Annual report of the State Board of Health of the state of Ohio, for the year ending .. . oncluded.(Parts per million.) 375 Nitrogen as 5 a 1 i §5 d d OS a o o •O OS a o M ** V a 00 o aa 1 * 01 a o if. aIS DC 12o aae ao K 4> P. « H 01 S A o O m <D < ^ K Z o <! - f-l J o CO H .030 0 361 294 372 98 1,0« 28. .015 44 5 481 111 5,3 iO 26. .009 0.;45 491 163 4,275 21- .011 ^,2 63 8 32 8 453 14 ^ 65 4 4,250 10. 0 504 0104 . 28 0 432 131 8
Annual report of the State Board of Health of the state of Ohio, for the year ending .. . oncluded.(Parts per million.) 375 Nitrogen as 5 a 1 i §5 d d OS a o o •O OS a o M ** V a 00 o aa 1 * 01 a o if. aIS DC 12o aae ao K 4> P. « H 01 S A o O m <D < ^ K Z o <! - f-l J o CO H .030 0 361 294 372 98 1,0« 28. .015 44 5 481 111 5,3 iO 26. .009 0.;45 491 163 4,275 21- .011 ^,2 63 8 32 8 453 14 ^ 65 4 4,250 10. 0 504 0104 . 28 0 432 131 19,160 5. 446 130 6,805 .035 338 58 576 28. .021 51)2 142 * 220 26. .019 15H8 23 6 419 160 4,370 21. 0104 .011 524 148 13 600 10. .010 oTs 473457 141128 16,1006,973 5. 700 * Count low owing to interfereace from overspreading growth. 376 ANNUAL REPORT. STATE BOARD OF HEALTH. Z77 Ofe
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