BACKGROUND
INTRODUCTION
PART I
	ANALYTICAL CONCEPTS
		LATITUDE ADJUSTMENT TECHNIQUES FOR NUCLIDES IN FALLOUT
		STATISTICAL APPROACHES -- COMPOSITIONAL DATA
		BIOACCUMULATION AND BIOMAGNIFICATION
			Bioaccumulation factors
			Reference elements
			Reference elements and Great Lakes data
			Biotic needs for bioaccumulation data
			Limitations of elemental composition data
			Assimilation efficiency
			A lack of comprehensive data sets
			Pre-1970 data on bioaccumulation and biomagnification
			Calcium control paradigm
			Nuclides "in" and nuclides "on" organisms
			Biomagnification of metals attached to organic molecules
			Use of nuisance species for bioaccumulation studies
		BIOUPTAKE DIRECTLY FROM ATMOSPHERIC DEPOSITION
			Radionuclide data from Arctic ecosystems
		BIOACCUMULATION IN SOIL MICROFLORA
		BIOLOGICAL PRODUCTIVITY
			The "metabolism of lakes"
			The "trophic cascade" concept
PART II
	BIOACCUMULATION OF SPECIFIC ELEMENTS
		TRITIUM
		GROUP Ia AND Ib ELEMENTS: SODIUM, POTASSIUM, LITHIUM, RUBIDIUM, CESIUM, FRANCIUM AND COPPER, SILVER, AND GOLD
			Sodium and potassium
			Rubidium
			Cesium
			Silver
		GROUP IIa ELEMENTS: BERYLLIUM, MAGNESIUM, CALCIUM, STRONTIUM, AND BARIUM
			Beryllium
			Calcium and Magnesium
			Strontium
			Barium
		GROUP IIb ELEMENTS: ZINC, CADMIUM, AND MERCURY
			Zinc, cadmium, and mercury
		GROUP IIIa ELEMENTS: BORON, ALUMINUM, GALLIUM, INDIUM, AND THALLIUM
			Boron
			Aluminum
		GROUP IIIb ELEMENTS: SCANDIUM, YTTRIUM, LANTHANUM, AND RARE EARTHS
			Yttrium
			Lanthanum
			Cerium
			Other Lanthanides
		GROUP IVa ELEMENTS: CARBON, SILICON, GERMANIUM, TIN, AND LEAD
			Carbon
			Silicon
			Germanium
			Tin
			Lead
		GROUPS IVb AND Vb ELEMENTS: TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, ANTIMONY, AND TANTALUM
			Titanium
			Zirconium and niobium
			Hafnium
			Vanadium
		GROUP VIIa ELEMENTS (THE HALOGENS): FLUORINE, CHLORINE, BROMINE, IODINE, AND ASTATINE
			Fluorine
			Chlorine
			Bromine
			Iodine
		GROUP VIa ELEMENTS: SULFUR, SELENIUM, TELLURIUM, AND POLONIUM
		GROUP VIb ELEMENTS: CHROMIUM, MOLYBDENUM, AND TUNGSTEN
			Chromium
			Molybdenum
			Tungsten
		GROUP VIIb ELEMENTS: MANGANESE, TECHNETIUM, RHENIUM, IRON, RUTHENIUM, AND OSMIUM
			Iron and manganese
			Ruthenium
			Rhenium and Osmium
			Technetium
		GROUP VIIIB ELEMENTS: COBALT, RHODIUM, IRIDIUM, NICKEL, PALLADIUM, AND PLATINUM
			Cobalt
			Nickel
		TRANSURANIC ELEMENTS
CONCLUDING REMARKS
BIBLIOGRAPHY

TEXT BOX 1	PROPERTIES OF RADIONUCLIDES THAT WOULD DIMINISH THE NEED TO ESTIMATE BIOACCUMULATION AND BIOMAGNIFICATION PARAMETERS
TABLE 1	CLASSIFICATION OF ELEMENTS FOR REQUIRING ESTIMATES OF BIOACCUMULATION AND BIOMAGNIFICATION PARAMETERS FOR BIOTA OF THE GREAT LAKES
