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Current as of October 02, 2022 | Updated by FindLaw Staff
Use this table only if the solvent blend does not match any of the solvent blends in Table 3 to this subpart, and you only know whether the blend is aliphatic or aromatic.
You may use the mass fraction values in the following table for solvent blends for which you do not have test data or manufacturer's formulation data:
Solvent type | Average organic HAP mass fraction | Typical organic HAP, percent by mass |
---|---|---|
Aliphatic b | 0.03 | 1% Xylene, 1% Toluene, and 1% Ethylbenzene. |
Aromatic c | 0.06 | 4% Xylene, 1% Toluene, and 1% Ethylbenzene. |
b E.g., Mineral Spirits 135, Mineral Spirits 150 EC, Naphtha, Mixed Hydrocarbon, Aliphatic Hydrocarbon, Aliphatic Naphtha, Naphthol Spirits, Petroleum Spirits, Petroleum Oil, Petroleum Naphtha, Solvent Naphtha, Solvent Blend.
c E.g., Medium-flash Naphtha, High-flash Naphtha, Aromatic Naphtha, Light Aromatic Naphtha, Light Aromatic Hydrocarbons, Aromatic Hydrocarbons, Light Aromatic Solvent.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. IIII, Tbl. 4 Table 4 to Subpart IIII of Part 63—Default Organic HAP Mass Fraction for Petroleum Solvent Groups a] - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-63-subpt-iiii-tbl-4/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature or via Westlaw before relying on it for your legal needs.
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