This may lead to some confusion as to whether sample loss has occurred, this migration effect can be considerably decreased by shipping and storing the tubes at -20*. 5.3 The precision of the overall method is limited by the reproduci bility of the pressure drop across the tubes.

Inhalation tests on animals indicate that maximum concentrations of chlorinated biphenyls as vapor which are "safe" is 1.0 mg/m3 for the lower chlorinated biphenyls and 0.5 mg/m3 for the more highly chlorinated biphenyls (Hubbard, 1964), Continuous or repeated skin contact with chlorinated biphenyl leads to a condition called "chloracnc" which has been reported repeatedly with industrial workers handling products containing chlorinated biphenyls (Mligs et al., 1953).

The Commission noted that none of the objections contained a ref erence to or an offer to present factual information which might lead the Commission to a conclusion contrary to that reached by it.

0 5U)fL.

KOMMISSION DER EUROPftlSCHEN GEMEINSCHAFTEN COMMISSION DES COMMUNAUTEs EUROPtENNES 1*49-4 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY INTERNATIONAL SYMPOSIUM Environmental health aspects of lead Die gesundheitlichen Aspekte der Umweltverschmutzung durch Biel Les problbmes sanitaires posds par le plomb present dans renvironnement IMPORTANCE HE L'APPORT ALIMENTAIRE EN PLOMB IPAHS L'EST fe LA BELGIQUE BEUSGHEM C.

Models C and D may overpredict because they do not address either the enzymatic biotransformation of VC or repair of the lesion leading to development of angio sarcoma, both of which are likely to be dis tributed normally in human or animal populations.

Jtm 1971 OCCUPATIONAL ACBOOgTtOLYSIS--MNMAN IT AL Neva ran not lead ear of Um following changes of lha akin of iroorbands, wrists, wramst Thlekaaing of the skin *(YIS) (10) 54 If r*. is it on (MAIDS) (MISTS) (AMS) Mite, raised patobos of akin *(YBS) (gQ) 30 It ywa. is it on (MMDS| tm**i (AMS) M&tiShglMlM If rM, is it *(TBS) (SO) 38 (HUM) (MISTS) (ASMS) Miar skin patches *(T1S) (MO) 57 If 70S. is it on (HAMD5) (MISTS) (ASMS) Snail, raised arsas, or lungs loss than 1/S iaob around *(Y1S) (MO) 38 (MOT Inaludingwarts) If ros. is it on (HAIDS) (MISTS) (ASMS) Haws rott boon bothered br base fingornail troublast Pita ar soars af tba fingarnails (YXS) (MO) tldgas ar araaking af tba fingarnails (TBS) (MO) Mawa ran usad band-bald powor tools or air-driven tools at work in tba post six roars t (BAHT) (OMCZAMK) (USS IMAM OMCX A MR) (MX7M) 41 Mawa raa aver broken, fraaturad, or crushed aflngerf (TBS) (MO) If 70S* SOS it tba (RIGHT) 48 or (LI7T) band?

The vent vacuum hose connection to the sampling system leaded several times during the sampling operation VVC 000002382 Page 2 Loading and Vent Line Flange Insertion: Century readings showed most readings below 40 ppm.

CAP-1739 March 27, 1979 TO: Members of the House Education and Labor Committee FROM: Hilton Davis, Vice President Legislative and Political Affairs From the Washington Office ASARC0 incorporated RE: H.R. 1524, The Asbestos School Hazard Detection and Control Act of 1979 H-R. 1524, which is to be marked up by full committee on March 29, stands on the premise that schools have a health*problem with asbestos, a"`: premise not based on sound data.

R K i-O II ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+ salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: Test sample was taken from 3M production lot #1.

IH.OtS UNITED STATES ""OVERNMENT Memorandum kecm-v' 'jf FI t 'v* U.S.

Interviews with the press can lead to very bad misinterpretations and unnecessarily damaging publicity. 15.

RUBBER & PLASTICS *N.

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I' l \I Mortality Among Employees I of PVC Fabricators Iroiurd Chiazze, Jr., Sc.O.; William E.