1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  6. Subpart OOOO - National Emission Standards for Hazardous Air Pollutants: Printing, Coating, and Dyeing of Fabrics and Other Textiles
  7. 40 CFR Table 5
40 CFR Table 5
Default Organic HAP Mass Fraction for Petroleum Solvent Groups
June 9, 2020
CFR

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:

Open Table
Solvent type Average
organic HAP mass
fraction		 Typical organic HAP, percent by mass
Aliphaticb 0.03 1% Xylene, 1% Toluene, and 1% Ethylbenzene.
Aromaticc 0.06 4% Xylene, 1% Toluene, and 1% Ethylbenzene.

aUse this table only if the solvent blend does not match any of the solvent blends in Table 4 to this subpart and you only know whether the blend is aliphatic or aromatic.

bMineral 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.

cMedium-flash Naphtha, High-flash Naphtha, Aromatic Naphtha, Light Aromatic Naphtha, Light Aromatic Hydrocarbons, Aromatic Hydrocarbons, Light Aromatic Solvent.

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Table 4 Default Organic HAP Mass Fraction for Solvents and Solvent Blends
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Table 6 List of Hazardous Air Pollutants That Must Be Counted Toward Total Organic HAP Content if Present at 0.1 Percent or More by Mass

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