2019-05-24 · Arbor Hills Landfill · evidence · notable
EGLE issued a violation notice to Advanced Disposal Services for Arbor Hills Landfill on May 24, 2019, citing multiple failures in leachate management including elevated leachate levels in Cells 3 and 4, repeated exceedances of action flow rates in Cell 4's secondary system since January 2018, and deficiencies in recordkeeping, system documentation, and maintenance schedules. The facility was given until June 18, 2019 to submit corrective action plans addressing leachate control, liquids management, pump panel modifications, and system inspection protocols.
Key data point: Secondary collection system (SGS) for Cell 4 has exceeded action flow rate (AFR) continuously each month since January 2018; elevated leachate head levels documented in Cells 3 and 4 January–April 2019, in violation of R 299.4432(1).
2019-05-23 · Arbor Hills Remediation Area · procedural · routine
EGLE inspector Matt Konieczki conducted an Industrial Storm Water inspection at Arbor Hills Landfill on March 22, 2019, and issued a letter on March 29, 2019 requiring corrective actions. Advanced Disposal (site operator) provided a written response with attachments addressing six required items: check dams with sumps, sediment management plans, slope stabilization, gravel addition, track-out controls, and cleanup of refuse in ditches and pond.
Key data point: No specific quantitative readings; this is a procedural correspondence transmitting EGLE inspection findings and operator response.
2019-05-15 · Arbor Hills Remediation Area · procedural · routine
EGLE closes out a Compliance Communication issued to Arbor Hills Remediation Area on April 10, 2019, after the facility submitted a timely response with all required information. The notification clarifies the permit requirement for submitting Additional Monitoring Reports via MiWaters or email to EGLE district staff.
Key data point: No specific factual readings or violations stated; procedural closeout of a compliance matter.
2019-05-10 · Arbor Hills Remediation Area · evidence · routine
Discharge Monitoring Report for Arbor Hills Remediation Area covering March 1–31, 2019. The facility reported daily water-quality parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, thermal discharge, temperature, pH, and dissolved oxygen from the final effluent outfall.
Key data point: Thermal discharge measured at 0.25 MBTU/hr on 3/13/2019; final effluent temperatures ranged from 34.7°F to 46.2°F during the reporting period.
2019-05-10 · Arbor Hills Remediation Area · procedural · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering April 1–30, 2019, filed by Green for Life on May 10, 2019. The report documents water-quality parameters monitored under NPDES permit MI0045713 v5.0, including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), pH, and dissolved oxygen. All reported data cells are redacted or marked with asterisks, indicating no actual measured values are disclosed in this version of the document.
Key data point: No quantitative measured values are provided; all data cells are redacted with asterisks. This is a permit-requirement template with no actual April 2019 readings reported.
2019-05-10 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering March 2019, filed by Green for Life (GFL) on May 10, 2019. The report documents wastewater effluent quality measurements including flow, suspended solids, biochemical oxygen demand, ammonia, phosphorus, metals (arsenic, mercury, selenium), temperature, and pH, all submitted under NPDES Permit MI0045713 v5.0. All reported measurements appear to be within permitted limits.
Key data point: No exceedances or violations noted; all measured parameters (flow 0.051–0.083 MGD, TSS 5.8–11.6 lbs/day, CBOD5 2.7–3.8 mg/L, temperature 36.4–46.2°F final effluent, 38.7°F receiving water) were within permit limits.
2019-05-10 · Arbor Hills Remediation Area · procedural · routine
This is a Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area covering April 2019. The report documents daily monitoring data for final effluent parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. The facility reported "No Discharge" for the monitoring period.
Key data point: No specific quantitative readings are provided in the document—all data fields are blank template placeholders with parameter names and regulatory limits listed but no actual measured values recorded.
2019-05-09 · Arbor Hills Remediation Area · procedural · routine
Golder Associates submitted a compliance response to the Michigan DEQ regarding an NPDES permit inspection at Arbor Hills Remediation Area conducted on March 6–7, 2019. The response addresses three compliance communications: provision of flow meter calibration logs, correction of discharge monitoring reports (DMRs) with adjusted arsenic and mercury values, and confirmation that the contract laboratory can meet selenium quantification standards.
