What are alternatives to coal-tar?

Asphalt-based sealants are a readily available alternative to coal tar-based sealants, and numerous studies by the United States Geological Survey (USGS) have shown that asphalt-based sealants have significantly lower concentrations of PAHs and therefore a lower risk for causing harm to humans and wildlife (USGS 2015). 

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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?