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Nearly 99 percent of the samples collected tested at or below the 15 ppb federal action level for lead, 95 percent met the bottled water standard of 5 ppb and lead was not detected in 81 percent of the samples collected.
A sink in a media center storage room was found to have the highest lead levels present at the high school: 85 ppb.
The counsel for federation raised objection over it and argued a constitutional petition is already pending hearing in SC against PPB.
of the apple juice (or cider) samples contained arsenic at levels of 9 ppb or higher.
Those that had the lowest levels of iron were from The Netherlands and Ireland (41 ppb and 47 ppb, respectively).
14 ppb, respectivamente), y el mayor nivel de aflatoxina G2 (56.
Sensory analysis of the model systems confirmed that directly adding individual pyrazines at less than 20 ppb led to the development of earthy-bell pepper flavor in mild domestic Cheddar cheese.
The actual baseline (or "design value") ozone level in the Philadelphia metro area in 1975 was 199 ppb.
Tierney's group showed that at exposures of about 10 ppb, the fungicidal wood-preservative known as IPB turned off olfaction in coho salmon.
About 10 percent of women with low iodine intake could require treatment if pregnant and if they were exposed to as little as 5 ppb of perchlorate, according to the Environmental Working Group.
The first thing to understand is that this 15 ppb level was never intended to be a health standard," says Maas.
EPA has preliminarily suggested a safe level as low as 1 ppb, while the Defense Department has said levels could be 200 ppb or even higher and still not pose a health risk.
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- PPARG angiopoietin-related protein