PUBLIC HEALTH ASSESSMENT
ODESSA SUPER SITE
(a/k/a SPRAGUE ROAD GROUND WATER PLUME)
ECTOR, ECTOR COUNTY, TEXAS
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 |
| µg/L | Micrograms per Liter |
| mg/kg | Milligrams per Kilogram |
| VOCs | Volatile Organic Compounds |
| Semi-VOCs | Semi Volatile Organic Compounds |
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
|
Water Wells Identified in the Vicinity of | |
| Leigh Metal Plating 0-1/4 mile 1/4 -1/2 mile ½ - 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 (10 active), and 10 irrigation |
| National Chromium 0-1/4 mile 1/4 -1/2 mile ½ - 1 mile 1- 4 miles |
(see Leigh Metal Plating) |
| Machine and Casting 0-1/4 mile 1/4 -1/2 mile ½ - 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 (30 active), 10 irrigation, 21 other |
| APPENDIX D - Table 1
Sprague Road NPL Site |
|||
| 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. |
Background |
Health Based Comparison Value (µg/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 |
||||
| 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 |
||||
| Constituent | Sample ID | Max. Conc. (mg/kg) |
Background Sample (SO1/SO11) Conc. (mg/kg) |
Health Based Comparison Value (mg/kg) |
|
Aluminum |
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 |
||||
| 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
