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This letter to the editor explains why the results presented in “Crane (Arch Environ Contam Toxicol 66:176–200, Crane 2014)” does not support the hypothesis that refined tar sealers (RTS) are a significant source of PAHs in urban sediments. Additional analysis of Crane’s data indicates that sediment chemistry can be explained in the absence of RTS.

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Kirk O’Reilly has received funding from the Pavement Coatings Technology Council.

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Correspondence to Kirk O’Reilly.

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O’Reilly, K. Letter to the Editor. Arch Environ Contam Toxicol 68, 1–3 (2015).

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