Advanced Synthetic Grass Geomembrane Liner For Long-Term Environmental Closure

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1 US Patent Number B2 Advanced Synthetic Grass Geomembrane Liner For Long-Term Environmental Closure

2 Bringing Sustainable Solutions to the Surface LiteEarth is an engineered, patented synthetic grass liner system used for long-term closure of landfills and coal ash sites. LiteEarth is a cost-effective, durable, high-performing and environmentally-friendly closure system for municipal solid waste, construction & demolition, hazardous waste, CCR and industrial landfills. Soil covers and some infilled systems require labor intensive installation and high annual maintenance cost, and are vulnerable to interface issues and weather-related events that may lead to failure. The advanced LiteEarth system offers efficient installation, and long-term protection against infiltration, soil erosion and wind uplift. LiteEarth is a member of American Coal Ash Association * U.S. Patent No. 9,151,009 B2

3 Proven tested technologies. DESIGN SIMPLICITY The ethylene polymer diene monomer (EPDM) geomembrane liner the barrier component of the product has been used successfully worldwide as an environmental protection liner for more than 40 years. SYNTHETIC GRASS The synthetic grass is a highly engineered product born from years of experience in its use in sports facilities and airport environments. The EPDM and turf components are factory bonded using an advanced composite adhesive. EPDM GEOMEMBRANE Trenchless earth anchors are quick and easy to install and tested for maximum wind uplift. A high performance butyl adhesive splice is used for seaming, providing greater shear strength than thermoplastic fusion welds. BUTYL ADHESIVE SPLICING Earth Anchor

4 We ve got you covered CFR Title 40 Compliant RCRA Subtitle D Compliant Easy installation and repair Low maintenance Long-term value Environmentally safe No infill design No wrinkles or waves No slope failure

5 Synthetic Grass with UV Protection Developed with premium materials and advanced UV inhibitors, to withstand extreme environmental conditions. Durable, spined monofilament grass fibers Integrated woven primary for tensile and elongation enhancement strength kly/year No installation 1 klangley = kcal/cm² = MI/m² 1 klangley/year = 1.33 W/m² Advanced UV stabilizers to retain color and tensile properties Improved natural aesthetics year round with no natural grass maintenance UV EXPOSURE IN COUNTRIES WITH ACT GLOBAL INSTALLATIONS Quality Manufacturing The synthetic turf component of LiteEarth is manufactured by Act Global, one of the largest turf companies in the world. ISO 9001 Quality Certified Manufacturing Global leader - manufacturing on 3 continents, sales in more than 70 countries More than 300 million square feet of synthetic turf produced Highest Manufacturing Quality Assurance (MQA) processes and procedures

6 Wrinkle Resistant Closure Thermal stable liner protects against surface stress, cracking, and water or gas leakage

7 EPDM Geomembrane Provides ideal balance of flexibility and protection. 40+ years of real time application history including MSW landfills, ash liners, digester caps and rooftops Temperature performance range of -49 F to 240 F Excellent uni and multi axial elongation performance Not affected by leachate, confirmed by EPA 9090 testing Impermeable and highly resistant to weathering Excellent puncture resistance EPDM LONG-TERM PERFORMANCE Predicted Geomembrane life times based on a 50% reduction of strength and/or elongation Note: Tested as an Exposed Geomembrane* Type Specification 1 & Exposure Strength Ret. (%) (lt. hrs.) Elongation Ret (%) & Exposure (lt. hrs.) Comment Lifetime 2 HDPE mm (0.060 ) GRI-GM13 51,000 51,000 ongoing 42+years LLDPE mm (0.040 ) GRI-GM17 48,000 43,500 half-life reached 36 years fpp mm (0.045 ) GRI-GM18 40,300 40,300 ongoing 33+ years EPDM mm (0.040 ) GRI-GM21 43,200 43,200 ongoing 36+ years 1 See the GSI Website at for the most recent version. 2 Based on the correlation factor of 1200 lt. hrs.=1.0 years in a hot climate such as West Texas and Southern California Source: * LiteEarth s 45 mil EPDM is covered by compound adhesive, a UV stabilized primary and high-grade monofilament turf that significantly reduces the amount of UV exposure to the EPDM, thus extending lifetime performance well beyond exposed covers. Advanced Composite Adhesive Factory bonding permanently adheres synthetic turf to EPDM through heated and high compression rollers. Proven synthetic elastomer technology for bonding EPDM and like substrates Comparative testing to 60 years Flash point 400 F

8 Easy, efficient installation Earth Anchors LiteEarth is designed for quick and easy install using trenchless earth anchors. Adjustable, site specific depth and lock back options Tested to resist Level IV hurricane wind speeds Maximum certified load lock EPDM has high tensile strength for wind uplift protection and steep side slopes Pull-through tests resulted in an average resistance of 1,300 pounds for 3 anchor plates and 2,429 pounds for 6 plates.

