Chemical preparation
Chemical preparation means a target HAP-containing product, or intermediate used in the manufacture of other products, manufactured in a process operation described by the NAICS code 325998 if the operation manufactures target HAP-containing products or intermediates other than indelible ink, India ink, writing ink, and stamp pad ink. Indelible ink, India ink, writing ink, and stamp pad ink manufacturing operations are subject to regulation by the paints and allied products area source rule (40 CFR part 63, subpart CCCCCCC).