Recipient microorganisms.

The following recipient microorganisms are eligible for either exemption under this subpart: (a) Acetobacter aceti. (b) Aspergillus niger. (c) Aspergillus oryzae. (d) Bacillus licheniformis. (e) Bacillus subtilis. (f) Clostridium acetobutylicum. (g) Escherichia coli K-12. (h) Penicillium roqueforti. (i) Saccharomyces cerevisiae. (j) Saccharomyces uvarum. (k) Trichoderma reesei strain QM6a and its derivatives used only in submerged standard industrial fermentation operations as defined at 40 CFR 725.3. (l) Bacillus amyloliquefaciens subsp. amyloliquefaciens. [62 FR 17932, Apr. 11, 1997, as amended at 85 FR 13772, Mar. 10, 2020]