Health Assessment Document for Diesel Emissions - NSCEP | US ...
Health Assessment Document for Diesel Emissions - NSCEP | US ...
Health Assessment Document for Diesel Emissions - NSCEP | US ...
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1 particulate matter is considered to be the proper dosimetric variable, then the disproportionately<br />
2 large lung burdens at high levels of exposure must be adjusted <strong>for</strong>. Second, even under low-<br />
3 exposure regimes, clearance is slower in humans than in rats. If the correct dosimetric variable,<br />
4 on the other hand, is particle-free organic matter, a smaller adjustment <strong>for</strong> variations in particle<br />
5 · clearance rates is required because most of the organics are likely to be eluted from the particles ·<br />
6 deposited in the alveolar region, even at normal clearance rates. Nevertheless, some adjustment<br />
7 is still necessary, because the organics are seldom all eluted.<br />
8<br />
9 4.7. REFERENCES<br />
10<br />
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211/98 4-33 DRAFT--DO NOT CITE OR QUOTE