Attachment 3

Estimated impacts of facility emissions to soil

  -------------------------------- ---------------- --------------- -------------
  Chemical of Potential Concern    Concentrations                   
                                   in Soil (mg/kg)                  

                                   Worst-case       Background^A^   Benchmark
                                   modeled                          
                                   increment due to                 
                                   project                          
                                   emissions.                       

  Arsenic                          9.97E-04         5.10E+00        4.60E+01^B^

  Barium                           2.19E-02         6.90E+01        2.00E+03 ^B^

  Beryllium                        5.98E-05         7.34E-01        3.40E+01 ^B^

  Cadmium                          5.48E-03         1.10E+00        3.60E-01 ^B^

  Chromium                         6.98E-03         2.70E+01        3.40E+01 ^B^

  Chromium, VI, particulate        2.04E-04         NA              8.10E+01 ^B^

  Cobalt                           4.19E-04         4.61E+00        2.30E+02 ^B^

  Copper                           4.24E-03         3.00E+01        4.90E+01 ^B^

  Manganese                        1.62E-02         1.90E+02        4.00E+03 ^B^

  Mercury                          2.54E-02         8.00E-02        1.00E-01 ^C^

  Molybdenum                       5.48E-03         1.20E+00        2.00E+00 ^D^

  Nickel                           1.05E-02         1.60E+01        1.36E+01 ^C^

  Selenium                         1.20E-04         6.00E-01        6.30E-01 ^B^

  Vanadium                         1.15E-02         1.09E+01        2.80E+02 ^B^

  Zinc                             1.45E-01         1.20E+02        7.90E+01 ^B^

  2-Methlnaphtalene                1.79E-04         NA              3.24E+00 ^C^

  3-Methylcholanthrene             1.34E-05         NA              7.79E-02 ^C^

  7,12-Dimethylbenz(a)anthracene   1.19E-04         NA              1.63E+01 ^C^

  Acenaphthene                     8.08E-04         NA              6.82E+02 ^C^

  Acenaphthylene                   3.53E-03         NA              6.82E+02 ^C^

  Anthracene                       1.71E-02         NA              1.48E+03 ^C^

  Benzo(a)anthracene               1.71E-02         NA              5.21E+00 ^C^

  Benzo(a)pyrene                   4.00E-03         NA              1.52E+00 ^C^

  Benzo(b)fluoranthene             1.71E-02         NA              5.98E+01 ^C^

  Benzo(g,h,i)perylene             2.72E-04         NA              1.19E+02 ^C^

  Benzo(k)fluoranthene             1.71E-02         NA              1.48E+02 ^C^

  Chrysene                         1.91E-03         NA              4.73E+00 ^C^

  Dibenzo(a,h)anthracene           1.71E-02         NA              1.84E+01 ^C^

  Fluoranthene                     7.64E-03         NA              1.22E+02 ^C^

  Fluorene                         1.34E-01         NA              1.22E+02 ^C^

  Indeno(1,2,3-cd)pyrene           1.71E-02         NA              1.09E+02 ^C^

  Phenanthrene                     6.74E-03         NA              4.57E+01 ^C^

  Pyrene                           9.02E-04         NA              7.85E+01 ^C^
  -------------------------------- ---------------- --------------- -------------

Notes: A Background concentrations are taken from Table 8 of the
Cambridge Environmental Inc. document, "Ecological Screening Evaluation
for the Proposed Detroit Heavey Oil Upgrade Project," dated November 2,
2007

B U.S. EPA Ecological Soil Screening Level
(http://www.epa.gov/ecotox/ecossl/ )

C U.S. EPA, Region 5, RCRA Ecological Screening Levels
(http://www.epa.gov/RCRIS-Region-5/ca/ESL.pdf )

D Lowest Value listed in the Risk Assessment Information System
(http://rais.ornl.gov/index.shtml )

Estimated impacts of facility emissions to sediment

  -------------------------------- ---------------- -------------- -------------
  Chemical of Potential Concern    Concentrations                  
                                   in Sediment                     
                                   (mg/kg)                         

                                   Worst-case       Background     Benchmark
                                   modeled                         
                                   increment due to                
                                   project                         
                                   emissions.                      

