LEADER 01554oam  2200433 a 450 
001 9910701875303321
005 20120524120347.0
035   $a(CKB)5470000002421353
035   $a(OCoLC)794227711
035   $a(EXLCZ)995470000002421353
100   $a20120524d2010      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aBrass compressed gas cylinder valves and associated fittings used in refuge alternatives$b[electronic resource]
210  1$a[Arlington, Va.] :$c[U.S. Dept. of Labor, Mine Safety and Health Administration],$d[2010]
215   $a1 online resource (10 unnumbered pages)
225 1 $aProgram policy letter ;$vno. P11-V-17
300   $aTitle from title screen (viewed on May 24, 2012).
300   $a"Effective date 11/04/2011."
300   $a"Expiration date 03/31/2013."
606   $aCoal mines and mining$zUnited States
606   $aMines and mineral resources$zUnited States
606   $aMine accidents$zUnited States
606   $aMine safety$zUnited States
615  0$aCoal mines and mining
615  0$aMines and mineral resources
615  0$aMine accidents
615  0$aMine safety
712 02$aUnited States.$bMine Safety and Health Administration.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910701875303321
996   $aBrass compressed gas cylinder valves and associated fittings used in refuge alternatives$93157492
997   $aUNINA