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� � a� �� �� �� �� �� �� wf �■� � �� � �� ■� w� was <br /> AIR-SPARGE/VAPOR EX TRACTION REMEDIA TION 5 Y5 TEM <br /> ---� ---- INFLUENT AIR CONCENTRA TIONS OVER TIME <br /> 4 000 <br /> 3,500 -- — <br /> 3,000 - - <br /> z <br /> TIIH a5 GASOLINE <br /> Ch 2 500 --- —---- - - -— - - <br /> 1 <br /> L 2,000 - -- - - --- <br /> O v <br /> 1 500 - - - - - - --— - - — <br /> z <br /> w <br /> U <br /> z <br /> 1 000 - - -- - - - -- -- - - —— ----- - -- - - <br /> 500 - - -- - - - ---- - - -- <br /> 0 <br /> 1130102 2121102 3125102 4/23/02 5122102 6119102 7126102 9116102 10124102 11127102 <br /> DATE THE INFLUENT AIR SAMPLE.WAS COLLECTED <br />