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3.6 Discussion of General Area Septic Tank Repair History: Repair history of the septic tanks in this area reveals that the leach lines and seepage pits have resulted in consistent unerring performance. This is based on the fact that no septic system repair application has been applied for. 3.7 Description of Proposed or Expected Maximum (including second unit dwellings) septic tank usage on site. The property will be zoned commercial/crossroads. There are no imminent plans to develop the property. If the property is developed, a system will be designed to County Standards. 4.0 GROUNDWATER INFORMATION SECTION: 4.1 Description of the depth and gradient of groundwater in the general area: The depth to ground water in this area is approximately 90 feet according to the map of"Lines of Equal Depth to Groundwater" published Spring, 1999, by the San Joaquin County Flood Control and Water Conservation District. The gradient descends from east to west. 4.2 Description/Discussion of any existing and/or potential groundwater contamination issues in the general location of the site: The concerns for groundwater contamination in this area is deemed low due to the depths of groundwater involved. Insecticides, pesticides, and " fertilizers typically do not impact groundwater at these depths. However, as with any agricultural area, there is always potential for contamination due to chemicals used in the farming operation. 4.3 Description of location, type and construction of well and location where water sample(s) were obtained: Weser samples were not taken. At the time of trying to obtain a ` water sample the well was not accessible. The well was not accessible at the time samples were trying to be obtained. 4.4 Description of constituents being tested for in the water sample: N/A _ 4.6 Complete Chain of Custody document, including printed and signed name of third party sampler, condition of sample and date and time the sample was submitted to the lab. For Laboratory samplers, complete laboratory report to include the above noted ` information. N/A 5.0 SOIL PROFILE INFORMATION SECTION: 5.1 Site map showing location,with dimensions, of the soil profile pit on the parcel: See Appendix. 5.2 Description of soil profile pit including depth and dimensions: The shallow test hole was prepared per County Standards. The hole was excavated to a depth of 42 inches and 8 inches in diameter. It was backfilled with 2 inches of"pea gravel." 2 cA0498\Sail Report 9/15/06