TARLE OF CONTENTS
LIST OF FIGURES . 2 2s ew wo oe
LIST OF TABIES. « « © 6 o © 8 ©
INTRODUCTION,
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Precipitation.
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VII, Water Other than Precipitation
VIII. sir Concentration, « « 2sees
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VI.
Soil
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IV. Botanical. ...
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TII,. Animal Products,
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I. Human Bone...
IZ. Animal Bone. «.
DECEMBER 1, 1955 TO AUGUST 1,
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CHICAGO SUNSHIN RESULTS POR PSRTIOD
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IV, Fresh Milk from Chicago Dairies: . .. e
V. Sr?0 Content of Foreign Soils. . « « « «
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De Chicago Fallout History from Rain and Soil Data...
III. Results for 1955 Chicago }ilkshed Samples.
Ae 1955 Chicaro Milksned Soils «6...
B, 1955 Chicago Milkshed Alfalfas. « « «
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C. Solubility of sr? Deposited in Rains
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B, Test of Rain Collection Metnod. .
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Ir, Srv in Chicago Rains. ..
A, Summary of Chicago Rain Data, 1953. through 1955
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I. Sr%O Surface Air Concentration Data.
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DISCUSSION OF RESULTS . 2 «+. ee ee we wo
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