1,738 documents · page 19 of 35
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
This is a January 2021 Discharge Monitoring Report (DMR) for Arbor Hills Remediation Area's final effluent under permit MI0045713 v5.0. The report documents daily monitoring of flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. The document flagged exceedances in ammonia nitrogen that were anticipated and led to discontinuation of discharge on 1/8/21.
Key data point: Ammonia Nitrogen measured at 6.8 mg/L (exceeding 5.4 mg/L monthly average limit) and 9.8 mg/L (exceeding 6.4 mg/L limit); discharge discontinued 1/8/21 due to anticipated exceedances; reported in Non-Compliance letter to EGLE 1/18/21.
EGLE requests that GFL Environmental provide updated information by March 15, 2021, on PFAS sampling results from two storm water ponds at Arbor Hills Landfill with elevated PFAS levels, ongoing discussions with local utilities about accepting additional flows, and feasibility assessments of reuse or alternative management options. The agency also reminds GFL to modify the facility's NPDES permits to reflect new ownership.
Key data point: Two storm water ponds at Arbor Hills Landfill have elevated levels of PFAS substances; EGLE requests sampling results and management alternatives by 3/15/2021.
EGLE requests additional information from GFL regarding PFAS contamination in two storm water ponds at Arbor Hills Landfill, including a summary of remediation actions to date, pond design details, ongoing sampling results, discussions with municipalities about alternative discharge, and feasibility of reuse options. The agency also reminds GFL to modify NPDES permits to reflect new ownership under Green for Life Environmental.
Key data point: Two storm water ponds at Arbor Hills Landfill have elevated levels of PFAS substances requiring investigation and remediation alternatives; EGLE requests status update including sampling results by 3/15/2021.
This is a December 2020 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area wastewater permit (MI0045713 v5.0), submitted by Green for Life (GFL) in January 2021. The report documents daily measurements of flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen at the final effluent outfall. Most parameters show compliance with permit limits where data was collected; many days show missing or excluded data marked with *F or *E flags.
Key data point: No specific violation or exceedance evident. Effluent temperatures ranged 40.6–48.4°F throughout December 2020; reported limit compliance on parameters where full data were available.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering December 2020, filed by Green for Life under permit MI0045713. The report documents water-quality parameters including flow, suspended solids, CBOD5, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen from the facility's final effluent.
Key data point: Ammonia Nitrogen (as N) concentration averaged 7.4 mg/L in December 2020, exceeding the permitted maximum monthly average limit of 6.4 mg/L, though GFL stated loading remained below limits due to low flow.
GFL submitted a required 5-day written notification to EGLE on January 18, 2021, following a 24-hour verbal notification of an ammonia (NH3) permit exceedance at the Arbor Hills Remediation Area under NPDES permit MI0045713.
Key data point: No specific quantitative reading provided in the cover form; the exceedance details are in the attached PDF (EGLE 5 day response NH3 permit exceedance NPDES MI0045713.pdf), which is not included in this submission record.
Golder Associates filed a Notice of Non-Compliance for the Arbor Hills Remediation Area's NPDES permit on January 18, 2021, reporting that ammonia-nitrogen concentrations in discharge exceeded the monthly average permit limit of 6.4 mg/L, reaching 7.4 mg/L in December 2020. Although the daily loading remained below the permit ceiling, the operator ceased all discharge and is implementing corrective measures including aerator operation and chemical additives to reduce ammonia through enhanced nitrification.
Key data point: Ammonia-nitrogen monthly average concentration 7.4 mg/L, exceeding permit limit of 6.4 mg/L, December 2020; discharge ceased January 8, 2021.
This is a December 2020 laboratory analysis report from Pace Analytical Services testing water discharge samples for low-level mercury using EPA Method 1631E. The report documents mercury concentrations detected in a discharge sample collected on December 10, 2020, along with quality control data and field blanks.
Key data point: Mercury detected at 1.21 ng/L in discharge sample (DISCHARGE 001A), collected 12/10/20, with duplicate at 1.01 ng/L; field blank non-detect.
