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J&L TESTING COMPANY, INC. <br /> GEOTECHNICAL AND GEOSYNTHETICS MATERIALS TESTING AND RESEARCH <br /> July 24, 1995 <br /> 95S 1875-01 <br /> P.O.#103105 <br /> Gundle Lining Systems, Inc. <br /> 19103 Gundle Rd. <br /> Houston, Texas 77073 ,:24-- <br /> Attn: Mr. Chris Long �0//&/—c; <br /> RE: SOIL- GEOMEMBRA.NE INTERFACE SHEAR TEST B-1-5 <br /> PER ASTM D-5321 <br /> Dear Ms. Long: <br /> J&L Testing Company, Inc. (JLT) is pleased to submt the result of the above referenced <br /> testing. The test was performed using the soil sample supplied by GeoPacific ming and the 60 <br /> mil HDPE (Textured on one side) supplied by Gundle Lining Systems, Inc. v� <br /> The interface between the soil and the textured side of the membrance was tested. Normal <br /> stresses of 20, 40 and 60 psi and a shear rate of 0.04 in/min were used for the test.Y The soil was <br /> compacted to required density(90% of maximum Standard Proctor density) at a water content of <br /> 19%. <br /> We sincerely appreciate the opportunity to provide you with these services and look <br /> forward to working with you again. Should you have any questions, comments or require <br /> additional information, please do not hesitate to call. Thank you. <br /> Sincerely, <br /> ILL TES G C.OA 1, Il\C. <br /> i Shettima, Ph.D., P.E. <br /> Director <br /> CC: Cynthia Weeks - Geopacific Lining, Inc <br /> MS/rag <br /> \wpwin60VcUrr/95379 <br /> 938 South Central Avenue Canonsburg, Pennsylvania Tel (4121 746-4441 Fax' (4121 74S-4261 <br />