Document gvDm1g6KYq0n0XaXLpBnY3xe

c JL V May i, 1975 Dr. J. H. Vclsburgar Aocrloan HMltb Foundation Valhalla. Saw York 10595 4 Whltowood Hoad Whlta Plains, Haw York 10603 Daar Johnt It waa graaloua of you to roaohadula your flight to tho Waat Ooast to permit a stopover in at. Louis for a faw hour*. Wa appreciate your eourtaay in finding tlaa to do ao In a busy aohadula, and no look forward to aeetlng with you noxt waak. As you luagastad, X aa aondlng you sararal ltaas for review In advunoa of our aaotlng. Duplicate ooplas of tha followii* ara Owing aallad to your offloo and hona addraaaoat 1) nio aaaomndua of a aaotlng batwaon Dra. Klabrough (080). agulroa (MX). Gordon and KLahtar (Industrial 810T8H) and ayaolr on January 31. 1975. 2) Suaaary and aolaotod pagaa of Induatrlal 8Z0-Y88T ftsport (Wovcwbcr it. 1971) on a 2-yaar rat faading atudy with ADOOUft 1200. 3) Industrial KO-OH haport (March 24, 1973) on review of liver sootlons froa tha study oliod as itoa 2. 4) Draft of paper by Dr. Xlabrough, at all, on ADOCLO* 1260. -- These should present you with a good Indication of our cencern. Wa would Ilka pour reoaenandetlona aa to what wo should do as HONS 092708 Dr. J. H. Welaburgor tey 1, 1975 Page - 2 - result of this Information and your thoughts ss to tea we night proaMd In bringing this Information to tte attantlon of our cuatonora and various regulatory sganolaa. Aa you ean not* froa tha afflllatlena of Dr. Klabrough*s ooauthors, aany of tho lattar are already aware of ter findinga. Ho would alao appreciate your evaluation of tteso reporta, your opinion aa to wtetter ttere are apparent reaaona for tte different reaulta obtttned by tte 2 laboratorlea, your suggeatlona regarding poaelbla additional anlaal tooting, and your Judgeoant aa to tte aignifinance of tte flndlnga with reapeot to tesarda to wan. Both Dr. Kimbrough'a and BIO-TMT's atudlea wore oonduotod with tte aaaa lot of ABOOLOR 1260. Consequently, ttere ahould bo no dlfforeoosa whleh oould bo attrlbutabla to lapurltlea in tte teat anterials. Tte hlgteat feodUfffMael ueod In tte BIO-TBR study (100 ppa) corresponds to the single level used by Dr. Klabrough. ARMLOX 1260 la a mixture of tenologs and laonara of biphenyl which has boon ahlorlnated to an average of 6o%. Wo shall be waiting atitte airport on Tuesday, May 6, 1975, to meet your flight, AA 333, scheduled for arrival at lill p.a. Vo promise to see you sboned flight AA 353 whleh la scheduled to depart at A135 p.a. In tte Interval botween those 2 flights, wo would appreciate your Initial views on this natter. Kindest personal regards, Blnoerely, /bkp doorgo j. Levlaskas, PhD Mgr., tevlrcnaontal Assessment and Toxloology coi Dr. George Boush, Jr. HUNS 092 709