GFL submitted annual monitoring parameters for the Arbor Hills Remediation Area under NPDES permit MI0045713 on January 14, 2021. The submission includes discharge data and mercury limit compliance documentation for December monitoring at the site's Discharge 001A outfall.
Key data point: No specific factual readings (temperature, concentration values, or violation findings) are stated in this procedural document; it is a cover sheet for attachments.
Laboratory analytical results for wastewater discharge sample 001A collected December 10, 2020 from Arbor Hills Landfill. The report includes comprehensive testing for metals, volatiles, semivolatiles, and other contaminants by Pace Analytical Services and Paragon Laboratories. Most parameters tested were below detection limits or below relevant regulatory thresholds.
Key data point: No specific factual reading exceeds a reportable threshold; all volatile organic compounds and most metals were non-detect or well below regulatory limits. Hardness total measured at 260 mg/L as CaCO3.
Arbor Hills Remediation Area submitted its annual Storm Water Pollution Prevention Plan (SWPPP) review report on January 8, 2021, indicating compliance with permit requirements across all inspection, training, maintenance, and documentation categories. The facility reported that a revised SWPPP was drafted in 2021 to address current conditions.
Key data point: Facility reported compliance with all SWPPP permit conditions as of January 8, 2021; no specific violations or noncompliance events detailed in submission.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering November 2020, filed by Green for Life (GFL) on 14 December 2020. The facility reported 'No Discharge' during the period, meaning no effluent was being released. The report documents permit compliance monitoring parameters including flow, suspended solids, biochemical oxygen demand, nutrients, metals, and pH—all marked with asterisks indicating no actual sample measurements were recorded.
Key data point: No Discharge reported for November 2020; no quantitative measurements recorded.
This is a Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area covering November 1–30, 2020. The report documents daily monitoring of final effluent parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), pH, dissolved oxygen, and temperature. The facility reports 'No Discharge' for the monitoring period.
Key data point: No specific quantitative readings are disclosed in the document; all data fields are marked as reporting parameters without recorded values. The document indicates 'No Discharge' for all sets during November 2020.
Arbor Hills Energy LLC received a Violation Notice from EGLE's Air Quality Division on December 2, 2020, regarding emissions issues at its ROP-permitted facility (MI-ROP-N2688-2011). The company responded on December 31, 2020, stating it is working with EGLE to submit a revised Permit to Install application and scheduled a meeting for January 2021 to address the violations.
Key data point: Violation Notice issued December 2, 2020; emissions issues at facility MI-ROP-N2688-2011; no specific quantitative readings or violation details stated in this response letter.
EGLE issued a violation notice on December 2, 2020 to Arbor Hills Energy for EU-TURBINE4-S3 exceeding SO2 permit limits in a September 25, 2020 stack test. The turbine emitted 2.02 lb/MW-hr of SO2, more than double the permitted limit of 0.9 lb/MW-hr. The operator was required to submit a corrective action plan by December 31, 2020.
Key data point: SO2 emissions 2.02 lb/MW-hr vs. permit limit 0.9 lb/MW-hr, EU-TURBINE4-S3, September 25, 2020 stack test
This document is a graphic from EGLE showing the path taken during a Surface Emission Monitoring (SEM) survey and associated methane results from Arbor Hills Landfill. The document provides visual and quantitative data on methane concentrations detected during the monitoring event. No additional context or interpretation is provided in the excerpt.
Key data point: Document consists of graphic/visual elements with methane readings from SEM survey path, but specific numerical values and well locations are not transcribed in the text provided.
EGLE conducted an unannounced off-site methane surface emission monitoring (SEM) survey along 6-Mile Road adjacent to Arbor Hills Landfill on 11/29/2020. The survey detected elevated methane readings downwind of the active face (up to 30 ppm), notably higher than previous October readings (14 ppm), though H2S levels remained low (all valves under 20 ppb). The facility was found in compliance with federal Clean Air Act and ROP requirements.
