2025-09-15 · Arbor Hills Energy · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is a 113-page Renewable Operating Permit (ROP) and Permit to Install (PTI) issued to Advanced Disposal Services Arbor Hills Landfill (SRN N2688) in Northville, Michigan, effective January 24, 2011, with a revision date of March 28, 2018. The permit governs air quality operations including landfill gas collection and control systems, with detailed requirements for surface methane monitoring, wellhead temperature and oxygen monitoring, and reporting of exceedances and deviations.
Key data point: Document contains no specific measured temperature, CO, or other quantitative readings; it is a regulatory permitting document setting operational standards (e.g., interior wellhead temperature limit <55°C / <131°F and oxygen <5%, surface methane monitoring threshold 500 ppm above background, with exception allowing higher operating values at particular wells subject to AQD approval).
2025-09-15 · Arbor Hills Energy · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is the staff report and administrative amendment documentation for the Renewable Operating Permit (ROP) No. MI-ROP-N2688-2011a for Veolia-Arbor Hills Landfill, Inc., a 337-acre municipal solid waste landfill in Northville, Michigan. The permit consolidates all applicable federal and state air quality requirements, including NSPS for municipal solid waste landfills and MACT standards, and documents the site's operational structure across three sections (Veolia operating portion, BFI gas rights, and Gas Recovery Systems treatment). The March 2018 administrative amendment updated ownership information following Advanced Disposal Services' takeover from BFI in February 2017.
Key data point: No specific factual data, measurements, or violation readings are contained in this permit staff report; it is a regulatory procedural document establishing permit terms and regulatory framework.
2025-09-15 · Arbor Hills Energy · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is the Michigan Renewable Operating Permit (ROP No. MI-ROP-N2688-2011a) and Permit to Install (PTI No. MI-PTI-N2688-2011a) issued to Advanced Disposal Services Arbor Hills Landfill, Inc. (SRN N2688) in Northville, Michigan. The permit, effective January 24, 2011 and revised March 28, 2018, establishes operational and monitoring requirements for the landfill's gas collection and control systems under federal NSPS WWW and NESHAP AAAA standards. It specifies conditions for gas extraction, surface methane monitoring, wellhead temperature and oxygen monitoring, and reporting obligations.
Key data point: No specific measured temperature, CO, or other environmental readings are provided in this permit document. The document contains operational limits (e.g., <55°C at wellheads, <5% oxygen, 500 ppm methane surface threshold) and procedural requirements, but no actual field data or violation records.
2025-09-15 · Arbor Hills Energy · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is the Michigan Department of Natural Resources & Environment Air Quality Division's Staff Report and Administrative Amendment for the Renewable Operating Permit (ROP No. MI-ROP-N2688-2011a) for Veolia-Arbor Hills Landfill, Inc., a 337-acre municipal Type II solid waste landfill in Salem Township, Washtenaw County. The permit consolidates state and federal air quality requirements, addresses landfill gas collection and treatment, and documents emissions of carbon monoxide (186.34 tons/year), nitrogen oxides (132.04 tons/year), and other pollutants. The document includes a November 2010 staff report, December 2010 addendum noting no public comments, and a March 2018 administrative amendment reflecting a change of ownership in Section 2 from BFI to Advanced Disposal Services.
Key data point: Total stationary source emissions reported to Michigan Air Emissions Reporting System (2009 submittal): Carbon Monoxide 186.34 tons/year, NOx 132.04 tons/year, PM 42.07 tons/year, SO2 45.56 tons/year, VOCs 2.97 tons/year, NMOC 68.32 tons/year.
2025-09-15 · Arbor Hills Landfill · evidence · notable
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This is the 2025 first semi-annual Consent Judgment report filed by Arbor Hills Landfill (CJ No. 2020-0593-CE), including hydrogen sulfide gas monitoring data from numerous wells throughout the facility and surface exceedance event documentation. The report shows detailed well-by-well H2S concentrations from April–May 2025 and records of surface emissions corrections performed in Q1 and Q2 2025.
