USGS - Sediment Deposition and Occurrence of Selected Nutrients and Other Chemical Constituents in Bottom Sediment, Tuttle Creek Lake, Northeast Kansas, 1962-99

Table 2. Mean relative percentage differences for constituent concentrations
in sequential replicate samples of bottom sediment from coring sites TOC-1A,
TOC-3A, and TOC=7A in Tuttle Creek Lake, northeast Kansas,
August and September 1999

[--, not calculated]

Nutrients
Total ammonia plus organic nitrogen	29.0
Total phosphorus	34.2
Carbon
Carbon, inorganic	12.0
Carbon, organic	2.0
Carbon, total	.4
Metals and trace elements
Aluminum	1.4
Antimony	1.6
Arsenic	2.7
Barium	3.4
Beryllium	7.1
Bismuth	--
Cadmium	4.2
Calcium	2.0
Cerium	1.7
Chromium	1.3
Cobalt	2.7
Copper	1.5
Europium	3.1
Gallium	1.7
Gold	--
Holmium	3.0
Iron	2.7
Lanthanum	1.1
Lead	3.6
Lithium	1.0
Magnesium	0
Manganese	3.6
Mercury	0
Molybdenum	6.5
Neodymium	2.3
Nickel	.9
Niobium	3.7
Potassium	.8
Scandium	1.1
Selenium	2.3
Silver	4.7
Sodium	3.7
Strontium	0
Sulfur	5.7
Tantalum	2.2
Thallium	--
Thorium	1.1
Tin	2.0
Titanium	1.8
Uranium	3.2
Vanadium	2.5
Ytterbium	.6
Yttrium	2.4
Zinc	2.7
Organochlorine compounds
Aldrin	--
Chlordane	--
DDD	--
DDE—	5.1
DDT	--
Dieldrin—	4.7
Endosulfan	--
Endrin	--
Gross polychlorinated biphenyls (PCBs)	--
Heptachlor	--
Heptachlor epoxide	--
Lindane	--
Methoxychlor	--
Mirex	--
Toxaphene	--

—Mean relative percentage difference calculated on the basis of two sites.

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U.S. Geological Survey Water-Resources Investigations Report 02-4048

Prepared in cooperation with the KANSAS DEPARTMENT OF HEALTH AND ENVIRONMENT

U.S. Geological Survey
Water-Resources Investigations Report 02-4048

Prepared in cooperation with the
KANSAS DEPARTMENT OF HEALTH AND ENVIRONMENT