Key data point: Methane reading of 30 ppm downwind of active face on 11/29/2020, compared to 14 ppm in October; H2S all valves under 20 ppb.
GFL Environmental submitted a response to an EGLE letter dated September 10, 2020, regarding issues at Arbor Hills Landfill's storm ponds. The response was filed on November 10, 2020, and copies were sent to multiple EGLE and DHHS officials. The actual content of the response is not provided in this document excerpt.
Key data point: No specific factual data or measurements are provided in this cover email; the substantive response is contained in an attachment not included in the text.
Pace Analytical Services laboratory report dated August 24, 2020 presents water quality analysis results for a sample collected from the West Pond at Advanced Disposal Arbor Hills Landfill on August 13, 2020. The report documents Total Suspended Solids (35.9 mg/L), Carbonaceous BOD (7.8 mg/L), and Nitrogen Ammonia (8.1 mg/L) with quality control data and certifications.
Key data point: West Pond water sample: 35.9 mg/L Total Suspended Solids, 7.8 mg/L cBOD5, 8.1 mg/L Ammonia, collected 08/13/2020.
Arbor Hills submitted an NPDES permit compliance report on November 12, 2020, noting that samples collected were not representative and not intended for permit compliance per a prior August 2020 communication with EGLE staff.
Key data point: No specific factual data reading provided; document is a procedural submittal acknowledgment stating samples were non-representative per prior EGLE coordination.
This email chain documents GFL's (Advanced Disposal Services) response to an EGLE Violation Notice issued July 27, 2020, regarding outfall and pond maintenance. The facility committed to clearing overgrown vegetation around Outfall 001 and implementing biweekly inspections during growing season to ensure visual access, with photographic documentation provided to EGLE in November 2020.
Key data point: Outfall 001 area cleared of overgrown brush; biweekly inspection protocol implemented during growing season (May 1 – Nov 30 discharge prohibition period), with staff gauges installed on overflow pipes to measure freeboard.
This is a standard Discharge Monitoring Report (DMR) filed by Green for Life for the Arbor Hills Remediation Area covering October 1–31, 2020. The report documents daily monitoring of water quality parameters at Final Effluent (1) under permit MI0045713 v5.0, with all parameters marked as "No Discharge." The document certifies compliance with permit limits for suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), pH, dissolved oxygen, and temperature.
Key data point: Document indicates "No Discharge: Y" for the entire October 2020 period; no specific measured readings are provided in the table rows (all data cells are blank).
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering October 2020, filed by Green for Life (GFL) in November 2020. The report documents water quality monitoring for the facility's final effluent across multiple parameters including suspended solids, biochemical oxygen demand, nutrients, metals, temperature, and pH. The document shows "No Discharge" marked as 'Y', indicating no active discharge during the period.
Key data point: No discharge reported for October 2020; document contains permit limits and monitoring protocols but no measured effluent data due to 'No Discharge' status.
AQD conducted a compliance inspection of Arbor Hills Landfill on October 28, 2020, finding 33 locations with surface methane concentrations exceeding the 500 ppm federal standard. The inspection identified non-compliance with the gas collection system operational requirements, including multiple wells with trapped water preventing adequate gas capture and cover integrity issues.
Key data point: 33 exceedances of 500 ppm methane threshold found in abbreviated SEM survey; highest single reading 114,995 ppm at Well 265R2; downwind methane on Napier Road measured at 14 ppm, October 28, 2020.
This PFAS Site Characterization Report, prepared by Golder Associates for Arbor Hills Sanitary Landfill in October 2020, documents a comprehensive investigation of per- and polyfluoroalkyl substances (PFAS) detected in groundwater, surface water, sediment, and leachate at the site. Monitoring well MPB-393 contained PFOA, PFOS, and PFHxS at concentrations exceeding Michigan's drinking water criteria (DWC), and multiple potential contamination sources were identified, including legacy fire-fighting foam use at adjacent Great Lakes Recycling, leachate management system failures, and potential sanitary sewer line seepage. A PFAS treatment system was installed on-site by September 2020 to remove PFAS from leachate before discharge.