Key data point: H2S concentrations ranged from 0–576 ppm across 150+ monitored wells in April–May 2025; highest reading 576 ppm at well AH148AR3 on 4/30/2025. Surface exceedance events documented in Q1 and Q2 2025 all marked as 'Cleared' after corrective action (soil placement, pump servicing).
2025-09-11 · Arbor Hills Landfill · procedural · notable
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Arbor Hills Landfill requested a 60-day extension from EGLE to complete installation of horizontal gas collection lines near Cell 6C after perimeter monitors (MS-2 through MS-6) detected methane alarms exceeding 40 ppm. The extension, filed under Consent Judgment 2020-0593-CE, is needed to design, procure a contractor, and install the collection system by November 10, 2025.
Key data point: Perimeter monitors MS-2, MS-3, MS-4, MS-5, MS-6 alarmed >40 ppm CH4 (methane) recently; gas collection installation needed near Cell 6C north ditch line; 60-day extension requested to November 10, 2025.
2025-09-10 · Arbor Hills Landfill · evidence · notable
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GFL filed a semi-annual ROP compliance certification for Arbor Hills Landfill covering January–June 2025. The submission discloses one deviation: a 14-hour failure to record flow and temperature data every 15 minutes on the enclosed flares unit (FGENCLOSEDFLARES-S2) on January 17, 2025, due to a data recorder malfunction.
Key data point: 14-hour deviation from continuous flow/temperature monitoring on FGENCLOSEDFLARES-S2, January 17, 2025, caused by data recorder malfunction.
2025-09-10 · Arbor Hills Remediation Area · evidence · routine
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This is a Discharge Monitoring Report (DMR) for Arbor Hills Remediation Area covering August 2025, filed by GFL Environmental under permit MI0045713 v.6. The report documents monitoring of treatment pond discharge (Limit Set 001A) and includes parameters for flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, cyanide, mercury, PFOS/PFBS/PFOA, temperature, pH, dissolved oxygen, and visual/equipment inspections. The document indicates 'No Discharge' for the reporting period.
Key data point: No quantitative measured readings are provided in this DMR; all daily data fields show asterisks (*****) indicating no reportable values or 'No Discharge' status for August 2025.
2025-09-10 · Arbor Hills Energy · procedural · routine
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This is a procedural air quality test observation form for NOx and SO2 emissions testing conducted at Arbor Hills Energy (N1504) on August 27, 2025, completed September 10, 2025. The form documents stack sampling methodology, calibration data, and preliminary gas concentration results including NOx measurements averaging 30.3 ppm (33.2 ppm at 15% O2 reference) and O2 concentration at 15.5%. The document is a regulatory compliance observation record with no evidence of violation or concern.
Key data point: No specific factual violation or concern stated. Document is a standard test observation form recording baseline NOx (30.3 ppm average, 33.2 ppm at 15% O2) and O2 (15.5%) measurements during an August 27, 2025 stack test at facility N1504.
2025-09-10 · Arbor Hills Landfill · evidence · urgent
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Arbor Hills Landfill submitted its first semi-annual 2025 NESHAP report to EGLE, covering January 1 through June 30, 2025. The report documents monitoring of wellhead pressure and temperature, control device operations, surface emissions, and enhanced monitoring at two wells, asserting full compliance with landfill NESHAP operational standards.
Key data point: Well AHW263R5 measured at 161.6°F on 05/20/25 (16.6°F above the 145°F NESHAP standard); Well AHWW328R measured at 156.8°F on 05/01/25 (11.8°F above standard); both wells on enhanced monitoring due to subsurface oxidation concerns.
