2015-04-17 · 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.
Golder Associates submitted selenium test results from Arbor Hills pond samples to Michigan DEQ on April 6, 2015, requesting approval to initiate discharge in April. The four water samples from east and west ponds showed total selenium concentrations of 0.17–0.54 µg/L, reported as below the NPDES permit limit using a modified preparation method.
Key data point: Selenium concentrations: NPDES GC-1: 0.54 µg/L, East Pond: 0.17 µg/L, West Pond (B): 0.18 µg/L, West Pond (M): 0.18 µg/L, all collected March 17–18, 2015; reported as below permit limit.
2015-04-15 · Arbor Hills Remediation Area · evidence · routine
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This 2014 annual mercury monitoring report for the Arbor Hills Remediation Area documents quarterly wastewater sampling results from the site's remediation system. Mercury concentrations ranged from below detection (<0.500 ng/L) to 1.91 ng/L, all well below the 10 ng/L rolling average limit specified in the approved Mercury Pollutant Minimization Plan.
Key data point: Average influent mercury concentration for 2014: 1.16 ng/L, well below the 10 ng/L twelve-point rolling average limit; no measured concentrations exceeded the permitted ceiling.
2015-03-10 · Arbor Hills Landfill · evidence · routine
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Fortistar Methane Group conducted EPA-compliant stack emissions testing of landfill gas turbines #1 and #3 at Arbor Hills Energy, LLC in March 2015. All measured emissions of NOx, CO, SO2, HCl, and VOC were below permit limits under both duct-burner-on and duct-burner-off scenarios.
Key data point: EGT #1 and #3 emissions testing (3/10–3/11/2015): all pollutants measured below permit limits; e.g., NOx averaged 1.882 lb/hr for Turbine #1 (permit limit 10.4 lb/hr with duct burner on), CO averaged 1.21 lb/hr (permit limit 15.3 lb/hr).
2015-01-07 · procedural · notable
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Arbor Hills Energy LLC responds to a December 15, 2014 violation notice concerning late submission of a source test report for turbine EGT-1 and an exceedance of the CO emission limit. The facility explains the delay was due to a misunderstanding about reporting requirements and notes that on-site monitoring showed compliant results, though the official source test showed non-compliant CO emissions. The company requests to reschedule the required confirmatory source test from January to March 2015 due to weather and logistical constraints.
Key data point: CO emission exceedance during September 3–4, 2014 source test on EGT-1 (specific lb/hr value not stated in this letter); report submitted 9 days late (November 13, 2014 instead of November 4, 2014).
2014-12-23 · Arbor Hills Remediation Area · procedural · routine
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Golder Associates notified Michigan DEQ of plans to discharge from remediation ponds at Arbor Hills under Permit MI0045713, after verifying that ammonia concentrations in December 2014 samples were within permit limits. Additional diffusers were installed in the ponds and discharge was planned to begin in early January 2015.
Key data point: Ammonia concentrations in pond samples collected December 2, 2014 reported as within permit limits; no specific numerical values provided in the document.
2014-12-15 · Arbor Hills Landfill · evidence · notable
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The Michigan DEQ issued a violation notice to FORTISTAR Methane Group on December 15, 2014, citing two air quality violations at the Arbor Hills Energy turbine plant: failure to submit a complete stack-testing report within the required 60-day window, and measured carbon monoxide emissions that exceeded permit limits. The preliminary test results from September 2014 reported combined CO emissions of 15.89 lbs/hr, exceeding the ROP limit of 15.3 lbs/hr.
Key data point: CO emissions 15.89 lbs/hr (0.59 lbs/hr over 15.3 lbs/hr ROP limit), EUTURBINE1-S3 and EUDUCTBURNER1-S3 combined, September 5-6 2014 stack testing.
2014-09-19 · Arbor Hills Landfill · evidence · routine
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EGLE's Air Quality Division completed a Full Compliance Evaluation of Arbor Hills Landfill (SRN N2688) from October 2013 through September 2014, finding the facility in compliance with all applicable air regulations. The evaluation included multiple scheduled inspections, complaint investigations, and reviews of regulatory operational permits (ROP) and malfunction reports. Several odor complaints were received and investigated during summer 2014, all resolved by the evaluation completion date.
