White-lead and Lead Mixing Oil paint Should he for all coats.

lead Oalda 74 HANDLING.

However, the absorption of tetramethyl lead cannot be detected by determinations of lead in the blood, but, rather, is revealed by the measurement of the lead in the urine.

Therefore it can be seen that the nature of the lead alkyl used will not influence the amount or ch aracter of the exhaust products if the same concentration of lead is present in the fuel. 2, Organic Lead From Spilled Gasoline -- The volatility of different organic lead compounds will affect the relative rates at which gasoline and its contained organic lead compound will evaporate.

Super Sublimed White Lead -- The premier quality basic sulphate white lead.

The ratio, which we call the lead index, is far more indicative of lead toxicity than the lead level alone.

MAGNITUDE I.EAD BXPOotJRIS IN MARIcN, INDIANA PLANT OP ANACONDA WIRE AND CABLE COMPANY Air samples were taken In the Immediate vicinity of a melting pot In ehloh scrap lead from cables vas being melted* Detailed observations vere made over a period of an hour and a half In order to note the oondltlona which were moet favorable for the distribution of particulate lead compounds in the atmos* phere.

The fuperintendenfc1a statement does not. show that he had no lead exposure.

Errey to the Lead Blending Plant, Bawarda where leading of the aviation spirit was in progress.

Newfield and Kennedy obviously talking about childhood lead poisoning but this was put in lead in gas segment.

feas.d ating POWER DATA SHEET Typical Cable Applications in Generating Stations ' No. 253 Service generator leads, BUS TIES, ETC' AUXILIARY MOTORS CONTROL CABLES : 3-pfi voltoge Insulation 2,000 Heat-resistant rubber (RH) 15,000 Oxone- resistant rubber1 17,000 Varnished-cambric 17,000 2,000 Impregnated paper Heat-resistant rubber (RH) 15,000 Ozone-resistant rubber'' 17,000 600 5,000 Varnished-cambric Vinyl resin Asbestos-varnished-cambric 600 Heat-resistont rubber 600 Ozone-resistant rubber 600 Vinyl tesin, polyethylene Installation Conduit3 Insulators Ducts" Conduit, ducts Conduit* Ducts" Conduit, ducts ConduitInsulators Ducts" Any Conduit* Conduit, ducts Ducts" Conduit, ducts Conduit* Ducts" Conduit* Ducts" Conduit Conduit* Conduit* Ducts* Conduit* Conduit, ducts* Ducts* Conduit* Conduit, ducts* Ducts* Conduit, ducts Covering Cotton braid Cotton braid Neoprene jacket Lead sheath Cotton braid Neoprene jacket Lead sheath Cotton braid1 Cotton braid Lead sheath7 Lead sheath Cotton braid* Neoprene jacket Lead sheath1*' Neoprene jacket Cotton braid* Lead sheath7, 10 Cotton braid Lead sheath None Cotton braid" Asbestos braid* Leod sheath1* Cotton braid Lead sheath1 * Neoprene jacket Cotton braid Lead sheath'* Neoprene jacket Vinyl resin Finish Note 3 Note 3 None Note 5 Note 3 None Note 5 Note 8 Note 8 Note 5 Note 5 Note 3 None Note 5 None Note 3 Note 5 Note 8 Note 5 None Note 8 HF",i: Note 5 Note 3 Note 5 None Note 3 Note 5 None None exciter and FIELD LEADS1 15,000 Ozone-resistant rubber 17,000 Varnished-cambric Conduit, ducts Conduit, ducts Conduit, ducts Conduit, ducts Lead sheath1* Neoprene jacket Cotton braid Lead sheath'* Note 5 None Note 3 Note 5 RHEOSTATS 300 All asbestos Faceplate to resistors Asbestos braid HF'* BOILER ROOMS, ASHPITS 5,000 Asbestos-yornished-eambric 5,000 2,000 Varnished-cambric Heat-resistant rubber (RH) Conduit* Conduit Ducts* Conduit* Ducts* Conduit* Ducts* Conduit, ducts Cotton braid* Asbestos braid* Lead sheath Cotton braid* Lead sheath Cotton braid* Lead sheath Neoprene jacket Note 8 HF Note 5 Note 8 Note 5 Note 8 Note 5 None POWER TRANSFORMERS Primary and secondary services 2,000 Heat-resistant rubber (RH) Conduit Ducts* Conduit, ducts Asbestos braid Lead sheath Neoprene jacket Paint filled Note 5 None 8,000 Ozone-resistant rubber* Conduit Ducts* Conduit, ducts Asbestos braid Leod sheath Neoprene jacket Paintfilled Note 5 None 17,000 Varnished cambric Conduit Ducts* Cotton braid Lead sheath Note 8 Note 5 132,000 Impregnated paper Conduit, ducts Leod sheath Note 5 Motes: 1--usually overinsuiated. 2 ntiolly dry; if moist consider ducts. 3--smooth black.