9 Seam & Go Technology Expertly designed for simplicity and durability. No welding, no stitching, and no sand infill Features rapid flash-off and curing cycle Strong peel, shear and temperature performance Monolithic liner replaces multiple layers that minimizes on-site construction issues 3 EASY STEPS 1. Position turf panels. Roll back top of overlap panel to prepare the seam. 2. Apply seaming primer and tape. 3. Remove release paper and secure turf panels together. SEAMING PERFORMANCE Physical Characteristic Standard Units EPDM 1 HDPE 2 LLDPE 3 Seaming Tape Thermal Weld Thermal weld Seaming inspection method 30 Air Lance ASTM 5820 Pressure Test Peel Strength ASTM D 7272 ppi 28 Shear Strength ASTM D 7272 ppi 144 Peel Strength ASTM D 6392 ppi Shear Strength ASTM D 6392 ppi mil non-reinforced EPDM seamed to polypropylene primary, as tested by TRI 2 50 mil textured HDPE, GM mil textured LLDPE, GM19

10 Superior Environmental Protection LiteEarth is fully tested to meet regulations for long-term closure and provide protection to human health and the environment. AIR QUALITY AND WATER MANAGEMENT Prevents infiltration and provides odor and gas containment Compatible with gas collection systems Generates predictable and clean storm water runoff FLUME TESTING WITH NO INFILL Large-scale flume testing shows LiteEarth behaving as well-established grass against both surface water runoff and concentrated flow. No erosion Clean water runoff No fiber loss occurred Flume Testing LOWER CARBON FOOTPRINT Conserves natural resources No seeding, fertilizers, pesticides, or mower exhaust as required for natural grass LiteEarth addresses issues of soil erosion, lack of vegetation growth, slope failure, hippos and gas releasese.

11 A Spectrum Of Benefits. GUARANTEE 30 year material performance warranty ECONOMICAL Saves thousands of maintenance dollars per acre each year while providing airspace benefits at full elevation and side slopes SUPERIOR PERFORMANCE Passes a spectrum of rigorous industry tests to ensure superior protection EROSION CONTROL No sand infill design prevents problems with uneven sand distribution due to wind or water erosion LOW MAINTENANCE Easy to visually inspect surface and inexpensively repair; lower maintenance costs EFFICIENT INSTALL Single liner eliminates layers of soil and sand, and reduces labor and costs ENVIRONMENT Environmentally friendly, with 80% less carbon footprint than traditional caps AESTHETICS High quality synthetic grass provides natural looking vegetation year round LONGEVITY Highly durable system with expected life cycle beyond 75 years REGULATORY Exceeds infiltration and erosion requirements as specified by US RCRA Subtitle D Regulation; CFR Title 40 Compliant TEST PERFORMANCE COMPARISON Physical Characteristic Standard Units LiteEarth 1 EPDM 2 HDPE 3 LLDPE 4 Thickness (min. ave./ lowest indiv.) ASTM D 5199 mil 422 / / / / 45 Puncture Resistance ASTM D 4833 lbs Linear Dimensional Change (max) ASTM D 1204 % < +/-1.0 +/-1.0 +/-2.0 +/-2.0 Multi-Axial Elongation (min) ASTM D 5617 % 19/ LiteEarth consists of a 45 mil non-reinforced EPDM liner factory bonded to a 4.4 oz/sy, 1/2 tufting gauge single layer 18 pic woven polypropylene primary 2 45 mil, non-reinforced EPDM per GSI GM mil textured HDPE, per GSI GM mil textured LLDPE, per GSI GM17 5 Testing conducted by TRI-Primary rupture/ EPDM rupture

12 Corporate Headquarters Gundle Road Houston, Texas GSEworld.com o For more information on this product and others, please visit us at GSEworld.com, call or contact your local sales office.