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Mr. Larry Matlock - 2 - ✓ 8 September 1999 of the facility. It should be noted that use of a wastewater treatment/holding pond is a standard agricultural practice and with proper waste management, odors can be kept to a minimum. Your concern over the odors from the other facilities may be warranted; however,the permit adoption process for the Stagno Meat Co. is not the appropriate forum to address concerns regarding other facilities. Something needs to be done to correct the present situation, and to prevent any additions to these odors. FORTUNATELY, technology has been developed in Enzyme treatment agents, which, when added to this wastewater can significantly reduce odors. In a survey I personally made prior to the Stagno operation's startup, I contacted Alpine Packing Company of north Stockton, among other slaughter operations, and was pleased to discover their usage of enzymes in their ponds. No odors were detectable with the Enzyme additive. I understand there is an Oregon based company supplying Alpine with the product. I will do some research on the Internet to see if I can identify them, or you could call operations management at Alpine and get that information. I commend Alpine for its good neighbor policy, and at the same time condemn Stagno and Jenkins and Olivera for their creating the "Lathrop Stench". The proposal for slaughter of 500 pigs plus other animals every day needs every mitigating option possible, and I urge you to use the information I have enclosed to improve the water and the odor situation in Lathrop. After the Stagno facility becomes operational, and in the event that the odors from the pond become a nuisance, we will require the wastewaters in the pond to be treated to reduce odors. Use of enzymes may be an option; however, we cannot dictate the method of treatment that may be used. We have reviewed WDRs Order No. 92-054 for the Alpine Packing Company(enclosed). The specification against the conditions of nuisance or pollution emanating from the treatment or discharge of the waste, which includes odors, is the same as that in the Tentative WDRs for the Stagno facility. Therefore, both facilities are under the same requirement to control excessive odors due to their wastes. The information you provided regarding the use of enzymes for wastewater treatment will be forwarded to the Discharger. As for the existing facilities you mentioned, we will investigate the situation and encourage you to contact the California Air Pollution Control Board regarding the odors. If you believe that our WDRs do not adequately address your concerns, then we urge you to attend the meeting of the Regional Board on 17 September 1999, commencing at 0900, to present your position. The meeting will be held at 3443 Routier Road, Sacramento, California 95827-3003. If you have any questions,please call me at (916) 255-3035 or Camilla Williams at (916) 255-3112. �✓ ROBERT 7. M'AYTITEEOLILI1/� Senior WRC Engineer Enclosure c:\ckwfile\agricultum\aglettm\agltr009