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M <br />Date: <br />To: <br />Company: <br />Address: <br />Phone No.: <br />November 15, 1990 <br />Steve Rosenbaum <br />361-5732 <br />I M IN DI IN <br />1; <br />Time: 11:00 a.m. <br />KLEINFELDER <br />Project No.: 24-220025-J00 <br />I asked Steve if he approved of the abandonment of MW -4 and MW -9 as requested in our <br />letter to him, dated November 5, 1990. He said he approved of the plan. He asked if we <br />were going to pressure grout and I said we were going to try to pressure seal the top of <br />casing but were not sure of the logistics due to the elevation of the casings above ground <br />surface. I told him that we felt that the weight of the 70- to 110 -foot column of cement <br />would provide more than enough pressure to push the grout out of the casing into the filter <br />pack, if the seal doesn't stay in place. He asked whether were calculated the volume of <br />grout needed to fill the filter pack. I told him that we generally did not, but that we <br />recorded how much grout was required to fill casing and how much additional grout was <br />pumped. <br />He said he will not respond in writing, but will accept my documentation of his approval for <br />abandonment during this telephone call for the files. <br />cc: Carrie Cummings <br />Mary Haber <br />Steve Rosenbaum <br />Greg Olivera <br />F15-90-104 <br />Recorded by: Renee Zollingerr <br />