Key data point: No specific quantitative readings provided; document states overall compliance finding as of 09/19/2014.
2014-09-18 · Arbor Hills Landfill · procedural · routine
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EGLE conducted an on-site inspection of Arbor Hills Landfill on September 18, 2014, focusing on follow-up to compost odor complaints and well-field improvements. The inspector found the facility in compliance with air regulations, observed no off-site landfill or compost odors, and noted that management had resolved recent complaints through engagement with residents and improved compost pad operations.
Key data point: No specific quantitative data or violations documented; inspection concluded facility in compliance with air regulations as of September 18, 2014.
2014-09-10 · Arbor Hills Landfill · evidence · routine
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An EGLE Air Quality Division inspector conducted a scheduled September 2014 inspection of the Fortistar gas-extraction plant at Arbor Hills Landfill, observing stack-testing results for three turbines and documenting process conditions including temperatures, landfill gas flows, and composition. The facility was found in compliance with ROP requirements at the time of inspection.
Key data point: Solar Turbine No. 4 in-stack temperature = 1190°F during stack testing on 9-6-14; EGT No. 1 downstream temperature = 979°F; EGT No. 2 downstream temperature = 951°F. All readings from gas turbine exhaust stacks, not subsurface well temperatures.
2014-09-05 · Arbor Hills Landfill · evidence · routine
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This is a compliance source testing report for the Solar Taurus Gas Turbine and Typhoon Turbine Unit 2 at Arbor Hills Energy LLC conducted by TRC Environmental on September 5–6, 2014. The report documents measured emission rates for NOx, CO, hexane, and HCl at the facility in Northville, Michigan, using EPA reference methods.
Key data point: Typhoon Turbine Unit 2 measured CO at 110.1 ppmvd average (12.83 lb/hr, 4.62 ton/month), September 5–6, 2014.
2014-09-04 · Arbor Hills Landfill · procedural · routine
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An EGLE Air Quality Division inspector conducted a scheduled on-site inspection at Arbor Hills Landfill on September 4, 2014, in conjunction with planned stack testing of two turbines at an adjacent gas plant. The facility was found to be in compliance. Stack testing was delayed due to complications at another site and was rescheduled for later that week.
Key data point: No specific factual measurements or violations documented; inspection noted compliance status and scheduling delay for turbine stack testing.
2014-08-15 · procedural · routine
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An EGLE Air Quality Division inspector visited Arbor Hills Landfill on August 15, 2014, to investigate compost-related odor complaints from the summer. The inspection found no detectable compost or landfill odors off-site along perimeter roadways under NW wind conditions at 67°F.
Key data point: No compost odors and no landfill odors detected off-site along perimeter roadways during inspection on August 15, 2014.
2014-07-31 · Arbor Hills Remediation Area · evidence · notable
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On May 19, 2014, the Michigan DEQ conducted a NPDES Compliance Evaluation Inspection at Arbor Hills Remediation Area and identified nine effluent violations in the prior twelve months, including multiple exceedances of ammonia nitrogen and total selenium discharge limits from December 2013 through April 2014. The violations were not reported in accordance with permit requirements; the facility attributed elevated ammonia to low nitrification rates caused by extreme cold and shortened aeration, while continuing to investigate selenium exceedances. The facility was ordered to respond by June 20, 2014 with corrective action measures and confirmation of future compliance reporting.
Key data point: Nine documented NPDES permit violations (ammonia nitrogen and total selenium) from December 2013–April 2014, not reported as required; highest ammonia readings 12.8 mg/L (April 2014, permitted limit 4.2 mg/L) and 9.9 lbs/day (April 2014, permitted limit 3.5 lbs/day).
2014-07-31 · Arbor Hills Remediation Area · procedural · routine
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The Michigan DEQ formally classifies the wastewater treatment facility at Arbor Hills Remediation Area (NPDES Permit MI0045713) as an A-1d Impoundment and C-1b Aerated Pond facility under Part 31 of NREPA. The classification becomes effective 60 days from the May 28, 2014 letter date and designates Paul Sgriccia as the certified operator of record.
