ASPHALT OR TAR DISTILLING OR REFINING — including manufacture of products obtained from such distilling or refining and the saturation of paper or felt with tar or asphalt
This classification applies to the refining of raw asphalt and tar through a series of chemical reactions, including distillation, oxygenation, carbonization and catalytic cracking, to produce liquid asphalt base. The refined asphalt or tar may be combined with additives per customer order.
This classification is not applicable to chemical works or manufacturers of dyes or products used as explosives.
Felt or paper manufacturing or coke burning shall be separately classified.
Shown below is the previously published phraseology and footnote | Effective Date |
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Phraseology: Footnote: Felt or paper manufacturing or coke burning shall be separately classified. | 1/1/2014 |
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