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3.6 Discussion of General Area Septic Tank Repair History: Repair history of the septic <br /> tanks in this area reveals that the leach lines and seepage pits have resulted in consistent L) <br /> performance. There have been no incidents in the area. (See Appendix). <br /> 3.7 Description of Proposed or Expected Maximum (including second unit dwellings) septic <br /> tank usage on site. There are no immediate plans for primary residences, or second unit <br /> dwellings. Per County ordinances, each parcel on this map is entitled to one primary l/ <br /> residence and one second unit dwelling. Therefore this project could ultimately have 6 <br /> homes on the three proposed parcels. <br /> 4.0 GROUNDWATER INFORMATION SECTION: <br /> 4.1 Description of the depth and gradient of groundwater in the general area: The depth to <br /> ground water in this area is approximately 220 feet according to the map of"Lines of Equal <br /> Depth to Groundwater" published Spring, 1999, by the San Joaquin County Flood Control and <br /> Water Conservation District. The gradient descends from east to west. <br /> 4.2 Description/Discussion of any existing and/or potential groundwater contamination <br /> issues in the general location of the site: The concerns for groundwater contamination in this <br /> area is deemed low due to the depths involved. Insecticides,pesticides, and fertilizers typically <br /> do not impact groundwater at these depths, however, as with any agricultural area, there is 0.;9 <br /> always potential for contamination due to chemicals used in the farming operation. <br /> 4.3 Description of location, type and construction of well and location where water <br /> sample(s)were obtained: There were no domestic or agricultural wells on subject parcels. �13� <br /> Therefore no samples were taken. l <br /> 4.4 Description of constituents being tested for in the (rater sample: N/A Com/ <br /> 4.5 Description of how sample was obtained, handled,stored, and transported to the <br /> lab: N/A <br /> 4.6 Complete Chain of Custody document, including printed and signed name of third <br /> party sampler, condition of sample and date and time the sample was submitted to the <br /> lab. For Laboratory samplers, complete laboratory report to include the above noted <br /> information: N/A <br /> 5.0 SOIL PROFILE INFORMATION SECTION: <br /> 5.1 Site map showing location,with dimensions, of the soil profile pit on the parcel: See <br /> Appendix. <br /> 5.2 Description of soil profile pit including depth and dimensions: The shallow test holes <br /> were prepared per County Standards. Test hole#1 was excavated to a level of approximately <br /> 1.83' below original ground. From there, an 8" diameter hole was excavated to a 1.67' below <br /> 2 <br /> c:\04131\Soil Suitability Study 1208 <br />