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PUBLIC HEALTH ASSESSMENT

ODESSA SUPER SITE
(a/k/a SPRAGUE ROAD GROUND WATER PLUME)
ECTOR, ECTOR COUNTY, TEXAS


APPENDICES

APPENDIX A -

Acronyms and Abbreviations
ATSDR Agency for Toxic Substances and Disease Registry
TDH Texas Department of Health
TWC Texas Water Commission
TNRCC Texas Natural Resource Conservation Commission
EPA U.S. Environmental Protection Agency
PHA Public Health Assessment
CERCLA Comprehensive Environmental Response, Compensation and Liability Act of 1990
SARA 1986 Superfund Amendments and Reauthorization Act
NPL National Priorities List
LMP Leigh Metal Plating, Inc.
NCC National Chromium Corporation
M&C Machine and Casting, Inc.
SSI Screening Site Inspection
PA Preliminary Assessment
HAC Health Assessment Comparison Value
EMEG Environmental Media Evaluation Guide
CREG Carcinogenic Risk Evaluation Guide
RfD Reference Dose
MRL Minimal Risk Level
MCL Maximum Contaminant Level
LTHA Lifetime Health Advisory
MCLG Maximum Contaminant Level Goal
PMCLG Proposed Maximum Contaminant Level Goal
DCE Dichloroethylene
g/L Micrograms per Liter
mg/kg Milligrams per Kilogram
VOCs Volatile Organic Compounds
Semi-VOCs Semi Volatile Organic Compounds



APPENDIX B - Figures


Figure 1. Site Location


Figure 2a. Sprague Road Groundwater Plume and Groundwater Flow Map


Figure 2b. Detailed Groundwater Plume Map


Figure 3. Leigh Metal Plating Site Map


Figure 4. National Chromium Corporation Site Map


Figure 5. Machine and Casting, Inc. Site Map





APPENDIX C

Water Wells Identified in the Vicinity of
Sprague Road Groundwater Plume National Priorities List Site

Leigh Metal Plating
0-1/4 mile

1/4 -1/2 mile

- 1 mile

1- 4 miles


3 private, 1 industrial

25 private, 6 industrial, 2 municipal

24 private, 7 industrial, 5 municipal (2 active)

325 private, 30 industrial, 55 municipal (10active), and 10 irrigation

National Chromium
0-1/4 mile

1/4 -1/2 mile

- 1 mile

1- 4 miles

(see Leigh Metal Plating)
Machine and Casting
0-1/4 mile

1/4 -1/2 mile

- 1 mile

1- 4 miles


1 private, 1 industrial, 0 public

9 private, 0 industrial, 4 public

16 private, 8 industrial, 8 municipal (2active)

