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6003.1.5.3 Exhaust ventilation for closed systems.
Mechanical exhaust ventilation shall be provided for highly toxic and toxic liquids used in closed systems in accordance with FC 5005.2.2.2.
Exception: Liquids or solids that do not generate highly toxic or toxic fumes, mists or vapors.
6003.2 Outdoor storage, handling and use.
Outdoor storage, handling and use of highly toxic and toxic materials shall be in accordance with FC 6003.2.1 through 6003.2.6.
6003.2.1 Quantities not exceeding the maximum allowable quantity per control area.
The outdoor storage, handling or use of highly toxic and toxic solids or liquids in amounts not exceeding the maximum allowable quantity per control area indicated in FC Table 5003.1.1(4) shall be in accordance with FC 5001, 5003 and 6001.
6003.2.2 Quantities exceeding the maximum allowable quantity per control area.
The outdoor storage, handling or use of highly toxic and toxic solids or liquids in amounts exceeding the maximum allowable quantity per control area set forth in FC Table 5003.1.1(4) shall be in accordance with FC 6001 and 6003.2 and FC Chapter 50.
6003.2.3 General outdoor requirements.
The general requirements applicable to the outdoor storage of highly toxic or toxic solids and liquids shall be in accordance with FC 6003.2.3.1 and 6003.2.3.2.
6003.2.3.1 Location.
Outdoor storage, handling or use of highly toxic or toxic solids and liquids shall not be located within 20 feet (6096 mm) of lot lines, public streets, private roads, exit discharges or exterior wall openings. A 2-hour fire barrier wall without openings or penetrations extending not less than 30 inches (762 mm) above and to the sides of the storage is allowed in lieu of such distance. The fire barrier wall shall be either an independent structure or the exterior wall of the building adjacent to the storage area.
6003.2.3.2 Treatment system – highly toxic liquids.
Exhaust scrubbers or other systems for processing vapors of highly toxic liquid shall be installed where a spill or accidental release of such liquids can be expected to release highly toxic vapors at normal temperature and pressure (NTP). Treatment systems and other processing systems shall be installed in accordance with the construction codes, including the Mechanical Code.
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