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iy f F 3 .7 Description of Proposed or Expected Maximum (including second unit dwellings) septic tank usage on site. The granting of the Zone Reclassification will allow no more, han 7 two acre parcels. Given the fact that there are two homes (either existing or under construction), the most number of new lots would be five. Since each lot in an R-R zone is entitled to a primary home and a second unit dwelling, there is a potential of 14 homes on the entire fourteen acres. 4.0 GROUNDWATER INFORMATIONE S CTION. F4.1 Description of the depth and gradient of groundwater in the general area: The depth to groundwater in this area is approximately 2.5 feet-(see Anderson Report in Appendix). The 1 gradient descends from east to west. Potable water is approximately 160 feet deep. ' 1. 4.2 Description/Discussion of any existing and/or potential groundwater contamination issues in the general location of the site: The concern for groundwater contamination in this area is high due to the depths involved. A nitrate loading study is recommended prior to any .� future development. 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 house located at �— 3548 County Club Boulevard on November 18, 2005 by Brook Handel of Dillon &Murphy. 7' 4.4 Description of constituents being tested for in the water sample: The water�samples are being tested for nitrates and DBCP. The results for dibromochloropropane (DBCP)were non-detect and the results for nitrates were non-detect. 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 house located 3548 Country Club Boulevard. The samples were taken by Brook Handel of Dillon&Murphy, and driven directly r to Precision Enviro-Tech. The samples were taken and handled in accordance withi Precision (Lf- Enviro-Tech requirements. The results from the test can be found in the Appendix.' 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 submittd to the lab. For Laboratory samplers,complete laboratory report to include the above noted information: The complete chain of custody document is located in the Appendix: 5.0 SOIL PROFILE INFORMATION SECTION: F 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: et holes were prepared per County Standards. The holes were excavated to a depth of 18 inches and 8 inches in diameter. They were backfilled with 1 to 2 inches of"pea gravel." #.; 2 CA0 4181Soil Report 121305