Appendix 6 Detailed Risk Modeling Results 
Source Category Facility NEI ID Facility Name Address 

Styrene Butadiene Rubber and Latex Production NEI11906

THE DOW CHEMICAL COMPANY U.S.A., MIDLAND

1261 BUILDING D STREET 1261 BUILDING MICHIG 

Styrene Butadiene Rubber and Latex Production NEI13230 GOODYEAR HOUSTON CHEM PLT 2000 GOODYEAR DR 

Styrene Butadiene Rubber and Latex Production NEI33015

LION COPOLYMER/BATON ROUGE PLANT 5955 SCENIC HWY 

Styrene Butadiene Rubber and Latex Production NEI43289

DOW NORTH AMERICA ALLYN'S POINT PLANT 1761 RTE 12 

Styrene Butadiene Rubber and Latex Production NEI8108 DOW CHEMICAL CO. DALTON PLANT 1468 PROSSER DR. S.E

Styrene Butadiene Rubber and Latex Production NEI8360 AMERIPOL SYNPOL CORP.

1615 MAIN ST AT INTEWITH SPUR 136 

Table 1 - Facility Identification Information

1 of 1
Cancer 

MIR

Cancer

 Incidence

Noncancer 

Max HI

Target 

Organ

Cancer 

MIR

Noncancer 

Max HI

Targe

Organ

NEI11906 2.15E-06 5.22E-05 2.75E-02 reproductive 4.00E-05 8.23E-01 RespiratNEI13230 7.05E-06 3.16E-03 1.17E-01 reproductive 9.65E-06 1.08E+00 Respirat

NEI33015 3.42E-06 1.54E-04 5.70E-02 reproductive 7.00E-05 9.99E-01 ReproducNEI43289 8.19E-07 4.85E-06 3.32E-02 respiratory 1.16E-06 7.73E-02 RespiratNEI8108 2.38E-07 4.34E-06 3.96E-03 reproductive 1.65E-07 2.74E-03 ReproducNEI8360 9.89E-06 6.07E-04 1.61E-01 reproductive 2.04E-05 3.31E-01 Reproduc1 BOLD indicates a cancer risk great than 1 in a million or a noncancer risk greater than 12 Facility cancer risk represent MIR at census block locations using Draft 2005 NATA

Facility NEI ID

 Source Category Chronic Risk 1

Table 2 – Maximum Predicted HEM-3 Chronic Risks

 Facility-Wide Chronic Risk 1, 2

1 of 1
REL AEGL1 AEGL2 ERPG1 ERPG2

NEI11906 1,3-Butadiene 0.00E+00 8.20E-04 1.02E-04 8.20E-04 1.02E-04

NEI11906 Acrylic acid 7.25E-02 9.88E-02 3.11E-03 9.88E-02 3.11E-03

NEI11906 Acrylonitrile 0.00E+00 1.69E-02 1.30E-03 7.69E-03 2.20E-03

NEI11906 Ethyl acrylate 0.00E+00 2.13E-03 4.83E-04 2.13E-03 4.83E-04

NEI11906 Methanol 3.64E-02 1.48E-03 3.77E-04 1.48E-03 3.77E-04

NEI11906 Methyl methacrylate 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI11906 Methyl methacrylate 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI11906 Styrene 7.28E-02 1.80E-02 2.78E-03 1.80E-02 2.78E-03

NEI13230 1,3-Butadiene 0.00E+00 3.66E-03 4.57E-04 3.66E-03 4.57E-04

NEI13230 Carbon disulfide 1.48E-01 2.30E-02 1.84E-03 2.30E-02 1.84E-03

NEI13230 Ethyl benzene 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI13230 Styrene 2.43E+00 6.00E-01 9.27E-02 6.00E-01 9.27E-02

NEI13230 Toluene 2.28E-04 1.13E-05 1.88E-06 1.13E-05 4.45E-06

NEI13230 Xylenes (mixed) 8.90E-04 3.50E-05 4.90E-06 0.00E+00 0.00E+00

NEI33015 1,3-Butadiene 0.00E+00 5.26E-04 6.58E-05 5.26E-04 6.58E-05

NEI33015 Styrene 5.40E-02 1.33E-02 2.06E-03 1.33E-02 2.06E-03

NEI43289 1,3-Butadiene 0.00E+00 1.36E-04 1.69E-05 1.36E-04 1.69E-05

NEI43289 Acrylic acid 8.68E-03 1.18E-02 3.72E-04 1.18E-02 3.72E-04

NEI43289 Ethyl benzene 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI43289 Styrene 1.84E-02 4.56E-03 7.04E-04 4.56E-03 7.04E-04

NEI8108 1,3-Butadiene 0.00E+00 6.01E-05 7.51E-06 6.01E-05 7.51E-06

NEI8108 Acrylic acid 1.57E-03 2.15E-03 6.75E-05 2.15E-03 6.75E-05

NEI8108 Ethyl benzene 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI8108 Hydrochloric acid 4.89E-04 3.81E-04 3.11E-05 3.81E-04 3.11E-05

NEI8108 Styrene 5.31E-02 1.31E-02 2.03E-03 1.31E-02 2.03E-03

NEI8108 Vinylidene chloride 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI8360 1,3-Butadiene 0.00E+00 1.18E-03 1.48E-04 1.18E-03 1.48E-04

NEI8360 Benzene 5.89E-03 4.50E-05 2.94E-06 4.50E-05 2.94E-06

NEI8360 Ethyl benzene 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

NEI8360 Styrene 7.13E-01 1.76E-01 2.72E-02 1.76E-01 2.72E-02

NEI8360 Toluene 1.50E-04 7.42E-06 1.24E-06 7.42E-06 2.93E-06

NEI8360 Xylenes (mixed) 1.93E-03 7.60E-05 1.06E-05 0.00E+00 0.00E+00

1 Some maximum 

 Note: BOLD indicates acute risks greater than 1

Table 3 – Maximum Predicted Acute Risks (HEM-AERMOD)

Pollutant

Maximum Hazard Quotient1

Facility NEI ID

 1 of 1
NEI13230 Styrene REL 2.43E+00 3.50E-01

Refined AERMOD Modeling; Examined results for 

maximum off-site impact

Table 4 – Maximum Predicted Acute Risks Greater than 1 (Refined Approach)

Refined Modeling Approach 2 Pollutant Criteria

HEM-3

(Screening)

Refined

Results 1

2

 Indicates modeling technique used to refined estimates; see Appendix 7 for figures depicting off-site impacts

Facility NEI ID

1

 Facilites with a HEM-3 screening acute value greater than 1 were remodeled with a more refined approach

1 of 1