from the document header alone.
This appears to be a reference to Solar Turbine equipment exiting through the west wall at Arbor Hills Landfill, likely related to gas-extraction or energy-recovery infrastructure. The document is titled as an EGLE filing from November 2022 but contains no substantive content, measurements, or regulatory details in the provided text.
Key data point: No specific factual reading or claim is present in this document excerpt.
This document appears to be a filing notice or administrative record label from the Michigan Department of Environment, Great Lakes, and Energy (EGLE) dated November 18, 2022, relating to equipment (air compressor, cooling, controls) located next to a solar installation at Arbor Hills Landfill. No substantive regulatory content, measurements, or findings are provided in the excerpt.
Key data point: No specific factual data or readings are present in this document.
This is a control room computer screen image from Arbor Hills Landfill dated November 16, 2022 at 11:30 AM, showing plant-wide monitoring data.
Key data point: No specific factual readings or measurements are legible or described in the provided document excerpt.
EGLE conducted an on-site observation of scheduled emissions testing (stack test) of Solar Turbine 4 at Arbor Hills Energy on November 16, 2022. The facility was in compliance; testing included H2S sampling via Draeger tubes and canister collection. Notably, H2S readings were elevated compared to 2021 (420–490 ppm versus 350–400 ppm), and an intermittent LFG odor was observed at ground level near the Mix Tank.
Key data point: H2S Draeger tube readings 420–490 ppm (Run 2: 420, 400 ppm; Run 3: 475, 490 ppm), up from 350–400 ppm range in 2021 testing; intermittent LFG odor observed at ground level near Mix Tank, November 16, 2022.
This is an air emission test report for Turbine No. 4 (EUTURBINE4-S3) at Arbor Hills Energy, LLC, documenting compliance testing performed on November 16, 2022, to verify NOx and SO2 emission rates from a landfill-gas-fueled Solar Taurus turbine. The measured emissions were found to be below all permitted limits specified in MI-ROP-N2688-2011a. The report includes detailed QA/QC procedures, fuel gas analyses, and a minor procedural note about pending NOx converter efficiency retesting with updated EPA-approved calibration gas.
Key data point: Measured SO2 emissions 6.57 lb/hr and NOx emissions 5.75 lb/hr (three-test average on 11/16/2022), both below permit limits of 9.02 lb/hr (NOx) and 0.15 lb/MMBtu (SO2).
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering October 2022, filed by Green for Life (GFL). The report documents wastewater quality parameters at the facility's final effluent, including flow, suspended solids, biochemical oxygen demand, nutrients, metals, pH, dissolved oxygen, and temperature monitoring. The document indicates "No Discharge" for the facility during this period.
Key data point: No quantitative measured readings are provided in this document—all data fields show asterisks (*****) or are marked for reporting only. The facility reported "No Discharge" for October 2022.
This document is a survey map results filing from EGLE dated November 4, 2022. The document header identifies it as a Survey Map Results submission but provides no substantive content, measurements, or specific environmental data in the excerpt provided.
Key data point: No specific factual readings or claims are present in the available text.
This document is a notification of a new horizontal collector installation at Arbor Hills Landfill, filed with EGLE on November 4, 2022. Horizontal collectors are infrastructure components used in landfill gas management systems. The filing appears to be procedural notification of a facility modification.
Key data point: No specific factual readings or measurements provided; document is a procedural notification of equipment installation.
EGLE conducted a targeted surface methane emission monitoring (SEM) survey on November 3, 2022, at Arbor Hills Landfill following recent exceedances of the methane action level (>40 ppm) detected by the Perimeter Monitor network. The survey identified 18 unofficial SEM hits above 500 ppm methane, primarily in the area near Monitors 4 and 5, and found that recent cover installation and collector modifications had partially addressed emissions but that elevated methane persists north of Monitor 4 near an N/S cement culvert.
Key data point: 18 unofficial SEM hits above 500 ppm methane identified; numerous exceedances of methane action level (>40 ppm over 15-minute average) on Perimeter Monitor network in recent weeks, November 2022.
