The costs to be recovered for an industrial user anywhere within the service area of the City, shall be determined as follows:
(A) For normal strength wastewater (ie: BOD-5 equal to or less than 300 mg/l) and/or suspended solids equal to or less than 250 mg/l an amount for each l,000 gallons as determined by the City Council.
(B) For extra strength wastewater (ie: BOD-5 greater than 300 mg/l and/or suspended solids greater than 250 mg/l) a surcharge, in addition to (A) above, shall be charged for each pound of BOD-5 introduced into the sanitary sewer system in excess of the amount contained at BOD-5 = 300 mg/l at a rate as determined by the City Council and, for each pound of suspended solids introduced into the sanitary sewer system in excess of the amount contained at SS = 250 mg/l at a rate as determined by the City Council.
(Prior Code, Art. 16, § 16.7(u))