Key data point: No specific measured environmental readings are provided in this cover letter. This is a procedural response to compliance questions regarding calibration documentation and laboratory analytical methods.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering January 2018, filed by Green for Life in May 2019. The document records daily measurements of wastewater discharge parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. Many measurement days are flagged as either non-report (*F) or equipment exceedance (*E), with actual quantitative readings on only a subset of days.
Key data point: Outfall temperature readings in January 2018 ranged from 34.9°F to 40.3°F; all readings are routine wastewater discharge temperatures consistent with winter conditions, well below any landfill subsurface oxidation concern threshold.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering January 2019, filed by Green for Life in May 2019. The report documents water-quality measurements for final effluent under permit MI0045713 v5.0, including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), pH, dissolved oxygen, and temperature. All reported values appear to be within permit limits, though selenium samples had high detection limits due to lab dilution caused by matrix interference.
Key data point: Temperature: maximum monthly average 37.6°F, maximum daily 39.7°F (January 2019); all effluent parameters within permit limits.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a December 2018 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area wastewater treatment system, filed by Green for Life in May 2019. The report documents daily monitoring of effluent parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen across 31 days of the month.
Key data point: Temperature readings ranged from 36.3°F to 38.7°F during December 2018; all readings within normal operational range; facility operated intermittently with zero flow on 17 days and flow events on 14 days.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering December 2018. It documents monthly water-quality measurements from the facility's final effluent, including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals, temperature, pH, and dissolved oxygen. All reported values appear to fall within or below permitted limits.
Key data point: No violation detected. Effluent temperature averaged 37.6°F (maximum 38.7°F); all water-quality parameters reported at or below permit requirements for the period.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering February 2019. The report documents effluent quality measurements including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. All reported measurements appear to be within permit limits for the monitoring period.
Key data point: No violations documented. Final effluent temperature measured at 39.2–40.1°F (weekly reading, February 2019); all tested parameters (TSS, CBOD5, ammonia, phosphorus, arsenic, mercury, selenium) reported within permitted maximums.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a January 2019 Discharge Monitoring Report (DMR) for Arbor Hills Remediation Area under NPDES permit MI0045713, filed by Green for Life in May 2019. The report documents daily monitoring of final effluent for flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), temperature, pH, and dissolved oxygen. Most monitoring days show either no flow (flagged *F) or equipment exceptions (flagged *E); data are available for approximately 10 days across the month.
Key data point: Temperature readings ranged from 35.1°F to 39.7°F during the 9 days with valid measurements in January 2019; no readings approached the 145°F or 180°F thresholds associated with elevated-temperature landfill operations.
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a daily Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering February 2019, filed by Green for Life (GFL) in May 2019 under NPDES permit MI0045713 v5.0. The report documents daily measurements of water-quality parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen from final effluent monitoring.
Key data point: Effluent temperature readings ranged from 37.4°F to 40.1°F during February 2019 (all within normal range); mercury and arsenic detected at trace levels (<2.3 µg/L and <2.3 ug/L respectively).
2019-05-07 · Arbor Hills Remediation Area · evidence · routine
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering January 2018, filed by Green for Life in May 2019. The report documents monthly effluent-quality measurements for flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. All measured parameters appear to remain within permit limits during the reporting period.
Key data point: No factual findings of exceedances or violations stated; all measured parameters in January 2018 appear within permit compliance.
2019-05-02 · Arbor Hills Remediation Area · evidence · notable
TestAmerica Laboratories analyzed a water sample from Arbor Hills Landfill for perfluorinated compounds (PFCs/PFAS) on behalf of Michigan DEQ in March 2019. The sample, collected on 03/07/2019, was tested for 23 fluorinated alkyl substances using EPA Method 537 (modified). Multiple PFCs were detected, including PFBA (210 ng/L), PFOA (32 ng/L), PFHxA (160 ng/L), and others.
Key data point: PFBA detected at 210 ng/L; PFOA at 32 ng/L; PFHxA at 160 ng/L; PFHxS at 6.9 ng/L (flagged with blank contamination); sample collected 03/07/2019 from Arbor Hills.