Initial Blood Lead = 10 ug/dl Final Blood Lead )( Symbol Codes A: X"9 8: X=8 C: X=5 3.5 + i I i II I 3.0 + !

Diesel fuel does not contain lead. 11.

In that the basio lead oonee^fcratloo has appeared to be in the neighborhood of 1 mill i gras par 10 eubio cetera, while the brief periodic expoeure, during droaslng end shoveling la of the order of 2*5 to 3*0 csllllgraas per 10 cublo aeters* iiy experience In industry leads ne to believe that thla degree of exposure dace not indues sufficient lead absorption to cause lead poisoning* This conclusion la fully verified by the results obtained In the examination of 2 employees whose work has Involved daily exposure to such lead as is regularly distributed into the atmos* phere around the pot* Neither of the two workmen showed any cltnioel evidence of occupational lead absorption* Neither had a lead line, despite the presence of conditions in the nouth (pyorrhoea) uhloh are favorable to the development of lead doposlts in the guc tissue* Neither of then shoved any blood changes lanecsla or stippling) suggestive of lead absorption* Neither of them had abnormal quantities of load in their blood and urine* I&rrlt uyer had O.OU mg* per litar of urine, and 0*03 i*b por 100 .

sorbed rapidly and completely so that poi soning will develop from much lower doses It is not even necessary that the compound penetrate deeply into the respiratory system It has been demonstrated experimentally that lead compounds are absorbed rapidly and completely from the nasal passages when they have no chance to go either into the digestive system or deeper into the respira tory system Prevention of lead poisoning is almost en tirely a matter of good housekeeping and dust control To prevent ingestion, food or drinks should not be taken into workrooms where lead compounds are handled The metal is essentially harmless Al though it can be vaporized at high tempera tures, such temperatures are not usually attained in casting, soldering, or heat treating baths Casting and soldering pots should have local exhaust hoods to get nd of lead vapor or lead compounds which may be earned off with volatile fluxes It is at least equally im portant that the surface of the lead be kept free from dross and that the dross container be enclosed under the same hood so that dross can be removed from the pot and the container covered and removed, all under ex haust Likewise, on large soldenngjobs the solder ing operation should be locally exhausted, pnmarily to prevent nose and throat lmtation from acid fluxes More important, the fur naces used for heating the soldenng irons should be exhausted because m these fur naces considerable lead is invariably oxidized Assembly of battery plates and burning on of the connectors should be done on grilletop tables with down-draft ventilation This installation plus regular air sampling to en sure control of contamination, and physical examinations to keep track of lead absorption by employees, can eliminate lead poisoning from battery plants The poisoning produced by inhalation of solid inorganic lead compounds commonly causes symptoms of lead colic and lead anemia Shpple cells or other readily stained cells in the circulating blood are good indi cators of lead absorption, although not so good as the direct measurement of lead con tent of the blood or unne Urinalyses for lead can now be run routinely and cheaply and with sufficient accuracy by polarographic or spectrographic methods Lead tetraethyl and other lead alkyls are likely to be much more rapidly progressive as poisons than the nonvolatile compounds and are much more likely to attack the nerv ous system than to produce gastrointestinal symptoms These effects are probably typical of the volatile lead compounds, none of which is common in industry See Industrial Data Sheet 443 and Hygienic Guide Lethanes --see Thiocyanates (aliphatic).