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INSULATED <br />VENT <br />PI PE <br />LOCATE THE SEPTIC TANK <br />NEAR THE MAIN SOURCE <br />OF SEWAGE <br />'w <br />CLEAN <br />OUT - „ <br />6 TO 121@ OF <br />EARTH COVER <br />T� SOIL <br />O CLOSER ` � " TREA <br />LN <br />TMENT <br />THAN 10' UNIT <br />DETAIL 1 <br />