A EPA United States Office of Chemical Safety and Environmental Protection Agency Pollution Prevention Final Risk Evaluation for 1,4-Dioxane Supplemental Information File on Ambient Water Exposure Modeling Outputs from E-FAST CASRN: 123-91-1 /(X December 2020 ------- This supplemental file contains the model outputs for all runs conducted in E-FAST 2014 for the purposes of estimating surface water concentrations for the ambient water to general population pathway. Contents Occupational Exposure Scenario (OES): MANUFACTURING 3 Occupational Exposure Scenario (OES): INDUSTRIAL USES 7 Occupational Exposure Scenario (OES): OPEN SYSTEM FUNCTIONAL FLUIDS 53 Occupational Exposure Scenario (OES): SPRAY FOAM APPLICATION 66 Occupational Exposure Scenario (OES): DISPOSAL 70 2 of 76 ------- OES: MANUFACTURING 3 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 MFG 00 Assessor: ENVIRONMENTAL RELEASES Scenario#:l Number of Release Sites: 1. Release Activity: BASF 250 dy, NPDES LA0004057 Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 620.00 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 2.48 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 4 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 MFG 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: BASF 250 dy, NPDES LA0004057 FACILITY NAME: GRANT CHEMICAL-BATON ROUGE FACILITY LOCATION: ZACHARY LA 70791 RECEIVING WATER NAME: BAYOU BATON ROUGE REACH NUMBER: 08070201015 FACILITY ON REACH: No DISCHARGE TYPE: Direct NPDES PERMIT #: LA0004057 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 2.48 2.48 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 51.59 25.65 15.32 12.75 NA CONCENTRATION (jig/L) 48.07 96.69 161.88 194.51 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 1.81E-04 mg/kg/day 1.39E-02 mg/L 3.92E-06 mg/kg/day 4.18E-02 mg/kg Acute ADRpot 3.66E-03 mg/kg/day 5.03E-04 mg/kg/day Surface Water Comments: 5 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 MFG 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: BASF 250 dy, NPDES LA0004057 FACILITY NAME: GRANT CHEMICAL-BATON ROUGE FACILITY LOCATION: ZACHARY LA 70791 RECEIVING STREAM NAME: BAYOU BATON ROUGE REACH NUMBER: 08070201015 NPDES PERMIT NUMBER: LA0004057 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 124.49 FACILITY ON REACH: No GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 15.32 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):0.60 RESULTS COC (|ig/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 2.48 0.00 6 of 76 ------- OES INDUSTRIAL USES 7 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Ineos 250 dy Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 722.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 2.89 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 8 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 Number of Sites: 1 RELEASE ACTIVITY:Ineos 250 dy SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 250. 2.89 2.89 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 10.03 23.34 36.97 43.75 ALL 10 39.60 13.29 7.76 7.57 72.98 217.46 372.42 381.77 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 3.78E-05 j 2.75E-04 mg/kg/day 8.18E-07 j 5.95E-06 mg/kg/day LADCpot 2.91E-03 j 2.11E-02 mg/L 8.72E-03 j 6.34E-02 mg/kg Acute ADRpot 8.84E-04 j 8.24E-03 mg/kg/day 1.05E-04 j 7.64E-04 mg/kg/day SIC Code Comments: 9 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 RELEASE ACTIVITY: Ineos 250 dy SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 250.00 2.89 0.00 High 10 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#:2 Release Activity: Microdyn-Nadir 250 dy Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 24.05 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 9.62E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 11 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 2 Number of Sites: 1 RELEASE ACTIVITY :Microdyn-Nadir 250 dy SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 250. 0.0962 9.62E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 0.33 0.78 1.23 1.46 ALL 10 39.60 13.29 7.76 7.57 2.43 7.24 12.40 12.71 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 1.26E-06 j 9.15E-06 mg/kg/day 2.72E-08 j 1.98E-07 mg/kg/day LADCpot 9.68E-05 j 7.04E-04 mg/L 2.90E-04 j 2.11E-03 mg/kg Acute ADRpot 2.94E-05 j 2.74E-04 mg/kg/day 3.49E-06 j 2.54E-05 mg/kg/day SIC Code Comments: 12 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 2 RELEASE ACTIVITY: Microdyn-Nadir 250 dy SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 250.00 9.62E-02 0.00 High 13 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#:3 Number of Release Sites: 1. Release Activity: St Charles/Union 250 dy Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 827.