§ 63.5490 What parts of my plant does this subpart cover?

(a) This subpart applies to each new, reconstructed, or existing affected source for the Miscellaneous Viscose Processes and Cellulose Ethers Production source categories.

(b) The affected source for the Miscellaneous Viscose Processes source category is each cellulose food casing, rayon, cellulosic sponge, or cellophane operation, as defined in § 63.5610. The affected source for the Cellulose Ethers Production source category is each cellulose ether operation, as defined in § 63.5610.

(c) You must consider storage vessels to be part of your process unit, as defined in § 63.5610, under either of the conditions described in paragraphs (c)(1) and (2) of this section. Otherwise, you may assign your storage vessels according to paragraph (c)(3) or (4) of this section.