EGLE wetlands analyst Kathryn Kirkpatrick approves a proposed relocation of an access drive at the Arbor Hills landfill RNG plant project (permit WRP033733) from a westward crossing to a southward route. The analyst confirms that the revised layout does not increase wetland impacts since the southern wetland was already included as a permanent impact in the original permit.
Key data point: No wetland-impact increase from access-road relocation; revised route approved by EGLE under existing permit WRP033733 (issued 06/24/2022, expires 06/24/2027).
EGLE issued a Violation Notice to Arbor Hills Landfill on October 13, 2022, for failure to timely identify and correct causes of Perimeter Methane Action Level exceedances. The company exceeded the 40 ppm methane threshold on 34 separate days between June and September 2022, violating Consent Judgment No. 2020-0593-CE paragraph 5.5 E. Despite conducting a root cause analysis that identified a cell liner tie-in problem and a suspected 650-foot band of elevated methane near monitors 4 and 5, the company failed to prevent continued exceedances within the required 48-hour corrective action window.
Key data point: 34 days of Perimeter Methane Action Level exceedances (40 ppm threshold) from June 10 through September 20, 2022; Consent Judgment violation CJ No. 2020-0593-CE paragraph 5.5 E.
GFL Environmental's Arbor Hills Landfill responded to an EGLE Violation Notice (VN-013462) documenting a leachate spill on August 4-5, 2022 that released an unknown volume of leachate mixed with surface water into a detention pond and the unnamed tributary to Johnson Drain. The violation cites failures under Part 115 (Solid Waste Management), Part 31 (Water Resources Protection), and Part 201 (Environmental Remediation) of Michigan's NREPA. EGLE requested remedial investigation, preventative work plans including secondary containment, and a Remedial Action Plan if analytical results warrant cleanup action.
Key data point: Leachate spill August 4-5, 2022; volume unknown; PFBS levels in Influent Pond (P3-6) 670,000 ng/L, Effluent Pond (P3-15) 24,000,000 ng/L, Outfall-CR 240,000,000 ng/L measured September 14, 2022; violations of Rule 299.4432(6), Rule 299.4436(1)(c), and Section 3109(1) of Part 31.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering September 2022, filed by Green for Life on October 4, 2022. The report documents water-quality parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen at the Final Effluent monitoring location. The facility reported "No Discharge" (Y) for the entire reporting period.
Key data point: Document contains no specific measured readings. All data cells are marked with asterisks (*****), indicating either no discharge occurred or values were not reported.
This document is a brief metadata or index entry for an EGLE Map of Results filed on September 27, 2022, with no substantive content provided.
Key data point: No specific factual reading or claim is present in the supplied text.
EGLE conducted a targeted Surface Emission Monitoring (SEM) survey on September 20, 2022, at Arbor Hills Landfill to investigate recent methane action-level exceedances near Perimeter Monitors 4 and 5. The inspection identified 7 locations with methane concentrations exceeding 500 ppm above background, with the highest readings (up to 23,670 ppm) associated with an old French drain system running parallel to the perimeter road. EGLE recommended that the landfill address all 7 exceedance locations and consider installing a horizontal gas-collection well in the area of concern.
Key data point: 7 monitored methane exceedances ≥500 ppm above background detected September 20, 2022, with peak readings of 23,670 ppm near an old French drain system; Consent Judgment No. 2020-0593-CE action-level threshold is >40 ppm over 15-minute average.
The Conservancy Initiative submitted comments on NPDES Permit MI0045713 opposing the permit's lack of PFAS (PFOS/PFOA) monitoring requirements for treated groundwater discharged from the Arbor Hills Landfill Remediation Site into Johnson Creek. The group argues that the site's history of widespread PFAS contamination, leachate handling failures, and poor compliance record justify mandatory periodic monitoring as a low-cost protective measure. They cite a 2021 stormwater pond sample exceeding PFOS limits by 33-fold and an August 2022 leachate spill into Johnson Creek, requesting at minimum seasonal monitoring at an estimated cost under $1,000 per occurrence.
