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PUBLIC HEALTH ASSESSMENT

SINCLAIR REFINERY
WELLSVILLE, ALLEGANY COUNTY, NEW YORK


APPENDIX A


Figure 1. Location of the Sinclair Refinery


Figure 2. Current Site Ownership


Figure 3. Occupants of Buildings Currently On-Site


Figure 4. Past Potential Sources of Contaminants and Current Fencing in the Refinery Area


Figure 5. Sinclair Refinery Landfill Site


Figure 6. Sinclair Off-Site Tank Farm


Figure 7. Northern Oil Water Separator


Figure 8. Benzo(a) Pyrene Findings


Figure 9. Lead in Surface Soil Composite Samples


Figure 10. Benzene in Subsurface Soils


Figure 11. Total Xylenes in Ground Water


Figure 12. Arsenic in Ulfiltered Ground Water

APPENDIX B

Table 1. On-Site Contamination: Refinery Area.
(see Tables 3 and 10 for Public Health Assessment Comparison Values)


Test Parameter Surface Soils
mg/kg
Subsurface Soils1
mg/kg
Groundwater
mcg/L

Conc.

Frequency Conc. Frequency Conc. Frequency

Volatile Organic Compounds            
             

*benzene

ND

0/45 ND-1.45 21/69 ND-1,200 35/56

*ethylbenzene

ND 0/45 ND-3.6 8/69 ND-830 28/56

1,2-dichloroethene

ND 0/45 ND 0/69 ND 0/56

methylene chloride

ND 0/45 ND 0/69 ND 0/56

1,1,2,2-tetra-
chloroethane

ND 0/14 ND-2.100 1/25 ND 0/12

tetrachloroethene

ND 0/45 ND 0/69 ND 0/56

*toluene

ND 0/45 ND-.91 5/69 ND-530 25/56

trichloroethene

ND 0/45 ND 0/69 ND 0/56

*xylene

ND 0/45 ND-26.0 17/69 ND-1,500 33/56
             

Semi-Volatile Compounds

           
             

*benzo(a)pyrene

ND-3.6 5/45 ND-19.0 10/69 ND 0/56

*2-methylnaphthalene

ND-13.0 2/45 ND-17.0 20/69 ND-340 25/56

*naphthalene

ND 0/45 ND-27.1 15/69 ND-170 10/56

*nitrobenzene

ND 0/45 ND-.24 2/69 ND-8,200 3/56
             

Inorganics/Metals

           
             

*arsenic

0.3-43 45/45 ND-88 102/118 ND-884 46/51

*barium

28-3,130 31/31 ND-283 46/52 ND-2,360 27/51

*lead

ND-1,190 44/55 1.5-791 116/118 ND-249 23/51

mercury

ND-9.4 28/55 ND-1.95 14/118 ND-0.25 32/51
             

Alkanes

           
             

docosane

ND-120 5/14 ND-25 8/25 ND 0/12

eicosane

ND-34 4/14 ND-5.6 14/25 ND 0/12

*heptadecane

ND-68 3/14 ND-21 16/25 ND-64,000 1/12

hexadecane

ND-32 3/14 ND-1.7 1/25 ND 0/12

*octadecane

ND-25 3/14 ND-9.6 8/25 ND-34,000 0/12

Source: Ebasco, Final Remedial Investigation Report; March 1991.

*Contaminant selected for further evaluation.

1Subsurface soils include boring from monitoring wells.
ND - Not Detected
mg/kg - milligram per kilogram
mg/L - milligram per liter


Table 1. On-Site Contamination: Refinery Area (page 2).

Test Parameter Storm Sewer Water
mcg/L
Storm Sewer
Sediment mg/kg
Outfall Water
mcg/L
Outfall Sediment
mg/kg
Northern Separator
(Water Phase) mcg/L
Conc. Frequency Conc. Frequency Conc. Frequency Conc. Frequency

Conc.

