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may be applied. <br />FN 2 -The amount may be doubled when dispensed or used in closed <br />containers or systems. When footnote ~ also applies, the <br />increase for both footnotes may be applied. <br />FN 3 -The quantities permitted in a sprinklered building are not <br />limited. <br />FN 4 - A dust explosion potential is considered to exist if one <br />pound or mere of combustible dust per 1,000 cubic feet of <br />volume is normally in suspension or could be put into sus- <br />pension in all or a portion of an enclosure. This includes <br />inside pieces of equipment. This al s0 includes combustible <br />dust which accumulates on horizontal surfaces inside bui l d- <br />ings or equipment and which could be put into suspension by <br />an accident, sudden force, or small explosion. <br />FN 5 - Permitted in sprinklered buildings only. No amount is allow- <br />ed in unsprinklered buildings. <br />FN 6 -Containing not more than the exempt amounts of Class I-A, <br />I-B or I-C flammable liquids. <br />Table 80.4a~ - B <br />Exempt Amounts of Hazardous Materials Presenting a Health Hazard <br />Maximum Quantities er Control Area <br />_ .terns 0 en S stems <br />C a s e Sy s,,.._._ <br />Solid Liquid Gas Solid Liquid Gas <br />Material 1 bs al 1 bs cuft 1 bs al 1 bs cuft <br />Carcinogen As Regulated by Federal DSHA or State OSHA Guidelines <br />Corrosive 50001} 5002,3} 6502} 10001} 1003} 0 <br />Highly Toxic 1 1 ~0~4} 1/41} X1/4} 0 <br />Irritant 5000 500 6502} 10001} 100 0 <br />Radioactive ----Amounts Requiring a Permit - See Sec. 4.101--- <br />Sensitizer 5000 500 650~~} 10001} 100 0 <br />Other Health <br />Hazard 5000 500 fi 502} 10001} 100 0 <br />FN 1 -The amount may be doubled i n sprinklered bui 1 di ngs. When <br />footnote 2 also applies, the increase for both footnotes may <br />be applied . <br />FN 2 - The amount may be doubled when dispensed or used in closed <br />containers or systems. When footnote 1 also applies, the <br />increase for both footnotes may be applied, <br />FN 3 -Containment shall be provided and shall be arranged so that <br />sprinkler discharge cannot overflow and mix materials which <br />are not compatible. <br />FN 4 - Permitted only when stored in approved, exhausted gas cabi- <br />nets. See Section 80.303~a}S.B. <br />FN 5 - Licensed, sealed sources in instrument calibration devices <br />and equipment. <br />fib} Indoor Dis ensin and Use. <br />1. General. Indoor dispensing and use of hazardous <br />materials shall be in accordance with the provisions of this <br />subsection and the general previsions specified in Section <br />80.401. <br />Ordinance -fib <br />