Key data point: No specific quantitative data, measurements, or violations. Procedural classification letter assigning facility treatment-type categories.
2014-07-10 · Arbor Hills Landfill · evidence · routine
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EGLE conducted a follow-up inspection of Arbor Hills Landfill on July 10, 2014, to verify corrective actions taken after recent odor complaints from the compost operation. The inspector observed low-intensity compost odors characteristic of a well-run aerobic operation and met with management to discuss measures to prevent future nuisance episodes, focusing on yard-waste accumulation control at source facilities.
Key data point: Low-intensity aerobic compost odors observed at Advanced Disposal office parking lot during inspection; company committed to preventing yard-waste accumulation exceeding 40 truckloads at source.
2014-06-26 · Arbor Hills Remediation Area · procedural · routine
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Republic Services submitted an Electronic Environmental Reporting System activation form dated June 26, 2014, to authorize Christina Pearse as a certified user for Discharge Monitoring Report (DMR) data submission at the BFI facility located at 10159 W. Six Mile Road, Northville, Michigan (NPDES permit M1006857). The form establishes account credentials for electronic DMR reporting to the Michigan Department of Environmental Quality.
Key data point: No specific factual measurements or regulatory violations are stated in this document; it is a procedural authorization form for DMR reporting access.
2014-06-05 · Arbor Hills Landfill · procedural · routine
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EGLE conducted a self-initiated inspection of Arbor Hills Landfill on June 5, 2014. The facility was found in compliance. Minor observations included slight compost odors near the compost pad, no landfill odors around the perimeter, and dust tracking from trucks on Napier Road.
Key data point: No specific factual measurements or violations documented; inspection found facility in compliance.
2014-06-03 · Arbor Hills Remediation Area · evidence · notable
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This 2014 DEQ post-inspection report documents the Arbor Hills Remediation Area wastewater treatment facility on a compliance evaluation inspection. The facility treats contaminated groundwater and compost pile runoff through impoundment, ion exchange, carbon adsorption, and aerated lagoons. The inspection found the facility temporarily shut down with ponds collecting only storm water, and identified a documented pattern of permit violations including ammonia, selenium, pH, BETX, and other parameter exceedances dating back to 2009.
Key data point: 18 documented effluent violations spanning 2009–2014 including ammonia nitrogen, pH, and benzene exceedances; facility did not report violations in timely manner on DMRs; pH monitoring not performed weekly since permit effective date (2014-04-01).
2014-05-23 · Arbor Hills Remediation Area · evidence · notable
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DEQ conducted an NPDES Compliance Evaluation Inspection at Arbor Hills Remediation Area on May 19, 2014, evaluating the facility's wastewater discharge permit compliance. The inspection identified multiple violations of ammonia nitrogen and total selenium discharge limits between December 2013 and April 2014, as well as a reporting failure under permit requirements.
Key data point: Ammonia Nitrogen violations in April 2014: 9.9 lbs/day reported vs. 3.5 lbs/day limit (282% exceedance); Total Selenium violation April 2014: 6.1 µg/L vs. 5.0 µg/L limit; permit violations not reported within 24 hours as required by NPDES Permit MI0045713 Part II.C.6.
2014-05-23 · Arbor Hills Remediation Area · evidence · notable
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This is a pre-inspection report for the Arbor Hills Remediation Area NPDES permit (MI0045713), covering a groundwater and compost runoff treatment facility. The report documents a long history of effluent violations from 2009–2013 involving ammonia, pH, dissolved oxygen, and other parameters, along with monitoring and sampling failures. The facility was shut down at the time of the May 2014 inspection, with ponds collecting only stormwater and planned restart in December 2014.
Key data point: Multiple effluent violations 2009–2013 including ammonia nitrogen, pH exceedances (9.46 S.U. vs. 9.0 limit), and failures to monitor pH weekly since permit took effect April 2014.