Frequency

Volatile Organic Compounds

               
                     

benzene

4-280 4/4 0.006-1.4 3/3 ND-0.5 1/4 ND 0.3 8-3,300 2/2

ethylbenzene

ND 0/4 ND 0/3 ND 0/4 ND 0/3 ND-3,800 1/2

1,2-dichloroethene

ND 0/4 ND 0/4 ND 0/4 ND 0/3 ND 0/2

methylene chloride

ND 0/4 ND 0/3 ND 0/4 ND 0/3 ND 0/2

1,1,2,2-tetra-
chloroethane

NA - NA - ND 0/4 ND 0/3 NA -

tetrachloroethene

ND 0/4 ND 0/3 ND 0/4 ND 0/3 ND 0/2

toluene

ND-20 2/4 ND 0/3 ND-960 1/4 0.96 1/3 ND 0/2

trichloroethene

ND-49 1/4 ND-5.9 1/3 ND-2 1/4 ND 0/3 30-5,000 2/2

xylene

3-140 4/4 0.008-8.4 3/3 ND 0/4 ND 0/3 ND-2,700 1/2
                     

Semi-Volatile Compounds

               
                 

benzo(a)pyrene

ND 0/4 ND 0/3 ND 0/4 ND 1/3 ND 0/2

2-methylnaphthalene

ND-14 1/4 ND-16 2/3 ND 0/4 ND 1/3 2-710 2/2

naphthalene

ND 0/4 ND 0/3 ND-2 1/4 ND 0/3 ND 0/2

nitrobenzene

ND-109 1/4 ND 0/3 ND 0/4 ND 1/3 ND 0/2
                     

Inorganics/Metals

                   
                     

arsenic

ND-35 3/4 ND-18.4 2/3 ND-13 2/4 0.017-0.052 2/3 12-650 2/2

barium

ND-128 1/4 NA - 53 1/1 NA - NA -

lead

60-370 4/4 111-663 3/3 ND-41 2/4 0.037-0.666 3/3 810-4,100 2/2

mercury

ND 0/4 ND 0/3 26 1/1 .001-.0016 3/3 ND 0/2
                     

Alkanes

                   
                     

docosane

NA - NA - ND 0/4 ND 0/3 NA -

eicosane

NA - NA - ND 0/4 ND 0/3 NA -

heptadecane

NA - NA - ND 0/4 ND 0/3 NA -

hexadecane

NA - NA - ND 0/4 ND 0/3 NA -

octadecane

NA - NA - ND 0/4 ND 0/3 NA -

Source: Ebasco, Final Remedial Investigation Report; March 1991.

1Subsurface soils include soil samples from monitoring wells.

ND - Not Detected
NA - Not Analyzed
mg/L - milligram per liter
mg/kg - milligram per kilogram

Table 2. Concentrations Found in Media Not Impacted by the
Refinery Site for the Purpose of Establishing Background Concentrations.

Test Parameter

Unfiltered
Groundwater (mcg/L)

Soils (mg/kg) Genesee River
Surface Water (mcg/L)
Non-River
Surface Water (mcg/L)
Genesee River
Sediment (mg/kg)

Conc.

Frequency Conc. Frequency Conc. Frequency Conc. Frequency Conc. Frequency

Volatile Organic Compounds                
                     

benzene

ND-2 3/7 ND 0.15 ND 0/7 ND-2 1/4 ND 0/3

1,2-dichloroethene

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/4

ethyl benzene

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

methylene chloride

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/4

1,1,2,2-tetra-
chloroethane

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

tetrachloroethene

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/4

trichloroethene

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

toluene

ND-6 2/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

xylene

13 1/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3
                     

Semi-Volatile Compounds

                 
                     

benzo(a)pyrene

ND-12 1/7 ND-2.3 1/15 ND 0/7 ND-16 1/4 ND 0/3

methyl naphthalene

ND 1/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

naphthalene

ND 0/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3

nitrobenzene

ND 1/7 ND 0/15 ND 0/7 ND 0/4 ND 0/3
                     

Inorganics/Metals

                 
                     

arsenic

22-41 2/2 ND-19.0 6/15 ND 0/8 ND 0/4 6.6-13 3/3

barium

ND-249 2/7 28-164 4/4 65 1/1 NA - 73.0 1/1

lead

ND-690 3/7 ND-94 14/15 ND-24 2/8 ND-40 1/4 7.1-12.0 3/3

nickel

ND-84 2/7 ND-40 13/15 ND-460 3/8 ND 0/4 ND-13 1/3
                     

Alkanes

                   
                     

docosane

NA - ND 0/3 ND 0/4 NA - ND 0/2

eicosane

NA - ND 0/3 ND 0/4 NA - ND 0/2

heptadecane

NA - ND 0/3 ND 0/4 NA - ND 0/2

hexadecane

NA - ND 0/3 ND 0/4 NA - ND 0/2

octadecane

NA - ND 0/3 ND 0/4 NA - ND 0/2

Source: Ebasco, Final Remedial Investigation Report; March 1991.

