Document baOD3Zgem9n6zwX7n4dzYNwbg

St. Louis - general Offices keck Hlchola - Cleveland 3. 1965 AHOCLOB 12*2 -- gsllsaae glsctrin fc wearing Cmnanar. Cltvi.^| Eieherd Hurls RSAYX As Z told you on the telephone Mr. Heredoe celled as earlier this week quits disturbed as s rssuit of ay latter of August 77. This lsttar apparently aisrtsd him iwsur to torn potential taxis baxards of the use of Aroelor 1342 at slavatad tsspsrstures. Ha told mm that the Monsanto litera ture furnished hia had been reassuring in terns of hat problsaa sight arise in their application. I sues* shat really shook bin sea whoa I aantlcned that with taepsraturso greater than 150 anohanisal exhaust ventilation should be provided to rsnore vapors. For the record Mr. Haredoe' application Involves the use of Aroelor 1242 as a ooclaat in elsetrie sotors. Tso aotors are nountod cB,alnlag equipnsnt ueod at the face of a drift. Total values of Aroolar far the too aotors is approxlaately tw> gallons. Haredoe estlaates that four quarts per day of this quantity sould toe lost is the mine -- proemsTily all of it by volatilixatiap. I told hia Z doubted that the ventlistion provided in mines would be sufficient to keep this mount of Aroolar at the threshold Halt value of 1.0 mm/w. aster of air. He told as there bad been seas ooaplalnts .in-edass mere the aotors were being used. Ha wasn't spsolfio but I understood that the coopiainta vers of odor sad imtation. toother or not the levels are actually irritating I don't kam. it nay be that the alnorm have just moognlied that there is soas- thlng in the air noe that oaaa't there' before. Hr. Haredoe vent on to soy that in hia oea plant hot Aroelor spills oa the floor ears season and that hia oea sspluyess had caeplaizwd of diseoafart. X naa brutally frank and told hia that this had to atop before he killed seas body eith liver, or kidney daaags -- not tosssiise of a Ingle- exposure necessarily but only to eagbaalpe that 8-hour dally exposures of this type would toe #! Italy unsafe. Karedos ealled a soeend tins to inquire about the decmpoaitlon produsta with spssifls reference to desmpooltloa produets resulting free eisetrio erelng. X told hia that as had Underwriters' laboratories reports on boat transfer fluids which were pertinent. He reeo^Oxed that the chief decugKisltlon SONS 09?#73 I t-------T" L TOWOLDMON0046078 WATER PCB-00037055 I Alehard Davis Pa*e 3 9/3/65 produce *ould likely be SCI* Z eaphaalsad that this la itself la a good "warala* acent* ableh aanraa ta Halt voluntary axpoeure to high oaooeotrmtlona or ru<ifinal i im aterials. I told Mr. Raradoe further that tha Medical Separtaent m skaptloal about tha uaa of Areelor* la operatlwa because had not aaan data to show fTTiwt of torts larala. I aephaalsed and re-eaphaalsed that tha drooler* art excellent producta hut auat ha uaad la aloaad eyateaa if they ere to be haatad. lapllod in hie aaaond conversation that hia engineering pod nj looking at redesl^Oo provide a sealed syeteo. 1 ETWiaJb Qsir f. \toeeler P.3. Mr. Haredoe pointed out that In his fpi^asi*n Arotlor oould he heated up to nearer 400p than 'the 150y figure wftloh 1 had Mentioned. m HONS 097*7* TOWOLDMON0046079 WATER PCB-00037056