2025-09-10 · Arbor Hills Landfill · evidence · notable
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Arbor Hills Landfill filed its semi-annual ROP deviation report for January–June 2025, disclosing six instances of wellhead temperature exceedances, 560 wellhead pressure exceedances, and a 14-hour data-recorder malfunction at an enclosed flare. All temperature exceedances except three were corrected within six days; surface methane monitoring showed five to six exceedances per quarter, all corrected after re-monitoring.
Key data point: Six (6) instances of temperature exceedance at gas extraction wells during Jan–Jun 2025; three required enhanced monitoring and took longer than six days to correct. Specific temperature values and well IDs not disclosed in this summary report.
2025-09-10 · Arbor Hills Landfill · evidence · Source: GFL / Arbor Hills Landfill transmittal, 2025-09-10; obtained via the June-2026 FCE records-request package
2025-08-27 · Arbor Hills Energy · evidence · notable
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EGLE conducted an air quality stack test observation at Arbor Hills Energy (AHE) on August 26, 2025, monitoring Turbine #2 emissions during stratification and operational testing. The inspector identified a significant methane leak (~3000 ppm) from a high-capacity roof vent near the turbine building, likely originating from one of the turbines, as well as elevated H₂S levels (375 ppm) and ongoing equipment issues at the RNG plant including recent pipe failures and carbon column breakthroughs.
Key data point: Methane leak measured at 3000 ppm in roof vent ductwork at AHE turbine building; H₂S levels reported at 375 ppm (range 300–450 ppm); NOx stratification test measured 32–35 ppm during stack testing on August 26, 2025.
2025-08-27 · Arbor Hills Energy · procedural · routine
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EGLE approves the emissions testing protocol for Arbor Hills Energy, LLC's gas turbines (EUTURBINE1–4), scheduled to begin August 5, 2025. The test will measure nitrogen oxides and sulfur dioxide against permit limits under federal regulations (40 CFR Parts 60 Subparts KKKK and GG). The approval letter specifies detailed testing requirements, load conditions, stratification checks, and reporting standards.
Key data point: EGLE approved test protocol for four gas turbines at Arbor Hills Energy, LLC; testing scheduled August 5, 2025, to measure NOx and SO2 under PTI 68-23A v2.0 and federal standards 40 CFR 60 Subparts KKKK and GG.
2025-08-21 · Arbor Hills Remediation Area · procedural · routine
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This is a routine July 2025 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area treatment pond, filed by GFL Environmental under permit MI0045713 v6.0. The report documents daily and weekly monitoring of discharge parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, cyanide, mercury, PFAS compounds (PFOS, PFBS, PFOA), temperature, pH, and dissolved oxygen. The treatment pond had 'No Discharge' status throughout the reporting period ("No Discharge: Y"), meaning no actual effluent was released.
Key data point: No specific factual readings are provided in this document; all measured data fields contain asterisks (*****) indicating data was not entered or is being withheld. Temperature parameter is listed as "REPORT" (required to report but no value given); pH limits are 6.5–9.0 SU (permitted range); dissolved oxygen minimum is 7.0 mg/L (permitted limit).
2025-08-13 · Arbor Hills Remediation Area · evidence · notable
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Arbor Hills Remediation Area submitted a PFAS Non-POTW Effluent Monitoring Report for Outfall-001A on August 13, 2025, with laboratory analysis of 28 required PFAS analytes from a sample collected April 17, 2025. Several PFAS compounds were detected at low levels (PFOS 1.9 ng/L, PFOA 7.4 ng/L, PFBA 83 ng/L, PFHxA 47 ng/L, PFPeA 46 ng/L, and others), though many analytes were non-detect; quality control issues were flagged for some results (recovery bias).
Key data point: PFBA detected at 83 ng/L, PFOS at 1.9 ng/L, PFOA at 7.4 ng/L in treated effluent Outfall-001A, sampled 2025-04-17; laboratory QC issues noted (LCS and CCV recovery exceeds upper control limits).
