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fangyuan2004

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????????????????§³??LC50?s??????5.7g/m3;???????8.28g/m3;???????11.56g/m3??????????????????F?}??????????B???????S????P??????????????D?????y???????????1§³?r???_????F????????????§Ø??t?????????????????????B??4§³?r???_????F??????????z??????????§Ø????????????????B????p?????[??????????????????????^????????????????????????§Ø??????§á?????¦±??I?p?????l?????????????

???N???????????w??????????????§Ó???????????¨¢???????|200mg/m3?????????? ê????F????????????40??????????0.1ml????????????3?????????????????????????????????[???????U??????????r?????

????????????§à??s??98???????o????§³???????????o??????2§³?r??2???????z??????l?F?????????????g?|??????????????^????????????????l???[????????????????????????????g?|???w?S?????????????????????????????????????????????}??s??????M????I??|§³????????[?????X??|??????????????§³?X??????????????????????w?S?Y??????????????¦±??I???X????????????????5.7g/m3??4487ppm????M?????F????12.8g/m3??10096ppm???M?????@???K???????§³?c?q???????????5.7g/m3??M???§Ñ?????§³????F???????????w?????????B????????????????w?s§³??????????W?????????

?????????12.7mg/m3??????????18.4mg/m3??????????24.2mg/m3 ?r?H????????L????|?????w?o???????????????2??10???r????¦Æ?????????????~?????????????????????????|?????????????????????????10??50???r?????y??????¦Æ???????????Xîö?0.5-1mg/m3?????îö?10mg/m3????????????Xîö?2.5mg/m3?????îö?50mg/m3?????X?m????l???????????s??7???????????????????¦Æ??

?????g????§Þ??????????S????MAC????5mg/m3??

??????I????l????????OSHA???????S???|?????PEL????10ppm??13mg/m3????

???????????I?l???W????h??AGGIH??????????TLV????10ppm??13mg/m3?????K???h??1??????????????3????TLV????r?g???????^15?? Ú????¦Ê¦¥r??????^5??TLV??????????I????l???§à?????NIOSH?????x?????????????????¦²???????????????IDLH????100ppm??

?K?????????S????MAC????1mg/m3??0.8ppm????1977????
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