These included leaded-zinc oxide (zinc oxide with basic lead sulfate), red lead, orange mineral, blue lead, litharge, and chrome yellow. 13.

Through a white lead trade association, The Lead Industries Association, the nation's lead lead producers, refiners and manufacturers disputed claims.of lead poisoning and worked actively to discount such reports.

Most investigators pointed to lead paint as being a key source for lead poisoning.

Since blood lead readily crosses the placenta, lead poses a substantial threat to the developing fetus.

However, many of these studies do not reliably allow precise definition of lead-induced toxicity with lead exposure (as measured by bipod-lead levels).

Stanton Lead

The Federal HAPs list does not include elemental lead in the definition of lead compounds.

:''between the fall in blloc'd lead levels in the U.K. and lead usage in gasoline.

The current blood lead level which defines lead poisoning is 25 micrograms of lead per deciliter of blood.

o Lead in drinking water.

o Lead as a carcinogen.

o Lead in drinking water.

As of November 1, 1994, all lead-related construction training leading toward DHSinterim certification must be taken from a DHSAccredited training provider.

High blood lead is known to damage the kidneys, and lead poisoning may promote total kidney failure.

DR 2300797 Blood Lead Levels Let me now turn to the issue of blood lead levels.