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I'r - Memorial University of Newfoundland

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Figure 4.1.7. Regress ion <strong>of</strong>three first PCs on the parameters they are deemed to<br />

represent: (•• 1st PC \'1. mean sUe <strong>of</strong>7 selected PAHs usedfor the PCA<br />

[ Pa, Fa. Py, Chy, BbF, ReP. Per); (b) 2nd PC vs. the difference between<br />

mean sUe <strong>of</strong>higher (Chy, BbF. ReP) and lower (Pa, Fa, Py) lI'IOJecuJar<br />

weight compounds; (c) 3rd PC \'S. svc <strong>of</strong>Py. Ccmel.tion coefficients and<br />

significance levels are also shown.

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