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ITIT <br />A) Coal tar is a, thick, b l,ack or brown, liquid thati's-RI <br />byproduct of tile carboni"zation of coal �for the steel <br />III dustry or the gasification ofcoal to, make coal gas. <br />Q) natis the difference between crude coal tar, <br />coal-tarpitch, and "'refined.' coaltar? <br />Q) How can I tell ifiaproduct contains coal tar.? <br />A) 'Itse on roads ii s extremely rare. Occasionally a <br />A, <br />private property, siuch as a housing a development,, will <br />,choose to have ftnwvm�� �w—�-�: <br />A) Several Jurisdictions.) mcl,uding the City of Aus <br />'Texas, the City of Washington,, D.C.,, Dane County,, <br />Wisconsin,, and several suburbs of Minneapolis, I <br />Nfinnesiota,, have banned use of coal-tar-based <br />sealcoat. Sinn"lar bians, are under consideration in <br />other 'urisdictions. <br />i <br />For more, information on USGS research, on, PA H's and <br />coal-tar-based se coat go to http://i`x .us gs.govl corm gl <br />allthingssealcoat.htmL <br />Publishliinlg support provided by <br />Lafayette Pubiliis�hing Service Center <br />Any use of trade, product, or firm nwnes is for descriptive purposes <br />only and does not imply endorsement by the U.S. Government. <br />