2025-08-13 · Arbor Hills Landfill · evidence · routine
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An EGLE air-quality inspector conducted a post-storm site visit on 07/31/2025 after 5 inches of rain, documenting erosion damage and mudslides into a new cell. The inspector observed a narrow plume of strong gas odors near the RNG plant and GFL office, likely from the RNG facility, and noted stormwater pumping activity from a cell that may have received sediment from waste areas.
Key data point: Narrow plume of strong gas odors observed between AHE/GFL office and RNG plant on 07/31/2025 with NE winds; source uncertain but possibly RNG plant.
2025-08-12 · Arbor Hills Energy · procedural · routine
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Arbor Hills Energy LLC submitted a revised testing protocol to EGLE's Air Quality Division on July 3, 2025, in response to a June 23 information request. The company has obtained an updated PTI (Permit to Install) allowing operational flexibility for diesel usage during startups and turbine troubleshooting, and has rescheduled emissions testing to August 5–8, 2025, to satisfy annual SOx testing requirements and conduct a catch-up test for 2024.
Key data point: No specific measured readings. Document is a procedural notice of rescheduled testing (August 5–8, 2025) and revised protocol submission following PTI issuance.
2025-08-05 · Arbor Hills Landfill · procedural · Source: EGLE Materials Management Division
2025-08-01 · Arbor Hills Landfill · procedural · routine
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GFL reports that a significant rainfall event (>5 inches) on July 29–30, 2025, caused no damage to the Gas Collection and Control System (GCCS), no power interruptions, no equipment issues, and only minor erosion on the landfill cover. EGLE inquired about potential impacts following the storm.
Key data point: No quantitative operational or environmental readings provided; GFL states GCCS, RNG collection, and landfill cover sustained no significant impacts from >5 inch rain event, 7/29/25.
2025-07-31 · Arbor Hills Remediation Area · opinion · routine
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GFL's Vice President responds to a Conservancy Initiative blog post about PFOS in Johnson Creek, asserting that PFOS originated from firefighting foam used at an adjacent third-party facility during a 2016 fire, not from landfill operations. The letter claims remediation efforts (pond closures and excavations in 2022–2024) have eliminated PFOS sources, and presents quarterly water-quality data showing Johnson Creek PFOS concentrations of 0.8–6.2 ng/L, below or near Michigan's baseline for natural waterways.
Key data point: PFOS in Johnson Creek samples: CR-7 (downstream) range 1.9–7.2 ng/L (PFOA) and 1.9–5.1 ng/L (PFOS) from Apr 2022 to Aug 2023; later data Apr 2024–Jun 2025 show PFOS 2.5–3.5 ng/L. Single upstream sample Aug 13, 2021 at 13 ng/L exceeded 12 ng/L HNV but was taken from a point upstream of tributary confluence.
2025-07-30 · Arbor Hills Landfill · evidence · routine
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This Q2 2025 Wells of Interest Status Report documents liquid level monitoring and management across Arbor Hills East and West Landfills, covering well screen submersion, obstruction conditions, and pump operation for 81+ monitored gas extraction wells. The report tracks maintenance actions taken in the quarter and assigns follow-up tasks, with numerous wells showing operational challenges including stuck pumps, obstructions, and inadequate screen exposure.
Key data point: Well AHW272R4 (Arbor Hills West) shows dry conditions in Q2 2025 with constructed depth of 218 ft and 216 ft screen length; no temperature or CO readings are provided in this liquid-level focused document.
2025-07-30 · Arbor Hills Landfill · evidence · routine
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This is a Q2 2025 Liquid Level Report for Arbor Hills East Vertical Gas Wells, documenting leachate depths and screen submersion percentages across multiple wells from July 2022 through June 2025. The report tracks operational data on gas extraction wells at the landfill, showing variations in liquid levels and sediment accumulation. No temperature, carbon monoxide, oxygen, or other quantitative measurements are present—only hydraulic and structural well parameters.
Key data point: Document contains no specific factual readings related to temperature, emissions, violations, or regulatory thresholds. It is a purely hydrological monitoring table.
