01775oam 2200433Ka 450 991069682300332120080729074724.0(CKB)5470000002382655(OCoLC)236464319(OCoLC)995470000002382655(EXLCZ)99547000000238265520080729d2008 ua 0engtxtrdacontentcrdamediacrrdacarrierStrengthening existing 20-psi mine ventilation seals with carbon fiber-reinforced polymer reinforcement[electronic resource] /by Eric S. Weiss and Samuel P. Harteis[Pittsburgh, Pa.?] :Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory,[2008]38 pages digital, PDF fileReport of investigations ;9673DHHS (NIOSH) publication ;No. 2008-106Title from title screen (viewed on July 28, 2008)."January 2008."Mine ventilationEquipment and suppliesPolymeric compositesSealing (Technology)Mine ventilationEquipment and supplies.Polymeric composites.Sealing (Technology)Weiss E. S(Eric S.)1386102Harteis Samuel P1386103Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOGPOBOOK9910696823003321Strengthening existing 20-psi mine ventilation seals with carbon fiber-reinforced polymer reinforcement3434727UNINA01892oam 2200433Ia 450 991069675620332120220715121317.0(CKB)5470000002381309(OCoLC)221911661(EXLCZ)99547000000238130920080410d2008 ua 0engurmn||||m||||txtrdacontentcrdamediacrrdacarrierMethods and sources of data used to develop selected water-quality indicators for streams and ground water for the 2007 edition of the State of the Nation's Ecosystems Report with comparisons to the 2002 edition[electronic resource] /by John T. Wilson ... [and others]Reston, Va. :U.S. Geological Survey,2008.x, 61 pages digital, PDF file +26 appendicesOpen-file report ;2008-1110Title from PDF title screen (viewed on Apr. 9, 2008)."National Water-Quality Assessment Program."Includes bibliographical references.Water qualityResearchUnited StatesWater qualityUnited StatesData processingWaterPollutionUnited StatesMeasurementWater qualityResearchWater qualityData processing.WaterPollutionMeasurement.Wilson John T(John Thomas),1963-1397119National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GISGISGPOBOOK9910696756203321Methods and sources of data used to develop selected water-quality indicators for streams and ground water for the 2007 edition of the State of the Nation's Ecosystems Report with comparisons to the 2002 edition3473511UNINA