2021-07-19 · 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 conducted a July 19, 2021 perimeter methane survey at Arbor Hills Landfill using portable SEM 5000 equipment. The survey detected elevated methane throughout the site, with concentrations exceeding 10 ppm at multiple locations and a peak reading of 740 ppm at the fence line near gas well HW-23, accompanied by strong leachate odors and evidence of recent flooding.
Key data point: Methane reading of 740 ppm at fence line downwind of gas well HW-23, July 19, 2021; background ~2.8 ppm; three separate plumes above 10 ppm detected.
2021-07-15 · 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 June 2021 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area (Permit MI0045713 v5.0), filed by Green for Life on behalf of Advanced Disposal Services. The report documents daily and summary monitoring of treated effluent quality parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. The facility reported "No Discharge" status throughout the month, indicating no active discharge of treated water.
Key data point: No specific measured values are presented in this document; all data fields are marked with asterisks or reported as "No Discharge: Y". The permitted limits and analysis frequencies are defined, but actual June 2021 readings are not shown.
2021-07-15 · Arbor Hills Remediation Area · 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.
This document is a Short-term Stormwater Characterization Study (STSWCS) plan submitted by Arbor Hills Landfill on July 15, 2021, in response to a June 2021 EGLE violation notice for PFOS detection in the Detention Pond (April 2020). The plan outlines sampling protocols for multiple stormwater structures to identify PFAS sources, including two ponds contaminated by AFFF used by firefighters at an adjacent facility in 2016, and proposes remediation of affected water and sediment.
Key data point: Pond 1: PFOS concentrations ranged from non-detect to 47 ng/L (above EGLE Rule 57 limit of 12 ng/L for non-drinking water). Pond 2: PFOS peaked at 640 ng/L (March 31, 2021, above 12 ng/L limit). Both ponds remediation planned for 2021.
2021-07-15 · Arbor Hills Remediation Area · 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.
Arbor Hills Landfill filed a Short-Term Stormwater Characterization Study Plan on July 15, 2021, in response to an EGLE Violation Notice dated June 14, 2021, following detection of PFOS in the Detention Pond in April 2020. The contamination resulted from a November 2016 fire at an adjacent facility where firefighting foam (AFFF) containing PFAS was discharged into two on-site stormwater ponds, with potential migration to wetlands and groundwater.
Key data point: PFOS concentration in Pond 2 water samples on March 31, 2021: 400–640 ng/L (exceeds Rule 57 limit of 12 ng/L for non-drinking water); Pond 1 PFOS concentrations ranged ND to 47 ng/L; sediment at Pond 2 north end exceeded Part 201 soil criteria for PFOS.
2021-07-15 · 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 procedural submission to Michigan regulators (dated July 15, 2021) filing a Schedule of Compliance for the Arbor Hills Remediation Area under permit MI0045713, accompanied by a PFAS stormwater Administrative Consent Order (ACO) acceptance document. The submission confirms regulatory filing and acknowledgment of a PFAS-related stormwater compliance obligation.
Key data point: No specific factual readings or measurements are provided in this procedural filing.
2021-07-15 · Arbor Hills Remediation Area · 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.
GFL submitted a Schedule of Compliance in response to a June 14, 2021 violation notice, including a Stormwater Characterization Study and acceptance of EGLE's offer to enter into a voluntary Administrative Consent Order (ACO) for PFAS stormwater issues at Arbor Hills Landfill (Permit MI0045713).
Key data point: Violation Notice dated June 14, 2021; voluntary ACO accepted July 15, 2021 for PFAS stormwater contamination.
2021-07-15 · Arbor Hills Remediation Area · 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.
Arbor Hills Landfill received a violation notice from EGLE in June 2021 for detecting PFOS (perfluorooctanesulfonic acid) above water quality standards in the stormwater detention pond north of the railroad tracks in April 2020. The facility is voluntarily entering into an Administrative Consent Order to investigate the source of PFOS contamination and its potential discharge to Johnson Drain via the NPDES permit.
Key data point: PFOS detected above water quality standard in stormwater detention pond, April 2020, discharged via NPDES MIS210766 to unnamed tributary of Johnson Drain.