Key data point: Stormwater detention pond contained 400 µg/L PFOS (limit 12 µg/L, 33× exceedance); over 80% of 130+ samples in 2021 STSWCS contained PFOS exceeding Michigan surface water standards; August 4, 2022 leachate spill to Johnson Creek (VN-013462).
The Conservancy Initiative submits regulatory comments on the NPDES Individual Permit (MI0045713) for Arbor Hills Landfill Remediation Site, urging EGLE to require PFOS/PFOA monitoring of treated groundwater discharged to Johnson Creek. The document catalogs widespread PFAS contamination at Arbor Hills, a pattern of poor compliance across environmental media, and specific violations including a 2021 stormwater pond sample with 400 µg/L PFOS (33× the 12 µg/L limit) and an August 2022 leachate spill into Johnson Creek.
Key data point: Stormwater detention pond contained 400 µg/L PFOS (limit: 12 µg/L) in 2021; August 4, 2022 leachate spill discharged unknown quantity into Johnson Creek; site in Significant Noncompliance with wastewater permit for 3+ years.
This is a Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area covering August 2022. The report documents compliance monitoring of wastewater discharge parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. The facility reported "No Discharge" for the period.
Key data point: The document contains no actual measured readings for August 2022; all data fields are marked with asterisks (*****) indicating no discharge occurred during the reporting period.
GFL Environmental requested and received a three-week extension (to October 7, 2022) to respond to an August 31, 2022 violation notice concerning a leachate release at Arbor Hills Landfill. The extension was needed to allow time for PFAS analysis and to prepare a report documenting results, mitigation measures via secondary containment, and assessment of whether a Part 115 remedial action plan is required.
Key data point: Violation notice issued August 31, 2022; response deadline extended to October 7, 2022 to allow 2+ weeks for PFAS testing and report preparation on leachate release and secondary containment workplan.
EGLE's Water Resources Division confirms sampling parameters for Arbor Hills Landfill following a spill incident, requesting analysis of water-quality metrics (boron, chloride, ammonia, TSS, COD, conductivity, pH) and PFAS compounds from stormwater pond influent/effluent and the site's NPDES sampling location. The agency provides a detailed minimum analyte list for PFAS testing methods and scheduling for early September 2022.
Key data point: No specific factual readings or measured values are provided; this is a procedural request for parameters to be sampled in response to a spill incident.
EGLE issued a public notice for the reissuance of NPDES Permit MI0045713 for Arbor Hills Landfill's remediation area, authorizing discharge of treated groundwater through Outfall 001 to Johnson Drain. The permit does not authorize discharge of compost pond water or treated landfill leachate, as those modification applications were withdrawn. PFOS and PFOA monitoring is not required because concentrations were shown to be below levels of concern.
Key data point: PFOS and PFOA concentrations in treated groundwater discharge shown below levels of concern; monitoring not required at this time.
This is an NPDES wastewater discharge permit (MI0045713) issued by EGLE in September 2022 for treated groundwater discharge from the Arbor Hills Remediation Area in Northville, Michigan. The permit authorizes discharge of up to 0.1 MGD through Outfall 001 to an unnamed tributary to Johnson Drain and establishes detailed monitoring and quality limits for various parameters including temperature, mercury, cyanide, and suspended solids.
Key data point: No specific measured readings provided. Document is a regulatory permit instrument setting permitted discharge limits and monitoring protocols; actual operational data would appear in discharge monitoring reports (DMRs).
This is a draft basis-for-decision memo for permit reissuance MI0045713 governing the Arbor Hills Remediation Area's discharge of up to 0.1 MGD of treated groundwater through Outfall 001 to an unnamed tributary of Johnson Drain. The memo establishes effluent limits and monitoring requirements for conventional pollutants (TSS, CBOD5, ammonia, phosphorus), metals (arsenic, selenium, mercury, cyanide), temperature, pH, and dissolved oxygen, with seasonal variations and 3x-weekly sampling frequencies. A prior PFOS/PFOA concern was resolved as below levels of concern; compost-pond storm water discharge is no longer permitted.
