Cleaning agents containing phosphorus. Defined, §12-5-27.1. PH WATER QUALITY STANDARDS FOR LAKES, §12-5-23.1. PICNICKING. Authority to prohibit, §12-6-89. PIERS. Permit requirements, §12-5-239. PILINGS. Placement on state owned land, §§12-5-287, 12-5-295. PETROLEUM. Oil and gas deep drilling. General provisions, §§12-4-40 to 12-4-54. Oil or hazardous material spills or releases, §§12-14-1 to 12-14-4. Oil spills. Cost of oil spill response, §§12-5-500, 12-5-501. Oil well reward, §§12-4-20 to 12-4-22.