2014-05-12 · Arbor Hills Remediation Area · procedural · routine
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Republic Services submitted sampling results for gas collection wells GC-1 and GC-2 at Arbor Hills Landfill to Michigan DEQ, fulfilling a permit requirement under Part 1 Section A 3. The email transmits a technical memo with the detailed sampling data.
Key data point: No specific numerical readings or measurements are provided in the email header itself; the detailed results are in the attached technical memo (not shown in full).
2014-05-12 · Arbor Hills Remediation Area · procedural · routine
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Republic Services submitted gas sampling results for wells GC-1 and GC-2 at Arbor Hills Landfill to EGLE (Michigan DEQ) in May 2014, fulfilling a permit requirement. The document is a cover email with a technical memo attachment containing the actual sampling data.
Key data point: No specific factual readings are visible in the cover page; the actual sampling results are contained in the attached technical memo, which is not fully shown in this excerpt.
2014-03-27 · Arbor Hills Landfill · procedural · routine
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EGLE conducted a March 27, 2014 on-site inspection of Arbor Hills Landfill covering the Fortistar gas plant (Section 3 of ROP) and landfill operations (Section 2). The facility was found in overall compliance with no visible emissions observed from stacks; the inspection also addressed a condensate crock odor issue on the south perimeter.
Key data point: No specific factual readings (temperature, CO, violations, or measured air quality) are reported; the inspection found compliance status with no visible emissions noted.
2014-03-12 · Arbor Hills Remediation Area · procedural · routine
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The Michigan Department of Environmental Quality issued an NPDES permit (No. MI0045713) to BFI Waste Systems for the Arbor Hills Remediation Area on March 12, 2014. The permit authorizes wastewater discharge and establishes effluent limits and compliance schedules subject to state and federal water pollution control laws. The permittee is required to monitor and report data, with violations subject to DEQ and EPA audit and potential inclusion in quarterly noncompliance reports.
Key data point: No specific factual readings or violation data are provided in this issuance letter.
2014-03-03 · Arbor Hills Remediation Area · procedural · routine
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This is a QA/QC report for NPDES Permit MI0045713 covering the Arbor Hills Remediation Area (a groundwater and compost-pile runoff treatment facility operated by BFI/Republic Services). The permit, effective April 1, 2014, sets effluent limits for various contaminants including CBOD5, suspended solids, ammonia nitrogen, arsenic, vinyl chloride, mercury, nickel, and selenium at monitoring point 001A discharging to an unnamed tributary of Johnson Drain.
Key data point: No specific factual measurement data is provided; this document presents only permitted effluent concentration and loading limits for the reissued permit.
2014-02-27 · Arbor Hills Landfill · evidence · routine
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An EGLE inspector conducted a perimeter inspection on February 27, 2014, in cold conditions (7°F, 35-40 mph NNW wind). The facility was found in compliance. Plastic bags were blowing against fencing and crews were collecting them; no fugitive dust or off-site landfill odors were observed at downwind locations, though typical compost odors were noted near the truck entrance.
Key data point: No fugitive dust problems and no landfill odors observed at downwind perimeter locations (Napier from 5 Mile to 6 Mile Rd); facility in compliance status as of February 27, 2014.
2014-01-28 · Arbor Hills Remediation Area · procedural · routine
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This is a public notice for an NPDES Individual Permit (MI0045713) issued to the Arbor Hills Remediation Area. The permit was posted at the site entrance on January 27, 2014, and remained available for public comment through February 26, 2014.
Key data point: No specific factual readings or violations stated; document is procedural notice only.
2014-01-27 · Arbor Hills Remediation Area · procedural · routine
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DEQ issued a public notice on January 27, 2014, announcing the reissuance of NPDES Permit No. MI0045713 for the Arbor Hills Remediation Area operated by BFI Waste Systems of North America, LLC. The draft permit documents were made available for public comment via the DEQ website.
Key data point: No specific factual readings or violations documented; procedural notice only.