Key data point: No specific measured readings are provided; this is a permit ceiling and monitoring protocol document. All numerical values stated are permitted limits or monitoring thresholds, not field observations.
GFL Environmental requested withdrawal of two major permit modification applications (HNX-4WR0-YEVGA and HNY-QX3S-BNZXS) submitted in 2020, stating this was necessary to process a new permit for Arbor Hills. EGLE confirmed the withdrawal on September 7, 2022.
Key data point: No specific factual reading or violation data present; procedural confirmation only.
This is a draft NPDES permit (MI0045713) authorizing Arbor Hills Landfill to discharge up to 0.1 MGD of treated groundwater from its Remediation Area to an unnamed tributary of Johnson Drain. The permit sets detailed effluent limitations for suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorous, cyanide, mercury, and temperature, with monitoring requirements ranging from weekly to daily depending on the parameter. The permit would expire October 1, 2026, and requires the permittee to report noncompliance within 24 hours for violations endangering health or the environment.
Key data point: No measured readings provided. This is a draft permit document setting permitted discharge limits and monitoring frequencies, not a report of actual measured values.
GFL Environmental requested and obtained confirmation from EGLE to withdraw two Major Modification permit applications (HNX-4WR0-YEVGA submitted February 2020 and HNY-QX3S-BNZXS submitted April 2020) for Arbor Hills Landfill. The withdrawal was necessary to proceed with processing a new permit application.
Key data point: No specific factual readings or violations documented; this is a procedural withdrawal confirmation.
This is a legal response to an August 23, 2022 violation notice issued by EGLE for an alleged Rule 336.1201 air quality violation at Arbor Hills RNG facility (SRN N2688). The company disputes the violation, arguing that only site preparation and foundation work has occurred, not installation of process equipment requiring a permit, and that construction is mandated under a December 2021 Consent Decree.
Key data point: No specific factual measurements or violation details provided; document is a procedural dispute over whether foundation construction triggers Rule 201 air quality permit requirements.
EGLE issued a violation notice to Arbor Hills Landfill on August 31, 2022, for a leachate spill that occurred on August 4, 2022, after operating hours. The leachate co-mingled with surface water, entered the detention pond, and drained into an unnamed tributary to Johnson Drain. EGLE determined violations of Part 115 (Solid Waste Management), Part 31 (Water Resources Protection), and Part 201 (Environmental Remediation) of the NREPA, and requested a remedial investigation, work plan with secondary containment measures, and confirmation sampling by September 16, 2022.
Key data point: Leachate spill on August 4, 2022, with unknown volume released into surface waters and unnamed tributary to Johnson Drain; violations of leachate disposal and water discharge requirements.
This 54-page technical report documents PFAS and other chemical analysis of stormwater samples collected on August 5, 2022 from three locations at Arbor Hills Landfill following a spill response event. Laboratory results from August 10, 2022 show elevated levels of perfluorinated compounds (PFAS) including PFBS, PFOA, PFOS, and fluorotelomer sulfonic acids (FtS 6:2) in impacted stormwater that was pumped to the onsite leachate treatment system. The report also includes photographs of leachate pump station repairs and stormwater diversion measures taken during the incident.
Key data point: FtS 6:2 measured at 13,000 ng/L in sample P3-6 (W), collected 2022-08-05; PFBS measured at 2,100 ng/L in same sample; PFOS-Total measured at 1,300 ng/L in P3-6; stormwater from south ditch pumped to onsite leachate treatment system.
This is a draft NPDES permit (No. MI0045713) issued by EGLE on August 24, 2022, for the Arbor Hills Remediation Area, authorizing discharge of treated groundwater from a monitoring point through an outfall to an unnamed tributary of Johnson Drain. The permit specifies detailed effluent limitations and monitoring requirements for parameters including flow, suspended solids, biological oxygen demand, nutrients, cyanide, temperature, thermal discharge, mercury, pH, and dissolved oxygen, with monitoring frequencies ranging from daily to quarterly.
