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Naphthalene, C1 - National Park Service

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[867]. However, methyl and other alkyl<br />

naphthalenes accumulate to a greater degree in fish<br />

than naphthalene [366] (see bio.detail section<br />

below for more detail).<br />

The heavier (4-, 5-, and 6-ring) PAHs are more<br />

persistent than the lighter (2- and 3-ring) PAHs,<br />

such as all naphthalenes [796].<br />

Synonyms/Substance Identification:<br />

No information found.<br />

Associated Chemicals or Topics (Includes Transformation Products):<br />

See also individual entries:<br />

<strong>Naphthalene</strong><br />

<strong>Naphthalene</strong>, 1-Methyl<br />

<strong>Naphthalene</strong>, 2-Methyl<br />

PAHs as a group<br />

PAH, Alkyl Homologs of<br />

<strong>Naphthalene</strong>, C2-<br />

<strong>Naphthalene</strong>, C3-<br />

<strong>Naphthalene</strong>, C4-<br />

Water Data Interpretation, Concentrations and Toxicity (All Water<br />

Data Subsections Start with "W."):<br />

W.Low (Water Concentrations Considered Low):<br />

No information found. Compare total naphthalenes to<br />

naphthalene concentrations (see naphthalene entry).<br />

W.High (Water Concentrations Considered High):<br />

1-Methylnaphthalene was reported in process sewage and<br />

production water samples from coal gasification plants at<br />

concentrations ranging from 78 to 278 ug/L [766].<br />

Methylnaphthalene (isomer not specified) concentration<br />

reported at a municipal landfill was 0.033 mg/L (33 ug/L)<br />

[766].<br />

W.Typical (Water Concentrations Considered Typical):<br />

The information presented below is for one representative<br />

<strong>C1</strong> naphthalene, 1-methylnaphthalene:<br />

1-Methylnaphthalene was reported in an urban<br />

snowpack in Michigan at concentrations ranging from<br />

less than 0.05 to 0.177 ug/L [766].

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