The method used here is F air h a llt s method and we report lead only in excess of what has been shown to be commonly presen t in [connection with a large number of normal in dividu als not exposed to lead whom we have used as con tr ols.

Vhtta lead, loo. shrugs of the elcmenrt.

age of white lead -- the time-tried painting material.

,white-.* .lead o vjj^gxl ' idverriaemeat appeaia ta.

Cf those using leaded gs ^oline, the only one cf which direct knowledge is a cool stove made by the American Gas machine Company.

Ill Oil t ii 1h All S00 lbs* vm l t.s, . on# del Ivery 1 ton o k a delivery iOOe1 31.40 30.90 30.15 50s wMae 32.55 32.05 31.30 25s mmmmrnm 34.80 34.30 33.55 Netail Consumer Prices - Zones i. 2, and 6 100a 50a 25a lie lead In oil 33.25 34.50 37.00 Refer to yur Where-To-Ruy-11 page for White Lead in Oil in parbeas* eller than 25 pounds, and also for your requiraaants of Hey Sad lead and Red Lead in Oil, ?

Infra-red irradiation effect on skin pigmentation Insecticides microchemical detection Insects necrotic bite of brown recluse spider Lead analytical methods for determination atmospheric concentration determination self-powered portable sampler epidemiology of disease associated with importance and uses of metabolism under abnormal conditions nature of in exhaust gases natural occurrence normal metabolism 498 458 476 476 454 444 443 425 491 487 431 504 425 451 502 447 466 515 501 469 461 468 498 462 467 Lead poisoning clinical inorganic in children problems in recognition 470 471 472 Lead tetraethyl absorption and pathology determination in air hygiene and medical control procedures intoxication 465 501 463 464 Lead tetramethyl absorption and pathology determination in air 465 501 Leukemia complicated by fungus infection 444 Light abnormal reactions of man to 445 kasala), mechanical properties in men over 60 particle deposition by diffusion 438 483 Magnetic fields effect on organism 493 Microchemical detection of airborne toxic agents 502 New England history and problems of occupational health 517 Occupational health history and problems in New England 517.

lead sulphate or lead formate by weight approximately.

Of the 19 blood samples completed the lead concentration of 8 are definitely in the range consistent with symptoms and Intoxica tion, The lead concentration pf another 5 of the blood samples are at the very upper limit above which symptoms may occur, and the lead concentration in the remaining 6 are within a "safe" area but, none the less, as a group would suggest Increased lead absorption.

Drv White Lead.

He ad vises me that the lead determination is made by the Dithiozone method, also known as the Colormetric method.

Proposed Red lead Technical Letters.

He may be assured of this fact, since, while the evidence would not show up in the blood {lead absorbed as TED does not give rise to much elevation of the blood lead), it would be readily apparent in iue urine.

Without lead-lined equipment, tlie corrosive attack" of_ processing liquors would be even more troublesome than they are at'present

This is in line with what would be expected if blood lead does indeed affect blood pressure.