Wells 2, 3 and 4 showed similar results. Chloroform concentrations topped out in shaft number two at 22.0 ppb at 90 to 100 feet, and 56.0 ppb at 40 to 50 feet. While the University would have liked to hear otherwise, a Memo from Dermott Courtney to Martha Anderson (28) confirms the test results: 

“The contaminant concentration values that were reported were reviewed by Mark Malcomson of the University Analytical Center. Mark has agreed that the method used to determine these values is correct and that the numbers are legitimate. At his suggestion I analyzed a standard (the same one that was used for the soil sample analyses) that had been diluted to more closely approximate the contaminant concentrations that were found in some of the samples from the first well. This was done for the purpose of confirming the resolution of the gas chromatograph at low concentration. I have included in this memo copies of the chromatograph and a summary of the data. I have included relevant data from the soil sample analyses.” (28) 

“There was no CHCI3, CCI4, or TCE found in the grease and oil samples.”(28) 

“Bob said the results were not yet available for the last samples taken from the second well or for any of the samples taken from the third well. The analysis showed concentrations of contaminants between the surface and down to 125-150 feet in the second well which is about 100 feet from and the closet (sic) to the old burial site--particularly around 40-60 feet. Bob stated that even though levels of 56.0 ppb, 20.0 ppb, and 16.0 ppb were found, these are considered to be very low. He said this confirms the concept that the material in these oldest areas evaporated out through gas diffusion and migrated through a large area