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0 0 9 <br />Table 5 <br />AMBIENT AIR VOLATILE ORGANIC COMPOUND DATA <br />Sample Number/ Sample Volatile Organic Compound Concentration (,ppb) <br />Type/Location Date VC BENZ EDB DCA MECL PCE CCL4 TCA TCE CHCL3 <br />AA -1 24 HR UP <br />2/23/88 <br />ND <br />0.6 ND NO <br />ND <br />0.2 <br />ND <br />0.2 <br />NO <br />NO <br />AA -2 WD UP <br />2/23/88 <br />ND <br />0.5 NO ND <br />ND <br />0.4 <br />ND <br />0.2 <br />NO <br />ND <br />AA -3 24 HR DWN <br />2/23/88 <br />ND <br />0.6 ND ND <br />1.1 <br />0.3 <br />NO <br />0.3 <br />0.8 <br />NO <br />AA -4 WD OWN <br />2/23/88 <br />NO <br />0.2 ND NO <br />NO <br />ND <br />ND <br />0.2 <br />ND <br />NO <br />AA -6 24 HR UP <br />2/24/88 <br />ND <br />0.3 ND NO <br />ND <br />NO <br />NO <br />0.3 <br />NO <br />NO <br />AA -7 WD UP <br />2/24/88 <br />ND <br />0.4 ND NO <br />ND <br />ND <br />ND <br />0.2 <br />ND <br />NO <br />AA -8 24 HR OWN <br />2/24/88 <br />NO <br />0.7 ND ND <br />1.1 <br />NO <br />ND <br />0.5 <br />0.7 <br />NO <br />AA -9 WO OWN <br />2/24/88 <br />NO <br />NO ND NO <br />NO <br />ND <br />ND <br />NO <br />NO <br />NO <br />AA -11 24 HR UP <br />2/25/88 <br />NO <br />0.5 ND NO <br />ND <br />ND <br />NO <br />0.3 <br />ND <br />NO <br />AA -12 WD UP <br />2/25/88 <br />ND <br />0.8 ND NO <br />NO <br />NO <br />ND <br />0.3 <br />NO <br />ND <br />AA -13 24 HR OWN <br />2/25/88 <br />ND <br />0.8 NO NO <br />1.9 <br />0.1 <br />0.09 <br />NO <br />NO <br />NO <br />AA -14 WD OWN <br />2/25/88 <br />ND <br />0.7 ND NO <br />1.7 <br />0.2 <br />0.09 <br />0.5 <br />0.2 <br />ND <br />Regulatory Detection Limit <br />2 <br />2 0.5 0.2 <br />1 <br />0.2 <br />0.2 <br />0.5 <br />0.6 <br />0.8 <br />Laboratory Detection Limit <br />0.2 <br />0.09 0.06 0.1 <br />1.0 <br />0.1 <br />0.07 <br />0.08 <br />0.09 <br />0.09 <br />Abbreviations: <br />VC = vinyl chloride <br />PCE <br />= tetrachloroethylene <br />24 <br />HR = 24-hour <br />continuous <br />BENZ = benzene <br />CCL4 <br />= carbon tetrachloride <br />WD <br />= wind direction <br />EDB = ethylene dibromide <br />TCA <br />= 1,1,1 -trichloroethane <br />OWN <br />= downwind <br />OCA = 1,2-dichloroethane <br />TCE <br />= trichloroethylene <br />UP <br />= upwind <br />MECL = methylene chloride <br />CHCL3 <br />= chloroform <br />ND = not detected <br />ppb <br />= parts per billion <br />PJ9 9390405.00D 3-3 Rev. 0 09/07/88 <br />