Document GKdVprk77oBE6RjRgLmwGnxpY

FILE NAME: WR Grace (WRG) DATE: July 31, 1970 DOC#: WRG114 DOCUMENT DESCRIPTION: 1970 memo regarding field monitors TO: ?.. I. SCHHEIDER FROM: R. L. 32RMAX ce: H, A. Brown Thomas Egan F:-.W. Eftton DATE: July 31, 1570 , SUBJECT: Mono-Kota Job Sits Testing On July 30, 1970, Hr. Egan contactad me regarding the availability of the field monitors, which'were used for the job site testing in Long Island and in Omaha. . The monitors .used in Long Island have been cleaned and shipped to the Zonolite General Plant Superintendents for reuse. The Omaha.monitors were obtained. On July 31, 1970, they were delivered to Hr. Ed Peters of the Arthur D. Little Company. Ai ng with the ' monitors was sent a sheet briefly describing the job which each monitor was used to sample. . i The purpose of the delivery was to have Mr. Peters look at jiche filters under an electronic microscope. He is to use a much higher rate of magnification than the 430X, which is used for our analysis purposes. He is to lock for fibers which exist, but cannot be seen at 430.X magnification.- i .3 :jrs ---- PLAINTIFF'S EXHIBIT a. (eg U-CTATC UOAl M n v CO. 20080515