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'II'TII SAMPLING PERIOD, <br /> Second puartcr 197s; <br />• '1'ahle VIi <br /> Particulate Ma to Conccntrati.on Data (ug/m3) <br /> April 2, 1978 through April 30, 1978 <br /> I-I. G. Coal Company Dline <br /> Ground Sky <br />Date Hi= 'ol #I3 Conditions Conditions Remarks <br />4-2 C [vTet Rain Hi-Vol fl3 was cal- <br />9-6 19. E Wet Clear <br />4-10 A Wet Rain Windy <br />q-14 B <br />9-18 7. L RZin & Flindy <br /> Snov <br />~-22 6. ~ Rain [•;indy <br />9-26 II <br />4-30 7. Wet Rain s <br /> Snow <br />HIGH 19. r: <br />LOT•1 6 . <br />ARITH 10. i~ <br />t•t~AN <br />A = Equipment Malfunction <br />• II = No Sample Taken <br />C = Sample Lost <br />i <br />