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CONTENTS
<br />Page
<br />SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . i i i
<br />TABLES . . . . . . . . . . . . . . . . . . vi
<br />ACKNOWLEDGMENTS . . . . . . . . . . . . . . . ... . . . . . . vii
<br />INTRODUCTION . . . . . . . . . , . . 1
<br />SOURCES AND USES . . . . . , 5
<br />CHEMICAL PROPERTIES. . . . . . . . 9
<br />MODE OF ACTION . . . . . . . . . . . . . . . 11
<br />BACKGROUND CONCENTRATIONS. . . . . . . . . . . 16
<br />General . . . . . . . . . . . 16
<br />NonbiologicalSamples . . . . . . . . . . . . . . . . . 16
<br />Fungi, Mosses, Lichens . . . , , , , , , , , , , , , , 23
<br />Terrestrial Plants , . , . , , , , , 23
<br />Terrestrial Invertebrates. 48
<br />Aquatic Biota. , 48
<br />Amphibians and Reptiles. . 50
<br />Birds . . . . . . . . . . . . . . . . 50
<br />Mammals . , , , . . . 52
<br />LETHAL AND SUBLETHAL EFFECTS .'. . . . . . . . . . 55
<br />General. . . . . .
<br />* . 55
<br />Terrestrial
<br />Plants and Invertebrates . . . . . . . . . . 56
<br />Aquatic Biota. , , , , , , , , , , , , , , , , , , 57
<br />Amphibians and Reptiles. . . . . . . . . . . . , . . . 72
<br />Birds, , , , , , , , , , , , , , , , , , , , , , 73
<br />Mammals. . 86
<br />CURRENT RECOMMENDATIONS. 101
<br />LITERATURE CITED . . . . . , , , , , , , , , , , , . . 109
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