2019-05-02 · Arbor Hills Remediation Area · evidence · routine
Merit Laboratories analytical report for three wastewater samples collected from Arbor Hills on March 7, 2019. Two samples tested for CBOD (one not detected at 3 mg/L, one at 3.0 mg/L); one sample tested for phenols (not detected at 0.02 mg/L). Report prepared for MDEQ Water Resources Division.
Key data point: No actionable factual violations or measurements; routine analytical results below or at detection limits.
2019-05-02 · Arbor Hills Remediation Area · evidence · routine
MDEQ Environmental Laboratory analysis of three wastewater samples from Arbor Hills Remediation Area collected on 03/07/2019. Testing included inorganics (metals, general chemistry), volatile organics, and semivolatile organics. Most analytes were not detected; detected inorganics include alkalinity, ammonia-nitrogen, phosphorus, suspended solids, arsenic, calcium, magnesium, boron, and nickel at low levels.
Key data point: No specific factual emergency reading. Document is routine sampling with predominantly non-detect results; highest metals detected include boron at 790 ug/L and nickel at 25 ug/L in the general sample AH.
2019-05-01 · Arbor Hills Remediation Area · evidence · notable
Michigan Department of Environmental Quality conducted a 24-hour municipal wastewater survey at Arbor Hills Remediation Area (NPDES No. MI0045713) starting March 6, 2019. Composite and grab samples were collected from monitoring point 001A and analyzed for physical, chemical, organic, and metal parameters. Most volatile organic compounds and semivolatiles were not detected; PFAS was detected at 561.13 ppt total, with PFOA at 32 ppt and PFOS at 1.6 ppt.
Key data point: Total PFAS 561.13 ppt, PFOA 32 ppt, PFOS 1.6 ppt detected in wastewater monitoring point 001A grab sample, 3/7/2019.
2019-05-01 · Arbor Hills Remediation Area · evidence · routine
EGLE conducted a Compliance Sampling Inspection (CSI) at Arbor Hills Remediation Area on March 6–7, 2019, collecting 24-hour composite and grab samples from Outfall 001. All samples met NPDES permit limits for permit parameters, metals, volatile organic compounds, acid-extractable compounds, base/neutral compounds, and PFAS.
Key data point: All EGLE inspection samples met the facility's NPDES Permit limits; no exceedances reported.
2019-04-29 · Arbor Hills Landfill · procedural · routine
This document is a Fortistar plant data submission to EGLE dated April 2019. No specific measurements, violations, or substantive environmental findings are provided in the excerpt.
Key data point: No specific factual readings or claims are stated in the document excerpt provided.
2019-04-29 · Arbor Hills Landfill · procedural · routine
Document appears to be a header or template reference for an EGLE temperature scan form (TS-01 type) filed in April 2019. No substantive data, readings, or analysis is provided in the excerpt.
Key data point: No specific factual reading or claim present; document is an incomplete form header.
2019-04-29 · Arbor Hills Landfill · evidence · notable
A horizontal well experienced a leachate breakout approximately 200 yards west of TS-01 (Transfer Station 01) at Arbor Hills Landfill in April 2019. The incident documents subsurface leachate migration outside the intended containment zone, indicating potential groundwater or soil contamination. This represents a documented permit violation and operational failure at the site.
Key data point: Leachate breakout event 200 yards west of TS-01, April 29, 2019 — evidence of horizontal well failure and uncontained leachate migration.
2019-04-29 · Arbor Hills Landfill · procedural · routine
This document appears to be a title or header reference for H2S (hydrogen sulfide) monitoring conducted at a drain, filed with EGLE on April 29, 2019. The document text is incomplete and provides no substantive content, measurements, or specific findings.
Key data point: No specific factual data provided; document is a title reference only.
2019-04-29 · Arbor Hills Landfill · procedural · notable
Arbor Hills Energy LLC responds to an April 11, 2019 violation notice regarding elevated temperatures at the landfill, attributed to non-methanogenic degradation of special waste. The operator requests Higher Operating Variances (HOVs) to optimize gas collection, but MDEQ has not approved them. Fortistar commits to implementing any MDEQ-approved practices in coordination with Advanced Disposal Services.
