STOCKPILE SITE #1: LIBBY SHOP (PM 10) Provide all labor, materials, equipment and incidentals necessary to produce 4,500 tons or 3,000 cubic yards of sanding material. This stockpile material will be applied in PM 10 Nonattainment Areas. Due to the environmental impact, the stockpile material is required to meet the gradations in the table below. Stockpile material to facilitate water runoff. TABLE OF GRADATION – 5/16 INCH PM 10 SANDING MATERIAL STOCKPILE SITE #2: NOXON YARD Provide all labor, materials, equipment and incidentals necessary to produce 2,250 tons or 1,500 cubic yards of sanding material. Stockpile material to facilitate water runoff. STOCKPILE SITE #3: CRYSTAL CREEK YARD Provide all labor, materials, equipment and incidentals necessary to produce 1,500 tons or 1,000 cubic yards of sanding material. Stockpile material to facilitate water runoff.