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Contaminated Sediments Database for the Gulf of Maine, OFR 02-403

Lead Sample Population for Areas of the Gulf of Maine

Figure 9: Histograms showing the distribution in the database for selected geographic areas.   Blue shading depicts the range of naturally-occurring background Pb concentration.   Yellow shading indicates the range of 10 times background.

Figure 9. Entire Gulf of Maine (109497 bytes), Link to larger image Figure 9. Penobscot Bay and Central Maine (101513 bytes), link to larger image Figure 9. Casco Bay and South Maine (107817 bytes), link to larger image
entire Gulf of Maine Penobscot Bay and
Central Maine		 Casco Bay and S. Maine
Figure 9. Great Bay and Nearby Maine (101655 bytes), link to larger image Figure 9. Massachusetts Bay (98880 bytes), link to larger image Figure 9. Boston Harbor (94219 bytes), link to larger image
Great Bay and nearby Maine Massachusetts Bay Boston Harbor
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Modified Friday, 11-Jan-2013 03:31:06 EST