TEXT BOX 2	FACTORS AFFECTING OBSERVATION OF STEADY STATES IN BIOACCUMULATION PROCESSES
TEXT BOX 3	BIOACCUMULATION FACTOR AND BIOMAGNIFICATION FACTOR FORMULAS
TEXT BOX 4	QUESTIONS TO ASSESS THE QUALITY OF DATA USED TO EVALUATE BIOACCUMULATION AND BIOMAGNIFICATION
TEXT BOX 5	RELATIONSHIP BETWEEN ASSIMILATION EFFICIENCY AND BIOACCUMULATION FACTORS
TABLE 2	FRESHWATER BIOACCUMULATION FACTORS FOR VARIOUS ELEMENTS
TABLE 3	CHEMICAL COMPOSITION OF A TROPICAL GROUND LICHEN
TABLE 4	NATURALLY OCCURRING RADIONUCLIDES IN LICHENS AND MOSSES FROM A FOREST IN WASHINGTON STATE, 1966-1967
TABLE 5a	RADIONUCLIDES IN ARCTIC BIOTA (LICHENS AND MOSSES)
TABLE 5b	ELEMENTAL ANALYSES (INCLUDING RADIONUCLIDES) OF ARCTIC BIOTA
TABLE 6	UPTAKE OF UNIVALENT ELEMENTS: Na, K, Li, Rb, Cs, Ag, Cl, Br, AND I BY AQUATIC BIOTA PART I. LINSLEY POND
TABLE 7a	UPTAKE OF UNIVALENT ELEMENTS: Na, K, Li, Rb, Cs, Ag, Cl, Br, AND I BY AQUATIC BIOTA PART II. CULTURES
TABLE 7b	UPTAKE OF UNIVALENT ELEMENTS: Na, K, Li, Rb, Cs, Ag, Cl, Br, AND I BY AQUATIC BIOTA PART III. OTHER STUDIES
TABLE 8	ELEMENTAL ANALYSES (INCLUDING RADIONUCLIDES) OF ARCTIC BIOTA
TABLE 9	CESIUM ACCUMULATION IN GREAT LAKES BIOTA PART I -- 137 Cs IN GREAT LAKES FISHES
TABLE 10	CESIUM ACCUMULATION IN GREAT LAKES BIOTA PART II -- 137 Cs IN GREAT LAKES FISHES: STUDIES AT HWR NUCLEAR GENERATING STATIONS
TEXT BOX 6	RADIATION DOSES RESULTING FROM RADIONUCLIDE LEVELS IN FISH (TABLE 10)
TABLE 11	UPTAKE OF GROUP IIA AND GROUP IIIA ELEMENTS: Be, Mg, Ca, Sr, Ba, B, AND Al VARIOUS STUDIES
TABLE 12a	ELEMENTAL COMPOSITION OF THE BIOTA FROM LAKES IN THE CANADIAN SHIELD. PART I -- UPTAKE OF STRONTIUM, BARIUM AND RELATED ELEMENTS BY NET PLANKTON
TABLE 12b	ELEMENTAL COMPOSITION OF THE BIOTA FROM A SERIES OF LAKES IN THE CANADIAN SHIELD -- NET ZOOPLANKTON
TABLE 13a	UPTAKE OF RARE EARTH (RE) ELEMENTS AND THEIR CONGENERS BY AQUATIC BIOTA
TABLE 13b	UPTAKE OF RARE EARTH ELEMENTS AND THEIR CONGENERS BY AQUATIC BIOTA
TABLE 13c	UPTAKE OF RARE EARTH ELEMENTS AND CHEMICAL CONGENERS BY AQUATIC BIOTA
TABLE 14	UPTAKE OF RARE EARTH ELEMENTS AND CHEMICAL CONGENERS BY AQUATIC BIOTA
TABLE 15	UPTAKE OF GROUP IV, V, AND VI ELEMENTS BY AQUATIC BIOTA
TABLE 16a	UPTAKE OF SELECTED TRANSITION ELEMENTS BY AQUATIC BIOTA
TABLE 16b	UPTAKE OF SELECTED TRANSITION ELEMENTS BY MAMMALS
TABLE 17	BIOACCUMULATION FACTORS AND BIOMAGNIFICATION FACTORS FOR VARIOUS ELEMENTS IN AQUATIC BIOTA
TABLE 18	RADIONUCLIDES IN THE GREAT LAKES REGION: 106 Ru, 137 Cs, and 40 K
TABLE 19	THORIUM IN AQUATIC ORGANISMS
TABLE 20	BIOACCUMULATION FACTORS FOR FISHES FROM LAKE HURON FOR VARIOUS ASSUMED WATER CONTENTS OF TISSUES