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(HARDPAN) TO VARIED :DEPTHS ACCOUNTING FOR THE VARIED SUC:CE SS OF LOCAL FARMERS TO PRODUCE ROW AND ORCHARD CROPS. ONE MAY EMPIRICALLY OBSERVE THE VARIED SOIL TYPES `":CROSS THE AREA OF THE SUBDIVIDED PARCELS AS WELL AS BY THE DIFFERENTIAL OF PERCOLATION RATES FOUND DURING THE TESTS PERFORMED FOR THIS STUDY AND ONE PERFORMED FOR THE PROPERTY ADJACENT TO THE NORTHEAST IN 1984, PER ms e4-10. WHILE THE HIGH ACIDITY OF LAYMAN CLAY HAS BEEN A DETERMINANT IN THE FAILURE OF THE ATTEMPT TO GROW CROPS IN THE AREA ITS LEACHING QUALITIES MAY CONTRIBUTE TO RESIDUAL CALCIFICATION OF THE INTERFACE WITH THE GEOLOC I CALLY PREEX I S TANT R I NCON CLAY SUBSTRATA. COMBINED WITH'' THE LOWER RATIO OF SAND TO SILT IN WYMA�1 SERIES SOIL THIS PROVIDES A MITIGATING INFLUENCE ON THE RATE OF BIOABSORBTION FROM LEACHATE EFFLUENT. GROUNDWATER DEPTH IS APPROXIMATELY 2�3-90 FEET FROM THE SURFACE. b. SEPTAGE PERCOLATION ENVIRONMENT AND TESTS THERE ARE SEVERAL OPERATING SEPTAGE FIELDS NEARBY. ON PARCEL 4, THERE EXISTS A 1600 GALLON TANK INSTALLED IN 1977 AS A REPLACEMENT FOR A PRECEDING 200 GALLON TANK WHICH SERVES THE CHURCH HALL (PERMIT 77-052) _, DRAIN FIELD =SIZE IS NOT A MATTER OF RECORD. IN 1994 ANOTHER TANS: AND DRAIN FIELD CONSISTING OF FIVE 1007 LINES AND 5 PITS WAS ADDED TO SERVE THE SCHOOL BUILDING EAST OF THE CHURCH. ON THE DESIGNATED REMAINDER PARCEL THERE EXISTS A 1200 GALLON TANK WITH 100' OF LEACH LINE AND A PIT (PERMIT 75-133) FOR THE SHOP AND AN EXISTING SEPTIC TANS-:: AND LEACHING FIELD FOP; THE RESIDENCE THE PERMIT FOR WHICH WAS NOT FOUND D ON FILE, PROBABLY DUE TO THE AGE OF THE INSTALLATION. WHILE THERE MUST BE A SYSTEM IN USE AT THE RESIDENCE EAST OF THE CHURCH PROPERT`! AND NORTH OF PARCEL 2 NO RECORDS WERE FOUND IN COUNTY ENVIRONMENTAL HEALTH FILES. SEPTAGE TESTING WAS PERFORMED UNDER M`t` DIRECTION UNDER PERMIT IN LATE 1924 ON THE PARCEL IN QUESTION AND THE ADJACENT REMAINDER PARCEL WITH ACCEPTABLE RESULTS. REFER TO M.S. 84--10. TESTING FOR M_S. 96-11 WAS PERFORMED UNDER PERMIT APPLICATION # 010016 2016 Off,! AUGUST 9, 1996 UNDER THE OBSERVATION OF CAROL OZ, A SANITARIAN WITH THE SAN OAQU I N COUNTY DEPT. OF ENVIRONMENTAL HEALTH. THREE SITES WERE CHOSEN, ONE ON EACH OF THE VACANT FIVE ACRE PARCELS, PARCELS 1 , 2 AND ?, (SEE COPY OF APPLICATION ATTACHED) . ALL HOLES WERE DRY AFTER OVERNIGHT SOAKING. SITES 1 & _ HAD AN OBSERVED RATE OF 5" PER HOUR WHILE SITE 2 PERCOLATED AT 3" PER HOUR. THE DIFFERENCE IN RESULTS MAY BE ATTRIBUTED TO THE VARIED DEPTH OF THE WYMAN SEPTIES SOIL. (SEE SECTION 5 ABOVE) . A COPY OF THE PERMIT AND FIELD WORKSHEET ARE APPENDED.