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035   $a(EXLCZ)995470000002417803
100   $a20120209d2010      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aMine operator requirements for exposure monitoring of harmful airborne contaminants$b[electronic resource]
210  1$a[Arlington, Va.] :$c[U.S. Dept. of Labor, Mine Safety and Health Administration],$d[2010]
215   $a1 online resource (3 pages)
225 1 $aProgram policy letter ;$vno. P10-IV-2
300   $aTitle from title screen (viewed on Feb. 9, 2012).
300   $a"Effective date 10/22/2010."
300   $a"Expiration date 03/31/2012."
606   $aMine safety$zUnited States
606   $aMine dusts$zUnited States
606   $aMiners$xHealth and hygiene$zUnited States
615  0$aMine safety
615  0$aMine dusts
615  0$aMiners$xHealth and hygiene
712 02$aUnited States.$bMine Safety and Health Administration.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910701326703321
996   $aMine operator requirements for exposure monitoring of harmful airborne contaminants$93093321
997   $aUNINA