Document 4a5wDrDQbq3aYQbEMxLg8dBvG

f V ijcuoLs sue shoe cc^m c 0 p I * KETCH. BnuHTlGHT 2?Z1 due liiana ATi. Chicago 6, 111. Howess-ir 3, 19Lfi. 1 hare read carefully O'* report you famrud and u rtiuning it *1th S7 conannta. Kr. tjTrawn' a reaajsr* on tm ^uallfyina, adjectives* lr. ths ahstrit*. sr-d conclusions. Vhila edalttlng the advisability of reconciling the two, it nut be r--hind that any coaai arearl-ametier. casr.ri be absolutely conducive. Obaerratiens on the tissue reaction* to waricus substances can aaan notrang urn than reasonably accurate supportive evidence that the affect noted la net la likely to occur In nan after slhllar exposure. The report notes that the ana result la net alwsys oertalhad la seen apaolaa of erperlaeatai use a. It ia uam*^ chly possible t? coca pnraaeoloCT aa, *tha ouat ar~arntl7 dasa net altar significantly the course of erf rieeetal tubareuloaia in guinea piga,* ate. Possibly a aisdlax experiment camad orer a longer period of iiae could produce aa entirely different result. Thera are too aaipr littanglhlaa to all<*s dogmatic or aora ostflmte atatoaota. W* la trae.of aor experimental ware la Bilm 1 a or hunana. The riw of the amrmental rtt Ilea la the fact that 11 faraa a reasonable basis for rnuxf of characteristic tissue changes ealch are bxalar to those aeen la huouuu. V *- \ I gain the lanresslao fraa ICr. Brown's latter that be la acsicaroad with possibia repsrausslcua Iron the legal paint of new bat'I wuet caifm I do t sss anything In the rwoort In Its nresant fora eniy causa uaaua concern. , 1~Isr rvrcr.3 are frexuaat la the -uterature'aot only In this "counOy "bat i. ; . f.-cs. aboard. . Csnsis Ir-licatt ona have baa sad* la the rwrert men aa that refer'line tr. fw /..yi {ncLisnee cf pneumonia among the experlaentsl an< -- l . ad the suggestion tbit asbestos daat aiir.t .-are aaee degree cf responsibility for such a doTalepcunt, oa*- these are explained and dtscoogtoo n the ensuing tart, fi.dau these tsuli settees ngnt be ewSTlad raamit penning further factual* daSX:---------------------- ---------------------------------------------------------- I faal that since apyt pf the basic fine with the exception of tkm are detailed studies aor.tlcaad In the reoort are already known and hare baa puhlisomd In other studies an espartos, no oofrrorahla reaction fed be antictpeimd. I thin* the Idea cf renewing the aenuacrlpt prior to ponllcatlcp is a good com In order to aril wee sutual anaar* tending with Sannae, but I faal that this can be icrca pllahed quite satisfactorily without y praaaooe. `ffir' *XA ii:w;yT^"`TV^aci*