Representative List of SCS Engineers Closure Projects Approx. Size Location and Facility Name State (acres) City of Oracle Page-Trowbridge Ranch Landfill Closure AZ 4 City of Tucson Los Reales Landfill West Side Closure AZ 30 Navajo County, Lone Pine Landfill AZ 60 Pinal County, Page-Trowbridge Ranch Landfill AZ 3.2 City of Los Angeles Bishops Canyon Landfill CA 45 Salinas Valley Solid Waste Authority Lewis Road Landfill CA 15 Butte County, Neal Road Landfill CA 33 Norcal, City of Auburn Landfill CA 20 Stanislaus County, Fink Road Landfill CA 18 City of Riverside, Tequesquite Landfill CA 40 Republic Services, Inc., Potrero Hills Landfill CA 150 Republic Services, Inc., West Contra Costa CA 60 DeSoto County Landfill, Zone 1 FL 3 Escambia County Beulah Road Landfill FL 100 Hillsborough County Pleasant Grove Class I Landfill FL 11 Lake County Lady Lake Landfill FL 32 Polk County North Central Class III Landfill FL 11 Volusia County Plymouth Ave. Class I Landfill FL 41 Bayside Landfill, Miami, Closure FL 30 Glades County Landfill, Moore Haven, Closure FL 7 Gulf Coast Landfill, Gulf Coast, Phase III Closure FL 15 Immokalee Landfill, Immokalee, Closure FL 24 SCMM, Hillsboro Co., Phase 1 Closure FL 23 Medley Landfill, Phases 1A, 1B, 2, 3, 4 and Temp Closures FL 66 Monarch Hill Landfill, Phases 1-6 Closures FL 83 Naples Landfill, Naples, Phase 2 Closure FL 11 Okeechobee Landfill, Phases 1-5 and Temp Closures FL 98 Royal Oaks Ranch, Titusville, Closure FL 30 Wheelabrator Ash Monofill, Davie, Temporary Closure FL 7.6 Swift Creek Landfill GA 31 Southern Idaho Regional Solid Waste District Milner Butte Landfill – Side Slope ID 8.5 Closure Harford County, Spencer’s Landfill MD 21 Howard County, Carrs Mill Landfill MD 10 Howard County, New Cut Landfill MD 40 Howard County, Alpha Ridge Landfill MD 70 Montgomery County, Oaks Landfill MD 130 Prince Georges County, Cross Trails Rubble Landfill MD 85 Frederick County, Reichs Ford Road Landfill MD 14 Regional Waste System Balefills, Portland ME 40 City of Las Vegas, Republic Services’ Sunrise Mountain Landfill NV 800

Representative List of SCS Engineers Landfill Closure Projects continued. Approx. Size Location and Facility Name State (acres) City of NY 150 City of New York Fountain Avenue Landfill NY 280 City of New York , Sections 3/4 NY 100 City of New York Fresh Kills Landfill, Sections 2/8 NY 100 City of New York Fresh Kills Landfill, Sections 1/9 NY 315 City of New York Pennsylvania Avenue NY 90 Town of Riverhead NY 30 Sullivan County NY 28 City of Oxford Sanitary Landfill OH 25 Department of Energy (DOE) facilities, X-749 and X-749A, Portsmouth Gas OH 12 Diffusion Plant, Piketon, Ohio Berkeley County Landfill SC 10 Lee County Landfill SC 35 City of Waco 1419 Landfill TX 3.5 City of Nacogdoches Landfill, Block M Closure TX 19 Seabreeze Environmental Landfill, Sectors 1 and 2 TX 120 Austin Community Landfill, East and West Hills TX 26 Williamson County Landfill, Phase 1, North and West Final Cover TX 6 Accomack County, Northern & Southern VA 40 Bedford County Landfill VA Campbell County Landfill VA Fluvanna County Landfill VA Frederick County Landfill VA 18 King George County Landfill VA Chesterfield Co., Shoosmith Bros Landfill VA Page County, Battle Creek Landfill VA 5 City of Virginia Beach, Virginia Beach Landfill VA Prince William County, Prince William Landfill VA 28 Alexandria, Hilltop Landfill VA 36 Wisconsin Power and Light, Rock River CCR Landfill/Ponds WI 15 Comox Valley Regional District BC 1.5 Campbell River Landfill - Ph 1 Closure (Canada) City of Vancouver, BC – Ph 2 Closure BC 22 Vancouver Landfill, Delta, BC, Canada (Canada) Tel Aviv, Hiriya Landfill Israel 100 Rio de Janeiro, Novo Gramacho, LF Brazil 400