Clean Harbors WMU 35 and Expansion Landfills: Hazardous Waste 2009 Project 2013 Project Client: Clean Harbors Environmental Services City: Buttonwillow County: Kern County State: CA Project Type: Landfills: Hazardous Waste Project Size: 2009: 970,0002013: 1,080,141 Material Types: 2009 276,500 SF GCL - Geosynthetic Clay Liner 918,000 SF Geocomposite 970,000 SF 80 Mil HDPE (High Denensity Polyethylene) Geomembrane 2013 354,777 SF GCL - Geosynthetic Clay Liner 1,080,141 SF HDPE - High Denensity Polyethylene 16,720 SF Geotextile 1,033,624 SF Geocomposite