Document e5kk2YKqpMXOOaYBVG7RQL84p

onsanto industrial chemicals co. ft LK*TIM< D* R( Cova * T3C < t* January 26, 1974 Irtci MNKI MONOCHLOROBIPHENYL (MCBP) TISSUE RESIDUE STUDY O E. S. Tucker T2F R. E. Keller - TIB G. J. Levlnskas > A2SC W. R. Richard - T3A Q. E. Thompson - T3E On January 4, 1974 we gave you a sample of MCBP (MIC 207175) for tissue residue study. This sample represents hlgh-para MCBP which was st the tine Dow's preference. That preference has now changed, and Dow now wants low-para MCBP which meets the specifications set for MCS 1547. We have a sample repre sentative of this material which should be used In the tissue residue study rather than the sample we previously gave you. Analysis of this sample (MIC 207162) and tentative product specifications are as follows: Specifications Analysis Biphenyl o*Chlorobiphenyl m-Chloroblphenyl p-Chlorobiphenyl Polychlorobiphenyls 0.61 mex 10.01 min 4.01 max Remainder 1.01 max 0.501 15.751 S.OIt 10.251 0.411 ' We have approximately a quart of this sample. // D. R. Cova 3* HONS 021572