Geotechnical Engineering Report Addendum No 1 Results of Testing 01 29 2025 submission

1.12 0.38 0.39 0.83 60 00 00 3 0.8 60:00.00 60.00 0.0138 0.83 0.28 0.50 60 00 00 4 0.5 60:00.00 60.00 0.0083 0.50 0.17

Photograph 1 (Top left): TP-01: Sprinkler system, wires, roots between 0.5 and 1.5 feet below ground surface. Photograph 2 (Top right): TP-01: Metal nails encountered between 0.5 and 1.5 feet below ground surface. Photograph 3 (Bottom left): TP-02: Sprinkler system and brick encountered between 0.25 and 3.25 feet below ground surface . Mavis #2296 – Additional Infiltration Testing SELECT PROJECT PHOTOGRAPHS 460 Prospect Avenue West Orange, NJ ECS Project 44:2100-A January 23, 2025 Mavis Tire Supply, LLC

Photograph 4 (Top left): TP-03: Sprinkler system and wires encountered between 0.5 and 3.0 feet below ground surface. Photograph 5 (Top right): TP-04:Subgrade and fill materials encountered between 0.0 and 1.2 feet below ground surface. Photograph 6 (Bottom left): TP-04: Glass bottle recovered from approximately 3.0 feet below ground surface. Mavis #2296 – Additional Infiltration Testing SELECT PROJECT PHOTOGRAPHS 460 Prospect Avenue West Orange, NJ ECS Project 44:2100-A January 23, 2025 Mavis Tire Supply, LLC

Photograph 7 (Top left): TP-05: 10 inches of asphalt underlain by gravel. Wires, large gravel, cobble, and brick encountered between 1.0 and 3.0 feet below ground surface. Photograph 8 (Top right): TP-05: Reddish brown Silt and Sand Loam encountered between 3.0 and 9.0 feet-below ground surface. Photograph 9 (Bottom left): TP-05: Fill encountered. Mavis #2296 – Additional Infiltration Testing SELECT PROJECT PHOTOGRAPHS 460 Prospect Avenue West Orange, NJ ECS Project 44:2100-A January 23, 2025 Mavis Tire Supply, LLC

Attachment 3 Laboratory Testing

Laboratory Testing Summary Atterberg Limits Moisture - Density CBR (%) **Percent Sample ^MC Soil #Organic Sample Location Depth (ft) Passing No. Number (%) Type <Maximum <Optimum Content (%) LL PL PI 200 Sieve 0.1 in. 0.2 in. Density (pcf) Moisture (%) TP-01 S-1 4 16.5 37.6 TP-02 S-1 4 11.7 38.1 Notes: See test reports for test method, ^ASTM D2216-19, *ASTM D2488, **ASTM D1140-17, #ASTM D2974-20e1 < See test report for D4718 corrected values Definitions: MC: Moisture Content, Soil Type: USCS (Unified Soil Classification System), LL: Liquid Limit, PL: Plastic Limit, PI: Plasticity Index, CBR: California Bearing Ratio, OC: Organic Content Project: Mavis #2296 - Additional Infiltration Testing Project No.: 44:2100-A Client: Mavis Tire Supply, LLC Date Reported: 1/29/2025 Office / Lab Address Office Number / Fax

/ Lab Address Office Number / Fax 2 Executive Drive (609)832-3910 ECS Mid-Atlantic LLC - Philadelphia Suite 11 Moorestown, NJ 08057 (484)840-5586 Tested by Checked by Approved by Date Received J Gross M Trudnak J Yates 1/23/2025

PARTICLE SIZE DISTRIBUTION GRAVEL SAND SILT Clay Cobbles Coarse Medium Fine V. Co. Coarse Medium Fine V. Fine Coarse Fine Coarse 3" 2" 1.5" 1" 3/4" 1/2" 3/8" #4 #10 #20 #40 #60 #100 #140 #200 #325 100 90 80 Percentage Passing % 70 60 50 æmö çç÷÷ èm1ø 40 30 20 10 0 200 20 2 0.2 0.02 0.002 0.0002 Particle Size mm TEST RESULTS (ASTM D6913M-17-METHOD B & ASTM D422-63(2007)) Sieving Hydrometer Sedimentation Dry Mass of sample, g 553.0 Particle Particle Calc. Wt. Wgt. Retained, g % Passing % Passing Size mm Size mm Retained, g 75 0.00 100.0 0.0329 17.69 28.3

Size mm Retained, g 75 0.00 100.0 0.0329 17.69 28.3 Uncorrected USDA Soil Percentages: 37.5 0.00 100.0 0.0212 25.44 23.7 % GRAVEL 12.20 19 0.00 100.0 0.0124 25.44 19.1 % SAND 54.84 9.5 20.32 96.3 0.0088 13.82 16.6 % Very Coarse Sand 3.40 4.75 38.96 93.0 0.0063 15.48 13.8 % Coarse Sand 4.30 2 67.45 87.8 0.0031 20.46 10.1 % Medium Sand 10.90 1 2.04 84.4 0.0013 17.14 7.0 % Fine Sand 23.91 0.85 2.65 83.4 % Very Fine Sand 12.33 0.5 4.63 80.1 % SILT 24.39 0.425 5.61 78.4 % Coarse Silt 9.76 0.25 11.13 69.2 Specific Gravity (Historical) % Fine Silt 14.60 0.15 19.47 55.3

ty (Historical) % Fine Silt 14.60 0.15 19.47 55.3 2.65 % CLAY 8.57 0.105 24.67 46.6 % Coarse Clay 0.075 30.08 37.6 % Fine Clay 0.044 33.73 31.5 Project: Mavis #2296 - Additional Infiltration Testing Project No.: 44:2100-A Client: Mavis Tire Supply, LLC Depth (ft): 4 Sample Description: Reddish Brown Sandy Loam Sample No.: S-1 Sample Source: TP-01 Date Reported: 1/29/2025 Office / Lab Address Office Number / Fax 2 Executive Drive (609)832-3910 ECS Mid-Atlantic LLC - Philadelphia Suite 11 Moorestown, NJ 08057 (484)840-5586 Tested by Checked by Approved by Date Received Remarks J Gross