  Arsenic                          9.72E-04         NA             9.79E+00

  Barium                           2.14E-02         NA             NA

  Beryllium                        5.83E-05         NA             NA

  Cadmium                          5.34E-03         NA             9.90E-01

  Chromium (total)                 6.80E-03         NA             4.34E+01

  Chromium (hexavalent)            2.93E-04         NA             NA

  Cobalt                           4.08E-04         NA             5.00E+01

  Copper                           4.13E-03         NA             3.16E+01

  Manganese                        2.93E-02         NA             4.60E+02

  Mercury                          2.02E-03         NA             7.74E-01

  Molybdenum                       5.34E-03         NA             NA

  Nickel                           1.03E-02         NA             2.27E+01

  Selenium                         1.17E-04         NA             NA

  Vanadium                         1.12E-02         NA             NA

  Zinc                             1.41E-01         NA             1.21E+02

  Ammonia                          9.72E-04         NA             9.79E+00

  2-Methlnaphtalene                1.15E-04         NA             2.02E-02

  3-Methylcholanthrene             8.63E-06         NA             8.19E+03

  7,12-Dimethylbenz(a)anthracene   7.67E-05         NA             6.64E+01

  Acenaphthene                     1.59E-05         NA             6.71E-03

  Acenaphthylene                   4.06E-05         NA             5.87E-03

  Anthracene                       1.67E-04         NA             5.72E-02

  Benzo(a)anthracene               1.64E-04         NA             1.08E-01

  Benzo(a)pyrene                   4.69E-03         NA             1.50E-01

  Benzo(b)fluoranthene             1.64E-04         NA             1.04E+01

  Benzo(g,h,i)perylene             8.15E-06         NA             1.70E-01

  Benzo(k)fluoranthene             1.64E-04         NA             2.40E-01

  Chrysene                         1.84E-03         NA             1.66E-01

  Dibenzo(a,h)anthracene           1.61E-04         NA             4.49E-01

  Fluoranthene                     8.70E-03         NA             4.23E-01

  Fluorene                         1.21E-03         NA             7.74E-02

  Indeno(1,2,3-cd)pyrene           1.64E-04         NA             2.00E-01

  Phenanthrene                     1.42E-04         NA             2.04E-01

  Pyrene                           3.18E-05         NA             1.95E-01
  -------------------------------- ---------------- -------------- -------------

Notes: Benchmarks are U.S. EPA, Region 5, RCRA Ecological Screening
Levels

(http://www.epa.gov/RCRIS-Region-5/ca/ESL.pdf ).

Estimated impacts of facility emissions to surface water

  -------------------------------- ---------------- ------------ ----------- -------------
  Chemical of Potential Concern    Concentrations                            
                                   in Surface Water                          
                                   (μg/l)                                    

                                   Worst-case       Background               Benchmark
                                   modeled          ^A^                      
                                   increment due to                          
                                   project                                   
                                   emissions.                                

  Arsenic                          9.38E-06         NA                       1.48E+02^B^

  Barium                           2.06E-04         NA                       2.20E+02 ^B^

  Beryllium                        5.63E-07         NA                       3.60E+00 ^B^

  Cadmium                          5.16E-05         9.12E-03                 1.50E-01 ^B^

  Chromium (total)                 6.57E-05         4.44E-01                 4.20E+01 ^B^

  Chromium (hexavalent)            2.83E-06         NA                       1.10E+01 ^C^

  Cobalt                           3.94E-06         NA                       2.40E+01 ^B^

  Copper                           3.99E-05         8.32E-01                 1.58E+00 ^B^

  Manganese                        2.83E-04         NA                       1.91E+03 ^C^

  Mercury                          1.95E-05         6.55E-03                 1.30E-03 ^B^

  Molybdenum                       5.16E-05         NA                       3.20E+03 ^C^

  Nickel                           9.93E-05         1.21E+00                 2.89E+01 ^B^

  Selenium                         1.13E-06         NA                       5.00E+00 ^B^

  Vanadium                         1.08E-04         NA                       1.20E+01 ^B^

