11-4-1630 Limitations on phosphorus content.
   (a)   It shall be unlawful for any person, firm or corporation to sell, offer or expose for sale, give or furnish any synthetic detergent or detergent containing more than 8.7 percent of phosphorus by weight, expressed as elemental phosphorus, within the City of Chicago from and after February 1, 1971. It shall also be unlawful for any person, firm or corporation to sell, offer or expose for sale, give or furnish any synthetic detergent or detergent which contains more than seven grams of phosphorus by weight expressed as elemental phosphorus within the City of Chicago from and after February 1, 1971. Notwithstanding the foregoing provisions of this Section 11-4-1630(a), synthetic detergents or detergents manufactured for use in machine dishwashers, dairy equipment, beverage equipment, food processing equipment and industrial cleaning equipment shall not be subject to the limitations herein set forth but are hereby made expressly to the provisions of Section 11-4-1630(b).
   (b)   It shall be unlawful for any person, firm or corporation to sell, offer or expose for sale, give or furnish any synthetic detergent or detergent containing any phosphorus, expressed as elemental phosphorus, including synthetic detergents or detergents manufactured for machine dishwashers, dairy equipment, beverage equipment, food processing equipment and industrial cleaning equipment, within the City of Chicago from and after June 30, 1972.
   (c)   The concentration of phosphorus by weight, expressed as elemental phosphorus in any synthetic detergent or detergent shall be determined by the current applicable method prescribed by the American Society for Testing and Materials (ASTM).
(Prior code § 17-7.3)