Rhode Island General Laws Title 46. Waters and Navigation § 46-29-3. Certain cleaning agents containing phosphorus prohibited

(1) In agricultural or dairy production;

(2) To clean commercial food or beverage processing equipment or containers;

(3) As industrial or institutional sanitizers, metal brighteners, or acid cleaners, including those containing phosphoric acid or trisodium phosphate;

(4) In industrial processes for metal, fabric, or fiber cleaning and conditions;

(5) In hospitals, clinics, nursing homes, other health care facilities, or veterinary hospitals or clinics;

(6) By a commercial laundry or textile rental service company or any other commercial entity:

(7) In the manufacture of health care or veterinary supplies;

(8) In any medical, biological, chemical, engineering, or other such laboratory, including those associated with any academic or research facility;

(9) As water softeners, antiscale agents, or corrosion inhibitors, where that use is in a closed system such as a boiler, air conditioner, cooling tower, or hot water heating system;

(10) To clean hard surfaces including windows, sinks, counters, floors, ovens, food preparation surfaces, and plumbing fixtures.

(1) Contain phosphorus in an amount not exceeding five-tenths of one percent (0.5%) by weight;

(2) Contain phosphorus in an amount not exceeding eight and seven-tenths percent (8.7%) by weight and which are intended for use in a commercial or household dishwashing machine;

(3) Are manufactured, stored, sold, or distributed for use solely outside the state.