High Density Polyethylene Double Wall Chemical Storage Tank 3.1.1.1 Capacity of tank shall be a minimum of 1100 gallons and a maximum of 1295 gallons. 3.1.1.2 Shall be molded in one-piece seamless construction according to ASTM D 1998 (laminated or fabricated tanks will not be accepted) and will be capable of storing the chemical application (Sodium Hydroxide (NaOH) at 50% concentration or less, Sodium Permanganate, less than 1%,) at atmospheric pressure. 3.1.1.3 Tank shall be able to be placed outside. 3.1.1.4 Tank shall be sealed so that rainwater will not enter the containment tank. 3.1.1.5 Tank shall be made of High-Density Polyethylene. 3.1.1.6 Tank material shall contain an Ultraviolet 15 stabilizer. 3.1.1.7 Tank shall have a minimum of four (4) steel lifting lugs.
