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AIR SAMPLING - TRACY <br /> E: <br /> Carbon <br /> Measurements zvitbin a 24-hour period reported in micrograms per cubic meter. <br /> 80 - <br /> 70 . . . . .. • .. .. . . . . . . . . . . . . . . . . . . .. . .. . .. . . . . . . .. . . . - - -- - - - - • - - - - - - - - - - - - - - - -- - --- --- <br /> 60 <br /> v Distance From <br /> u <br /> � Fire Source <br /> v 50 <br /> �+ —0.25 miles: <br /> U southeast <br /> 40 E of fire <br /> ---i--1.50 rades- <br /> ea30 . .... . ...... . . ..t- -- - - - - - -- - - -- - -- - - - ---- - - - -- -- - - -- - - - - - - - - - -- - - - - - -- - - -- - - -- - -- - - - southeast <br /> V <br /> of fire <br /> 20 . .. . . . ... . . .. . . . .a. . . . . .. . . . . . ... `. . ... . . . '�� <br /> .%p '� - -A- 0.25 miles: <br /> - - t - - northwest <br /> of fire <br /> 10 - ;x <br /> 0 <br /> 8 9 11 12 13 14 <br /> Date of Sample Collection in August 1998 <br /> I}aoe of Sample '� 8/8 8/9 8/il 8/12 8J13 8/14 Normal for summer to the Northern Central Valle- <br /> is 5-10 nucrogtarns per cubic meter. <br /> Distance from fire source: <br /> 0.25 miks:southeast 69 12.8 20 17 22 11 Normal for,%-mter in the Northern Central Vallee <br /> 1.50 miles: southeast 7.9 9.4 17 1 10 it 5 is 40-60 micrograms per cubic rneter. <br /> 02S miles:northwest No simple. 15 1 11 14 Il <br />