Key data point: MDEQ did not approve HOV requests; elevated temperatures cited in violation notice linked to special waste stream degradation, not subsurface oxidation (low CO levels reported).
2019-04-29 · Arbor Hills Landfill · evidence · notable
EGLE field documentation identifies a small leachate stream flowing from a subsidence area at Arbor Hills Landfill. The observation records the presence of leachate migration and surface distress potentially linked to waste settlement and gas generation. No specific measurements or remedial action details are provided in the document header.
Key data point: No specific quantitative reading or violation claim stated; document title indicates observable leachate stream below subsidence area but provides no measured values, dates, or well identifiers.
2019-04-29 · Arbor Hills Landfill · procedural · routine
This document appears to be a routing or metadata entry for a turbine-related record from EGLE dated April 29, 2019, but contains no substantive content, measurements, risk analysis, or findings.
Key data point: No specific factual claim or reading present in the document.
2019-04-25 · evidence · urgent
EGLE conducted an unannounced compliance inspection of Arbor Hills Landfill on April 25, 2019, focusing on air quality permit compliance, turbine specifications, and ongoing investigation of elevated-temperature landfill-fill (ETLF) conditions. The inspection documented active subsurface oxidation indicators, including steam and gas venting at the leachate treatment pond (TS-01), elevated hydrogen sulfide readings, elevated waste-mass temperatures, and multiple infrastructure failures (ruptured leachate header, failed pump, cracked storm-drain pipes). The facility was rated in Non-Compliance status.
Key data point: TS-01 leachate pond measured at 135°F (25°F increase from 110°F two weeks prior); hydrogen sulfide at 10 ppm (matching OSHA exposure limit); well WW272R2 gas temperature at 157°F with only 23.1% methane; evidence of subsurface gas breakthrough and leachate seeps.
2019-04-25 · Arbor Hills Landfill · evidence · urgent
This is Advanced Disposal Services' April 2019 response to a Michigan DEQ Air Quality Division violation notice dated April 11, 2019. The company disputes certain characterizations of elevated temperature exceedances in gas extraction wells at Arbor Hills Landfill, argues the area is contained, and requests DEQ reconsider its rejection of a March 28, 2019 Higher Operating Value (HOV) request to allow temperatures above the 131°F NSPS limit. The document also includes the December 2016 DEQ approval of earlier HOV requests and the March 2019 HOV request itself, which lists 13 wells with requested temperatures ranging from 150°F to 180°F.
Key data point: Well AHWW0286R: 180°F requested operating temperature (35°F above the 131°F NSPS limit); Well AHW272R2: 14,400 ppm CO reading (March 2019); elevated temperature area documented since May 2016, expanding from 4 wells (2016) to 13 wells (March 2019).
2019-04-18 · Arbor Hills Landfill · evidence · urgent
The Michigan DEQ issued an Enforcement Notice to Arbor Hills Energy LLC on April 18, 2019, imposing a $5,000 stipulated fine for failure to complete required emission testing (carbon monoxide, sulfur dioxide, nitrogen oxide, volatile organic compounds, and hydrogen chloride) between June 2015 and June 2018 as mandated by a 2015 Consent Order. The notice also announces escalated enforcement action citing multiple High Priority Violations (HPVs) of federal and state air quality standards, including ongoing sulfur dioxide emission limit exceedances, and warns that failure to resolve violations may result in civil litigation.
Key data point: Stipulated fine of $5,000 for failure to complete emission testing required by Consent Order AQD No. 16-2015; multiple High Priority Violations (HPVs) designated by U.S. EPA; ongoing SO2 emission limit exceedances documented in separate EPA Findings of Violation dated September 29, 2016 and June 4, 2018.
2019-04-15 · Arbor Hills Remediation Area · evidence · routine
This is a March 2019 Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area under NPDES permit MI0045713. The report documents daily measurements of effluent quality including flow, suspended solids, nutrients, metals (arsenic, mercury, selenium), temperature, and pH for final effluent discharge.
