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Electronic Code of Federal Regulations

e-CFR data is current as of December 12, 2019

Title 40Chapter ISubchapter CPart 63Subpart CCCC → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart CCCC—National Emission Standards for Hazardous Air Pollutants: Manufacturing of Nutritional Yeast


Table 1 to Subpart CCCC of Part 63—Emission Limitations

For each fed-batch fermenter producing yeast in the following fermentation stage .  .  .98-percent option: You must not exceed the following VOC emission limitationa according to the timeline in Table 7 to this subpart .  .  .Average option: You must not exceed the following VOC emission limitationa according to the timeline in Table 7 to this subpart .  .  .Batch option: You must not exceed the following VOC emission limitationa according to the timeline in Table 7 to this subpart .  .  .
Last stage100 ppmv (measured as propane) for BAVOC for at least 98 percent of all batches in each 12-month calculation period described in §63.2171(b) and (e)95 ppmv (measured as propane) for the average BAVOC of all batches in this stage in each 12-month calculation period described in §63.2171(c) and (e)100 ppmv (measured as propane) for BAVOC for each batch.
Second-to-last stage200 ppmv (measured as propane) for BAVOC for at least 98 percent of all batches in each 12-month calculation period described in §63.2171(b) and (e)190 ppmv (measured as propane) for the average BAVOC of all batches in this stage in each 12-month calculation period described in §63.2171(c) and (e)200 ppmv (measured as propane) for BAVOC for each batch.
Third-to-last stage300 ppmv (measured as propane) for BAVOC for at least 98 percent of all batches in each 12-month calculation period described in §63.2171(b) and (e)285 ppmv (measured as propane) for the average BAVOC of all batches in this stage in each 12-month calculation period described in §63.2171(c) and (e)300 ppmv (measured as propane) for BAVOC for each batch.

aThe emission limitation does not apply during the production of specialty yeast.

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