2014-01-22 · Arbor Hills Remediation Area · evidence · routine
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This is a water quality-based effluent limits (WQBEL) technical review for Arbor Hills Remediation Area's NPDES permit reissuance, dated September 2013. The document analyzes groundwater discharge from the facility to an unnamed tributary of Johnson Creek and recommends permit limits for multiple toxic pollutants including mercury, selenium, nickel, arsenic, and vinyl chloride. The facility's request to bypass carbon treatment is evaluated against water quality standards.
Key data point: Recommended monthly effluent limit for total mercury of 10 ng/L based on Level Currently Achievable analysis; selenium limit of 5 µg/L, nickel limit of 120 µg/L, arsenic limit of 10 µg/L, and vinyl chloride limit of 13 µg/L.
2014-01-14 · Arbor Hills Remediation Area · procedural · routine
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Advanced Disposal Systems submitted an annual Stormwater Pollution Prevention Plan (SWPPP) review certification for Arbor Hills Landfill on January 14, 2014, certifying compliance with standard stormwater management requirements including site mapping, material inventory documentation, spill reporting, and employee training.
Key data point: No specific factual readings or violations stated; this is a checklist certification form with no quantitative data.
2014-01-07 · Arbor Hills Remediation Area · procedural · routine
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Michigan Department of Environmental Quality issued a Public Notice Letter on January 8, 2014, directing Republic Services to post a draft NPDES wastewater discharge permit (MI0045713) for the Arbor Hills Remediation Area in Northville for public comment from January 27 through February 26, 2014. The permit authorizes discharge of wastewater from the BFI Waste Systems facility based on an application filed in April 2011 and amended through February 2013.
Key data point: No specific factual reading or measurement provided; document is a procedural notice requiring posting and public comment on draft NPDES permit MI0045713.
2014-01-03 · Arbor Hills Remediation Area · procedural · routine
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This is a January 2014 email exchange between Michigan DEQ and Republic Services regarding a draft NPDES Individual Permit (MI0045713) for the Arbor Hills Remediation Area. Republic Services submitted minor comments on the draft permit and fact sheet and requested a conference call to discuss them.
Key data point: No specific factual readings or violations stated; this is a procedural permit review document with no quantitative environmental data.
2013-12-12 · Arbor Hills Remediation Area · procedural · routine
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DEQ reviewer Amanda Bosak identified that temperature data submitted by Republic Services for Arbor Hills (MI0045713) for January 2008, December 2008, and January 2009 were incorrectly reported in Celsius rather than converted to Fahrenheit in the eDMR system. Christina Pearse confirmed the error and stated that corrections had already been made in the system.
Key data point: Raw field meter data in Celsius (ranging 2.3–10.3°C) were reported unconverted in eDMR for three months (Jan 2008, Dec 2008, Jan 2009); error acknowledged and corrected by operator.
2013-12-12 · Arbor Hills Landfill · evidence · routine
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An EGLE air-quality inspector conducted a perimeter odor-monitoring inspection of Arbor Hills Landfill on December 12, 2013, driving multiple routes around the facility and adjacent neighborhoods under southwest wind conditions (15–18 mph, 12°F). The inspector observed no odors at any location, including along perimeter roads, toward nearby residential subdivisions, and directly downwind of landfill and compost operations.
Key data point: No odors observed on inspection date (12/12/2013) during downwind monitoring under SW winds 15–18 mph.
2013-12-04 · Arbor Hills Remediation Area · procedural · routine
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EGLE (Michigan DEQ) is sending Republic Services a draft NPDES permit (MI0045713) for the Arbor Hills Remediation Area, soliciting comments by January 4, 2014 before public notice. The permittee must adopt electronic discharge monitoring reporting and post public notice at the facility entrance.
Key data point: No specific factual readings or violations stated; procedural notice only.
2013-12-03 · Arbor Hills Remediation Area · procedural · routine
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This is a cover page or title page for a document about Arbor Hills dated May 17, 2010, authored by Lishba Varughese. The full 53-page report is referenced as being stored in a Google Drive folder, but the document text provided does not include the substantive content needed to classify its nature or extract specific claims.
Key data point: No specific factual data, measurements, or regulatory claims are presented on the cover page shown.