Key data point: No specific factual violations or exceedances documented; report shows routine water-quality parameter monitoring with most days either no discharge (*F flag) or values below permit limits; temperature readings ranged from 34.7°F to 46.2°F.
2019-04-15 · Arbor Hills Remediation Area · evidence · routine
Discharge Monitoring Report for Arbor Hills Remediation Area covering March 2019, submitted by GFL on April 15, 2019. The report documents effluent quality parameters including flow, suspended solids, CBOD, nutrients, heavy metals, and temperature at the final outfall. All reported measurements appear within permitted limits.
Key data point: No factual violations or exceedances documented; routine compliance report with standard water-quality parameters at or below permitted maxima for the reporting period.
2019-04-12 · Arbor Hills Landfill · evidence · notable
A photograph or inspection record showing leachate conditions at a well head in the TS-01 area of Arbor Hills Landfill, filed with EGLE on April 12, 2019. The document indicates a leachate accumulation problem that may affect groundwater monitoring integrity or landfill operations.
Key data point: TS-01 area well head showing leachate swamping, April 2019 — evidence of subsurface moisture/contamination issue.
2019-04-12 · Arbor Hills Landfill · evidence · notable
An infrared image of the TS-01 leachate pond taken on April 12, 2019 shows surface temperatures reaching 110°F. The document provides visual thermal evidence of elevated temperatures in the leachate treatment system.
Key data point: TS-01 leachate pond surface temperature 110°F, April 12, 2019
2019-04-12 · Arbor Hills Landfill · evidence · notable
A new leachate seep was discovered on the north side of Arbor Hills Landfill adjacent to a subsidence area in April 2019. This represents a water quality concern requiring investigation and remediation. The seep's proximity to the subsidence zone suggests potential structural integrity issues in the waste containment system.
Key data point: New leachate seep identified on north side of landfill near subsidence area, April 2019.
2019-04-12 · Arbor Hills Landfill · procedural · routine
This document appears to be a notification or filing related to a new TS-01 (Temporary Storage) sump at Arbor Hills Landfill, submitted to EGLE on April 12, 2019. No substantive technical data, measurements, or regulatory detail is provided in the text fragment available.
Key data point: No specific factual reading or claim is stated in this document excerpt.
2019-04-12 · Arbor Hills Landfill · evidence · urgent
An infrared image filed with EGLE in April 2019 depicts a heated gas bubble visible on the North liner of Arbor Hills Landfill, indicating subsurface oxidation and potential smoldering risk beneath the waste mass.
Key data point: IR image showing heated gas bubble on North liner, April 2019 — visual evidence of subsurface oxidation.
2019-04-12 · Arbor Hills Landfill · evidence · notable
EGLE reported observation of a new leachate seepage on the north side of Arbor Hills Landfill. The seep represents a potential groundwater/leachate contamination concern requiring further investigation and remedial action under state environmental oversight.
Key data point: New leachate seep documented on north side of landfill, April 2019.
2019-04-12 · Arbor Hills Landfill · procedural · routine
EGLE filed a document noting new grading work at the top of the landfill on April 12, 2019. The document provides minimal substantive detail beyond the grading activity itself. No specific measurements, violations, or regulatory findings are recorded.
Key data point: No specific factual reading or measurement provided; document is a procedural notation of grading work.
2019-04-12 · Arbor Hills Landfill · evidence · notable
EGLE conducted an unannounced compliance inspection of Arbor Hills Landfill on April 12, 2019, using thermal imaging to check for subsurface smoldering and hotspots. The inspection found an escalating leachate problem, including a newly discovered seep, system blockages that caused odor complaints, and elevated thermal readings in the gas-bubble portion of the North liner and in TS-01 leachate; a well above the subsidence area measured 131°F with methane present.
Key data point: Well above subsidence area measured 131°F with methane; TS-01 leachate thermal scan showed 110°F or above; North liner gas-bubble portion showed elevated temperature; new leachate seep discovered; leachate collection system shutdown for one day due to blockage.
