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— � _ � _ _ i �. � i i•rl ' 1V1 1 L' �. � 1'J 1 1 1V 1: 1V 1 ti_ L'' L� L r I_I <br /> a <br /> MID--CONTINENT RESOURCES , INC . <br /> INTEROFFICE CORRESPONDENCE <br /> TO : DIANE DELANEY <br /> SUBJECT : SMALL AREA EXEMPTION DESIGN AND DEMONSTRATION •- OLD REFUSE <br /> PILE ( SOUTHWEST END ) <br /> FROM: JOHN A. REEVES, JR . <br /> DATE : SEPTEMBER 15, 1993 <br /> The subject area is roughly oval in shape, approximately lo0 ft <br /> long and 60 ft wide, for a total area of 0 . 11 acres . An additional <br /> part of the di_.turbed area ( topsoil stripped only) of approximately <br /> 0 . 59 aCrA9 Or.ajng Into the SAF, for a total of 0 . 80 acres . Total <br /> 10-yr 24-•hr rainfall accumulation in this area would tie 0 . 16 a'Lrf'- <br /> ft_ . <br /> This: .area i ,, protected by a exc-_ivated F;Io yes with a minimum <br /> effective height of at least 3 feet, with a gravel filter with a <br /> height of approximately I fnct . Water flowing through Lhe gravel <br /> filter sasses into the. 100- yr 24-hr clean water diversiorJ ditch . <br /> Demor:�Lt rat ion will be by nmpling the next time water flows throl_ 'jh <br /> the filter . <br />