Specifications include, but are not limited to:. The item to be purchased is liquid blended orthophosphate to be used as a corrosion inhibitor as required by the City of Elyria at the Elyria Water Works, 3628 West Erie Avenue, Lorain, Ohio. The item to be purchased is commercial grade liquid chlorine for use as required by the City of Elyria at the Elyria Water Works, 3628 West Erie Avenue, Lorain, Ohio. This standard covers potassium permanganate for use at the Elyria Water Works at 3628 West Erie Avenue, Lorain, Ohio.. This standard covers aluminum chlorhydrate for use at the Elyria Water Works at 3628 West Erie Avenue, Lorain, Ohio. The item to be purchased is sodium fluorosilicate (formerly sodium silicofluoride), for use as required by the City of Elyria at the Elyria Water Works, 3628 West Erie Avenue, Lorain, Ohio.