Article 2. Definitions of California Labor Code >> Division 5. >> Part 1. >> Chapter 2.5. >> Article 2.

Unless the context otherwise requires, the definitions in this article and the provisions of Article 1 shall govern the construction of provisions of this chapter.
"CAS number" means the unique identification number assigned by the Chemical Abstracts Service to specific chemical substances.
"Chemical name" is the scientific designation of a substance in accordance with the nomenclature system developed by the International Union of Pure and Applied Chemistry or the system developed by the Chemical Abstracts Service.
"Common name" means any designation or identification such as code name, code number, trade name, or brand name used to identify a substance other than by its chemical name.
"Expose" or "exposure" means any situation arising from work operation where an employee may ingest, inhale, absorb through the skin or eyes, or otherwise come into contact with a hazardous substance; provided, that such contact shall not be deemed to constitute exposure if the hazardous substance present is in a physical state, volume, or concentration for which it has been determined pursuant to Sections 6382 and 6390 that there is no valid and substantial evidence that any adverse acute or chronic risk to human health may occur from such contact.
"Impurity" means a hazardous substance which is unintentionally present with another substance or mixture.
"Manufacturer" means a person who produces, synthesizes, extracts, or otherwise makes a hazardous substance.
"Mixture" means any solution or intimate admixture of two or more substances, at least one of which is present as a hazardous substance, as designated pursuant to Sections 6382 and 6383, which do not react chemically with each other.
"MSDS" means a material safety data sheet prepared pursuant to Section 6390. A label in 8-point or larger type, prepared pursuant to Section 6390, shall constitute an MSDS for the purposes of this chapter.