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F transported via automobile to Precision Environ-Tech and released to them (see chain of custody in Appendix). The nitrates were measured at 8.62 mg/l. The DBCP was measured as non-detect (see Appendix for results). Based on water testing, potential r 1 . for contamination is very low. VI. SOIL PROFILE AND PERCOLATION TESTS One test hole was excavated to a depth of 3.5 feet in the area of the homesite. The purpose of the test hole was to determine percolation rates in this area. For approximate location of the test hole, see the Tentative Parcel Map In the Appendix. The hole was prepared in accordance with County Standards. The hole was excavated on November 4, 2003 and filled to a measuring of 30 inches, 12" inches above the gravel with water for the 24-hour presoak period. On November 5, 2003, at 8:00 a.m. after the presoak period the hole contained no F water, and the 4 hour test was performed in accordance with County standards. Soils iithology in the general area of the test holes consisted of a loam. As a shallow percolation test proved adequate for a conventional septic system, no further soil exploration was necessary. FA copy of the Soils Classification Map prepared by the U.S. Department of Ag Soil Conversation Service is included in the Appendices. Their map classified the soils as Columbia fine sandy loam. Due to the classification, there should be no potential i problems or special engineering required on future septic systems. One percolation test was performed in a hole with 8 inch in diameter by 42 inches deep backfilled with 2 inches of gravel. The one hole was filled with water 24 hours prior to running the test. The test hole for Parcel 1 was performed under a 4 hour fest. The last half hour of the test reading for Parcel 1 was witnessed by a County Health Official and the test data obtained is enclosed in the Appendix. F. Parcel Number Percolation Rate F1 15.00 minutes/inch II VII. GROUNDWATER A Groundwater test was performed on the water faucet located by the office building on the adjacent property (A.P.N. 091-350-04). The property address is 8100 Fi N. Podesta Lane, Linden, CA. The samples were taken from a domestic well. The well was tested for nitrates and DBCP. The samples were taken by Mike Toy of Dillon F. & Murphy and driven directly to Precision Environ-Tech. Water was taken from the faucet at the office. The samples were taken from 8100 N. Podesta Lane, Linden, CA 95236. The sample containers were filled with water from the faucet, the F, samples were only handled by Mike Toy of Dillon & Murphy, and placed in a h 2 0:10210717921 N.Podesta Lane SOILS REPORT 110503