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THESIS APPROVAL

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Calculation of Naphthalene Concentration in Extracted Samples<br />

The calculation of naphthalene concentration in extracted samples was<br />

determined by using the formula:<br />

C = cV/Mv<br />

C = concentration of naphthalene in extracted sample (µg/ml or µg/g dwt)<br />

c = concentration of naphthalene appeared on HPLC trace (µg)<br />

M = mass∗ or volume∗∗ of sample brought to extract<br />

v = volume injected to HPLC (µl)<br />

V = final volume in acetonitrile (µl)<br />

Note: ∗ = mass of sediment, or worm tissue, or fish muscle (g)<br />

∗∗ = volume of water (ml)<br />

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