coast to coast exotics, 124 north road, darlington, county durham
TRANSCRIPT
Summary for San Francisco Bay Yerba Buena Island (SFYB)
The following graphs show trends at San Francisco Bay Yerba Buena Island from
years 1986-2009 for the following constituents: Chlordane, Total DDT, Dieldrin,
Total PAH, PCBs, Zinc (Zn), Silver (Ag), Aluminum (Al), Arsenic (As), Cadmium (Cd) ,
Chromium (Cr), Copper (Cu), Iron (Fe), Mercury (Hg), Manganese (Mn), Nickel (Ni),
Lead (Pb), Selenium (Se), Antimony (Sb) and Tin (Sn).
Trend of Total PAHs concentration at San Francisco Bay
Yerba Buena Island
y = 2116.2x - 4E+06
R2 = 0.0777
0
10000
20000
30000
40000
50000
60000
2002 2004 2006 2008 2010
Year
Co
nc
en
tra
tio
n (
ug
/ d
ry g
)
Total
PAHs
Trend of Hg concentration at San Francisco Bay Yerba
Buena Island
y = 0.004x - 7.8712
R2 = 0.0232
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
2002 2004 2006 2008 2010
Year
Co
nc
en
tra
tio
n (
ug
/ d
ry g
)
HG