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r - rMr Chuck Carmel - <br /> October 15, 1993 <br /> Page 2 <br /> W = C µgll x 9 x 1b x 378 1 x Q gal <br /> 1,000,000 µg 454 g gal rlav <br /> where <br /> W = Average amount of chemical discharged, lbs/day <br /> Q = Average daily flow <br /> C = Concentration pg/l <br /> The next monthly status letter will include the interval September 14, 1993 through <br /> October 13, 1993 <br /> Please call Mr Steve Misner at (916) 444-0123 if you have any questions regarding the <br /> groundwater extraction system at ARCO Station 2133 <br /> Sincerely, <br /> BROWN AND CALDWELL <br /> (St..GGt� <br /> Steven D Misner Jay Lucas <br /> Project Manager California Registered Geologist#4301 <br /> SDM JCL ne <br /> Enclosure <br /> cc -Ms--Mary Meays'-San Joaquin County <br /> Ms Elizabeth Thayer, Regional Water Quality Control B,)ard <br /> Mr Frank Tucker, City of Stockton <br /> Ms Mindy Wright, Brown and Caldwell <br /> Use or disclosure of data contained on this sheet is subject to the restriction specified at the beginning of this <br /> document <br /> Brown and Caldwell 74521CORRESP%7452-p4 SEP <br /> ..CE1S�ll[�3�1[ <br />