Environmental Examples Environmental Examples Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 400000 4000000 1000000 1000000 400000 4000000 1000000 1000000 1 1

Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well LFG-01 Multi-Level Landfill Gas Monitoring Well 40 565843 4809564 565843 4809564 287.4 20 0 20 0 8272026031501 1 1 0 0 0 0 0 46261 46261.1311089236 Cambridge, Ontario Gas in well 46261 GeoProbe Environmental Services Ltd. 0 46261 0 0 4.25 Hollow Stem Auger 6 Landfill gas monitoring 0.5 6 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 1 1 3 88 0 0 88.8888888888889 0 0 81 0 0 0 Admin Admin 46261.1362464005 0 0 0 0 46261.1362523264 0 1 -1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 1 2.2.0 46261.13624625 46261.1362464005 13 0 0 1 Admin Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 1 0 1 {\rtf1\ansi\deff0{\fonttbl{\f0 Arial;}}\f0\fs18 TOPSOIL AND VEGETATIVE COVER; dark brown, moist, rooted.} TOPSOIL AND VEGETATIVE COVER; dark brown, moist, rooted. Topsoil Dark brown None Loose 3 2 0 0 1 0 14 USCS 0 0 1 1 0 10053120 0 16777215 6 1 0 90 50 0 0 1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 2 1 4 {\rtf1\ansi\deff0{\fonttbl{\f0 Arial;}}\f0\fs18 COMPACTED CLAY CAP; stiff, brown-grey, moist, low permeability.} COMPACTED CLAY CAP; stiff, brown-grey, moist, low permeability. Compacted clay cap Brown-grey None Stiff 3 2 0 0 1 0 10 USCS 0 0 1 1 0 15132390 0 16777215 6 1 0 90 50 0 0 1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 3 4 15.5 {\rtf1\ansi\deff0{\fonttbl{\f0 Arial;}}\f0\fs18 MUNICIPAL SOLID WASTE; heterogeneous refuse with soil cover, plastic, paper, wood and decomposed organic material; moist; landfill-gas odour.} MUNICIPAL SOLID WASTE; heterogeneous refuse with soil cover, plastic, paper, wood and decomposed organic material; moist; landfill-gas odour. Municipal solid waste Dark brown-grey Landfill gas Variable 3 2 0 0 1 0 13 Common 0 0 1 1 0 13421772 0 16777215 6 1 0 90 50 0 0 1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 4 15.5 17 {\rtf1\ansi\deff0{\fonttbl{\f0 Arial;}}\f0\fs18 INTERMEDIATE SOIL COVER; sandy silt, compact, brown, moist.} INTERMEDIATE SOIL COVER; sandy silt, compact, brown, moist. Intermediate cover Brown Slight landfill gas Compact 3 2 0 0 1 0 7 USCS 0 0 1 1 0 16056319 0 16777215 6 1 0 90 50 0 0 1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 5 17 20 {\rtf1\ansi\deff0{\fonttbl{\f0 Arial;}}\f0\fs18 SANDY SILT TILL; dense, grey-brown, moist, with gravel.} SANDY SILT TILL; dense, grey- brown, moist, with gravel. Native sandy silt till Grey-brown None Dense 3 2 0 0 1 0 7 USCS 0 0 1 1 0 16056319 0 16777215 6 1 0 90 50 0 0 1 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 565342.6 566342.6 4809064.2 4810064.2 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 1 5.75 LFG01-06 LFG 0 0 0 0 0.6 23 5 1 0 0 16777215 0 MSW 0 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 2 11.75 LFG01-12 LFG 0 0 0 0 0.6 23 5 1 0 0 16777215 0 MSW 0 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 3 17.75 LFG01-18 LFG 0 0 0 0 0.6 23 5 1 0 0 16777215 0 ML 0 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 1 MONITORING WELL LOG: LFG-01 Multi-Level Landfill Gas Monitoring Well 3 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 2 PROJECT NO.: LFG-2026-014 6 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 3 LANDFILL / SITE: North Valley Landfill Perimeter Gas Monitoring 5 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 4 INSTALLATION DATE: 08/27/2026 14 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 5 GROUND ELEVATION: 287.4 ft 11 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 6 LOCATION: Cambridge, Ontario 12 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 7 CLIENT / OWNER: Regional Waste Management Authority 22 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 8 INSTALLATION CONTRACTOR: GeoProbe Environmental Services Ltd. 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 9 DRILLING / INSTALLATION METHOD: Hollow-stem auger; three dedicated 0.25 in gas-probe tubes 20 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 10 MONITORING DATE / ROUND: 08/28/2026 / Baseline 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 11 PROBE / SCREEN / SURFACE COMPLETION: Three stainless-steel intakes with dedicated tubing; lockable protective monument set in concrete 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 12 PURGE / STABILIZATION METHOD: Low-flow pump; minimum three internal volumes; readings stable within 0.5% for three consecutive measurements 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 13 LEAK / INTEGRITY TEST: Tubing and fittings vacuum-tested; shut-in pressure loss less than 0.02 in H2O in 2 minutes; all zones passed 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 14 FIELD INSTRUMENT / CALIBRATION: Landtec GEM5000; calibrated before use with certified CH4/CO2/O2 span gas; zero check passed 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 15 ACTION LEVELS / RESPONSE: Site-specific response plan applied; high methane or positive pressure requires confirmation and notification 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well 16 COMPLETION / FIELD NOTES: Valves capped, labelled and secured after monitoring; no surface damage or gas leakage observed 0 0 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Probe Landfill Gas Probe 1 LFG-01A / 6.0 ft zone 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Probe Landfill Gas Probe 2 LFG-01B / 12.0 ft zone 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Probe Landfill Gas Probe 3 LFG-01C / 18.0 ft zone 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Methane Methane 1 48.5 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Methane Methane 2 1.2 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Methane Methane 3 18.6 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Carbon Dioxide Carbon Dioxide 1 34.2 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Carbon Dioxide Carbon Dioxide 2 2.8 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Carbon Dioxide Carbon Dioxide 3 11.2 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Oxygen Oxygen 1 0.6 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Oxygen Oxygen 2 17.9 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Oxygen Oxygen 3 3.8 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Hydrogen Sulfide Hydrogen Sulfide 1 22 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Hydrogen Sulfide Hydrogen Sulfide 2 ND 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Hydrogen Sulfide Hydrogen Sulfide 3 4 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Pressure Gas Pressure 1 +0.38 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Pressure Gas Pressure 2 -0.02 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Pressure Gas Pressure 3 +0.12 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Temperature Gas Temperature 1 28.4 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Temperature Gas Temperature 2 32.1 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Temperature Gas Temperature 3 16.5 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Status Landfill Gas Status 1 Elevated methane - confirm next round 5.75 6.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Status Landfill Gas Status 2 High landfill gas - site response required 11.75 12.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Status Landfill Gas Status 3 Below site action levels 17.75 18.25 0 1 5 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Probe Landfill Gas Probe 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Methane Methane % 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Carbon Dioxide Carbon Dioxide % 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Oxygen Oxygen % 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Hydrogen Sulfide Hydrogen Sulfide ppm 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Pressure Gas Pressure in H2O 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Gas Temperature Gas Temperature C 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Landfill Gas Status Landfill Gas Status 155 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 4.25 50 29 0 1 0 0 0 0 0 1 Stainless-steel landfill-gas intake Stainless steel 5.75 18.25 Cement-bentonite grout with bentonite isolation seals Lockable above-grade protective monument Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 1 Seal/Packing 5.25 6.75 0 0 4.25 1 WellMaterials 0 16777177 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 2 Joint/Misc 5.75 6.25 -1 0 0.6 12 British 0 16777215 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 3 Seal/Packing 6.75 11.25 0 0 4.25 8 WellMaterials 0 12632256 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 4 Joint/Misc 0 5.75 -1 0 0 9 USCS Symbols 0 16777215 2 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 5 Seal/Packing 11.25 12.75 0 0 4.25 1 WellMaterials 0 16777177 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 6 Joint/Misc 11.75 12.25 0 0 0.6 12 British 0 16777215 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 7 Joint/Misc 0 11.75 0 0 0 9 USCS Symbols 0 16777215 2 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 8 Seal/Packing 12.75 17.25 0 0 4.25 8 WellMaterials 0 12632256 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 9 Seal/Packing 17.25 18.75 0 0 4.25 1 WellMaterials 0 16777177 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 10 Joint/Misc 17.75 18.25 1 0 0.6 12 British 0 16777215 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 11 Bottom Seal 18.75 20 0 0 4.25 10 USCSColor 0 14280447 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 12 Joint/Misc 0 17.75 1 0 0 9 USCS Symbols 0 16777215 2 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 13 Cover 0 0.5 0 0 4.25 5 WellMaterials 0 12632256 1 7 7 Environmental Examples:LFG-01 Multi-Level Landfill Gas Monitoring Well Well 14 Seal/Packing 0.5 5.25 0 0 4.25 8 WellMaterials 0 12632256 1 7 7