Dow Wild Game Study: Deer data

Tittabawassee River Watch www.trwnews.net

Dow Wild Game Study: Deer

Click 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.

Click here for official State of Michigan T.River Flood Plain Wild Game Consumption Advisory

EPA indicates there is much more in the Tittabawassee River than contaminated fish and dioxin, click here

EPA Memo concerning Dow Wild Game Study

	Potential health risks to persons consuming game.
	Dioxin contamination of game indicate contamination of the terrestrial food chain
	Unacceptable, serious aquatic ecological risks to fish, fish eating birds, and mammals.
	There is particular concern regarding distortions of risk information which are causing inaccurate risk messages to the public.
	Click here to read the EPA 7/30/04 memo

Click here to view raw data used to make the following charts

wpeB.jpg (65934 bytes)

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.

wpeD.jpg (35326 bytes)

Deer Raw Data

Deer	Area	Muscle		Deer	Liver
		TEQ (pg/g)	Percent		TEQ (pg/g)	Percent
		Wet Wt.	Lipids		Wet Wt.	Lipids	Age	Sex

TR01DR01M1	Ref area			TR01DR01L1	0.513	2.94	4.5	FEMALE
TR01DR02M1	Ref area	0.169	3.24	TR01DR02L1	0.457	3.24	7.5	FEMALE
TR01DR03M1	Ref area	0.036	2.31	TR01DR03L1	0.837	3.61	1.5	FEMALE
TR01DR04M1	Ref area	0.07	1.82	TR01DR04L1	0.374	4.6	1.5	MALE
TR01DR05M1	Ref area	0.079	1.38	TR01DR05L1	0.589	4.65	ND	MALE
TR01DR06M1	Ref area	0.037	2.47	TR01DR06L1	0.224	2.41	3.5	FEMALE
TR01DR07M1	Ref area	0.037	2.34	TR01DR07L1	0.525	3.44	2.5	MALE
TR01DR08M1	Ref area	0.05	2.13	TR01DR08L1	1.26	3.42	5.5	FEMALE
TR01DR09M1	Ref area	0.068	2.7	TR01DR09L1	0.422	2.61	13.5	FEMALE
TR01DR10M1	Ref area	0.083	2.64	TR01DR10L1	0.568	4.2	6.5	FEMALE
TR01DR11M1	Ref area						<1.5	FEMALE
TR01DR12M1	Ref area	0.068	3.03	TR01DR12L1	0.641	2.58	5.5	FEMALE
TR01DR13M1	Ref area	0.055	3.53	TR01DR13L1	0.581	4.43	12.5	FEMALE
TR01DR14M1	Ref area	0.063	2.42	TR01DR14L1	0.446	2.71	2.5	FEMALE


TR02DR01MI	Smith Crossing			TR02DR01LI			<1.5	MALE
TR02DR02MI	Smith Crossing			TR02DR02LI			<1.5	FEMALE
TR02DR03M1	Smith Crossing	0.189	2.03	TR02DR03L1	5.88	3.08	2.5	MALE
TR02DR04M1	Smith Crossing	0.146	1.8	TR02DR04L1	6.4	1.95	1.5	MALE
TR02DR05M1	Smith Crossing			TR02DR05L1			<1.5	MALE
TR02DR06M1	Smith Crossing			TR02DR06L1			<1.5	MALE
TR02DR07M1	Smith Crossing	0.151	3.23	TR02DR07L1	8.06	4.22	1.5	MALE
TR02DR08M1	Smith Crossing	0.116	2.22	TR02DR08L1	9.2	3.68	3.5	FEMALE
TR02DR09M1	Smith Crossing	0.121	2.06	TR02DR09L1	5.6	4.03	1.5	FEMALE
TR02DR10M1	Smith Crossing	0.236	2.83	TR02DR10L1	16.4	3.03	6.5	FEMALE
TR02DR11M1	Smith Crossing	0.15	2.51	TR02DR11L1	14.4	2.58	2.5	FEMALE
TR02DR12M1	Smith Crossing	0.128	2.4	TR02DR12L1	18.6	3.6	4.5	FEMALE
TR02DR13M1	Smith Crossing	0.192	2.28	TR02DR13L1	6.88	2.9	5.5	FEMALE
TR02DR14M1	Smith Crossing	0.259	2.6	TR02DR14L1	19.2	2.6	4.5	FEMALE


TR03DR01M1	Imerman Park	0.625	1.51	TR03DR01L1	129	2.88	1.5	MALE
TR03DR02M1	Imerman Park	0.243	1.98	TR03DR02L1	20.3	2.91	3.5	FEMALE
TR03DR03M1	Imerman Park	0.317	1.21	TR03DR03L1	28.6	5.96	1.5	MALE
TR03DR04M1	Imerman Park	0.577	2.02	TR03DR04L1	67	5.15	1.5	MALE
TR03DR05M1	Imerman Park	0.287	4.17	TR03DR05L1	23.1	3.23	4.5	FEMALE
TR03DR06M1	Imerman Park	0.288	3.94	TR03DR06L1	12.1	3.08	4.5	FEMALE
TR03DR07M1	Imerman Park	0.691	2.38	TR03DR07L1	147	3.75	1.5	MALE
TR03DR08M1	Imerman Park	0.726	2.31	TR03DR08L1	54.6	3.64	1.5	MALE
TR03DR09M1	Imerman Park	0.234	3.21	TR03DR09L1	8.91	3.49	4.5	FEMALE
TR03DR10M1	Imerman Park	1.24	2.54	TR03DR10L1	149	2.82	2.5	FEMALE

GES 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:

Review 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.

However, 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:

	The sampling was confined to organisms which, because of their diets, are unlikely to bioaccumulate PCDDs and PCDFs to the extent that other organisms would.
	The 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.
	The 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.

Click here to read the entire July 2004 memo

Tittabawassee River Aquatic Ecological Risk Assessment Slide Show

Tittabawassee River Aquatic Ecological Risk Assesement Final Report (pdf)

f04_imprkdeer.jpg (299343 bytes)

Imerman park Deer stranded by Spring 2004 flood, it's about 1/2 a mile back to the river.

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