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PERCOLATION TEST RESULTS: ON DECEMBER 19, 2000, PARCELS I AND THE REMAINDER PARCEL WERE TESTED TO DETERMINE THE PERCOLATION RATE. MR. LARRY GODINHO, R.D.I. AND R.E.H.S., FROM THE SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DEPARTMENT OBSERVED THE READINGS FROM 11:00 AM TO 12:30 PM. TWO TEST HOLES WERE DUG FOR EACH PARCEL. BOTH PERCOLATION TEST HOLES FOR PARCEL I AND THE REMAINDER PARCEL PASSED. PARCELS I AND THE REMAINDER PARCEL PASSED THE PERCOLATION TEST WITH A PERCOLATION RATE OF 20 MINANCH FOR A DEPTH OF 3 FEET. PERCOLATION TESTS WERE CONDUCTED IN ACCORDANCE WITH SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DEPARTMENT REQUIREMENTS. COMMENTS REGARDING EXISTING SEPTIC SYSTEMS: 0 BASED ON THE INFORMATION GWEN ON SHEET 5, THE EXISTING SEPTIC SYSTEMS IN THE AREA ARE FUNCTIONING WITH NO PROBLEMS. THE EXISTING SEPTIC SYSTEMS IN THE AREA CONSIST OF A SEPTIC TANK AND LEACH LINES. ENGINEER'S OPINION SOIL SUITABILITY: FROM THE RESULTS OBTAINED FROM THE PERCOLATION TESTS AND EXISTING PERMITS FOR THE REPAIR AND INSTALLATION OF PRIVATE DISPOSAL SYSTEMS, THE SEPTIC SYSTEMS FOR PARCELS I AND THE REMAINDER PARCEL SHOULD CONSIST OF A 10, 000 SQUARE FOOT LEACH FIELD AREA. SINCE THE SHALLOW PERCOLATION TESTS PASSED, SEEPAGE PITS ARE NOT BEING RECOMMENDED TO BE USED. THE SEPTIC SYSTEM SHOULD CONSIST OF LEACH LINES AND SEPTIC TANK CONSTRUCTED TO THE SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH REQUIREMENTS. THE LENGTH OF LEACH LINES AND SIZE OF SEPTIC TANK SHALL BE DESIGNED FOR THE SOIL CONDITIONS IN THE AREA, AND THE SIZE OF THE HOUSE OR FACILITY TO BE SERVED. THE GROUNDWATER TABLE IS LOCATED APPROXIMATELY 39 FEET BELOW THE GROUND SURFACE. THEREFORE, THE GROUNDWATER LEVEL WILL MEET THE TEN FOOT MINIMUM DISTANCE BETWEEN THE BOTTOM OF THE LEACH LINES i AND THE TOP OF THE GROUNDWATER TABLE. THE SEPTIC SYSTEM SHOULD T ADVERSELY AFFECT THE GROUND WATER TABLE. IT IS OUR PROFESSIONAL OPINION THAT THE FINDINGS INCLUDED IN THIS STUDY ARE A REPRESENTATIVE ASSESSMENT OF THE PROJECT AREA AT THE PRESENT TIME. THIS OPINION CANNOT CONSTITUTE A GUARANTEE OR WARRANTY, EITHER EXPRESSED OR IMPLIED. WATER TEST RESULTS: ENCLOSED ON THE FOLLOWING PAGES IS THE TEST RESULTS FOR THE EXISTING WELL BY FGL ENVIRONMENTAL. MRS. SLIKKER WAS CONTACTED ON JANUARY 12, 2001 IN REGARDS TO WATER FROM THE EXISTING HOUSE EXCEEDING THE MAXIMUM CONTAMINATION LEVELS FOR NITRATES AND DBCP. A RECOMMENDATION WAS MADE TO DRINK AND COOK WITH BOTTLED WATER QRpEES51p� C. �0 F� No.48 17 ^' WONG ENGINEERS, INC. EAO, q-30-% a ZACHARY C. WONG, R.C.E. 48717 DATED 1-17-2001 sT civic �P 9JFOF CAt\Fp�� SHEET 6