Key data point: Groundwater at well MPB-393 contained PFOA at 26 ng/L (exceeds 8 ng/L DWC), PFOS at 49 ng/L (exceeds 16 ng/L DWC), and PFHxS at 210 ng/L (exceeds 51 ng/L DWC) as of April 2, 2020; surface water samples from Detention Pond showed PFOS up to 400 ng/L (exceeds 12 ng/L Rule 57 limit); sediment from detention pond stilling basin exceeded PFOS GSIP criterion at 0.24 µg/kg.
Document presents a spatial map or survey showing SEM (Supplemental Environmental Monitoring) path coverage with marked locations of methane detections and hydrogen sulfide (H2S) exceedances above 20 ppb at Arbor Hills Landfill.
Key data point: H2S measured above 20 ppb at multiple perimeter locations; specific well IDs and quantitative H2S values not provided in title/metadata.
EGLE filed a report documenting structural failure of the Cell 4E separation berm at Arbor Hills Landfill, caused by trapped methane gas creating internal pressure that deformed the berm. This is a subsurface gas-management failure requiring immediate corrective action.
Key data point: Cell 4E separation berm ballooning (structural deformation) due to trapped methane, reported by EGLE October 2020.
On October 28, 2020, EGLE conducted a Surface Emission Monitoring (SEM) survey at Arbor Hills Landfill and found 33 locations with methane concentrations exceeding the 500 ppm regulatory threshold. The survey revealed multiple exceedances at active gas collection wells, erosion rills, and damaged infrastructure, indicating non-compliance with federal Clean Air Act standards. Corrective actions including cover maintenance, vacuum adjustments, and potential installation of new collection devices are required within regulatory timelines.
Key data point: 33 methane exceedances detected on 10/28/2020 including Well 265R2 at 114,995 ppm, Well 264R2 at 53,388 ppm, and Well 5-01 (damaged cap, visible gas/odor) at 32,873 ppm; downwind reading 14 ppm on Napier Road with strong sewage smell; COMPLIANCE STATUS: Non-Compliance.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering September 1–30, 2020, filed by Green for Life on behalf of Advanced Disposal Services. The report documents daily monitoring of final effluent parameters including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen under permit MI0045713 v5.0. The permit shows 'No Discharge' status for all monitoring locations during the period.
Key data point: No actual discharge measurements are presented in the document; all data fields are blank and the report indicates 'No Discharge: Y' for all parameter sets.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering September 1–30, 2020, submitted by Green for Life on October 15, 2020. The report shows water-quality monitoring parameters for the facility's final effluent, including suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, metals (arsenic, mercury, selenium), temperature, pH, and dissolved oxygen. The document certifies that all measurements were gathered and evaluated in accordance with the permit requirements.
Key data point: No discharge occurred during the reporting period (marked 'No Discharge: Y'); all monitoring parameters show permit limits but no actual measured sample data in the fields marked with asterisks.
EGLE Air Quality Division staff observed a scheduled stack emissions test of Solar Turbine 4 at Arbor Hills Landfill on September 25, 2020. The test was conducted by IMPACT under an approved protocol; all emissions values were reported as below limits except for an ongoing SO2 exceedance already under enforcement.
Key data point: H2S Draeger tube samples read at 350 ppm each at 10:35 AM during Run #1 testing on 9/25/2020.
This is a compliance air emission test report for the Solar Taurus turbine (EUTURBINE4-S3) at Arbor Hills Energy, LLC, conducted on September 25, 2020. The turbine burns landfill gas to generate electricity. Testing measured emissions of carbon monoxide, sulfur dioxide, volatile organic compounds, and hydrogen chloride against permit limits.
Key data point: SO2 emissions exceeded permit limits: measured 2.02 lb/MW-hr against 0.9 lb/MW-hr limit; measured 0.16 lb/MMBtu against 0.15 lb/MMBtu limit. All other pollutants (CO, VOC, HCI) were compliant.
