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Supporting Documentation · Apr 15, 2026

Stormwater Management Report 03302026

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Particle Size Distribution Report As per ASTM D 6913 C C C ry C C C O O O O O ~ O O ON c~ si ~p t0 M N ~ • n ~ M 4t ~ 4t 4t 4e # # # 100 I I I I I I I I I I I I so I I I I I I I I I I I l l I I I I I I I I I I I I I I I I I I I I I I I I I I ao I I I I I I I ~ I I I II I I I I I I I I I I I II I I I I I I I I I I I II 70 ~ ► ~ I ~ ~ 7 ~ ~ ~ ~ ~~ I I I I I I I I I I I II s0 I I I I I I I I I I I II z I I I I I I I I I I II ~- I I I I ~ I I I I I I II ~ 50 ► ~ I I I I I I I I I I U~ ~ 40 I I I I I I I I I I I I

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I I I I I I I I I I I I I I I I I I I I I I I I I ► I I I I I I I I I I I I I I I I I I I I I I I 3o I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 20 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 10 I I ► I I I . I f I 1 1 1 I I I I I I I I I I I I I 0

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I 1 1 1 I I I I I I I I I I I I I 0 • •• • • • • 100 10 01 0.01 0.001 GRAIN SIZE - mm. %Gravel %Sand %Fines % +3" Coarse Fine Coarse Medium Fine Silt Clay 0.0 46.1 51.0 0.6 0.0 0.4 1.9 SIEVE PERCENT SPEC:' PASS? Material Description SIZE FINER PERCENT (X=NO) Grey in color. poorly graded gravel 1 100.0 3/4 53.9 1/2 13.3 3/8 8.4 Atterberg Limits PL= NP LL= NV PI= NP #4 2.9 #8 2.3 Coefficients #10 2.3 D90= 23.9319 D85= 23.2246 D60= 19.8550 #16 2.3 D50= 18.5338 D30= 15.7605 D15= 13.1263 #30 2.3 D10= 11.4351 Cu= 1.74 C~= 1.09 #50 2.3

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D10= 11.4351 Cu= 1.74 C~= 1.09 #50 2.3 Classification #100 1.9 USCS= GP AASHTO= A-1-a #200 1.9 Remarks Sample was collected on 08/21/24 and tested on 08/26/24. In-Situ %MC=5.5 F.M.7.24 * (no specification provided) Location: B-3 Sample Number: S-3 Depth: 6'-8' Date: 08/26/2024 ANS CONSULTANTS INC. client: Gomes Management Project: 625 Northfield Avenue, West Orange, NJ Block 159.04, Lot # 1.01, 1.02 & 1.03 South Plainfield, New Jersey Project No: ANV-6549 Figure 3 F 1

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