2025-07-30 · Arbor Hills Landfill · evidence · routine
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Arbor Hills Landfill submitted its Q2 2025 Consent Judgment quarterly report, including a Vertical Gas Collection (VGC) Well Liquid Monitoring and Management Report prepared by SCS Engineers. The report documents the status of gas extraction wells, liquid levels, pump conditions, and gas monitoring data across both the East and West sections of the landfill, and identifies wells requiring corrective actions or further evaluation.
Key data point: No specific measured temperature, CO, or other exceedance readings are reported in the extracted pages; the document focuses on well condition, liquid levels, screen submersion percentages, and pump functionality across multiple wells in Q2 2025.
2025-07-28 · Arbor Hills Remediation Area · evidence · routine
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GFL Environmental submitted wastewater samples from Arbor Hills Landfill Outfall 001A to Trace Analytical Laboratories on April 17–18, 2025, for NPDES permit compliance testing. The samples were analyzed for conventional wastewater parameters (ammonia, suspended solids, BOD, cyanide, mercury) and an extensive PFAS panel under EPA 537M. Several PFAS compounds were detected at low ng/L levels, with PFBA at 83 ng/L being the highest reported analyte.
Key data point: PFBA 83 ng/L (Outfall 001A Grab sample, collected 04/17/2025 11:40)
2025-07-28 · Arbor Hills Remediation Area · evidence · notable
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This is a PFAS (per- and polyfluoroalkyl substances) monitoring report submitted to the state for Arbor Hills under NPDES permit MI0045713, covering an effluent sample from Outfall-001A collected on April 17, 2025. The report documents detectable levels of several PFAS compounds including PFOS (1.9 ng/L), PFOA (7.4 ng/L), PFBS (11 ng/L), and PFBA (83 ng/L), with many analytes below detection limits; the laboratory noted potential high bias in some results due to recovery control issues.
Key data point: PFBS 11 ng/L, PFBA 83 ng/L, PFOA 7.4 ng/L, PFOS 1.9 ng/L detected in Outfall-001A effluent, April 17, 2025; laboratory QA/QC notes indicate possible high bias in results.
2025-07-23 · Arbor Hills Landfill · procedural · routine
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EGLE's Air Quality Division filed a request for a Higher Operating Value (HOV) temperature waiver for well AHW263R5 at Arbor Hills Landfill. The document is a transmittal letter with no specific temperature readings, limits, or technical details disclosed.
Key data point: No specific factual readings or waiver parameters stated in document; attachment referenced but not provided.
2025-07-23 · Arbor Hills Landfill · procedural · notable
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EGLE's Air Quality Division approved Green for Life Environmental's request for a Higher Operating Value (HOV) temperature waiver of 170°F for vertical gas extraction well AHW263R5 at Arbor Hills Landfill, effective July 23, 2025. The well, installed May 17, 2025, shows reduced methane but elevated carbon monoxide levels. The approval is conditional on quarterly CO and H2 sampling and visual monitoring, with the HOV allowing operation above the standard MACT limit of 145°F.
Key data point: HOV approval: 170°F for AHW263R5 (25°F above MACT limit of 145°F); well installed May 17, 2025; elevated CO levels documented; subsurface oxidation source disputed by operator.
2025-07-23 · Arbor Hills Landfill · procedural · notable
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Arbor Hills Landfill requests approval for a Higher Operating Value (HOV) of 170°F for temperature monitoring well AHW263R5, installed in May 2025 on Cell 1D. The facility attributes elevated temperatures to heat accumulation in the waste mass from biological and abiotic processes rather than subsurface combustion, and presents six months of weekly gas-composition data (CO, H₂, CH₄, N₂) to support the request.
Key data point: HOV request: 170°F for well AHW263R5 (newly installed May 17, 2025); drill-log temps during installation ranged 140–160°F; weekly CO readings 100–150 ppm (05/27–06/10/25); facility claims subsurface oxidation ruled out by weekly sampling.
