On October 17, 2019, the Austin City Council passed an amendment to the coal tar ban ordinance changing the definition from coal tar containing products to high PAH (polycyclic aromatic hydrocarbons) pavement products. The amended ordinance went into effect January 1st, 2020. The ordinance prohibits the sale and use of pavement products with more than .1% (1000 ppm) PAH by weight within the City and its ETJ (extra territorial jurisdiction).
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