437 private, 54 industrial, 63 municipal (30active), 10 irrigation, 21 other


APPENDIX D - Tables

APPENDIX D - Table 1

Sprague Road NPL Site
EPA Well Water Analyses
August 1996

Sample ID Total Chromium (mg/L) Hexavalent Chromium (mg/L) Comments
NMW-1(Onsite) <0.020 <0.01 National Chromium Monitor Well #1
NMW-2(Onsite) <0.020 <0.01 National Chromium Monitor Well #2
NMW-3(Onsite) 17.382 17.800 National Chromium Monitor Well #3
NMW-4(Offsite) <0.02 <0.01 National Chromium Monitor Well #4
NMW-5(Offsite) 0.339 0.290 National Chromium Monitor Well #5
NMW-IPS(Offsite) 0.320 0.294 National Chromium Monitor Well #5 (Duplicate of NMW-5)
NMW-6(Offsite) <0.020 <0.01 National Chromium Monitor Well #6
NMW-7(Onsite) <0.020 <0.01 National Chromium Monitor Well #7
N-3(Offsite) 0.049 <0.01 2627 Stevens Rd Well #2
N-6(Offsite) 0.165 0.119 Nation Chromium Well (2627 Stevens Rd property) Well #1
N-9(Offsite) 0.109 <0.01 2627 Stevens Rd Well #3 (inoperable)
LMW-1(Onsite) 0.026 <0.01 Leigh Metals Monitor Well #1
LMW-2(Offsite) 0.845 0.418 Leigh Metals Monitor Well #2
LMW-3(Offsite) 0.876 0.836 Leigh Metals Monitor Well #3
LMW-4(Offsite) 0.026 <0.01 Leigh Metals Monitor Well #4
LMW-5(Offsite) 0.205 0.185 Leigh Metals Monitor Well #5
LMW-6(Offsite) 2.584 2.420 Leigh Metals Monitor Well #6
LMW-7(Onsite) 0.165 0.161 Leigh Metals Monitor Well #7
LMW-8(Offsite) 0.041 <0.01 Leigh Metals Monitor Well #8
LMW-9(Offsite) 0.519 0.488 Leigh Metals Monitor Well #9
LMW-10(Offsite) <0.020 <0.01 Leigh Metals Monitor Well #10
L-6(Offsite) <0.020 <0.01 Leigh Metal Coating & Plastics 2720 W 81st St (unoccupied)
L-7(Offsite) 0.065 0.033 Occupied Rent House 2706 W 81st St (on city water)
L-8(Offsite) 4.215 4.450 2623 W 81st Street (Occupied, on city water)
Hedger's (Offsite) 4.222 3.980 2623 W 81st (Duplicate of L8)
L-9(Offsite) 0.106 0.071 Residence (2521 W 81st St)
L-10(Offsite) 0.206 0.140 Vacant Residence (2515 W 81st St)
L-11(Offsite) 0.358 0.343 Occupied Residence (2513 W 81st St) (Occupied, uses well for bathing showering, drinks bottled water)
L-13(Offsite) 0.041 <0.01 Residence Well (2507 W 81st St)
L-14(Offsite) 1.720 1.750 Vacant Lot, Mary Francis St (east southeast of LMP)
L-15(Offsite) 0.652 0.627 Machine Shop Well (between LMP and WFJ Drilling on W 81st St)
L-16(Offsite) 1.380 1.300 Torn Down House at W 81st and Mary Francis St
L-51(Offsite) 1.390 1.370 Torn Down House at W 81st and Mary Francis St (duplicate of L-16)
L-19(Offsite) 0.213 <0.01 WFJ Tool Well (2600 W 81st St)
L-50(Offsite 0.213 <0.01 WFJ Tool Well (Duplicate of L-19)
L-24(Onsite) 0.060 <0.01 Leigh Metals Drinking Water Well (no users)
MMW-1(Onsite) 0.024 <0.01 Machine and Casting Monitoring Well #1
MMW-2 (Offsite) 0.025 <0.01 Machine and Casting Monitoring Well #2
MMW-3(Onsite) <0.020 <0.01 Machine and Casting Monitoring Well #3
M-2(Onsite) 0.029 <0.01 Machine and Casting Abandoned Well
M-50(Onsite) 0.037 <0.01 Machine and Casting Abandoned Well (duplicate of M-2)
M-3(Offsite) 0.033 0.005 Residence Windmill Well (residence east of Machine and Casting)
M-5(Offsite) 0.027 0.011 Vacant Lot Well, Hillmont and Mary Francis St (east of Machine and Casting)
M-21(Offsite) 0.046 <0.01 Well east of Machine and Casting
M-25(Offsite) 0.079 <0.01 Mica Tool Well (east of Machine and Casting)