  Zinc                             1.36E-03         1.49E+00                 6.57E+01 ^B^

  Ammonia                          9.38E-06         1.48E+01                 2.90E+01 ^C^

  2-Methlnaphtalene                1.11E-06         NA                       3.30E+02 ^B^

  3-Methylcholanthrene             8.33E-08         NA                       8.91E-02 ^B^

  7.12-Dimethylbenz(a)anthracene   7.41E-07         NA                       5.48E-01 ^B^

  Acenaphthene                     1.53E-07         NA                       3.80E+01 ^B^

  Acenaphthylene                   3.92E-07         NA                       4.84E+03 ^B^

  Anthracene                       1.61E-06         NA                       3.50E-02 ^B^

  Benzo(a)anthracene               1.58E-06         NA                       2.50E-02 ^B^

  Benzo(a)pyrene                   4.35E-05         NA                       1.40E-02 ^B^

  Benzo(b)fluoranthene             1.58E-06         NA                       9.07E+00 ^B^

  Benzo(g,h,i)perylene             7.87E-08         NA                       7.64E+00 ^B^

  Benzo(k)fluoranthene             1.58E-06         NA                       NA

  Chrysene                         1.78E-05         NA                       7.00E+00 ^D^

  Dibenzo(a,h)anthracene           1.56E-06         NA                       4.00E+00 ^B^

  Fluoranthene                     8.40E-05         NA                       1.90E+00 ^B^

  Fluorene                         1.17E-05         NA                       1.90E+01 ^B^

  Indeno(1,2,3-cd)pyrene           1.58E-06         NA                       4.31E+00 ^B^

  Phenanthrene                     1.37E-06         NA                       3.60E+00 ^B^

  Pyrene                           3.07E-07         NA                       3.00E-01 ^B^

  1,3-Butadiene                    1.49E-05         NA                       NA

  Acetaldehyde                     5.24E-04         NA                       1.30E+02 ^C^

  Acrolein                         2.87E-04         NA                       1.90E-01 ^B^

  Benzene                          1.86E-02         Non-Detect               1.14E+02 ^B^

  Chemical of Potential Concern    Concentrations                            
                                   in Surface Water                          
                                   (μg/l)                                    

                                   Worst-case       Background   Benchmark   
                                   modeled                                   
                                   increment due to                          
                                   project                                   
                                   emissions                                 

  Butane                           9.72E-02         NA           NA          

  Dichlorobenzene                  5.56E-05         NA           1.40E+01    
                                                                 ^B^         

  Formaldehyde                     5.88E-03         NA           1.20E+02    
                                                                 ^C^         

  Hexane                           8.33E-02         NA           5.80E-01    
                                                                 ^C^         

  Naphthalene                      7.63E-05         NA           1.30E+01    
                                                                 ^B^         

  Pentane                          1.20E-01         NA           NA          

  Phenol                           1.73E-04         NA           1.80E+02    
                                                                 ^B^         

  Propylene                        1.44E-04         NA           5.00E+05    
                                                                 ^D^         

  Toluene                          3.15E-02         Non-Detect   2.53E+02    
                                                                 ^B^         

  Xylenes                          1.03E-05         Non-Detect   2.70E+01    
                                                                 ^B^         
  -------------------------------- ---------------- ------------ ----------- -------------

Notes: A Background data taken from the U.S. EPA's modern STORET
database (<http://ww.epa.gov/storet>). Average concentrations for
samples taken between 1998 and 2005 by the Michigan Department of
Environmental Quality are presented for a Detroit River sampling station
located slightly more than a mile upstream of Belle Isle (habitat area
to the Northern riffleshell).

B U.S. EPA, Region 5, RCRA Ecological Screening Levels
(http://www.epa.gov/RCRIS-Region-5/ca/ESL.pdf ) C Michigan Department of
Environmental Quality Rule 57 Water Quality Values for surface water
benchmarks
(http//www.michigan.gov/documents/deq/wb-swas-rule57_210455_7.xls).

D Lowest Value listed in the Risk Assessment Information System
(http://rais.ornl.gov/index.shtml )