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near the connection of the user's facility with the city's sewer. The Utilities Commission or its agents, employees or designees shall be allowed access to the user's premises as necessary for inspection, observation, measurement, sampling or testing of wastewater discharged by the user into the system. The Utilities Commission or its designee shall be allowed to inspect the records of any industrial user where an effluent source or pre- treatment system is located as may be reasonably necessary to determine the strength and concentration of pollutants discharged into the city's wastewater system. 4. Sampling of the effluent of waste discharges may be accomplished manually or by use of mechanical equipment to obtain a composite sample which would be representative of the total effluent. Samples shall be taken at minimum at six month intervals to establish the BOD and suspended solids of the individual waste for billing purposes, or at such intervals as determined by the Utilities Commission to be necessary to maintai control over the discharges from the user. The method used in the examination of all industrial wastes to determine BOD and suspended solids and prohibited wastes shall be that set forth i in "Standard Methods for the Examination of Water and Wastewater" as approved and published jointly by the American Public Health Association, the American Wastewater Association, and the Water Pollution Control Federation. 5. Section 1 of Ordinance 905 of 1979 is hereby amended by striking the words "up to 350 milligrams/liter of suspended solids or 350 milligrams/liter of B.O.D." following the phrase "concentrations of wastes discharged to the sewer system in excess of that named in Article V o4(i)(3) and 4(i)(4) above" 6. There is an immediate and urgent need for the prompt passage of this ordinance for the proper administration of municipal affairs, in completing a sewer improvement project funded in part by the United States of America; therefore, an — 3 —