Modifying certain rules providing for water quality standards relating to the discharge of sewage and industrial or other wastes; specifying the standard for ammonia; modifying the arithmetic mean; shortening the time period for the requirement to disinfect wastewater effluents to reduce the levels of fecal coliform organisms; requiring the conversion of total metal standards to dissolved metal standards, specifying the conversion factors; authorizing the modification of the dissolved oxygen standard on a site specific basis; specifying certain rule change instructions to the revisor of statutes; providing for application of the changes (rla)