§ 710.4 Scope of the inventory.
(a) Chemical substances subject to these regulations. Only chemical substances which are manufactured, imported, or processed “for a commercial purpose,” as defined in § 710.3(d), are subject to these regulations.
(b) Naturally occurring chemical substances automatically included. Any chemical substance which is naturally occurring and:
(1) Which is (i) unprocessed or (ii) processed only by manual, mechanical, or gravitational means; by dissolution in water; by flotation; or by heating solely to remove water; or
(2) Which is extracted from air by any means, will automatically be included in the inventory under the category “Naturally Occurring Chemical Substances.” Examples of such substances are: raw agricultural commodities; water, air, natural gas, and crude oil; and rocks, ores, and minerals.
(c) Substances excluded by definition or section 8(b) of TSCA. The following substances are excluded from the inventory:
(1) Any substance which is not considered a “chemical substance” as provided in subsection 3(2)(B) of the Act and in the definition of “chemical substance” in § 710.3(d);