APPENDIX D - Table 2

Groundwater Sampling Data

Constituent Sample Identification Max.
Conc.
(g/L)
Background
Samples (2700 83rd St)
(g/L)
Health Based Comparison Value (g/L)
Leigh Metal Plating (April 18-19, 1995)
Bromacil
Bis(2-ethylhexyl) phthalate Bromodichloromethane
Chloroform
1,2-dichloroethane
2-Propanol
Arsenic
Barium
Chromium
Copper
Iron
Lead
Manganese
Zinc
GW7
GW17
GW-16 (BLANK)
GW-16 (BLANK)
GW-3 (PWS#34)
GW17 (2623 W81st St)
GW-04 (PWS#67)
GW-9 (2513 W 81st St)
GW-7(2521 W 81st St)
GW-4
GW-3 (PWS #34)
GW17 (2623 W 81st St)
GW-3 (PWS #34)
GW-1(PWS#30)
27
24.9
8.8
36.2
7.2
72.0
4.7
75
4,540
36
531
3.5
11
109
ND
ND
ND
ND
ND
ND
ND
48
ND
ND
ND
ND
ND
76
90 LTHA
6 MCL; 3 CREG; 200 RMEGchild
100 PMCL; 0.6 CREG (B2)
100 PMCL; 6 CREG; 100 RMEG
5 MCL; 0.4 CREG (B2);2000 E
None available
50 MCL; 0.02 CREG (A); 3/10 E
2000 MCL; 700 RMEG
100 MCL; 50/200 RMEG
1300 MCLG
None available
0 MCLG; 15 EPA Action Level
50/200 RMEG
2000 LTHA; 3000/10000 EMEG
National Chromium Corporation (May 14-16, 1996)
Bromacil
1,1-Dichloroethane
1,1-Dichloroethene
Barium
Chromium
Copper
Iron
Nickel
Selenium
Zinc
GW13
GW-02 (2627 Stevens)
GW-06 (2627 Stevens)
GW-08 (2420 Stoner)
GW-16 (MW8-LMP)
GW-11 (7600Sprague)
GW-16
GW-16
GW-02(2627 Stevens)
GW-09 (7405 Diana)
6
3.0
2.7
71
108
46
1,570
42
11.6
409
ND
ND
ND
46
ND
ND
ND
ND
ND
161
90 LTHA
None available
7 MCL; 0.06 CREG C; 90 EMEGchild
2000 MCL; 700 RMEG
100 MCL; 50/200 R
1300 MCLG
None available
100MCL: 200/700 RMEG
50 MCL; 20/70 EMEG
2000 LTHA; 3000 EMEG
Machine and Casting, Inc (December 22, 1992)
Bis(2-ethylhexyl)phthalate
Barium
Chromium
Iron
Selenium
Zinc
DW17 (FABCO)
DW16(W C Well Co)
DW16 (WC Well Co)
DW16 (WC Well Co)
DW17 (FABCO)
DW16(WC Well Co)
129
35
1,130
116
5.0
951
66.5
50
ND
68
6
107
6 MCL; 3 CREG; 200 RMEG
2000 MCL; 700 RMEG
100 MCL; 50/200 RMEG
None available
50 MCL; 20/70 EMEG
2000 LTHA; 3000 EMEG

* All other Semivolatile Organic Compounds analyzed for were below detection
MCL-Maximum Contaminant Level
RMEG=Reference dose based Media Evaluation Guide
EMEG= Environmental Media Evaluation Guide


APPENDIX D - Table 3

Soil Sampling Data
Leigh Metal Plating
April 17, 1995

Constituent Sample ID Max.Conc.
(mg/kg)
Background Sample
(SO08) Conc. (mg/kg)
Health Based Comparison Value
(mg/kg)
Fluoranthene
Pyrene
Butylbenzylphthalate
Chrysene
Benzo(b)fluoranthene
Benzo(k)fluoranthene
Di-n-octyl phthalate
Phenanthrene
Di-n-butyl phthalate
Toluene
Endrin aldehyde
Aluminum
Antimony
Arsenic
Barium
Cadmium
Chromium
Cobalt
Copper
Iron
Lead
Manganese
Mercury
Nickel
Selenium
Thallium
Vanadium
Zinc
SO04
SO04
SO01
SO02
SO01
SO01
SO02
SO04
SO04
SO03
SO01
SO03
SO01
SO02
SO06
SO06
SO06
SO02
SO06
SO02
SO02
SO02
SO01
SO01
SO01
SO06
SO02
SO06
0.039J
0.034J
0.024J
0.020J
0.021J
0.018J
0.037J
0.019J
0.020J
0.002 J
0.0075 P
5,210
25.2
12.5
184
2.3
36,500
41.2
1,750
59,000
185
657
0.16
1,410
2.9
2.2
28.3
469
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
5,320
0.61U
2.5
69.8
0.20U
13.1
3.3B
7.3
5,690
10.0
160
0.10U
6.3B
0.82U
1.0U
9.9B
22.4
2000/30000RMEG
2000/20000 RMEG
10000/100000RMEG
B2
B2
B2
None available
None available
5000/70000RMEG
1000/10000 EMEG
20/200 RMEG
None available
20/300 RMEG
20/200 R; 0.5 CREG
4000/50000 RMEG
40/500 EMEG
300/4000 RMEG
None available
None available
None available
400 EPA action level; B2
300/4000 RMEG
100/1000 iEMEG
1000/10000 cEMEG
100/1000EMEG
4/60 RMEG
200/2000 EMEG
20000/200000 RMEG