On September 24, 2020, The Conservancy Initiative reported a surge in odor complaints at Arbor Hills Landfill following a wind shift, with approximately 30 complaints recorded overnight and 10 more by morning, tracked through their odor reporting database. The document includes communication about technical issues with the automated odor report notification system and raw complaint data showing complaints correlate strongly with wind direction from the west.
Key data point: Approximately 30 odor complaints received overnight of September 23–24, 2020, and 10 more by 9:54 AM on September 24, 2020, downwind of landfill; complaints correlate with west wind direction.
Advanced Disposal Services submitted an updated inspection form for Arbor Hills Landfill's GC-1 pump and gradient ponds in response to a July 27, 2020 Notice of Violation. The form documents required inspections of inlet pipes, overflow freeboard measurements, aerator systems, pump operations, and outfall vegetation conditions. This was procedural correspondence with EGLE to demonstrate compliance with remediation requirements.
Key data point: No specific factual readings are stated in this document; it is a blank inspection form template with checkboxes and fields for future data entry.
USPS return receipt for a certified mail item sent to Don Kindig at Advanced Disposal Services, Arbor Hills Landfill, Inc., in Northville, Michigan on September 17, 2020. The document provides proof of mailing and delivery service type selection only.
Key data point: No factual environmental data or specific claims present in this document.
Advanced Disposal Services responded to a July 27, 2020 Notice of Violation by committing to increased inspection frequency of wastewater ponds and gradient pond monitoring, and providing field forms (Daily Field Form and GC-1 Inspection Form) to document conditions. The company also reported that water sampling was performed on August 13, 2020, with results pending lab analysis, and that staff gauges were installed to measure freeboard in both ponds.
Key data point: No specific quantitative data is provided in this procedural response; it documents inspection commitments and field form templates only.
Advanced Disposal Services responds to a Violation Notice for an unauthorized discharge of approximately 27,600 gallons of wastewater from the west treatment pond on July 6–7, 2020, which occurred during the prohibited discharge season (May 1–November 30) under NPDES Permit No. M10045713. The company commits to increased facility inspections, updated maintenance procedures, installation of monitoring equipment (staff gauges, beaker light), and lock-out/tag-out procedures for the gradient control pump to prevent future unauthorized discharges.
Key data point: 27,600 gallons unauthorized wastewater discharge from west treatment pond, July 6–7, 2020, during prohibited discharge season (May 1–November 30); NPDES Permit violation.
Advanced Disposal submitted a corrective action response to EGLE regarding a Notice of Violation issued on July 27, 2020 for Arbor Hills Landfill. The email transmits the company's formal response document to the state regulator. No specific violation details or remedial actions are described in the email itself.
Key data point: Notice of Violation issued July 27, 2020; response submitted August 26, 2020. Specific violation details not stated in email.
EGLE sent corrective action recommendations to Advanced Disposal Services following a July 27, 2020 Violation Notice at Arbor Hills Landfill. The correspondence addresses inspection procedures for wastewater ponds (GC-1 and Gradient Ponds), installation of staff gauges for freeboard measurement, and sampling requirements. EGLE requested biweekly outfall inspections during growing season and confirmation of procedural changes.
Key data point: No specific quantitative readings present; document concerns procedural corrective measures and inspection scheduling in response to an unspecified July 27, 2020 Violation Notice.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering August 2020, filed by Green for Life (GFL) under NPDES Permit MI0045713. The facility reported monitoring of final effluent parameters including flow, suspended solids, biochemical oxygen demand, nutrients, metals, temperature, pH, and dissolved oxygen. The document shows no discharge occurred during the reporting period ('No Discharge: Y'), with all actual sample measurements marked as asterisks (data redacted or not applicable).
Key data point: No quantitative readings are reported; all sample measurement fields are redacted or marked with asterisks. The document is a template with permit limits listed but no actual August 2020 measurements disclosed.