USGS
Lake Pontchartrain Basin:  Bottom Sediments and Related Environmental Resources

Table 6.  Sample of inorganic data (metals).

[Example of selected fields from the inorganic data table (spreadsheet format). All chemical components have a minimum of three fields to define analytical values in normal units (units are reflected in the field name:  UG_G denotes µg/g), qualifying data, and detection limits. In this case, only Ca is shown with its three fields.]
UNIQUE_ID AG_UG_G AL_UG_G AS_UG_G CA_UG_G CA_Q CA_DL CD_UG_G CR_UG_G CU_UG_G FE_UG_G NI_UG_G PB_UG_G ZN_UG_G
1 0.157   0.822       0.260 9.20 12.6   5.05 9.44 37.5
4 0.206   1.06       0.854 30.7 30.7   7.00 66.6 201.0
7 0.091   0.634       0.290 23.4 22.4   8.80 14.0 61.3
516   19514   13152.7     1.3 135.0 31.0 20734 27.80 422.33 300.17
527   27114   13652.7     1.7 522.5 43.9 22444 30.20 293.67 413.00
530   34014   18816.0     2.9 1155.3 60.1 25374 36.10 281.83 579.33
2654 0 35900 13 7400 Leach; orig units % 100 0 75.5 13.15 28700 40.6 21.9 88.4
2666 0.2 34500 11 17600 Leach; orig units % 100 0 55.6 11.1 25800 30.8 19.4 68.7
2667 0 29100 10 6800 Leach; orig units % 100 0 28.4 8.4 21900 23.3 17.5 58.2


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