?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F6415%2F&rft.title=Challenge+Studies+of+the+Pittsburgh+Distribution+Network+Pilot+Contamination+Warning+System&rft.creator=Hohman%2C+Brittany+Dawn&rft.description=The+security+and+safety+of+the+drinking+water+distribution+system+has+recently+generated+concern.+Accidental+and+intentional+contamination+by+chemical%2C+biological+and+radiological+contaminants+could+cause+major+consequences+for+the+consumer+because+clean+water+is+critical+to+the+nation's+infrastructure.+An+attack+on+the+water+supply+could+disable+an+entire+city.+Therefore%2C+it+is+necessary+to+develop+a+system+to+monitor+the+water+quality+to+ensure+the+water+is+safe+for+consumption.+In+an+attempt+to+protect+the+water+systems%2C+Pittsburgh+Water+and+Sewer+Authority+(PWSA)+initiated+research+to+test+the+various+instruments+within+a+Contaminant+Warning+System+(CWS).+The+system+measures+water+quality+and+triggers+an+alarm+for+deviation+in+the+quality.+The+different+methods+of+detection+utilized+in+the+study+include+turbidity%2C+chlorine%2C+pH%2C+conductivity%2C+TOC%2C+Online+gas+chromatography-mass+spectrometry%2C+ultra+violet+transmittance%2C+biomonitor%2C+and+a+pathogen+identification+system.The+contaminants+were+pumped+into+the+pilot+distribution+system+CWS%2C+and+the+responses+of+a+variety+of+online+monitors+were+evaluated.+The+contaminants+range+from+fluorosilicic+acid%2C+which+is+used+to+increase+the+fluoride+concentration+of+water%2C+to+a+nonpathogenic+species+of+Bacillus%2C+which+could+serve+as+a+model+for+Bacillus+anthracis%2C+the+bacterial+species+that+causes+the+disease+anthrax.+The+system+was+connected+to+main+transmission+lines+that+feed+downtown+Pittsburgh+with+drinking+water.+While+many+of+the+monitors+detected+one+or+more+contaminants%2C+at+least+one+of+the+devices+used+in+the+pilot+distribution+system+CWS+responded+all+of+the+contaminants.&rft.date=2009-06-29&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F6415%2F1%2FBrittany_Hohman_Thesis_2009.pdf&rft.identifier=++Hohman%2C+Brittany+Dawn++(2009)+Challenge+Studies+of+the+Pittsburgh+Distribution+Network+Pilot+Contamination+Warning+System.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++