HEALTH CONSULTATION
CONRAIL-JACKSON YARD
JACKSON, MICHIGAN
Table 3. Concentrations of chemicals in subsurface soil samples collected from
the Conrail-Jackson Yard, Jackson, Michigan, during the Integrated Assessment,
April 1997.
| Chemical | Concentration (ppm) |
No. of samples above MDEQ Industrial/ Commercial Criteria (Ref. 5) |
No. of samples above MDEQ Residential Criteria (Ref. 6) |
|
| Maximum | Median | |||
| acenaphthene |
0.36
|
ND
|
0
|
0
|
| acenaphthylene |
0.17
|
ND
|
0
|
0
|
| acetone |
0.12
|
ND
|
0
|
0
|
| aldrin |
0.0096
|
ND
|
0
|
0
|
| anthracene |
4.7
|
ND
|
0
|
0
|
| antimony |
8.6
|
1.4
|
0
|
0
|
| arsenic |
21.3
|
6.15
|
0
|
8
|
| barium |
102
|
27.25
|
0
|
0
|
| benzo(a)anthracene |
2.2
|
0.18
|
0
|
0
|
| benzo(a)pyrene |
2
|
ND
|
0
|
1
|
| benzo(b)fluoranthene |
1.8
|
ND
|
0
|
0
|
| benzo(g,h,i)perylene |
0.59
|
ND
|
0
|
0
|
| benzo(k)fluoranthene |
1.7
|
ND
|
0
|
0
|
| beryllium |
1.4
|
0.43
|
0
|
0
|
| alpha-BHC |
0.0033
|
ND
|
0
|
0
|
| beta-BHC |
0.0048
|
ND
|
0
|
0
|
| delta-BHC |
0.0014
|
ND
|
0
|
0
|
| bis(2-ethylhexyl)phthalate |
0.059
|
ND
|
0
|
0
|
| 2-butanone |
0.009
|
ND
|
0
|
0
|
| carbazole |
0.14
|
ND
|
0
|
0
|
| alpha-chlordane |
0.0016
|
ND
|
0
|
0
|
| gamma-chlordane |
0.0044
|
ND
|
0
|
0
|
| chromium |
29.9
|
10.2
|
0
|
0
|
| chrysene |
2.3
|
0.19
|
0
|
0
|
| cobalt |
12.2
|
4.2
|
0
|
0
|
| copper |
175
|
29.75
|
0
|
0
|
| cyanide |
0.34
|
ND
|
0
|
0
|
| 4,4'-DDD |
0.01
|
ND
|
0
|
0
|
| 4,4'-DDE |
0.0077
|
ND
|
0
|
0
|
| 4,4'-DDT |
0.0065
|
0.0039
|
0
|
0
|
| di-n-butyl phthalate |
0.022
|
ND
|
0
|
0
|
| di-n-octylphthalate |
0.32
|
ND
|
0
|
0
|
| dibenz(a,h)anthracene |
0.5
|
ND
|
0
|
0
|
| dibenzofuran |
7.8
|
ND
|
0
|
0
|
| dieldrin |
0.0026
|
ND
|
0
|
0
|
| endosulfan I |
0.0018
|
ND
|
0
|
0
|
| endosulfan II |
0.03
|
0.0032
|
0
|
0
|
| endosulfan sulfate |
0.00018
|
ND
|
0
|
0
|
| endrin |
0.11
|
0.00685
|
0
|
0
|
| endrin aldehyde |
0.022
|
0.00475
|
0
|
0
|
| endrin ketone |
0.014
|
ND
|
0
|
0
|
| ethylbenzene |
0.025
|
ND
|
0
|
0
|
| fluoranthene |
5.4
|
0.13
|
0
|
0
|
| fluorene |
15
|
ND
|
0
|
0
|
| heptachlor epoxide |
0.0052
|
ND
|
0
|
0
|
| indeno(1,2,3-cd)pyrene |
1.2
|
ND
|
0
|
0
|
| lead |
303
|
42.15
|
0
|
0
|
| manganese |
637
|
220.5
|
0
|
0
|
| mercury |
0.34
|
ND
|
0
|
0
|
| methoxychlor |
0.015
|
ND
|
0
|
0
|
| methylene chloride |
0.14
|
ND
|
0
|
0
|
| 2-methylnaphthalene |
94
|
0.14
|
0
|
0
|
| naphthalene |
26
|
0.088
|
0
|
0
|
| nickel |
44.5
|
11.9
|
0
|
0
|
| phenanthrene |
36
|
0.535
|
0
|
0
|
| pyrene |
3.6
|
0.17
|
0
|
0
|
| selenium |
2.9
|
1.4
|
0
|
0
|
| tetrachloroethylene |
0.1
|
ND
|
0
|
0
|
| thallium |
4.3
|
2.35
|
0
|
0
|
| toluene |
0.003
|
ND
|
0
|
0
|
| vanadium |
26.5
|
12.25
|
0
|
0
|
| xylenes (total) |
0.22
|
0.0065
|
0
|
0
|
| zinc |
140
|
51.35
|
0
|
0
|
Reference: 3
ND --Not Detected (for medians, in more than ½ the samples)
Table 4. Concentrations of chemicals in water samples collected from temporary
monitoring wells on the Conrail-Jackson Yard property, Jackson, Michigan, during
the MDNR Integrated Assessment, April 1997.
