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TABLE 1 <br />• PARTICUL ATE CONCENTRATIONS FOR <br /> DATA RECORDED FROM JANUARY 1, THROUGH MAY 31, 1963 <br /> COLORADO L9ESTh1ORELAND, COLORADO <br /> ORC HARD AND BLM SITE <br /> CONCENTRATIONS IN MICROGRAMS PER CUBIC METER <br /> JANUA RY FEBRUARY h1AY <br /> p~Y ORCHARD IILh1 ORCHARD ELM ORCHARD $j,pl <br /> 1 12 B <br /> 2 <br /> 3 ** 42 <br /> 4 <br /> 5 ** 29 <br /> - - - - - - <br />6 - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 7 <br /> 8 <br /> 9 9 ** <br /> 10 <br />- - - <br />- - - - - - - - - - - - <br />- - - - - <br />- - - <br /> - - - - - - <br />11 - - - <br /> 12 <br /> 13 25 7 <br /> 14 <br /> 15 <br />• 16- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 17 14 ** <br /> 18 <br /> 19 <br /> 20 <br />- <br />= <br />- - - - - - - - <br />- - - <br />- - - - - <br />- - - <br /> - - - - - - <br />21 - - - - <br />27 - <br />** <br /> 22 <br /> 23 <br /> 29 33 42 <br /> 25 <br />- 3 <br />- - - - - ** <br />- - - - - - - - - - - - <br />- - - - - <br />- - - <br /> - - - <br />- - <br />26 - <br /> 27 <br /> 28 31 25 <br /> 29 <br /> 30 <br /> 31 <br /> ARITHMETIC h1EAN 15 15 ** 42 32 34 <br /> GEOMETRIC MEAN 12 12 ** 42 32 32 <br /> h1AXIt4UM 27 29 ** 42 33 42 <br />** Indicates Invalid Data <br />• AIR SCIENCES INC. <br />Nye e Fe6rua~ +o ~Ia <br />bo+Gf tke B(_{~Y1 a-~Gr~G>ctrc,~ <br />