2013-11-12 · evidence · routine
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On November 12, 2013, an EGLE Air Quality Division inspector conducted an on-site inspection of Arbor Hills Landfill. No odors were detected around the landfill perimeter despite cold, windy conditions. The inspector noted ongoing soil removal from a stockpile area that may have been affecting gas-well vacuum by flexing laterals.
Key data point: No odors observed anywhere along perimeter roads; 29°F, wind NNE @ 15-18 mph on 11/12/2013.
2013-11-12 · Arbor Hills Remediation Area · procedural · routine
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Arbor Hills Landfill submitted its annual SWPPP (Storm Water Pollution Prevention Plan) compliance review to the Michigan DEQ on 11/11/2013, more than 10 months after the January 10 deadline. The permittee certifies that all 10 checklist items—from facility information accuracy through corrective action completion and operator certification—were answered affirmatively or marked N/A.
Key data point: No specific quantitative measurements or violations are stated in this form; it is a procedural checklist certification with all items marked compliant.
2013-11-06 · Arbor Hills Remediation Area · procedural · routine
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The Michigan Department of Environmental Quality notified Advanced Disposal Services (operator of Arbor Hills Landfill) that its required annual Storm Water Pollution Prevention Plan (SWPPP) review report, due January 10, 2013, had not been received as of November 2013. The facility was given until December 6, 2013 to submit the overdue report.
Key data point: Annual SWPPP review report due January 10, 2013 was not submitted by November 7, 2013 (deadline extended to December 6, 2013).
2013-11-04 · Arbor Hills Remediation Area · procedural · routine
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This November 2013 fact sheet describes BFI/Arbor Hills' groundwater treatment system and proposes modifications to the NPDES discharge permit (MI0045713), including decommissioning the ion exchange system and adding new effluent parameters based on monitoring data. The facility discharges treated groundwater to an unnamed tributary of Johnson Drain under seasonal restrictions and water-quality-based limits.
Key data point: No specific urgent factual reading provided. Document is a procedural permit-modification notice with historical effluent data (2007–2012) but no recent measured values or violations.
2013-11-04 · 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.
The Michigan Department of Environmental Quality proposes to reissue a discharge permit (MI0045713) for the Arbor Hills Remediation Area, which treats contaminated groundwater from the landfill site and discharges it to an unnamed tributary of Johnson Drain. The draft permit modifies monitoring requirements and effluent limits for various contaminants including vinyl chloride, arsenic, nickel, selenium, and total mercury, with a final mercury limit of 10 ng/L based on a Multiple Discharger Variance.
Key data point: Total Mercury effluent limit set at 10 ng/L (Discharge-Specific Level Currently Achievable) under Multiple Discharger Variance from water quality-based limit of 1.3 ng/L.
2013-11-01 · Arbor Hills Remediation Area · procedural · routine
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This is a 2013 NPDES permit basis memo for the Arbor Hills Remediation Area (PID 92202.1) authorizing discharge of 0.1 MGD of treated groundwater to an unnamed tributary of Johnson Drain. The memo establishes effluent limitations and monitoring requirements for various parameters including BETX, heavy metals, nutrients, and conventional pollutants, with seasonal restrictions prohibiting discharge from May through November except in emergencies.
Key data point: No specific measured readings provided; document is a permit framework with permitted concentration and loading limits (e.g., Benzene ≤5.0 µg/l, Total BETX ≤20 µg/l at discharge).
2013-11-01 · Arbor Hills Remediation Area · procedural · routine
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This June 2002 NPDES permit memorandum from Michigan DEQ establishes treatment technology-based effluent limits (TTBEL) for Onyx Arbor Hills Landfill's groundwater and compost pile discharges to Johnson Creek. The facility treats contaminated groundwater containing volatile organics using activated carbon filtration and proposes limits for suspended solids, BETX compounds, benzene, and chlorinated volatile organics.
Key data point: No specific factual reading provided; document sets permitted discharge limits (e.g., TSS 20–30 mg/l depending on season, BETX 20 µg/l) rather than reporting measured conditions.
