TABLE 12. Mercury concentrations for selected samples from core SB1c, St. Bernard Parish, Louisiana.
St. Bernard core SB1c (location: 29o58"53' N, 89o55"27' W; sampled: 03/20/1996).
Percent compaction (applied linearly): 29.1.
Analysis for mercury by USGS Sediment Partitioning Research Laboratory, Atlanta, Georgia. Ppm, parts per million (equivalent to micrograms per gram).
Sample
I.D.
Corrected
depth
sample
midpoint
(cm)1
Mercury
concen-
tration
(ppm)
SB1c-40 56.4 0.07
SB1c-145 204.5 0.04
SB1c-152 214.3 0.05
SB1c-224 315.8 0.05
SB1c-259 365.2 0.04
1Corrected depth equals original depth (midpoint of sample interval) multiplied by 1.41 to correct for compaction.
Source: U.S. Geological Survey Open-File Report 98-36. Carbon storage and late Holocene chronostratigraphy of a Mississippi River deltaic marsh, St. Bernard Parish, Louisiana (H.W. Markewich, ed.).

Last Updated on 2/5/98
By Gary R. Buell