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TESTING, RESEARCH, CD®G AND FIELD SERVICES TABLE 4. MATERIAL PROPERTIES CLIENT: Advanced Earth Sciences PROJECT: Foothills Area 2A Date Received: 5/26/2015 Date Reported: 6/1/2015 Client Sample ID: R#108181792 L#15131291 Material Description: 60mil HDPE Textured Geomembrane SPECIMENS / QC'd By: 0 (a c ' _'1 TRI Job No.: G150381 TRI Control No.: 104097 METHOD DESCRIPTION 180 '' ASTM D5994 Thickness (mils) 187; Apparatus: Dead-weight dial micrometer with gauge points tapered at an angle of 60' +/- 2° to the horizontal with the tip TD 172 179 169 rounded to a radius of 0.8+/-0.1 mm(0.031+/-0.004 in), with a specified force of 0.56+/-0.05 N (2+/-0.2 oz) 176 s Loading Time: 5 sec Specimen Size: 4"x 4" 5 64 62 61 61 61 '' 61 61 61 61 62 61 ASTM D7466 Asperity Height of Textured Geomembrane (mils) 2 to'..3 Apparatus: Has a dial indicator that travels at least 2.5mm (0.1 in), and a depth gauge with contact point that travels up and down 183 with in the setting block with a base dimension of 50 mm x 20 mm (2.0 in x 0.75 in) and a height of 15 mm (0.5 in). The contact point 183'r is 1.3 mm (0.051 in) in diameter with the tip tapered to a point with an extension of 17 mm (0.66 in). TD 152 182 i 184 Sampling: Ten (10) 3" diameter specimens were cut across the width of the sample in a randomly distributed manner 175' The highest reading from 3 readings were taken per specimen. 8 ' Side 28 28 30 36 35 '' 30 30 28 30 31 '' 30 Side 8 34 34 36 35 34 31< 31 29 30 31 32 ASTM D1505 Density (grams/ cm.') MD 18 20 20 0.9429 0.9429 0.9429: 0.9429 ASTM D6693 Tensile Properties: 1 Type IV Test Specimens: Type IV, Width of narrow section:0.25in, Length of narrow section:1.30, Width Overall:0.750, 18 Length Overall:4.50 Conditioning: Conducted test in standard laboratory atmosphere of 23+/-2 u C (73.4+/-3.6 a F), and 17 = 50+/-5% relative humidity. Rate of Separation: 2"/min Elongation at Break (percent, %) Tensile Strength at Yield (lbs/ in. -width) Gauge Length = 2.0 in. 1 MID 180 198 191 180 '' 188 187; 8 TD 172 179 169 181 176 s 175'1 5 Tensile Strength at Break (Ibs/ in.- width) 1 cat 3 S 2 to'..3 MD 186 188 180 183 175' 183'r 5 TD 152 182 i 184 176 '' 175' 176' 8 ' Elongation at Yield (percent, %) MD 18 20 20 19 19 '' 19 1 TD 16 18 18 18 17 >. 17 = 1 ". Elongation at Break (percent, %) Gauge Length = 2.0 in. MD 494 406 388 401 330 404 59 TD 326 468 501 460 406:' 432' 68' ASTM D5596 Carbon Black Dispersion (category rating per reference chart PCN: 12-455960-38) 1 1 1 1 1 1 1 1 1 1 10 out of 10 in C ASTM D4218 Carbon Content Apparatus: Muffle Furnace 1 2.36 2.40 2.38 0.03 169 s 181 175' 188 90 min. 162' 1" 20 12 min. 18 1' 494 100 min. i'' 501 9 in Cat'1 or 2 gory 1 1 cat 3 S 2 to'..3 (End of Table 4) (Sheet 1 of 1) Ry accepting the data and results presented on this report, the Client agrees to limit the liability of TRI Environmental, Inc. from Client and all other parties for claims on issues, due to the use of this data, to the cost for the respective tests presented in this report; and the Client agrees to indemnify and hold harmless TRI Environmental, Inc. from and against all liabilities in excess of the aforementioned limit. LEGENDS: MD - MACHINE DIRECTION TD- TRANSVERSE DIRECTION 1160 North Gilbert Street, Anaheim, CA 92801, www.precisionlabs.net Precision Geosynthetic Laboratories International dba TRI Environmental, Inc.