2013-10-17 · Arbor Hills Landfill · evidence · notable
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EGLE conducted a scheduled on-site inspection of Arbor Hills Landfill on October 17, 2013, with the new General Manager. The inspector noted possible subsurface oxidation evidence on the western slope with CO levels in the several-hundred ppm range (below 1000 ppm threshold), observed strong landfill gas odors from an open condensate sump, and toured nearby residential subdivisions including Northville Ridge and Steeplechase to understand community proximity to the facility.
Key data point: CO measurements at western slope location in range of several hundred ppm, below 1000 ppm subsurface oxidation benchmark, October 2013.
2013-10-10 · Arbor Hills Landfill · evidence · routine
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EGLE Air Quality Division conducted an on-site inspection on October 10, 2013, driving around the Arbor Hills Landfill perimeter to observe odors and meet with management. No off-site landfill odors were detected, though a slight acrid compost odor was noted at the compost entrance, and off-road trucks were observed hauling finished compost.
Key data point: No landfill odors observed off-site; facility in compliance as of October 10, 2013.
2013-09-13 · Arbor Hills Remediation Area · procedural · routine
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DEQ reviewer Amanda Bosak identifies a data-entry discrepancy in Arbor Hills' temperature reporting to the eDMR system: raw field measurements from January 2008, December 2008, and January 2009 were submitted in Celsius instead of Fahrenheit. Republic Services acknowledges the error and confirms corrections have been made in the system.
Key data point: No specific temperature readings stated. Document addresses only a procedural data-conversion error in eDMR reporting for early 2008–2009 monthly submissions.
2013-09-10 · 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 Michigan DEQ memo reviews the NPDES permit application for Arbor Hills Remediation Area's request to discharge 0.10 million gallons per day of treated groundwater. The review identifies several toxic pollutants (mercury, selenium, nickel, arsenic, and vinyl chloride) with reasonable potential to exceed water quality standards, and recommends specific effluent limits and monitoring requirements for each.
Key data point: Selenium measured at 31 µg/L in facility effluent, exceeding the recommended monthly limit of 5 µg/L; mercury samples ranged from 1.1 to 9.2 ng/L with a recommended limit of 10 ng/L.
2013-08-06 · 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.
EGLE conducted a scheduled air quality inspection of Arbor Hills Landfill on August 6, 2013, finding the facility in compliance. The inspection noted recent installation of approximately 17 new gas-extraction wells around Cell 5's perimeter and an over-the-top horizontal jumper pipe that increased landfill gas collection from 6,400 scfm (May) to 8,000–9,000 scfm (August), with no odor complaints since the jumper's spring installation. Republic and Fortistar were evaluating modifications to existing flare permits and considering a new stand-alone flare on the north slope.
Key data point: Landfill gas collection increased to 8,000–9,000 scfm (August 2013) following installation of ~17 new perimeter wells and horizontal jumper pipe; no complaints since spring 2013 installation.
2013-08-01 · Arbor Hills Landfill · evidence · routine
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EGLE Air Quality Division conducted an on-site inspection and odor survey around Arbor Hills Landfill on August 1, 2013, at ambient temperature of 69°F with westerly winds. Inspectors observed slight garbagey odors near the leachate tank south of the railroad crossing on Napier Road and compost odors at the Napier/6 Mile intersection, but detected no odors in the Northville Ridge subdivision. The facility was found in compliance.
Key data point: Slight garbagey odor observed at truck entrance to leachate tank south of railroad crossing on Napier Rd, just north of 5 Mile intersection, August 1, 2013.
2013-06-20 · 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.
EGLE conducted an on-site inspection of Arbor Hills Landfill on June 20, 2013, finding the facility in compliance. The inspection documented construction activities including soil moving, installation of new gas wells around Cell 5, and placement of compost materials to support landfill gas collection infrastructure improvements.
Key data point: Modest-intensity landfill gas and garbage odor observed for approximately 100 yards along Six Mile Road downwind of landfill offices; wind SE @ 5 mph, 67°F at 9:20 am on June 20, 2013. No recent odor complaints documented.