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RECEIVED 18. Basic oxygen furnace and open hearth furnace slag from carbon steel production; AUG U 5 2014 19. Chloride process waste solids from titanium tetrachloride production; ENVIRONMENTAL HEALTH 20. Slag from primary zinc processing. DEPARTMENT (B) Waste from the extraction, benefication, and processing of ores and minerals, as those terms are defined in Health and Safety Code section 25143.1, which would otherwise be classified as a non- RCRA hazardous waste pursuant to section 66261.101, is not subject to the requirements of this division or of Chapter 6.5 of the Health and Safety Code. However, these wastes remain subject to Article 9.5 of Chapter 6.5 of the Health and Safety Code if the wastes would otherwise be classified as hazardous wastes pursuant to section 25117 of the Health and Safety Code or to this division. (C) A waste residue derived from co -processing of the mineral processing secondary materials as listed above under paragraph (b)(5)(A) of this section with normal beneficiation raw materials or with normal mineral processing raw materials shall remain excluded as a hazardous waste under paragraph (b) of this section and pursuant to section 25143.1 of the Health and Safety Code if the owner or operator does the following: 1. Processes at least 50 percent by weight normal beneficiation raw materials or normal mineral processing raw materials; and, 2. Legitimately reclaims the secondary mineral processing materials. (c) hazardous wastes which are exempted from certain regulations. A hazardous waste which is generated in a product or raw material storage tank, a product or raw material transport vehicle or vessel, a product or raw material pipeline, or in a manufacturing process unit or an associated non - waste -treatment -manufacturing unit, is not subject to regulation under this division or to the notification requirements of Health and Safety Code section 25153.6 until it exits the unit in which it was generated, unless the unit is a surface impoundment, or unless the hazardous waste remains in the unit more than 90 days after the unit ceases to be operated for manufacturing, or for storage or transportation of product or raw materials. The exemption in this subsection applies only to the hazardous waste generated in the above-named tanks, not to the tanks themselves, The tanks remain subject to the requirements of chapter 32 if the tank is a hazardous waste pursuant to article 3 of chapter 11 of this division. (d) samples; (1) except as provided in subsection (d)(2) of this section, a sample of waste or a sample of water, soil, or air, which is collected for the sole purpose of testing to determine its characteristics or composition, is not subject to any requirements of this division or to the notification requirements of Health and Safety Code section 25153.6 when: (A) the sample is being transported to a laboratory for the purpose of testing; or (B) the sample is being transported back to the sample collector after testing; or (C) the sample is being stored for less than 90 days by the sample collector before transport to a laboratory for testing; or (D) the sample is being stored in a laboratory before testing; or (E) the sample is being stored in a laboratory after testing but before it is returned to the sample collector; or (F) the sample is being stored temporarily in the laboratory after testing for a specific purpose (for example, until conclusion of a court case or enforcement action where further testing of the sample may be necessary). 0