2021-07-15 · Arbor Hills Remediation Area · 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.
GFL Environmental, on behalf of Arbor Hills Landfill, received a Violation Notice from EGLE on June 14, 2021, for the detection of perfluorooctanesulfonic acid (PFOS) in the stormwater detention pond at levels exceeding water quality standards. AHL is voluntarily accepting an Administrative Consent Order to investigate the sources of PFOS contamination in the detention pond that discharges to Johnson Drain via NPDES Certificate MIS210766.
Key data point: PFOS detected above water quality standards in stormwater detention pond north of railroad tracks, April 2020; Violation Notice issued June 14, 2021.
2021-07-15 · 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.
GFL submitted a Schedule of Compliance for the Arbor Hills Remediation Area on July 15, 2021, including a Short-Term Solid Waste Characterization Study Plan. This is a procedural filing under permit MI0045713 with an attached technical study plan.
Key data point: No specific factual readings or claims in this document; it is a procedural acknowledgment of plan submission.
2021-06-29 · 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 site map showing the locations of leachate treatment lagoons, groundwater discharge points, and storm water/NPDES outfalls at or near the Arbor Hills Landfill. The map identifies treated groundwater lagoons and their discharge points to sanitary sewer and surface water bodies near Northville Community Park.
Key data point: No specific quantitative data or regulatory findings; map document only.
2021-06-29 · 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 map document showing the locations of leachate discharge points, treated groundwater lagoons, and NPDES-permitted water outfalls at the Arbor Hills Landfill site. It illustrates the operational water management infrastructure including discharge to the sanitary sewer and lagoon systems.
Key data point: No specific factual readings or measurements provided; document is a spatial/operational reference map.
2021-06-16 · 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 the Arbor Hills Remediation Area covering May 2021, filed by Green for Life (GFL) under permit MI0045713 v5.0. The report documents water quality parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen from the facility's final effluent. The report indicates 'No Discharge' for the monitoring period.
Key data point: Document contains no measured discharge readings; all data fields marked with asterisks or left blank. Permit requires compliance with limits for TSS (30 mg/L max daily), CBOD5 (10 mg/L max daily), ammonia (2.0 mg/L max daily), and mercury (5.0 ng/L 12-month rolling average), but no actual May 2021 measurements are provided in this DMR.
2021-06-09 · 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.
EGLE denied Arbor Hills Landfill's request to use compost leachate as a dust suppressant on landfill access roads. The denial was based on Part 115 Solid Waste Management rules, which prohibit disposal of liquid waste unless it meets specific exceptions for household waste, leachate, or gas condensate. The compost residuals in question do not qualify for these exceptions and therefore cannot be used for dust control.
Key data point: Compost leachate dust-suppressant request denied; does not meet leachate definition under Rule 299.4103(s) and violates Rule 430 prohibition on liquid waste disposal.
2021-06-07 · 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.
GFL Environmental requested a deadline extension from May 31 to June 30, 2021 for submitting a combined PFAS Characterization Report to EGLE, citing the need to integrate data from two separate contractors (Golder and ERG) studying contamination at Arbor Hills Landfill and stormwater ponds from a 2016 recycling facility fire. EGLE's Materials Management Division approved an interim extension to June 18, 2021, indicating the report should be substantially complete.
Key data point: No specific quantitative readings. Document addresses procedural status of PFAS sampling and reporting deadline; no measured contamination levels disclosed.
2021-05-28 · 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.
GFL Environmental requests a one-month extension (from May 31 to June 30, 2021) to complete a PFAS Characterization Report for Arbor Hills Landfill. The delay allows contractors Golder and ERG to combine PFAS sampling data with surface water and soil sampling from ponds associated with a 2016 recycling facility fire, and to present remediation proposals in a single integrated report.
Key data point: No specific factual reading is provided; this is a request for schedule extension with no quantitative PFAS data disclosed.