Key data point: No specific measured readings are provided; this is a draft permit document setting regulatory limits and monitoring requirements, not a report of actual field data.
EGLE's Air Quality Division cited Arbor Hills Energy LLC for commencing installation of a Renewable Natural Gas (RNG) plant without obtaining a required Air Use Permit to Install, in violation of Rule 201. The violation occurred during inspections on July 26 and August 8, 2022, and the company was given until September 10, 2022 to respond; EGLE noted no penalties or injunctive relief were being sought and acknowledged the company's obligations under a concurrent Consent Decree.
Key data point: RNG plant installation commenced without Air Use Permit to Install, violation of R 336.1201 (Rule 201), inspections July 26 and August 8, 2022.
This is a First Amendment to a December 2021 federal Consent Decree between the United States, Michigan EGLE, Arbor Hills Energy LLC, and Arbor Hills RNG LLC, modifying compliance requirements for landfill gas emissions at the Arbor Hills site. The amendment shifts the operator from an initially selected SO2-limiting Sulfur Treatment System pathway to a Renewable Natural Gas (RNG) facility pathway, and delays the final compliance deadline from March 31, 2023 to October 31, 2023 due to COVID-19 supply chain impacts. Between May 15 and October 30, 2023, an interim hydrogen sulfide treatment requirement (20 ppmv or less) is imposed during the transition period.
Key data point: H2S concentration standard of 20 ppmv or less required for Interim LFG Treatment Period between May 15, 2023 and October 30, 2023; RNG Option Final Compliance Deadline extended to October 31, 2023.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area for July 2022, submitted by Green for Life (GFL) under permit MI0045713 v5.0. The report indicates "No Discharge" for the monitoring period and lists permitted limits for effluent parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. The document is a standard regulatory filing with no actual measured values reported.
Key data point: No measured discharge data provided; document states 'No Discharge: Y' for all parameter sets during the July 1–31, 2022 period.
This document reports methane emissions from the Turbine 4 stack at Arbor Hills Landfill. The filing is dated August 11, 2022, and appears to be an EGLE (Michigan Department of Environment, Great Lakes, and Energy) regulatory submission related to gas extraction operations.
Key data point: Document title indicates methane emissions from Turbine 4 stack, but the actual text provided contains no specific quantitative readings, emission rates, or measured values.
This document is a thermal image from EGLE showing methane emissions from the landfill's flare system, comparing two enclosed flares and one candlestick flare. The lighter color in the image indicates areas of methane concentration. The image provides visual evidence of gas extraction and flaring operations at the site.
Key data point: No specific quantitative measurements provided; thermal image documentation of methane flaring at Arbor Hills Landfill, August 2022.
This document appears to be a file reference or header for Well 16R6, a monitoring point at Arbor Hills Landfill, filed with EGLE on August 11, 2022. The document itself contains no substantive data, measurements, or findings — only a label and agency notation.
Key data point: No specific factual reading or claim provided in this document.
This document references an AHE RNG (renewable natural gas) plant construction site as an EGLE site type, dated August 2022. No specific data, violations, or detailed environmental findings are provided in the text excerpt.
Key data point: No specific factual readings or claims are stated in this document excerpt.
EGLE filed monitoring data for Well WW-16R6 on August 11, 2022. The document appears to be a well-status record but contains no substantive text, measurements, or findings in the excerpt provided.
Key data point: No specific factual reading or claim is stated in the available document text.
On August 11, 2022, EGLE documented a general ventilation stack leak at Arbor Hills Landfill. The report indicates a structural failure in the ventilation infrastructure serving the active waste mass.
Key data point: General ventilation stack leak identified and documented by EGLE on 2022-08-11; specific flow rate or emission data not provided.
