What is the purpose of the ban?

The purpose of the ban is to protect the people and waterways of Warrenville. Coal tar is a known human carcinogen (USGS 2015) and very toxic to aquatic life. Coal tar is the single greatest source of polycyclic aromatic hydrocarbon (PAH) contamination in the West Branch of the DuPage, which runs through Warrenville. 

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1. When does the coal tar ban take effect?
2. What are PAHs?
3. What is the purpose of the ban?
4. What are alternatives to coal-tar?
5. Who does the ban affect?
6. What is coal tar sealant?
7. What’s the problem with coal-tar sealants?
8. Do pavement sealant professionals need to acquire a license to seal pavement in The City of Warrenville?
9. How do I know if a contractor uses coal tar sealants?
10. What if I want to seal my driveway myself?
11. What is the penalty for violating the ordinance?
12. Who can I contact if I have questions?
13. Where can I go for more information about coal-tar sealants?