2019-04-11 · Arbor Hills Landfill · evidence · urgent
The Michigan DEQ Air Quality Division issued a violation notice on April 11, 2019, citing Advanced Disposal Services for an Elevated Temperature Landfill (ETLF) event at Arbor Hills Landfill that has been ongoing for more than a year, degrading the Gas Collection and Control System and exacerbating odor problems. The company failed to timely diagnose and implement corrective actions required by federal Clean Air Act standards and state permit conditions.
Key data point: ETLF event ongoing for more than a year, discovered during March 28 and April 2, 2019 inspections, degrading GCCS system and exacerbating odor; violation of 40 CFR Part 60, 40 CFR Part 63, and Michigan Rule 299.4433-4434.
2019-04-10 · Arbor Hills Remediation Area · procedural · routine
The Michigan DEQ classified the Arbor Hills Remediation Area wastewater treatment facility (located at the Arbor Hills Landfill) under Part 31 of NREPA as an A-1d Impoundment and C-1b Aerated Ponds facility. The letter designates Paul Sgriccia as the certified operator of record and requires Republic Services to notify DEQ within 10 days of any operator change.
Key data point: No specific factual readings or violations present; this is a regulatory classification letter establishing facility treatment categories.
2019-04-10 · Arbor Hills Landfill · evidence · urgent
The Michigan DEQ Air Quality Division issued a Violation Notice on April 11, 2019, to Fortistar Methane Group and Advanced Disposal Services for violations related to an Elevated Temperature Landfill (ETLF) event at Arbor Hills Landfill (SRN N2688). The ETLF event, which has been ongoing for more than a year, is degrading the gas collection system and exacerbating odor problems; ADS and the operator failed to timely diagnose and implement corrective actions.
Key data point: ETLF event ongoing for more than a year as of April 2019, degrading gas collection control system, documented violations of 40 CFR 60.11(d), 40 CFR Part 63, and Michigan Rule 299.4433.
2019-04-09 · Arbor Hills Landfill · evidence · notable
This document references a landfill gas well at Arbor Hills where elevated carbon monoxide readings were detected. The specific well and CO values are not provided in the excerpt supplied.
Key data point: No specific numerical reading or well ID is stated in the provided text.
2019-04-09 · Arbor Hills Landfill · evidence · urgent
A gas well at Arbor Hills Landfill had its wellhead knocked off, releasing heated landfill gas directly into the atmosphere. This is a direct emission event indicating potential subsurface oxidation and combustion byproducts escaping without treatment. The incident represents a failure of gas-extraction infrastructure and poses immediate air quality and safety risks.
Key data point: Gas wellhead knocked off with heated landfill gas released to atmosphere; date 2019-04-09.
2019-04-09 · Arbor Hills Landfill · evidence · urgent
An EGLE report documents boiling gas emissions observed near a subsidence area at the Arbor Hills Landfill, indicating active subsurface oxidation and potential smoldering within the waste mass.
Key data point: Boiling gas observed at ground surface near subsidence area, April 2019; direct evidence of subsurface thermal activity.
2019-04-08 · Arbor Hills Landfill · procedural · routine
This is a brief procedural notification regarding installation of a new, larger blower at the Arbor Hills Landfill's ADS (Anaerobic Digester System) blower building. No specific measurements, violations, or risk details are provided in the available text.
Key data point: No specific factual reading or claim is stated in this document stub.
2019-04-08 · Arbor Hills Landfill · procedural · routine
This document appears to be a brief administrative notice regarding installation of a new flow meter at the Arbor Hills Landfill flare system with a capacity of 5000 CFM, filed with EGLE on April 8, 2019. The document text provided is incomplete and contains only a header.
Key data point: No specific factual readings or claims are provided in the available document text.
2019-04-08 · Arbor Hills Landfill · procedural · routine
This document appears to be a reference to an EGLE Air Dispersion Study (ADS) for a 5,000 CFM flare system filed on April 2, 2019. Without the full document text, it is unclear whether this is a permit application, design specification, or modeling report related to landfill gas management infrastructure at Arbor Hills.
Key data point: No specific factual readings or findings are provided in the available text.