2021-05-24 · 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 an NPDES permit reissuance application review checklist for Arbor Hills Remediation Area (Permit No. MI0045713), filed April 1, 2021 and reviewed May 24, 2021. The checklist documents that the application was found administratively complete, with all required submittals, fee, contact information, facility diagrams, and discharge data properly provided. The document indicates the facility discharges groundwater cleanup wastewater and has answered all required PFAS questions with analytical data provided.
Key data point: No specific quantitative measurements or violations documented. This is a procedural completeness checklist confirming the reissuance application met all administrative requirements.
2021-05-24 · 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.
Arbor Hills Landfill Incorporated submitted a reissuance application for its NPDES Industrial/Commercial permit (MI0045713) on May 24, 2021, covering a groundwater remediation and treatment system that discharges to an unnamed tributary of Johnson Drain. The application includes analytical data for conventional and toxic pollutants, PFAS results, and documentation of water treatment additives in use.
Key data point: PFOA concentration 50 ng/L (below GSI of 12,000 ng/L); PFOS non-detect at 10 ng/L (below GSI of 12 ng/L). Seasonal discharge authorized at 14 MGY (December–April, 0.1 MGD average).
2021-05-21 · Arbor Hills Remediation Area · 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.
Golder Associates reported a Notice of Non-Compliance for the Arbor Hills Remediation Area (NPDES Permit MI0045713) on May 21, 2021, documenting an exceedance of total suspended solids (TSS) permit limits during April 2021. On April 21, 2021, TSS measured 68.0 mg/L, exceeding the daily maximum limit of 45 mg/L, and the resulting monthly average concentration of 34.4 mg/L exceeded the 30 mg/L limit. The exceedance was attributed to scheduled maintenance involving sediment removal from the east pond combined with precipitation, and discharge was discontinued by April 22, 2021.
Key data point: April 21, 2021: TSS concentration 68.0 mg/L (daily maximum limit 45 mg/L); monthly average 34.4 mg/L (limit 30 mg/L); daily maximum loading 53.5 lbs/day (limit 38 lbs/day).
2021-05-21 · Arbor Hills Remediation Area · evidence · urgent
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 issued a violation notice to Green for Life Environmental for exceeding Michigan Water Quality Standards for PFOS (perfluorooctanesulfonic acid) in storm water discharges from Arbor Hills Landfill. The facility discharged PFOS at concentrations of 94 ng/L and 400 ng/L, both well above the 12 ng/L standard, and failed to notify the regulator of the exceedance. The notice requires immediate corrective action including a Short-Term Storm Water Characterization Study and offers an Administrative Consent Order to establish a compliance schedule.
Key data point: PFOS in storm water: 400 ng/L measured (SW-2, 04/02/2020), 12 ng/L standard — 33× exceedance; also 94 ng/L at SW-1, both locations
2021-05-19 · 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.
GFL Environmental notified Northville Township that it is cleaning out two large wastewater treatment lagoons on the Arbor Hills remediation site by draining and vacuuming accumulated sediment and organic materials. Each pond is expected to take approximately one month to clean, and GFL voluntarily suspended Saturday work to reduce noise impact on nearby residents.
Key data point: Approximately 1 foot of settlement and organic materials accumulated in ponds 1 and 2; ponds had never been cleaned prior to this 2021 effort.
2021-05-18 · Arbor Hills Remediation Area · evidence · 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 April 2021. The facility reported daily effluent measurements for parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. One exceedance occurred: Total Suspended Solids (TSS) averaged 34.4 mg/L for the month, exceeding the 30 mg/L monthly average limit, driven by an elevated reading on April 21, 2021 during pond drainage operations.
Key data point: Total Suspended Solids monthly average 34.4 mg/L (limit 30 mg/L); maximum daily temperature reading 66.2°F on 4/6/2021; April 21, 2021 TSS spike of 68.0 mg/L during pond sediment removal.
2021-05-18 · 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.
GFL notified EGLE of a permit limit exceedance identified in the April 2021 monthly Discharge Monitoring Report (DMR). April discharge concentrations exceeded the total suspended solids permitted limit for daily maximum (April 21), average monthly concentration, and loading; discharge was ceased April 22. A formal 5-day notice of exceedance will be submitted within 5 days.
