Document 5QyJ8jg7wKgmB9o4pwwo4Og8

^trlal Hvaiene DUest August, 1962 ovtr 24-bour period* for storing synthetic and atmospheric `samples of aliphatic hydrocarbon* lad acrolein, but not for storing formaldehyde, oon*v nitrogen dioxide, and aulfur dioxide, fig* of MUar are satisfactory for atoring aliphatic hydrocarbon* and acrolein; *J*o for lyn- tbatlc mixture* containing formaldehyde, over 24-hour period*, and osone, nitrogen dioxide, and aulfur dioxide for et laaet aeversl hour period*, Formaldehyde in atmoapharlc gases'can be atorod for aavaral hour*. APCA Abate, ,, Lota of Fluorescent Particle* in Atmospheric Diffuaion Experiments by Ccmnarlaow with Radio* enon Tracer, A. E. J. Eaalaton and W. Thompson, Nature 192. 915-916 (One. 9, lllif 3 Zinc cadmium sulfide, dllparaad a* a fina powder, he* bean widely uaad aa a tracer I* atudiea of air movement beeauae the particle a are aaaily idealUiad by their fluorescence. Re cently, however, there baa been reaaon to suspect that particiea were gradually loat* end the experiment deacribed in thia paper wat Intended to find out whether the reaulte obtained were continent with those given by a radioxeaon tracer. Zinc cadmium sulfide and xenon-k 11 were ' - Ttiuid dmaltmcmlyimn i iO^natvteticfc'Wtf i ptrtolei 1 bocr,'iidwen eamptatil point* 16 and, 60 kll. down-wind*. Comparison Of the ratio* of fluorescent portlet** to xenon at . 1 . the two 'Campling point* showy* that abouf SOfl of the particiea appeared to bivu been lost be- . twtdnthem; dncreaaf ln*tbe brightness of,the light esdd.ln betegstnr )* fluorescent* panicle** i .* increased ihe'ijumber.ff pei^ietes found by abqut JS % but did-not appreciably <altp*.tba Va>Iaof_. \m |ha humbera'pf particiea'ar the. twj sampllpg.polm* gad therefore did no\ acttihl^y redact the. . 'apparent loaa of pen!cte*.a .The losS'isao far nbt,explained* ,4 `.Bull, Hyg. * "Tokyo-Vofcohama Asthma". The Rapid Development of Respiratory Distress Prdeumably Due* ` to Air Pollution. H. W. Phaloa and S.koihe. Am. Rtv.Rssp. Di, ab. 66-61 (July iHlL A diaaaae entity ha* been presented which i* presumed to be caueed by air pollution, but`the exact etiology ia atlll unknown, 'Early in lta courat thia diaaaie behave* much like acute bronchitis. Later it 1* Impossible 10 dUfetentiate from classicasthma. Aa the <(iseaae progres* aes over weeka or months, it become* a-form of aethmatie bronehitia. The Ratient receives Uttle symptomatic relief from the uaual treatment for asthma. The lack of regions* to nabuli-. aation with bronchodilator* is documented by external splrometric studies. Patients with histo ries of asthma prior to coming to Japan who continue to havo asthma in the Ksnto Plain (Tokyo`Yokohama area) usually show good response to broncbodUatora. Tho patients with this asthmatic bronchitis have mors trouble in the winter months daring periods of tncreaaod ttnog concentra tion* Coughing and wheeling are the most common complaints. Unremitting shortness of breath-" Is experienced throughout the year. Although the study Is by no means complete, it Is believed that there la evidence that air pollution, of unknown content, is the cause of much disability which, under certain condition*, may progress rapidly to emphysema* -- Gond, from authors* summary 764 Polynuclear Aromatic Hydrocarbon Composition of the Atmosphore in Some Laris' Amer Cities. *"&awichlf et at. Amm..TInndd.7Hkyvgi.Aaan. J. 23, 117-144 (Mar.-Apr. I962).~,\A * The air of 14 American cltiea wrfa examined for the follo. wing po* lycIyclic hydrocarbVon*! pyrenel'bens*oU)pyreoe, benao(o)pyrene, beneo(k)fluorantheae psryltne, benao(g,h,i)pOryieiie, anthanthrene, and coronene. Occasionally, fluoranthene, chryeene, and bens(a)antbracene wore also found la ambient air sampler. Of thete compounds, chrysene, b*nsU)anthra6ent%benBo{e) pyrene, b#ngo(#)pyr*ne, and bnxo(g,h,l) parylene have been stated to have some carei^Menio activity, A fairly complete gist of polycyelic compounds that have been identified In air, Tobacgo moke, and gasoline or diesel exhaust is presented. Both winter and summer measurements V. were made in 7 of the 14 chief* MU all urban samples the concentration of the polycyclic are- j' matie hydrocarbon! was generuly greater in winter then in summer. The ratios of benso(a) I pyrene to b*nto(g, h, ilperytene \nd to coronene ere introduced aa possible indicators of air pel* lutlon due to automobile exhaust fames or coal combustion pollution. Correlation coefficient# I art given for each of tha reported B*volycyclic hydrocarbons with reapoet to the other ? The ad data sbow*that analysis of any on* hydrocarbon except coronene may indicate roughly the total 1. amount of othar.hydrocarbons pressed i Authors' summary *6 Air Pollution ,Snd Keahht Hew Facta from New York State. * L S* .'Brlgbtifiap, A,. fUhm, Jr, gnd S. W. Samuels.' J, Air Poll. Control Aasm U, 27^-277,' 261 (Juno 1962). The subject is discussed under the following subheadings: ^ir Pollution as a Public Health Problem, Chronic Disease and Air Pollution/ and Weed VoY Further fteseareh, *The l *