Trace metals: Unknown, unseen pollution threat

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dc.acquisition-srcDownloaded from-Water Resources Abstractsen_US
dc.call-noen_US
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dc.contributor.otherChemical and Engineering News, Vol 49, No 29, P 29-30, 33, Jul 19, 1971 3 P, 2 Fig, 1 Taben_US
dc.date.accessioned2010-02-15T17:15:18Z
dc.date.available2010-02-15T17:15:18Z
dc.date.issued1933 Jul 19en_US
dc.degreeen_US
dc.descriptionVOL-30en_US
dc.description-otheren_US
dc.description.abstractMANY CHEMICAL COMPANIES ARE NOW CONDUCTING INTERNAL SURVEYS TO HUNT DOWN POSSIBLY HARMFUL TRACE ELEMENTS IN THEIR PROCESSES. DOW CHEMICAL, BASF WYANDOTTE, GEORGIA-PACIFIC, KAISER ALUMINUM AND CHEMICAL, AND WEYERHAEUSER ALL HAVE SUCH SURVEYS UNDER WAY. IN DOW'S CASE, 30 ELEMENTS ARE ON THE CHECK LIST, INDICATING THE DIVERSITY OF TRACE ELEMENTS THAT MAY BE INVOLVED IN TYPICAL CHEMICAL PROCESSES. IN MOST CASES LITTLE IS KNOWN ENVIRONMENTAL HAZARDS THESE ELEMENTS MAY EXPOSE. THE ELEMENTS ON DOW'S LIST ARE CHROMIUM, CADMIUM, ZINC, ARSENIC, NICKEL, LEAD, ANTIMONY, COPPER, THORIUM, COBALT, RUTHENIUM, SELENIUM, TELLURIUM, BORON, TIN, STRONTIUM, CESIUM, BARIUM, MANGANESE, SILVER, BERYLLIUM, MAGNESIUM, THALLIUM, YTTRIUM, RUBIDIUM, CERIUM, MOLYBDENUM, OSMIUM, VANADIUM, AND BISMUTH. THE TEXAS WATER QUALITY BOARD HAS FOUND THAT 1600 POUNDS PER DAY OF LEAD, 7900 POUNDS PER DAY OF ZINC, 5000 POUNDS PER DAY OF CADMIUM, AND 300 POUNDS PER DAY OF CHROMIUM WERE DISCHARGED PRIMARILY TO THE HOUSTON SHIP CHANNEL IN 1969. THE OBSERVED CONCENTRATIONS WERE GROSSLY IN EXCESS OF THOSE OCCURRING IN NATURE--MORE THAN 63,000 TIMES FOR LEAD, 15 FOR CADMIUM, AND 108,000 FOR CHROMIUM. (WOODARD-USGS)en_US
dc.description.urihttp://gbic.tamug.edu/request.htmen_US
dc.historyen_US
dc.identifier.urihttp://hdl.handle.net/1969.3/23193
dc.latitudeen_US
dc.locationen_US
dc.longitudeen_US
dc.notesen_US
dc.placeen_US
dc.publisheren_US
dc.relation.ispartofseries50767.00en_US
dc.relation.urien_US
dc.scaleen_US
dc.seriesen_US
dc.subject*CHEMICAL WASTESen_US
dc.subject*METALSen_US
dc.subject*POLLUTANTSen_US
dc.subject*POLLUTION ABATEMENTen_US
dc.subject*TRACE ELEMENTSen_US
dc.subject*TRACE METALSen_US
dc.subjectAIR POLLUTIONen_US
dc.subjectCADMIUMen_US
dc.subjectCHROMIUMen_US
dc.subjectCOPPERen_US
dc.subjectECOLOGYen_US
dc.subjectEnvironmental Effectsen_US
dc.subjectHoustonen_US
dc.subjectHouston Ship Channelen_US
dc.subjectIndustrial wastesen_US
dc.subjectLEADen_US
dc.subjectPOLLUTIONen_US
dc.subjectRESEARCH AND SOURCESen_US
dc.subjectSW 3010 Identification of pollutantsen_US
dc.subjectSW 3020 Sources and fate of pollutionen_US
dc.subjectSW 3030 Effects of pollutionen_US
dc.subjectTexasen_US
dc.subjectWATERen_US
dc.subjectWATER POLLUTIONen_US
dc.subjectWater qualityen_US
dc.subjectZINCen_US
dc.titleTrace metals: Unknown, unseen pollution threaten_US
dc.typeJournalen_US
dc.universityen_US
dc.vol-issue()en_US

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