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Butane Results - AEGL Program

Butane 106-97-8 (Final)
    ppm      
  10 min 30 min 60 min 4 hr 8 hr
AEGL 1 ** 6,900* 5,500* 5,500* 5,500*
AEGL 2 *** ** ** ** **
AEGL 3 *** *** *** *** ***

Lower Explosive Limit = 19,000 ppm
* = >10% LEL; ** = >50% LEL; *** = >100% LEL
AEGL 1 - 10 min = ** 10,000 ppm
AEGL 2 - 10 min = *** 24,000 ppm; 30 min/60 min/4 hr/8 hr = ** 17,000 ppm
AEGL 3 - 10 mins = *** 77,000 ppm; 30 min/60 min/4 hr/8 hr = *** 53,000 ppm
For values denoted as * safety considerations against the hazard(s) of explosion(s) must be taken into account.
For values denoted as ** and *** extreme safety considerations against the hazard(s) of explosion(s) must be taken into account. 

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