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March 2003
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HPC Meeting Minutes 2003
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March 2003
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South Bend HPC
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Minutes
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1001360
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to an area right on the other side of the fence there. We need to conduct some more tests <br />and activity in that area. <br />GERALD UJDAK: They used to dump all of their cutting oils there. <br />ANDY LAURENT: Right, and I believe there is also a cyanide bath in there. <br />ANDY LAURENT: We are waiting for South Bend Lathe's approval to get in to that <br />building to conduct some interior site assessment activities. We went through in the <br />summer and that was when the property was changing ownership and the South Bend <br />Lathe business had gone through bankruptcy, so they basically told us to come back later. <br />So, we will be coming back in the next couple of months to actually get back in there <br />and do some work. Our consultant seems to think that it was one of two things, either <br />some of the information APT had may have been faulty or the other possibility is what <br />they found at that site is actually coming from this area, the vapor decreasing operation <br />down in Building 86. <br />GERALD UJDAK: Well, my information is from people who work there. The old way <br />in 1930's and the 1940's was to pour it out onto the ground and just forget about it. <br />ANDY LAURANT: Some of these chemicals travel differently through the ground and <br />the ground water. This source that we are dealing with here down in Building 86 is <br />coroneted solvents, and as those products biodegrade they actually become worse <br />because they breakdown into vinyl chloride, which is actually a more toxic chemical than <br />then the original chlorine solvent. <br />GERALD UJDAK: Yes, but, those are modern cleaners. <br />ANDY LAURENT: Well, at Studebakers we found shipping records that state that <br />Studebaker had these chemicals shipped in as early as the 1940's. So, these chemicals <br />are not as modern as we had hoped. <br />Some of those dyes when they were put in the 1920's, those dyes and presses would <br />have had to been degreased. These chemicals were modernized as time went on and <br />different chemicals were added to them; but, it was always the same basic degreasing <br />chemical. The problem is that as those chemicals were in the soil they just slowly <br />reached out over time into the ground water. Even though relief may have occurred <br />fifteen years ago this source area is continuing to contribute. <br />GERALD UJDAK: What is the water table there? <br />ANDY LAURENT: Between twenty and twenty five feet. At one time the water table <br />was actually quite a bit lower, because Studebaker was pumping a lot of water out. As <br />those activities decreased the water levels increased. <br />GERALD UJDAK: The Studebaker wells were on the North Side of Sample Street <br />where the city facility is. <br />
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