| The Heinz Center's State of the Nation's
Ecosystems |
| ecosystem: |
Core National Indicators |
| indicator Name: |
Contamination in Bottom Sediments: sediment contamination--estuaries |
| page # in printed report: |
72 |
| location on page: |
lower |
| data source: |
U.S. Environmental Protection Agency, Environmental
Monitoring and Assessment Program (EMAP) Coverage: lower 48 states,
excluding the North Atlantic, Southern California, and Pacific Northwest.
Guidelines are from the National Oceanic and Atmospheric Administration
(NOAA). |
| notes: |
please see technical notes for further details
on accessing these data from their original source; this data table
comes from a specific graphic in The State of the Nation's Ecosystems
report (www.heinzctr.org/ecosystems) |
| units: % of Estuary Area Exceeding
Indicated Number of Guidelines |
| |
1990-1997 |
1999-2000 |
| Possible effects (1-4 contaminants) |
19 |
34 |
| Possible effects (5 or more contaminants) |
39 |
8 |
| Probable effects (1 or more contaminants) |
2 |
7 |
|