Section 9
SEC. 9. Prohibitions,&mdashNo person shall throw, run, drain or otherwise dispose into any of the water and/or atmospheric air of the Philippines, or cause, permit, suffer to be thrown, run, drain, allow to see or otherwise dispose into such waters or atmospheric air, any organic or inorganic matter or any substance in gaseous or liquid form that shall cause pollution of such waters or atmospheric air. No person shall perform any of the following activities without first securing a permit from the city or district engineer for the discharge of all industrial wastes and other wastes which are or may be discharged into the waters or atmospheric air of the Philippines, which could cause pollution thereof: (1) the construction, installation, modification or operation of any sewage works or any extension or addition thereto; (2) the increase in volume or strength of any wastes in excess of the permissive discharge specified udder any existing permit; (3) the construction, installation, or operation of any industrial or commercial establishments or any extension or modification thereof or addition thereto, the operation of which would cause an increase in the discharge of wastes directly into the waters or atmospheric air of the Philippines or would otherwise alter the physical, chemical, or biological properties of any waters or atmospheric air of the Philippines in any manner not already lawfully authorized; (4) the construction or use of any new outlet for the discharge of any waste, gaseous or liquid, directly into the waters or atmospheric air of the Philippines.