NA - Not Analyzed
ND - Not Detected
mg/L - milligram per liter
mg/kg - milligram per kilogram

Table 3.
Public Health Assessment Comparison Values for Contaminants Found in
Sources of Drinking Water.
[All values in micrograms per liter (mcg/L)]

  Water Quality Standards
New York State
U.S. EPA Comparison
Values
Source*
 

Ground-
water

Surface
Water
Drinking
Water
Drinking
Water

Volatile Organic Compounds        
             

benzene

0.7 0.7 5 5 0.7 NYS CREG

1,2-dichloroethene

5 j 5 g,t 5 j 100t;70k 100t; 70k EPA LTHA

ethylbenzene

5 5 g 5 700;30 ps 700 EPA LTHA

methylene chloride

5 5 g 5 5 4.7 ATSDR CREG

toluene

5 5 g 5 1000;40ps 1,000 EPA LTHA

1,1,2,2-tetra-
chloroethane

5 0.2 g 5 NA 0.18 ATSDR CREG

tetrachloroethene

5 0.7 g 5 5 0.7 NYS CREG

trichloroethene

5 3 g 5 5 3 NYS CREG

xylene (total)

5 n 5 g,n 5 n 10,000;20ps 10,000 EPA LTHA
             

Semi-Volatile Compounds

           
             

benzo(a)pyrene

ND 0.002 g 50 0.2 0.006 ATSDR CREG

2-methylnaphthalene

50 50 g 50 NA    

naphthalene

10 g 10 50 NA 20 EPA LTHA

nitrobenzene

5 30 5 NA 3.6 EPA RfD
             

Inorganics/Metals

           
             

arsenic

25 50 50 50 11 EPA RfD

barium

1,000 1,000 2,000 2,000 2,000 EPA LTHA

lead

25 50 50 50;15**    

mercury

2 2 2 2 2 EPA LTHA

nickel

NA NA NA 100 100 EPA LTHA
             

Alkanes

           
             

docosane

50 NA 50 NA    

eicosane

50 NA 50 NA    

heptadecane

50 NA 50 NA    

hexadecane

50 NA 50 NA    

octadecane

50 NA 50 NA    

NA - not available
g = guidance value
j = applies separately to cis and trans isomers
k = cis isomer only
n = applies to each isomer separately unless isomers are analytically indistinguishable
ND = not detected
p = proposed secondary MCL
ps = proposed secondary MCL
s = secondary MCL
t = trans isomer only

*ATSDR CREG = ATSDR Cancer Risk Evaluation Guide
EPA LTHA = EPA Drinking Water Lifetime Health Advisory
EPA RfD = EPA Reference Dose
NYS CREG = NYS Cancer Risk Evaluation Guideline

**The current maximum contaminant level (MCL) for lead is 50 mcg/L; after December 7, 1992 there will not be a MCL for lead. Effective after that date, there will be a maximum contaminant level goal (MCLG) of zero for lead and an action level of 15 mcg/L at the tap.


Table 4. On-Site Contamination: The Landfill Area.
(see Tables 3 and 10 for Public Health Assessment Comparison Values)

Test Parameter Subsurface Soils
(Includes Test Pit
and Monitoring Well
Soils) mg/kg
Surface Soils
(Include Seeps
and Pool) mg/kg
Surface Water
(Seeps and Pools)
mcg/L
Groundwater
mcg/L
Drummed Wastes
mg/kg

Conc.

Frequency Conc. Frequency Conc. Frequency Conc. Frequency Conc. Frequency

Volatile Organic Compounds                
                 

*benzene

ND-240 3/24 ND 0/4 ND-5.5 1/5 ND-4.5 1/10 ND 0/10

1,2-dichloroethene

ND 0/24 ND 0/14 ND 0/6 ND 0/10 ND 0/10

*ethyl benzene

ND-180,000 6/24 ND-600 2/14 ND 0/6 ND 0/10 ND 0/10

*methylene chloride

ND-1,900 13/24 ND-560 2/14 ND 0/6     ND-5.7 8/10

*1,1,2,2-tetra-
chloroethane

ND-250 1/27 ND-.190 1/14 ND 0/6 ND-12 1/10 ND 0/10

tetrachloroethene

ND 0/24 ND 0/14 ND 0/6 ND 0/10 ND 0/10

*toluene

ND-72,000 5/24 ND-190 1/14 ND 0/6 ND 0/10 ND 0/10

trichloroethene

NR - ND 0/14 ND 0/6 ND 0/10 ND-2.3 2/10

*xylene

ND-50,000 10/24 ND-11,800 3/14 ND-100 1/6 ND 01/0 ND 0/10
                     

Semi-Volatile Compounds

                 
                     

