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= = = M = <br /> Table 5 <br /> AMBIENT AIR VOLATILE ORGANIC COMPOUND DATA <br /> Volatile Organic Compound I (VOC) Concentration <br /> Sample Number/ Sample (ppb)2 <br /> Type/Location3 Date VC BENZ EDB DCA MECL PCE CCL4 TCA TCE CHCL3 <br /> AA-1/24 HR UP 02/17/88 NO 4 0.4 NO NO NO NO NO 0.2 NO NO <br /> AA-2/WD UP 5 02/17/88 NO 6 0.6 NO NO NO NO 0.1 0.3 NO NO <br /> AA-3/24 HR OWN 02/17/88 NS NS NS NS NS NS NS NS NS NS <br /> AA-4/WD OWN 02/17/88 NO 0.2 NO NO NO NO NO 0.2 NO NO <br /> AA-6/24 HR UP 03/02/88 NO 0.6 NO NO 2.2 0.2 0.09 0.5 0.5 NO <br /> AA-7/WD UP 03/02/88 NO 0.7 NO NO 2.0 0.2 0.07 0.4 NO 0.2 <br /> AA-8/24 HR OWN 03/02/88 NO 0.7 NO NO 0.9 0.2 0.1 1.6 1.0 0.1 <br /> AA-9/WD OWN 03/02/88 NO 0.6 NO NO 2.7 0.1 0.08 0.9 NO 0.2 <br /> AA-11/24 HR UP 03/03/88 ND 0.5 NO NO 1.8 0.3 0.1 0.7 0.4 NO <br /> AA-12/WD UP 7 03/03/88 NO 0.6 NO NO 1.5 NO 0.1 1.0 NO NO <br /> AA-13/24 HR OWN 03/03/88 NO 1.5 NO NO 58 0.3 NO 38 0.5 0.3 <br /> AA-14/WD OWN 03/03/88 NO 1.1 NO NO 4.0 0.3 0.2 3.7 0.2 NO <br /> Regulatory <br /> Detection Limits 2 2 0.5 0.2 1 0.2 0.2 0.5 0.6 0.8 <br /> Laboratory <br /> Detection Limits 0.2 0.09 0.06 0.1 1.0 0.1 0.07 0.08 0.09 0.09 <br /> 1. VC - vinyl chloride PCE - tetrachloroethylene <br /> BENZ - benzene CCL4 carbon tetrachloride <br /> EDB - ethylene dibromide TCA - 1,1,1-trichloroethane <br /> DCA - 1,2-dichloroethane TCE - trichloroethylene <br /> MECL - methylene chloride CHCL3 - chloroform <br /> 2. ppb - parts per billion <br /> 3. 24 HR - 24-hour sampler UP upwind <br /> WD - wind directional sampler OWN downwind <br /> 4. NO - not detected <br /> 5. Invalid sample <br /> 6. NS - no sample <br /> 7. Very limited sample volume <br /> PJ9 9390304.00D 3-3 Rev. 0 09/20/88 <br />