2025-07-23 · Arbor Hills Landfill · procedural · notable
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
EGLE Air Quality Division approved a Higher Operating Value (HOV) temperature waiver of 170°F for vertical gas extraction well AHW263R5 at Arbor Hills Landfill on July 23, 2025. The approval allows operation above the MACT limit of 145°F, conditioned on quarterly CO and H2 sampling and visual monitoring. GFL stated subsurface oxidation is not the source of elevated temperatures and that reduced methane and elevated carbon monoxide have been observed since the well's installation in May 2025.
Key data point: HOV approval: 170°F for AHW263R5 (25°F above MACT limit of 145°F), effective July 23, 2025; well installed May 17, 2025 with elevated CO levels observed.
2025-07-23 · Arbor Hills Landfill · procedural · notable
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EGLE's Air Quality Division submitted a request for a Higher Operating Value (HOV) temperature waiver for well AHW263R at the Arbor Hills Landfill. The document is a cover letter transmitting the waiver request but does not provide specific temperature data, thresholds, or justification details.
Key data point: HOV waiver request for well AHW263R submitted by EGLE Air Quality Division on 2025-07-23; specific temperature values not stated in this cover letter.
2025-07-23 · Arbor Hills Landfill · evidence · Source: EGLE Air Quality Division (Jackson District Office)
2025-07-15 · Arbor Hills Landfill · procedural · notable
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Arbor Hills Landfill requests a Higher Operating Value (HOV) of 170°F for temperature at well AHW263R5, installed May 17, 2025. The facility attributes elevated temperatures to heat accumulation from biological and abiotic processes in the waste mass, argues that subsurface oxidation is not present based on weekly gas sampling, and states that active heat removal through gas extraction is the appropriate management strategy.
Key data point: Well AHW263R5 measured temperatures ranging from 148°F to 161.6°F (May 20–July 14, 2025); drill cuttings during installation showed 140–160°F; requested HOV of 170°F. CO levels in wellhead gas ranged from 50–200 ppm over the same period.
2025-07-15 · Arbor Hills Landfill · evidence · Source: Arbor Hills Landfill, Inc. (Green for Life) to EGLE AQD
2025-07-11 · Arbor Hills Energy · procedural · routine
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EGLE Air Quality Division approved the emissions testing protocol for Arbor Hills Energy's gas turbines, effective July 22, 2025, with testing scheduled to begin August 5, 2025. The approval covers nitrogen oxides and sulfur dioxide testing on four turbine units under federal regulations 40 CFR Part 60 Subparts KKKK and GG. All testing must follow specified EPA methods, load conditions, stratification checks, and detailed reporting requirements.
Key data point: Testing protocol approved for EUTURBINE1–4 with NOx limits ranging from 40 CFR 60.332(a)(2) to 74 ppmvd@15% O2 and sulfur dioxide limits of 0.15–0.5 lb/hr or lb/mmbtu; testing begins August 5, 2025.
2025-07-11 · Arbor Hills Landfill · procedural · routine
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Arbor Hills Landfill submitted its Second Quarter 2025 Perimeter Monitor Root Cause Analysis Investigation Report to EGLE on July 11, 2025, in compliance with Consent Judgment No. 2020-0593-CE. The report documents the facility's systematic investigation procedure for perimeter monitoring alarms (40 ppm methane or 7 ppm H2S action levels) and includes multiple root cause analyses conducted in April 2025. All documented investigations found no cover concerns, no leachate collection system issues, and no compost facility concerns.
Key data point: Perimeter monitor action level thresholds: 40 ppm methane, 7 ppm hydrogen sulfide. Multiple root cause analyses conducted April 2–28, 2025 documented no deficiencies identified.
