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3.7 Description of Proposed or Expected Maximum(including second unit dwellings) septic tank usage on site. The proposed parcels will have a primary residence,no second unit dwelling is planned, thus only one septic system is anticipated at this time. Per County ordinances, all parcel's created per this application is entitled to one primary residence and one second unit dwelling. Therefore this project could ultimately have 10 homes. 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 140 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 DescriptionlDiscussion 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 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: Water samples were taken from a spigot at the well located at 21820 E. Milton Road on November 4, 2009 by Mike Toy of Dillon&Murphy. 4.4 Description of constituents being tested for in the water sample: The water samples are being tested for nitrates and DBCP. 4.5 Description of how sample was obtained, handled, stored, and transported to the lab: The water samples were obtained from the spigot at the well located at 21820 E. Milton Road. The samples were taken by Mike Toy of Dillon& Murphy and driven directly to Precision E Enviro-Tech. The samples were taken and handled in accordance with Precision Enviro-Tech requirements. The results from the test can be found in the Appendix. R 4.6 Complete Chain of Custody document, including printed and signed name of third p Y party sampler, condition of sample and date and time the sample was submitted to the lab. The complete chain of custody document is located in the Appendix. 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 holes were prepared per County Standards. The holes were excavated to a depth of 42 inches and 8 inches in diameter. They were backfilled with 2 inches of "pea gravel." 2 i cA00301.Soil Report1209