Key data point: Total suspended solids permit limit exceeded in April 2021 discharge (daily max April 21, average monthly, and loading); discharge ceased April 22, 2021.
2021-04-29 · Arbor Hills Landfill · evidence · Source: EGLE Drinking Water and Environmental Health Division
2021-04-13 · Arbor Hills Remediation Area · evidence · 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 March 2021 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area (permit MI0045713 v5.0), filed April 13, 2021. The report documents daily and periodic measurements of water quality parameters including flow, suspended solids, biochemical oxygen demand, ammonia, phosphorus, metals (arsenic, mercury, selenium), thermal discharge, temperature, pH, and dissolved oxygen at the final effluent and outfall. All reported measurements appear to comply with permit limits.
Key data point: No specific factual violation is evident in the data presented; all measured parameters remain within permit limits (e.g., temperature maximum of 59.0°F in March, suspended solids maximum 13.7 mg/L vs. 45 mg/L limit, ammonia maximum 6.1 mg/L vs. permit allowance).
2021-04-08 · 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.
EGLE and GFL Environmental exchanged emails from February to April 2021 regarding PFAS-contaminated storm water ponds at Arbor Hills Landfill. EGLE requested sampling data, remediation alternatives, and a formal proposal to address elevated PFAS levels; GFL committed to additional liquid sampling in May 2021 and a proposal by June or July 2021.
Key data point: No specific quantitative PFAS readings provided in this exchange; document confirms contamination exists but defers technical details to March 15, 2021 response letter (not included here).
2021-04-07 · 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.
GFL Environmental (operator of Arbor Hills Landfill) confirms sediment sample units (ng/L) for PFAS-contaminated storm water ponds and commits to submitting a detailed remediation proposal by June or July 2021, following completion of May liquid sampling. EGLE regulator Tiffany Myers had requested updates on sampling progress, pond design, and remediation alternatives.
Key data point: No specific quantitative PFAS readings provided in this email; document confirms units are ng/L but does not disclose the actual measured values from March 2021 sediment sampling.
2021-04-05 · 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.
EGLE responded to GFL's March 2021 update on PFAS-contaminated storm water ponds at Arbor Hills Landfill, requesting clarification on sediment sampling units (ng/l) and a timeline for a formal remediation proposal. The regulator emphasized the need for prompt submission so review could proceed in parallel with the landfill's planned work during the driest season.
Key data point: No specific quantitative PFAS measurements or readings are provided in this exchange; the document is procedural correspondence requesting updated information and timelines from the operator.
2021-04-01 · 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.
Arbor Hills Landfill Incorporated submitted a reissuance application for its NPDES industrial discharge permit (MI0045713) on April 1, 2021, describing groundwater remediation operations including gradient control wells, an aeration ditch, and treatment ponds discharging to an unnamed tributary of the Johnson Drain. The application includes analytical data for conventional and toxic pollutants, PFAS results, and documentation of water treatment additives in use.
Key data point: Groundwater cleanup discharge: 5.8 MGY (million gallons per year) treated through aeration ditch and ponds, with PFOA detected at 50 ng/L (below 12,000 ng/L GSI) and PFOS non-detect at 10 ng/L (below 12 ng/L GSI), as of April 2021.
2021-04-01 · 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 document describes Arbor Hills' groundwater remediation system, which includes gradient control wells, a treatment system (currently offline), aeration ditches, and holding ponds designed to manage and treat water before discharge through Outfall 001 between December and April. The system was originally designed to pump and treat groundwater, though active remediation pumping terminated in 2011.
Key data point: No specific quantitative readings or violations present; document is a technical description of system design and operation.
2021-04-01 · Arbor Hills Remediation Area · 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.
This is an analytical laboratory report from Merit Laboratories dated March 14, 2019, analyzing water samples collected on March 7, 2019 for per- and polyfluoroalkyl substances (PFAs) using EPA method ASTM D7979-17M. The primary discharge sample (S99711.01) detected several PFAs including PFBA (190 ng/L), PFPeA (80 ng/L), PFHxA (120 ng/L), PFBS (30 ng/L), PFHpA (30 ng/L), PFOA (50 ng/L), and PFHxS (10 ng/L), while a field blank showed no detections.