| Chemical | Concentration (ppb) |
No. of samples exceeding MDEQ Contact Criteria (Ref. 7) |
No. of samples exceeding U.S. EPA Drinking Water Standards (Ref. 6) |
|
|
Maximum
|
Median
|
|||
| acenaphthene |
21
|
ND
|
0
|
0
|
| anthracene |
5
|
ND
|
0
|
0
|
| antimony |
27.6
|
ND
|
0
|
2
|
| arsenic |
265
|
ND
|
0
|
1
|
| barium |
150
|
50.95
|
0
|
0
|
| benzene |
2
|
ND
|
0
|
0
|
| beta-BHC |
0.01
|
ND
|
0
|
0
|
| bis(2-ethylhexyl)phthalate |
2
|
ND
|
0
|
0
|
| carbazole |
4
|
ND
|
0
|
0
|
| chromium |
25
|
6.3
|
0
|
0
|
| cobalt |
17.8
|
2.85
|
0
|
0
|
| copper |
31.6
|
5.8
|
0
|
0
|
| dibenzofuran |
13
|
ND
|
0
|
0
|
| endrin |
0.02
|
ND
|
0
|
0
|
| ethylbenzene |
4
|
ND
|
0
|
0
|
| fluoranthene |
3
|
ND
|
0
|
0
|
| fluorene |
23
|
ND
|
0
|
0
|
| lead |
84.3
|
4.25
|
0
|
4
|
| manganese |
3,780
|
391.5
|
0
|
7
|
| methylene chloride |
18
|
2
|
0
|
2
|
| 2-methylnaphthalene |
140
|
ND
|
0
|
0
|
| naphthalene |
66
|
ND
|
0
|
0
|
| nickel |
92.7
|
15.7
|
0
|
0
|
| phenanthrene |
37
|
ND
|
0
|
1
|
| phenol |
1
|
ND
|
0
|
0
|
| pyrene |
3
|
ND
|
0
|
0
|
| thallium |
9.5
|
2.9
|
0
|
6
|
| trichloroethylene |
40
|
ND
|
0
|
1
|
| vanadium |
19
|
3
|
0
|
0
|
| xylenes (total) |
13
|
ND
|
0
|
0
|
| zinc |
5,800
|
70.9
|
0
|
1
|
Reference: 3
ND --Not Detected (for medians, in more than
½ the samples)
1. As of October 1, 1995, the environmental protection and
regulation functions of the Michigan Department of Natural Resources (MDNR)
were transferred to the newly-formed Michigan Department of Environmental Quality
(MDEQ).
2. Michigan's groundwater monitoring program was transferred from the MDPH Bureau
of Environmental and Occupational Health to the MDEQ Division of Drinking Water and
Radiological Protection on April 1, 1996.
3. The MDEQ Industrial and Commercial Cleanup Criteria for lead were developed using
the EPA Integrated Uptake Biokinetic Model for children. No risk assessment methods are
currently available to evaluate lead toxicity in adults.
4. The U.S. EPA Maximum Contaminant Level (MCL) (also used
by the MDEQ) for cis-1,2-dichloroethylene is 70 ppb (6).