2025-07-11 · Arbor Hills Landfill · evidence · Source: EGLE
2025-07-08 · Arbor Hills Landfill · evidence · urgent
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GFL – Arbor Hills Landfill submitted its 2025 First Semi-Annual WOI (Wells of Interest) Status Report to EGLE detailing landfill gas monitoring, well performance, and subsurface conditions from January through June 2025. The report documents ongoing gas extraction infrastructure improvements, well replacements, and temperature/chemical monitoring across the monitored well network, with no new subsidence, cracks, or geysers reported since 2019.
Key data point: Well AHWW0279 reached 156.1°F on 6/24/2025 (permitted HOV ceiling: 155°F); consistent measured temperatures at or near 155°F limit across multiple WOI wells (AHWW0279, AHWW312R2); methane 48–53%, oxygen 1.3–1.8% in landfill gas.
2025-07-03 · Arbor Hills Energy · procedural · routine
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This is a Stack Test Protocol submitted by Impact Compliance & Testing, Inc. on behalf of Arbor Hills Energy for compliance testing of three EGT-Typhoon gas-fired turbines at the Arbor Hills Landfill (SRN N2688) under Permit to Install 68-23A. The protocol outlines procedures for measuring NOx and SO2 emissions from landfill-gas-fueled turbines using standardized EPA and ASTM methods, with testing planned for February 18, 2025 and August 5, 2025.
Key data point: No specific measured emissions data provided; this is a pre-test protocol document. Estimated flue gas temperature 500°F and O2 content 15.9% at exhaust stack; SO2 limit 0.5 lb/hr; NOx subject to 40 CFR Part 60 Subpart GG.
2025-07-03 · Arbor Hills Energy · procedural · routine
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Arbor Hills Energy is conducting a stack test on August 5, 2025, to measure NOx and SO2 emissions from a 5.2 MW Solar Taurus turbine (EUTURBINE4) fueled by landfill gas at the Arbor Hills Landfill facility. The protocol outlines EPA-compliant sampling, analytical, and quality-assurance procedures to verify compliance with PTI No. 68-23A v2.0 emission limits of 74 ppmvd NOx @ 15% O2 and 0.41 lb/hr SO2.
Key data point: EUTURBINE4 permitted NOx limit: 74 ppmvd @ 15% O2 or 3.6 lb/MWhr; SO2 limit: 0.41 lb/hr and 0.15 lb/MMBtu; turbine exhaust temperature estimated at 930°F.
2025-07-03 · Arbor Hills Landfill · procedural · routine
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Arbor Hills Landfill submitted a Consent Judgment-mandated action plan on July 1, 2025, addressing recommendations from a third-party Tetra Tech engineering evaluation completed in May 2025 regarding leachate minimization and stormwater control. The plan details ongoing maintenance of diversion berms, downcute repairs, and vegetation seeding across the site, with Tetra Tech finding that current grading and cover systems are generally capable of diverting stormwater and preventing excessive infiltration.
Key data point: Third-party engineering evaluation by Tetra Tech on May 21, 2025 found interim, temporary, and final cover systems in good condition with no ponding areas observed; current stormwater diversion provisions adequate for upcoming quarter.
2025-06-30 · Arbor Hills Landfill · evidence · Source: GFL - Arbor Hills Landfill, Inc. (CJ filing to EGLE)
2025-06-27 · Arbor Hills Energy · procedural · routine
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An EGLE air quality official reminds OPAL Fuels (Arbor Hills' operator) that a revised PTI (Permit to Install) 68-23A v2.0, effective June 6, 2025, requires updated ROP (Renewable Operating Permit) modification forms, and that a violation notice response regarding corrective actions and stack testing must be updated in the MiEnviro portal.
Key data point: No specific factual reading or measurement. This is a procedural reminder to submit permit modification documents and respond to a violation notice.
2025-06-24 · Arbor Hills Landfill · procedural · notable
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
EGLE received 21 odor complaints over the weekend of 6/20–6/22, 2025, centered around Friday. GFL investigated and reported 19 complaints on record, finding no unusual operations, no perimeter monitoring alarms, and no compost activity during the period; wind patterns and third-party construction activities were reviewed with no issues identified.
