Document nkkmaq3gV950DoVXBDnme1j58

,- t*V -'J'l'j? 3&:*9**%-t:r* -v x?J&vrs,&s&*-ihxrg " ,- * #* v > . M- >- ;? ^v-?xrf * , - , ,JO 1 -?, . >?, ~ ' t *1 w.*.-- ' . * a ?--v.^ga-.^ 'V ": ~.. f *'v2' * Arem rtv# Dltwlw *1 H*ohl> Im< Mw IHm AtmMi, In*. JtJ Mabte* Av. New Ye* 17, H. T. Sefety hi.- Ah+*d with l+*d BBS* April 21, 196f USAS KYCQXX AID SATRY BOUETOI To All Matber* of th# Lead Industrie* Aaaociatioe, Zd o .i SQyVTT Of LEAD H THE ATHOSPgEBB OF TCKEI QRBAJ OCWOnnH Th* long delayed report with th* above tltl* bu Juet b*a completed by the 0. 8. Pvhllc Health Barrtc*. TMa raport ccrvvr* a atudy conducted over a 12-ocnth parlod, frco June, 1961 through -2 Mty. 1962 la Cincinnati, fblladeljfcla and Loa Angel**. Ortr )b00 ataoepfcerlc aaaple* at twenty altaa la thaaa cltlee, plua W000 blood and urlna sacples taken frca * lactad population group* living la thaaa cltlaa, war* aoalysad for load. 7b* analytical rviu.lt* ar* tabulatad and th* data la thoroughly dlacuaaad and latarpratad. *i 7b* atudy la oca of tha aoat Intaoatv* cocd'ertad aojiber# aa u an evaluation of air pollution. In canary th* repot atataat "Tb# annual artrag* concentration of lead In the atacepber* ranged frca about 2 alcrograaa per cubic neter of air In the dcaratovn and lnduatrlal area of Cincinnati, to about 1 In th* outlying area* of that city. Tb* value* In correapondlng area* In Iblladaljhl* ranged frca 3 to 1, and In Loa Angela* frca 3 Id 2." s Taking Into account th* firming* frca the Rational Air Sanpllng Jetwork, which ha* been analysing city air aloe* 1957, tha report indicate* that there baa been little change la the aaeamt of lead la the ataoepber* over tb* laet eereral year*. Tbte authoritative report should provide all th* aneunlttoa needed to aaeure nenber* of th* 1 general public and th* prees that lead la not a lgntfloant factor la : pollution of th* atnoapber*. Because of th* Importance of thla report tha L.IJk. vlll devote lta next "Tact* Bulletin* to th* subject of air pollution, baaing our Bulletin largely on th* naterlal provided In th* Public Health Bervlce report. Our Bulletin vlll be available trlthla the next few nenthf, and will be announced to you 1a th* usual a*on*r. V I if J<i. *