Specifications include, but are not limited to: The following lines (Line 1 & Line 2) will be ordered as noted below at the beginning of season: 2.1.1. Line 1 – Quantity 3,150 pounds – Gas Chlorine – Delivered in 150 lb. cylinders, vendor to drop off six tanks at beginning of season after the DNR calls in the order. DNR will call when cylinders are empty and need replacement. Vendor will remove the empty cylinders upon delivery of the new cylinders each time. At end of season, any used and unused cylinders will be picked up and the DNR will be credited for return of unused cylinders only. The DNR anticipates end of season pickup to be in mid-September. 2.1.2. Line 2 – Quantity 15 gallons – Sodium Hydroxide, liquid, vendor will bring entire supply at the beginning of the season and remove the unused tanks and the used tanks at the end of the season. The DNR anticipates end of season pickup to be in mid-September. 2.2. The following lines (Lines 3 through Line 7) will be ordered as the chemicals are needed: 2.2.1. Line 3 - Quantity 600 pounds – Calcium Hypochlorite, dry powder chemical, sealed pails/containers 2.2.2. Line 4 - Quantity 50 pounds – Sodium Thiosulfate – comes in 50 lb. bags/pails, Dechlor 2.2.3. Line 5 – Quantity 500 pounds – Cyanuric Acid, dry powder chemical, sealed pails/containers 2.2.4. Line 6 – Quantity 5 gallons – Muriatic Acid, liquid, sealed pails/containers 2.2.5. Line 7 – Quantity 1,000 pounds – Sodium Bicarbonate, 50 lb. bags