An oil leak was reported near Turbine Stack #3 at Arbor Hills Landfill on August 11, 2022. The document title identifies the incident but the provided text contains only a header and does not include specific details about the leak's volume, composition, location coordinates, cleanup status, or environmental impact assessment.
Key data point: No specific quantitative or factual data provided in the document excerpt.
This document references methane emissions data from Turbine 3 stack at the Arbor Hills Landfill, filed with EGLE on August 11, 2022. However, the actual content of the document is not provided, limiting detailed analysis of specific measurements or findings.
Key data point: No specific factual readings or quantifiable data are present in the document excerpt provided.
EGLE conducted a Full Compliance Evaluation of Arbor Hills Landfill on August 8, 2022, using thermal and methane detection equipment. The inspection found non-compliance, including elevated ground temperatures up to 135°F at well WW-16R6, methane emissions from flares and the AHE facility, and multiple operational deficiencies (oil leak, ammonia leak, poor ventilation equipment condition). The facility was recommended to address methane leaks, fill subsidence areas at the elevated-temperature well, and improve flare maintenance.
Key data point: 135°F measured at well WW-16R6 with steam columns, bubbling landfill gas at ~5000 ppm, and ash-tray odors detected 100+ feet downwind; compliance status: Non-Compliance.
EGLE Air Quality Division documented a leachate overflow incident at Arbor Hills Landfill on August 4, 2022, when a pump failure at the West Lift Station during heavy rains caused leachate to mix with surface water and overflow into a perimeter storm water ditch and Johnson Creek tributary. GFL implemented containment measures (berms, pond weir adjustments, vacuum trucks) and EGLE requested liquid and soil sampling for key parameters including PFAS, with continued pond-flow reduction pending results.
Key data point: Leachate overflow from West Lift Station into Johnson Creek tributary on 08/04/2022 following pump failure during heavy rains; PFAS sampling ordered.
A photograph-based document from EGLE dated July 28, 2022 depicting a ground-level view of a construction site at Arbor Hills Landfill. No narrative description, measurements, or regulatory findings are provided.
Key data point: Document contains no specific factual readings or regulatory claims.
Ground subsidence and cracking observed around well WW-16R6, indicating formation of a void caused by subsurface chemical reaction that is charring waste and reducing its volume. This represents ongoing subsurface oxidation and smoldering activity within the landfill waste mass. The physical ground deformation is direct evidence of elevated temperature reactions occurring beneath the surface.
Key data point: Ground cracks and subsidence at well WW-16R6 from subsurface chemical reaction charring waste and reducing volume, filed July 28, 2022.
This document is identified as an EGLE SEM (Subsurface Environmental Monitoring) Survey Results Map dated July 2022. No specific data, measurements, or findings are provided in the available text.
Key data point: No specific factual readings or claims are discernible from the document header alone.
A construction site document from EGLE dated July 2022 showing the start of foundation work for a building. The document appears to be a photograph or visual record of early-stage construction activity.
Key data point: No specific factual measurements or regulatory claims are discernible from the document description.
EGLE conducted a July 26, 2022 on-site air quality inspection at Arbor Hills Landfill (N2688) and found 22 methane exceedances above the 500 ppm federal standard, primarily along Cell 6 liner seams and a buried gas line. The inspection also documented a critically active subsidence area around well AHWW16R6 showing 185°F temperature, 7000+ ppm CO, and visible surface cracks, plus unpermitted RNG construction activity without an air permit.
Key data point: Well AHWW16R6: 185°F with 7000+ ppm CO and 2–3% hydrogen, subsidence bowl ~50 yards across, tilted well, ash-tray odor; 22 methane SEM exceedances documented; Rule 201 violation notice issued for unpermitted construction.
This is a Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area covering June 2022. The report documents water-quality monitoring parameters (flow, suspended solids, CBOD, ammonia, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen) from the facility's final effluent. The report indicates "No Discharge" for the period.
Key data point: No specific measured values are provided in this DMR; all actual readings are marked with asterisks (*****) indicating data was not entered or is not displayed in this version of the document.