2.1. The following lines (Line 1) will be ordered as noted below at the beginning of season: 2.1.1. Line 1 – Quantity 2,700 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. 2.2. The following lines (Lines 2 through Line 7) will be ordered as the chemicals are needed: 2.2.1. Line 2 – Quantity 15 gallons - Sodium Hydroxide, liquid 2.2.2. Line 3 - Quantity 400 pounds – Calcium Hypochlorite, dry powder chemical, sealed pails/containers 2.2.3. Line 4 - Quantity 50 pounds – Sodium Thiosulfate – comes in 50 lb. bags/pails, Dechlor 2.2.4. Line 5 – Quantity 400 pounds – Cyanuric Acid, dry powder chemical, sealed pails/containers 2.2.5. Line 6 – Quantity 5 gallons – Muriatic Acid, liquid, sealed pails/containers 2.2.6. Line 7 – Quantity 1,400 pounds – Sodium Bicarbonate, 50 lb. bags