Key data point: Discharge 001A sample collected 03/07/2019 detected PFBA at 190 ng/L, PFHxA at 120 ng/L, PFOA at 50 ng/L, and six other PFA compounds; field blank non-detect.
2021-04-01 · Arbor Hills Remediation Area · evidence · 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 laboratory analysis report from Pace Analytical Services and ALS Environmental for a wastewater sample (Discharge 001A) collected on March 16, 2021 from Arbor Hills Landfill's NPDES-regulated discharge point. The sample was analyzed for total phenolics using EPA method E420.4, with results and quality control documentation.
Key data point: Total phenolics result: non-detected (ND) at reporting limit 0.010 mg/L, sample collected 2021-03-16 from Discharge 001A.
2021-04-01 · Arbor Hills Remediation Area · evidence · 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 laboratory analytical report from Pace Analytical Services dated March 31, 2021, documenting wastewater discharge testing for Arbor Hills Landfill. The report presents chemical analysis of a discharge sample collected on December 10, 2020, testing for a comprehensive suite of organic and inorganic contaminants including volatiles, semivolatiles, metals, and other parameters.
Key data point: No specific contamination detected above reporting limits. All volatile organic compounds (benzene, toluene, xylenes, etc.) reported as less-than values at 1–5 µg/L; metals including lead, cadmium, and chromium all below or near detection limits.
2021-04-01 · 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 document is a technical engineering plan showing groundwater treatment system infrastructure, including valve pits, ponds, wells, and piping details for the landfill site. The plan contains schematic diagrams and coordinate information but no environmental monitoring data or regulatory findings.
Key data point: No specific factual or measurement data provided in this document—it is a procedural infrastructure schematic only.
2021-04-01 · 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 facility map and permit application document for Arbor Hills Landfill dated March 2021, showing the site layout including gradient control systems, ponds, slurry walls, and monitoring infrastructure. The document presents the physical configuration of the landfill and associated water management features as part of a permit application process.
Key data point: No specific factual readings or violations stated; document is a facility schematic and permit application map with no quantitative environmental data.
2021-04-01 · Arbor Hills Remediation Area · evidence · 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 laboratory analysis report for a wastewater discharge sample (Discharge 001A) collected from Arbor Hills Landfill on December 10, 2020. The report includes comprehensive testing for metals, volatile organic compounds, semivolatile organic compounds, and other contaminants. Most measured parameters were either non-detectable or below reporting limits.
Key data point: No specific factual violations or exceedances reported; all analytes either non-detect or below reporting limits.
2021-04-01 · 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.
Arbor Hills Remediation System filed a wastewater discharge permit application (NPDES MI0045713) for its groundwater treatment system, which includes lined aeration ditches and treatment ponds. The application documents the facility's treatment infrastructure and sampling protocols. This is a standard permitting document related to the site's remediation operations.
Key data point: No specific factual measurement or violation cited; document is a permit application schematic filing.
2021-04-01 · 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.
Advanced Disposal (operator of Arbor Hills) submitted a water treatment additive request form to discharge two bacterial augmentation products—Nitrafix and Vitastim 6000—via NPDES outfall 001. The request was approved in May 2017 and includes safety data sheets for both additives.
Key data point: No specific factual environmental or operational reading is present; this is a chemical discharge authorization form with product safety information only.
2021-03-30 · 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.
GFL Environmental responded to EGLE's February 5, 2021 request for information about PFAS-contaminated storm water ponds at Arbor Hills Landfill. The response addresses sampling status, discussions with local utilities about additional flows, reuse options being explored, and options ruled out. This is a regulatory compliance submission providing updates on PFAS remediation alternatives.
Key data point: Document is a procedural response to EGLE's information request; the actual attachment containing specific data is referenced but not fully reproduced in the email chain.
2021-03-29 · Arbor Hills Landfill · evidence · 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 document is a SEM (Scanning Electron Microscopy) survey results map filed with EGLE on March 29, 2021. The name and filing suggest it contains spatial survey data, but the provided text is insufficient to extract substantive findings.
