Document 10k2VxJbRX9Xdw3ZBBQy7gdqE

INTER-OFFICE CORRESPONDENCE * . BIO-TIST Jia MLK Mm June II, 1971 ^PLW, JP, 0L uJCTi Monaanto 90-Day Shidie Aroclor 1221, 1016, 432 and 441 . '' Doae lavela In lhaaa atudiea are to b# changad aa follower 432 - 1 ppm change to 300 ppm 10 ppm k 100 ppm ramain unchanged 442 - 1 ppm changa to 3Q0_ppm 10 ppm 4 100 ppm ramain unchanged 1016 - 1 ppm change to 30 ppm 10 ppm changa to 300 ppm 100 ppm - no change - 1221 - 1 ppm change to 300 ppm 10 ppm and 100 ppm unchanged At aacrifice, aamplaa of liver, fat and muacle are to be aaved (frozen) for analyaoa. Procaduraa for tiaauea are to be the aama aa thoae uaad with Aroclora 1242, 12S4 and 1260. m ^ o**c.\ cbnC! 1 T.-5> ?, I M. L. Kaplingar MLKsdb 0C1221 WATER PCB-00045715