*benzo(a)pyrene

ND-45 2/24 ND 0/17 ND 0/6 ND 0/10 ND 0/10

2-methyl naphthalene

ND 0/24 ND 0/14 ND 0/6 ND 0/10 ND 0/10

naphthalene

ND-79 6/24 ND 0/14 ND 0/6 ND 0/10 ND 0/10

nitrobenzene

ND 0/24 ND 0/14 ND 0/6 ND 0/10 ND-7,300 1/10
                     

Inorganics/Metals

                   
                     

*arsenic

4.2-70.8 24/24 24-74 14/14 ND-26 5/6 ND-62.0 10/13 ND-64 9/10

barium

NA - NA - NA - NA - NA -

*lead

1-1,240 24/24 109-1,670 14/14 ND-310 3/6 31-160 3/3 7.2-1,600 10/10
                     

Alkanes

                   
                     

docosane

ND-10,000 12/27 ND-690 6/14 ND-9.8 1/6 ND 0/12 ND-180 2/10

eicosane

ND-350 7/27 ND-3700 3/14 ND 0/6 ND-18 2/10 ND-16 2/10

heptadecane

ND-120 7/27 ND-870 6/14 ND-33 2/6 ND-50 3/10 ND-190 2/10

hexadecane

ND-110 4/27 ND-370 3/14 ND-19 1/6 NA 0/10 ND-180 2/10

octadecane

ND-200 5/27 ND-740 5/14 ND-22 2/6 ND-25 3/10 ND 0/10

Source: Ebasco, Final Remedial Investigation Report; March 1991.

*Contaminant selected for further evaluation.
NA - Not Analyzed
ND - Not Detected
mg/kg - milligram per kilogram
mg/L - microgram per liter


Table 5. On-Site Contamination: The Off-Site Tank Farm.
(see Tables 3 and 10 for Public Health Assessment Comparison Values)

Test Parameter

Subsurface Soils
mg/kg

Surface Soils
mg/kg
Groundwater
mcg/L

Conc.

Frequency Conc. Frequency Conc. Frequency

Volatile Organic Compounds          
             

benzene

ND 0/6 .0008-.077 7/7 ND 0/3

1,2-dichloroethene

ND 0/6 ND 0/7 ND 0/3

ethyl benzene

ND 0/6 ND 0/7 ND 0/3

methylene chloride

ND 0/6 ND 0/7 ND -

1,1,2,2-tetra-
chloroethane

ND 0/6 ND 0/1 NA -

tetrachloroethene

ND 0/6 ND 0/7 ND 0/3

toluene

ND-.0039 1/6 ND 0/7 ND 0/3

trichloroethene

ND 0/6 ND 0/7 ND 0/3

xylene

ND 0/6 ND-2.440 1/7 ND 0/3
             

Semi-Volatile Compound

           
             

benzo(a)pyrene

ND 1/6 ND 0/7

ND

0/3

2-methyl naphthalene

ND 1/6 ND 0/7 ND 0/3

naphthalene

ND 1/6 ND 0/7 ND 0/3

nitrobenzene

ND 1/6 ND 0/7 ND 0/3
             

Inorganics/Metals

           
             

*arsenic

ND-19.5 2/6 12.9-23.9 7/7 ND 0/3

barium

NA - NA - ND 0/3

lead

9.3-39.1 6/6 22/103 7/7 ND 0/3

mercury

ND 0/6 ND 0/7 ND 0/3
             

Alkanes

           
             

docosane

ND 0/6 ND 0/7 NA -

eicosane

ND 0/6 ND 0/7 NA -

heptadecane

ND 0/6 ND 0/7 NA -

hexadecane

ND 0/6 ND 0/7 NA -

octadecane

ND 0/6 ND 0/7 NA -

Source: Ebasco, Final Remedial Investigation Report; March 1991.

*Contaminant selected for further evaluation.
NA - Not Analyzed/Not Available
ND - Not Detected
mg/kg - milligram per kilogram
mg/L - milligram per liter


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