Key data point: No specific factual readings or measurements are present in the excerpt provided.
2021-03-25 · 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.
On March 25, 2021, Michigan EGLE conducted a Surface Emission Monitoring (SEM) survey of Arbor Hills Landfill's north side and detected 8 locations with methane concentrations exceeding 500 ppm, the federal regulatory threshold under 40 CFR 60.753(d). The facility was found in overall compliance; however, corrective actions including cover maintenance and re-monitoring within 10 days were required at the exceedance locations. An elevated hydrogen sulfide area was also identified in the northwest corner of the landfill.
Key data point: 8 surface methane exceedances detected above 500 ppm threshold (ranging 639–7658 ppm), with highest reading of 7658 ppm at East side of Cell 4E, March 25, 2021; H2S elevated above 20 ppb in NW corner.
2021-03-25 · Arbor Hills Landfill · evidence · Source: EGLE Air Quality Division, N2688 Source Information page
2021-03-22 · 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.
GFL Environmental's site engineer confirms to EGLE that a map of compost water dust control application areas has been provided, and affirms in response to EGLE's clarification question that all outlined cell areas have liner beneath them.
Key data point: No specific factual measurement or violation. The document is an administrative confirmation of liner presence beneath outlined cells, without quantitative detail.
2021-03-22 · 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.
GFL Environmental submitted a map to EGLE showing the compost water dust-control application areas across Arbor Hills Landfill's active and future cells, including Cells 1–6 and variants (4A–4F). The map is a facility-provided operational document with no quantitative measurements or violation findings.
Key data point: No specific factual reading or measured value is stated; the document is a map showing operational zones for compost water application.
2021-03-18 · 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.
Golder Associates filed the 2020 Annual Mercury Pollutant Minimization Plan (PMP) Status Report for Arbor Hills Landfill on March 15, 2021, documenting compliance with NPDES permit requirements and the approved mercury monitoring plan. The report confirms that annual aerial and vehicular reviews identified no notable changes in surrounding properties and no new mercury discharge sources, so semi-annual monitoring was not triggered.
Key data point: No new mercury discharge sources identified in 2020 annual review; no semi-annual monitoring required.
2021-03-18 · 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 Pollutant Minimization Program (PMP) Annual Status Report filed by Arbor Hills Landfill on March 18, 2021, addressing mercury monitoring. The facility reports quarterly influent sampling and monthly effluent sampling for low-level mercury, with results stated as not above established criteria. The planned action for the current year is to continue monitoring low levels of mercury per the PMP.
Key data point: No specific quantitative mercury readings are provided; document states sampling was performed and results were 'not applicable' (not above criteria), but actual analytical values are referenced only as 'attached file' without disclosure in this submission.
2021-03-18 · Sauk Trail Hills Landfill (Canton, peer landfill) · procedural · Source: EGLE Warren District Office
2021-03-18 · Woodland Meadows-Van Buren Landfill (peer landfill) · procedural · Source: EGLE Warren District Office
2021-03-15 · 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 the Arbor Hills Remediation Area covering February 1–28, 2021. The report documents compliance with water-quality parameters including suspended solids, biochemical oxygen demand, ammonia, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen under NPDES permit MI0045713 v5.0. The document shows the permit limits and reporting requirements but contains no actual measured values in the body text provided.
Key data point: No specific measured readings are disclosed in the document text; it is a template showing permit limits (e.g., 45 mg/L TSS maximum daily, 6.5–9.0 SU pH range, 5.0 ng/L mercury 12-month rolling average) but the actual data rows are blank or marked with asterisks.
2021-03-09 · Arbor Hills Landfill · evidence · Source: Ypsilanti Community Utilities Authority (YCUA), public notice in Detroit Legal News
2021-02-19 · 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.
Golder Associates follows up with EGLE on a January 18, 2021 notice of noncompliance involving ammonia (NH3) discharge exceedances in December 2020 and January 2021. The facility ceased discharge on January 8, 2021, with no further discharge through January 31, 2021.
Key data point: NH3 noncompliance documented in discharge monitoring reports for December 2020 and January 2021; discharge ceased January 8, 2021.