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September 3, 2004 NOA Project Number: E04025A Page 2 General Mr. Nomellini had requested that the results of this work be submitted to Property Management Experts of Stockton, attention of Mr. Mike Jacobson. Mr. Nomellini and his agent Mr. Howard Jackson of Stockton Mortgage, are no longer involved with the project. The soil evaluation and engineering design of the park's septic system was proposed in an effort to get approval from San Joaquin County Environmental Health Department (EHD) to proceed with repairs. EHD staff has mentioned in a letter dated March 5, 2005 that the existing systems are operating in"failure mode"(see attached letter copy). NOA will propose a design which requires special approval from EHD since the park's existing septic system is out of compliance with current EHD requirements. The parks septic system repair areas are being utilized for sewage disposal. Sheet 1 indicates the possible location of the existing septic system's components. These locations were determined from permit records, actual tank locations, and discussions with persons at the park with some knowledge of repair history. These features by no means should be considered accurate or verified. Site Conditions It is the understanding of NOA that the CLIP has several old septic systems which have experienced numerous problems in the past. The CLIP continues to require weekly tank Z pumping at various tank locations. Our office understands the park may have existed since the late 1940's. Review of the septic system and well permit records goes back to 1962. The record indicates numerous small repairs have been made. At the time of this investigation, forty-five (45) spaces for trailers were identified on the property, though several were unoccupied. Existing Sewage Flow Most of the trailer spaces have a water meter which is read each month and tabulated by Property Management Experts. The records for the period from March 6 to June 7, 2004 were provided to our office for review. Some of the water meters were not operating for several of the spaces. It was assumed that the spaces with a non-operating meter probably utilized the average amount of water as the spaces with working meters. The meter reading data and summary sheet are attached to this letter. After evaluation, our office estimates the park uses approximately 11650 gallons per day. This is equivalent to about 260 gallons per day per space. This period between March 6 to June 7 represents the "busy" cherry season where the park occupancy is1:4