LEADER 01681oam  2200433 a 450 
001 9910701327403321
005 20120210122317.0
035   $a(CKB)5470000002417796
035   $a(OCoLC)775787655
035   $a(EXLCZ)995470000002417796
100   $a20120210d2010      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aProcedures for revoking MSHA certifications to take respirable dust samples or to maintain and calibrate approved dust sampling devices$b[electronic resource]
210  1$a[Arlington, Va.] :$c[U.S. Dept. of Labor, Mine Safety and Health Administration],$d[2010]
215   $a1 online resource (8 pages)
225 1 $aProgram policy letter ;$vno. P09-V-08
300   $aTitle from title screen (viewed on Feb. 9, 2012).
300   $a"Effective date 08/12/09."
300   $a"Expiration date 03/31/2011."
606   $aCoal mines and mining$xDust control$zUnited States
606   $aMines and mineral resources$zUnited States
606   $aMine dusts$zUnited States$xMeasurement
606   $aMine safety$zUnited States
615  0$aCoal mines and mining$xDust control
615  0$aMines and mineral resources
615  0$aMine dusts$xMeasurement.
615  0$aMine safety
712 02$aUnited States.$bMine Safety and Health Administration.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910701327403321
996   $aProcedures for revoking MSHA certifications to take respirable dust samples or to maintain and calibrate approved dust sampling devices$93093328
997   $aUNINA