U- Below detection limit
B- detected in blank
J- estimated concentration
B2- Probable human carcinogen


APPENDIX D - Table 4

Soil Sampling Data
National Chromium Corporation
May 17, 1996

Constituent Sample ID Max. Conc.
(mg/kg)
Background Sample
(SO1/SO11) Conc.
(mg/kg)
Health Based Comparison Value
(mg/kg)

Aluminum
Antimony
Arsenic
Barium
Cadmium
Chromium
Cobalt
Copper
Iron
Lead
Manganese
Nickel
Selenium
Silver
Thallium
Vanadium
Zinc

SO20
SO9
SO10
SO9
SO9
SO10
SO9
SO7
SO9
SO9
SO9
SO9
SO14
SO9
SO10
SO14
SO7
10,400
26.8
9.4
216
1.7
32,400
9.9
550
35,100
1,300
234
48.8
1.3J
2.8
13.2
29.2
260J
7,910
2.4U
3.5
84.3
0.33L
13.6
3.5L
7.3
7,300
15.4
193
7.3LJ
1.3
0.81L
120L
0.64U
32.5J
None available
20/300 RMEG
20/200 RMEG; 0.5 CREG
4000/50000 RMEG
40/500 EMEG
300/4000 RMEG; A
None available
None available
None available
400 EPA action level; B2
300/4000 RMEG
1000/10000 EMEG
100/1000 EMEG
300/4000 RMEG
4/60 RMEG
200/2000 EMEG
20000/200000 RMEG

U- below detection limit
L- reported concentration between lab reported detection limit and contract required detection limit
J- estimated concentration
SO-9 and SO10 are scrap yard contaminated soil grab samples
A-Human carcinogen
B2- Probable human carcinogen

APPENDIX D - Table 5

Soil Sampling Data
Machine and Casting, Inc
December 22, 1992
Constituent Sample ID Max. Conc.
(mg/kg)
Background Sample (SS-11) Conc./BBC* (mg/kg) Health Based Comparison Value (mg/kg)
4-Dibrophenylphenylether
Dibenz(ah)anthracene
Aluminum
Arsenic
Barium
Chromium
Cobalt
Copper
Iron
Lead
Manganese
Nickel
Vanadium
Zinc
Cyanide
SS04/SS10
SS04/SS10
SS04
SS05
SS06
SS15
SS05
SS15
SS07
SS15
SS04
SS14
SS14
SS15
SS13
360J/340J
360J/340J
10,200
9.30J
606
54.10J
4.20J
240.0
7800J
37.20J
220J
24.80J
43.60J
218.00J
1.10
370U/0.33
370U/0.33
8,230
3.10J/6.20
265
11.10J/33.30
3.20J
7.20B
5,390J
18.30J/54.90
93.60
8.10J/24.30
26.40J/79.20
30.00J/90.00
0.56/1.68
None available
B2
None available
20/200 R; 0.5 CREG
4000/50000 RMEG
300/4000 RMEG; A
None available
None available
None available
400 EPA action level;B2
300/4000 RMEG
1000/10000 EMEG
200/2000 EMEG
20000/200000 RMEG
1000/10000 RMEG

*BBC -Background Benchmark Concentrations (Value is either the quantitation limit or 3X measured background)
J -Estimated concentration
B- Detected in the blank
U- below detection
B2-Probable human carcinogen
A- Human carcinogen

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