Enclosure (1) TO COMDTINST 16478.12
Chapter Three
Environmental Characterization Results
Aquatic and terrestrial locations were studied in the Chesapeake Bay, Tampa
Bay, Puget Sound and the Tenessee River using the sediment and biota analysis
techniques described in the previous section. These results demonstrate low
contamination (if any) in sediments associated with spent batteries, no human
health risk and minimal biological impacts.
Chesapeake Bay
Mercury concentrations in sediments adjacent to AtoNs in the Baltimore Area of
the Chesapeake Bay were generally the lowest found in all the prototype
investigations. The values at the three AtoNs evaluated were low compared to
background levels both measured and reported in the literature (Long and
MacDonald 1992). (Figure 3-1). The levels were also below ecological effects
range low (ER-L) and effects range median (ER-M) which are ecological
benchmark concentrations. A full description of the sources of these values
and the method of their calculation appears in Appendix C.
3-1
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