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ii <br /> 11 <br /> • PENCIL <br /> • - . - - - . - - - • - - - - - - - - - — MARKS ---;- - "ri'- . . - . . <br /> 6. i �y�--y4• - <br /> • <br /> In : ; MANHOLE 1 <br /> I' _ ki • �i <br />• <br /> ♦� ill J • <br /> INLET `ate 4 SCUM _ �. ' II 3 OUTLET <br /> t.. _.--... ..- .7..... ,, . ,1 <br /> ':i1,<,} OUTLET LEVEL - �, �'v_z di. �1 I `y° V <br /> - SCUM CLEAR SPACE= ' - - CLEAN OUT TANK WHEN: <br /> -- It <br /> — — - —_ -' _ .. . ,7 4 ' ' IS 3" OR LESS OR <br /> — -- _ __ _ _ _ _• ' B B IS 12" OR LESS <br /> -_ f <br /> , • BLACK COLOR <br /> �� • <br /> t. '•. : ' SLUDGE . •::-'.11 .• - DISTINGUISHES SLUDGE <br /> 4.4'.‘,1.1,...::•.• •;:•.:-.:.. . _ . , _ LAYERwFROM LIQUID <br /> /+• ^•,'•••b`'•:, = -- . .. - • °;; _ 'r• J/ <br /> iris :�l �Jk.4 �- <br /> • F-. <br /> V/ w <br /> MEASURE SCUM AND SLUDGE ACCUMULATIONS <br /> IN THE SEPTIC TANK <br />