01373nam 2200337Ka 450 991069676330332120080710114129.0(CKB)5470000002381237(OCoLC)233638561(EXLCZ)99547000000238123720080710d2006 ua 0engtxtrdacontentcrdamediacrrdacarrierSelf-contained self-rescuer long term field evaluation[electronic resource] combined eighth and ninth phase results[Pittsburgh, Pa.] :Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,[2006]51 unnumbered pages digital, PDF fileReport of investigations ;9671Title from title screen (viewed on July 9, 2008)."October 2006."Self-contained self-rescuer long term field evaluation Self-contained self-rescuer (Mine rescue equipment)TestingSelf-contained self-rescuer (Mine rescue equipment)Testing.National Institute for Occupational Safety and Health.GPOGPOBOOK9910696763303321Self-contained self-rescuer long term field evaluation3530083UNINA