Lead for geaoa shieldin* Polyettylene end par affin lead shielding y r* x > > !

Sample No. 2 .15 mg. of lead per cubic meter of air.

Lead for geaoa shieldin* Polyettylene end par affin lead shielding y r* x > > !

found on the walls of dilapidated The one per cent lead limitation was housing.

No blood lead level is safe for children.

It is illogical to set an air lead standard, he said, and suggested that the standard be based on blood lead levels.

There was a considerable Margin between the price of lead and the price of white lead.

When tetraethyl lead is absorbed, for example,, the lead content of the brain may become very high without any appreciable or measurable elevation of the blood lead.

LEAD CONT.

The conditions and requirements of the interim order are enumerated below: (1) As presently required by 29 CFR 1910.1025(jX2) of the lead standard, employers shall perform blood-lead and zinc protoporphyrin (ZPP) tests every two months on each employee whose last blood test indicated a blood-lead level at or above 40 ug/lOOg and who is exposed to lead above the 30 ug/m^ action level.

The conditions and requirements of the interim order are enumerated below: (1) As presently required by 29 CFR 1910.1025(jX2) of the lead standard, employers shall perform blood-lead and zinc protoporphyrin (ZPP) tests every two months on each employee whose last blood test indicated a blood-lead level at or above 40 ug/lOOg and who is exposed to lead above the 30 ug/m^ action level.

NATIONAL LEAD COMPANY, No. ioo William Street, New York. 3 0000-NLI-000017870 NATIONAL LEAD COMPANY MANUFACTURERS OF WHITE LEAD, DRY AND IN OIL, TINTING COLORS, Litharge, Orange Mineral, Red Lead, Colors, dry and in oil, Glassmakers' Oxides, Vamishers' Oxides, Colormakers' Oxides, Enamelers' Oxides, Rubbermakers' Oxides, Potters' Oxides, Brown Sugar of Lead, White Sugar of Lead, Lead Pipe, Glaziers' Lead, -Block Tin Pipe, Bar Lead, Tin Lined Pipe, Lead Sash Weights, Sheet Lead, Lead Wire, Solder, Solder Wire, Lead Traps and Bends, Solder Ribbon, Babbit Metal, Nitrite of Soda, CASTOR OIL, AMERICAN AND CALCUTTA LINSEED OIL, Raw, Boiled, Refined and Varnish.

Re; Treatment of Lead Poisoning Dear LIr.

The zinc protoporphyrin test, which measures an ad verse metabolic effect of lead and as such is a better indicator of lead toxicity than the level of blood lead itself, is not required due to pending litigation.

It may replace the basic sulfate white lead content of multiple pigment paints, whether the basic lead sulfate is present as such or as a component of leaded zinc oxide.