(3)__Concentrations of total residual chlorine do not exceed 10 milligrams per liter; and

(4)__Prior to any such discharge occurring, the owner or operator of a commercial passenger vessel can demonstrate test results from at least 5 samples taken from the vessel representative of the effluent to be discharged, on different days over a 30-day period, conducted in accordance with the guidelines promulgated in 40 Code of Federal Regulations Part 136, which confirm that the water quality of the effluents proposed for discharge is in compliance with subparagraphs (1), (2) and (3).__The owner or operator of a commercial passenger vessel shall demonstrate continued compliance with this paragraph through periodic sampling.__The records of such sampling and test results must be made available for inspection by the department.

7.__Sewage discharge from small vessels.__Except as provided in subsection 8, a person may not discharge sewage from a small commercial passenger vessel unless the sewage has been processed through a properly operated and properly maintained marine sanitation device.

8.__Safety purpose.__The provisions of subsections 1 to 7 do not apply to discharges made for the purpose of securing the safety of the commercial passenger vessel or saving life at sea if all reasonable precautions have been taken for the purpose of preventing or minimizing the discharge.

§336.__Information-gathering requirements

1.__Dates; times; locations; volumes or flow rates.__Except as provided under section 334, subsections 3 and 4, the owner or operator of a commercial passenger vessel shall maintain records and, upon request of the department, provide to the department a report, with copies of the records related to the period of operation in the coastal waters of the State, detailing the dates, times and locations and the volumes or flow-rates of any discharge of sewage, gray water or other wastewater into the coastal waters of the State.

2.__Routine samples.__Except as provided under section 334, subsections 3 and 4, while a commercial passenger vessel is present in the coastal waters of the State, the owner or operator of the vessel shall collect routine samples of the vessel's treated sewage, gray water and other wastewater being discharged