Key data point: 21 odor complaints received by EGLE over weekend 6/20–6/22/2025; GFL records 19 complaints and reports no operational anomalies or perimeter alarms.
2025-06-23 · Arbor Hills Remediation Area · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is a May 2025 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area treatment pond (Permit MI0045713 v6.0), filed June 23, 2025. The report documents required monitoring of flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, cyanide, mercury, PFOS/PFBS/PFOA, temperature, pH, dissolved oxygen, and outfall observations. All monitoring parameters are marked 'No Discharge: Y,' indicating no measurable discharge occurred during the reporting period.
Key data point: No discharge recorded for May 2025; all parameters reported as (Report) or marked "no discharge." Specific measured values not provided in this form submission.
2025-06-23 · Arbor Hills Remediation Area · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is a monthly Discharge Monitoring Report (DMR) for May 2025 covering the Arbor Hills Remediation Area treatment pond discharge under permit MI0045713 v6.0. The document shows that there was "No Discharge" (Y) recorded for the monitoring period, meaning no effluent was released to the receiving water. The report includes permit limits for flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, cyanide, mercury, PFOS/PFBS/PFOA, temperature, pH, and dissolved oxygen.
Key data point: No Discharge status reported for May 1–31, 2025; all parameters marked "No Discharge: Y" with no actual measured values provided.
2025-06-23 · Arbor Hills Remediation Area · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
This is a Discharge Monitoring Report (DMR) for Arbor Hills Remediation Area covering June 2025, filed by GFL Environmental on 6/23/2025. The report documents water quality monitoring parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, cyanide, mercury, PFOS/PFBS/PFOA, temperature, pH, dissolved oxygen, and outfall observations. All monitoring locations indicate "No Discharge: Y", meaning no actual discharge occurred during the reporting period.
Key data point: No discharge occurred during June 1–30, 2025 from the treatment pond (Limit Set 001A, Final Effluent). All parameters listed for reporting only or comparison to permit limits.
2025-06-09 · Arbor Hills Landfill · evidence · notable
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
EGLE Air Quality Division received two odor complaints from Northville residents on the morning of June 9, 2025, and observed concurrent perimeter monitor exceedances at approximately 6:00 AM. GFL investigated and attributed the odors and alarms to a malfunctioning sump pump in Cell 6A that reduced gas extraction, which they repaired.
Key data point: Two odor complaints received June 9, 2025 at 6:49 AM and 7:52 AM; perimeter monitor alarms observed at ~6:00 AM same morning; GFL identified sump pump failure in Cell 6A as cause.
2025-06-09 · Arbor Hills Landfill · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
Michigan EGLE Air Quality Division has issued an Extension Response Letter for the Arbor Hills Landfill (N2688). The document is a brief cover note from the Secretary of the Air Quality Division transmitting the response.
Key data point: No specific factual readings or findings provided in this cover letter; the substantive extension response is referenced as an attachment but not included in the text.
2025-06-09 · Arbor Hills Landfill · procedural · routine
Automated summary of the linked document above. This summary and any key data point below are machine-generated and may contain errors. Consult the source document before relying on them.
EGLE's Air Quality Division approved Arbor Hills Landfill's request for a 120-day extension (to September 27, 2025) to complete corrective actions at two vertical gas collection wells (AH148BR2 and AHWW0208) due to a broader forcemain pressure and piping issue in the northwest area. The extension was granted as part of the Consent Judgment CJ No. 2020-0593-CE compliance schedule, with an updated status to be reported in the second quarter VGC Liquid Monitoring and Management Report by July 30, 2025.
Key data point: Two wells (AH148BR2, AHWW0208) granted 120-day extension to September 27, 2025 for corrective actions under CJ No. 2020-0593-CE due to forcemain pressure issues.