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Dow Wild Game Study: Turkey Data

bulletClick here for official Final report: MDCH Dioxins in Wild Game Taken from the Tittabawassee River Floodplain South of Midland, Midland and Saginaw Counties, Michigan EPA ID# MID980994354  Final Report April 29, 2005.  Report is officially peer reviewed and backed by the Federal Government ATSDR.
bulletEPA indicates there is much more in the Tittabawassee River than contaminated fish and dioxin, click here
bulletClick here for official State of Michigan T.River Flood Plain Wild Game Consumption Advisory
bulletEPA July 2004 Memo concerning Dow Wild Game Study
bulletPotential health risks to persons consuming game.
bulletDioxin contamination of game indicate contamination of the terrestrial food chain
bulletUnacceptable, serious aquatic ecological risks to fish, fish eating birds, and mammals.
bulletThere is particular concern regarding distortions of risk information which are causing inaccurate risk messages to the public.
bulletClick here to read the EPA 7/30/04 memo
bulletClick here to view raw data used to make the following charts

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Note: in the 'Radar" graph below, each circle gridline represents a threshold that is
at least 10 times the level of the adjacent circle inside it (logarithmic scale). 
Example: a sample plotted between the 10 and 100 grid rings represent values that are
at least 10 to 99 times the value of samples between the 1 and 10 rings and 100 to 999 times
the value of samples between the 0.1 and 1 rings.  Lines connect all the values in a series.
The individual data points represent sample TEQ values from the chart that follows.

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Turkey Raw Data

Turkey

Area

TEQ (pg/g)

Percent

(kg)

Wet Wt.

Lipids

Body Wt.

Age

Sex

1/2 mid

TR01TY01M1

Ref Area

0.107

4.25

6.01

JUVENILE

FEMALE

TR01TY02M1

Ref Area

0.117

4.02

5.22

JUVENILE

FEMALE

TR01TY03M1

Ref Area

0.26

5.78

4.42

MATURE

FEMALE

TR01TY03MSKIN

Ref Area

2.14

28

TR01TY03MSKINOFF

Ref Area

0.152

1.19

TR01TY04M1

Ref Area

0.141

6.85

2.3

ADULT

FEMALE

TR01TY04MSKIN

Ref Area

1.67

53.5

TR01TY04MSKINOFF

Ref Area

0.101

1.83

TR01TY05M1

Ref Area

0.213

2.9

3.83

MATURE

FEMALE

TR01TY06M1

Ref Area

0.388

5.74

4.68

MATURE

FEMALE

TR01TY06MSKIN

Ref Area

3.08

33.2

TR01TY06MSKINOFF

Ref Area

0.099

1.89

TR01TY07M1

Ref Area

0.178

4.73

5.59

MATURE

FEMALE

TR01TY08M1

Ref Area

0.112

4.23

5.3

MATURE

FEMALE

TR01TY09M1

Ref Area

0.14

5.16

6.55

IMMATURE

MALE

TR01TY10M1

Ref Area

0.145

4.14

5.1

IMMATURE

MALE

TR01TY11M1

Ref Area

0.232

6.84

9.61

MATURE

MALE

TR01TY12M1

Ref Area

0.136

5.34

8.56

MATURE

MALE

TR02TY01M1

Smith Crossing

0.628

2.39

4.76

IMMATURE

FEMALE

TR02TY02M1

Smith Crossing

12.4

2.76

6.32

IMMATURE

ND

TR02TY03M1

Smith Crossing

8.23

2.52

4.37

MATURE

FEMALE

TR02TY04M1

Smith Crossing

25.4

3.18

7.26

ND

MALE

TR02TY05M1

Smith Crossing

9.11

5.99

9.38

ADULT

MALE

TR02TY06M1

Smith Crossing

4.99

4.89

9.13

ND

FEMALE

TR02TY07M1

Smith Crossing

21.1

4.68

6.41

JUVENILE

MALE

TR02TY07MSKIN

Smith Crossing

264

37

TR02TY07MSKINOFF

Smith Crossing

13.3

1.82

TR02TY08M1

Smith Crossing

4.43

1.81

5.08

JUVENILE

FEMALE

TR02TY09M1

Smith Crossing

8.94

2.2

4.85

JUVENILE

FEMALE

TR02TY10M1

Smith Crossing

7.2

1.76

4.76

JUVENILE

FEMALE

TR02TY10MSKIN

Smith Crossing

46.7

8.35

TR02TY10MSKINOFF

Smith Crossing

2.89

0.94

TR02TY11M1

Smith Crossing

7.55

1.44

5.64

JUVENILE

FEMALE

TR02TY11MSKIN

Smith Crossing

47.9

6.06

TR02TY11MSKINOFF

Smith Crossing

3.28

0.75

TR03TY01M1

Imerman Park

12.9

3.46

8.05

MATURE

MALE

 

bulletGES memo (7/16/04) to the MDEQ indicates the results of the Dow/Entrix Wild Game study in the Tittabawassee River Flood plain confirms findings of MDEQ/GES 2003 T.River Aquatic Ecological Risk Assesement.  Conclusions:
bulletReview of the Entrix (2004) report has shown that the data contained therein support one of the major conclusions of the Michigan DEQ terrestrial ecological risk assessment (GES, 2004), that is that biota and food chains on the Tittabawassee River downriver of Midland are contaminated by PCDDs and PCDFs. A reasonable conclusion from this is that predators and scavengers at the tops of these food chains are likely to be even more exposed to these contaminants than the deer, squirrels, and turkeys sampled in the Entrix (2004) study.
bulletHowever, the Entrix (2004) study was designed to generate data for an evaluation of risk to human health, rather than to ecological receptors. Because of this, design elements in the Entrix (2004) study, though perhaps appropriate for a human health risk analysis, result in an underestimation of the contaminant concentrations to which wildlife would be exposed and, hence, the magnitude of the risks incurred. These design elements comprise:
bulletThe sampling was confined to organisms which, because of their diets, are unlikely to bioaccumulate PCDDs and PCDFs to the extent that other organisms would.
bulletThe carcass handling procedures resulted in a likely underestimation of the magnitudes of the PCDD/PCDF whole-body burdens to which predators and scavengers may be exposed.
bulletThe sample spatial distribution almost certainly results in an underestimation of the PCDD/PCDF body burdens of turkeys in the lower sections of the floodplain, and, hence, in the potential exposures to their predators and scavengers.
bulletClick here to read the entire July 2004 memo
bulletTittabawassee River Aquatic Ecological Risk Assessment Slide Show
bulletTittabawassee River Aquatic Ecological Risk Assesement Final Report (pdf)

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