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Ordinance No. 2241 Page 35 of 60 Section 6004.3.2 is hereby amended to read: 6004.3.2 General outdoor requirements. The general requirements applicable to the outdoor storage and use of highly toxic,toxic and moderately toxic gases shall be in accordance with Sections 6004.3.2.1 through 6004.3.2.4. Moderately toxic gases with an LC50 equal to or less than 3000 parts per million shall comply with the requirements for toxic gases in Sections 5001, 5003, 6001, 6004.1 and 6004.3. Moderately toxic gases with an LC50 more than 3000 parts per million but not greater than 5000 parts per million and exceeding the maximum threshold quantity, as determined by 6004.1.6, shall comply with the requirements for toxic gases in Sections 5001, 5003, 6001, 6004.1 and 6004.3.2.1 through 6004.3.2.4. Moderately toxic gases shall not be considered as toxic gases for maximum allowable quantities determinations under Table 5003.1.1(2). 20.24.610 CFC Section 6004.3.3 amended—Outdoor storage weather protection for portable tanks and cylinders. Section 6004.3.3 is hereby amended to read: 6004.3.3 Outdoor storage weather protection for portable tanks and cylinders. Weather protection in accordance with Section 5004.13 shall be provided for portable tanks and cylinders located outdoors and not within gas cabinets or exhausted enclosures. The storage area shall be equipped with an approved .automatic sprinkler system in accordance with Section 5004.5.(Exceptions deleted)