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 3.31 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 14 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER:3 RELEASE ACTIVITY: St Charles/Union 250 dy FACILITY NAME: UNION CARBIDE CORPORATION FACILITY LOCATION: HAHNVILLE LA 70057 RECEIVING WATER NAME: MISSISSIPPI R REACH NUMBER: 08090100022 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: LA0000191 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 3.31 3.31 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 8.12E+05 2.98E+05 2.47E+05 1.92E+05 NA CONCENTRATION (|ig/L) 4.07E-03 1.11E-02 1.34E-02 1.72E-02 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 1.53E-08 mg/kg/day 1.18E-06 mg/L 3.32E-10 mg/kg/day 3.54E-06 mg/kg Acute ADRpot 4.21E-07 mg/kg/day 4.26E-08 mg/kg/day Surface Water Comments: 15 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 3 RELEASE ACTIVITY: St Charles/Union 250 dy FACILITY NAME: UNION CARBIDE CORPORATION FACILITY LOCATION: HAHNVILLE LA 70057 RECEIVING STREAM NAME: MISSISSIPPI R REACH NUMBER: 08090100022 NPDES PERMIT NUMBER: LA0000191 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 1.14E+06 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A 7ql0 FLOW (MLD): 2.47E+05 EFFLUENT FLOW (MLD): 1677.12 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 3.31 0.00 16 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#:4 Release Activity: Suez 250 dy Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 1.69E+04 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 67.68 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 17 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 4 Number of Sites: 1 RELEASE ACTIVITY:Suez 250 dy SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 250. 67.68 67.68 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 235.00 546.51 865.69 1024.68 ALL 10 39.60 13.29 7.76 7.57 1709.09 5092.55 8721.65 8940.55 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 8.85E-04 j 6.44E-03 mg/kg/day 1.92E-05 j 1.39E-04 mg/kg/day LADCpot 6.81E-02 j 0.50 mg/L 0.20 j 1.49 mg/kg Acute ADRpot 2.07E-02 j 0.19 mg/kg/day 2.46E-03 j 1.79E-02 mg/kg/day SIC Code Comments: 18 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 4 RELEASE ACTIVITY: Suez 250 dy SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 5 17 250.00 67.68 0.00 High 19 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 5 Release Activity: Dow 250 dy Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 647.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 2.59 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 20 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER:5 RELEASE ACTIVITY: Dow 250 dy FACILITY NAME: DOW CHEMICAL CO-PLAQUEMINE FACILITY LOCATION: PLAQUEMINE LA 707650150 RECEIVING WATER NAME: MISSISSIPPI R REACH NUMBER: 08070100007 FACILITY ON REACH: No DISCHARGE TYPE: Direct NPDES PERMIT #: LA0003301 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 2.59 2.59 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 8.12E+05 2.98E+05 2.47E+05 1.92E+05 NA CONCENTRATION (|ig/L) 3.19E-03 8.70E-03 1.05E-02 1.35E-02 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 1.20E-08 mg/kg/day 9.24E-07 mg/L 2.60E-10 mg/kg/day 2.77E-06 mg/kg Acute ADRpot 3.30E-07 mg/kg/day 3.34E-08 mg/kg/day Surface Water Comments: 21 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 5 RELEASE ACTIVITY: Dow 250 dy FACILITY NAME: DOW CHEMICAL CO-PLAQUEMINE FACILITY LOCATION: PLAQUEMINE LA 707650150 RECEIVING STREAM NAME: MISSISSIPPI R REACH NUMBER: 08070100007 NPDES PERMIT NUMBER: LA0003301 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 1.14E+06 FACILITY ON REACH: No GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 2.47E+05 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):4079.80 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 2.59 0.00 22 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#:6 Release Activity: Union Institute 250 dy Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 3820.00 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 15.28 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 23 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER:6 RELEASE ACTIVITY: Union Institute 250 dy FACILITY NAME: UNION CARBIDE CORP FACILITY LOCATION: SOUTH CHARLESTON WV 25303 RECEIVING WATER NAME: KANAWHA R REACH NUMBER: 05050008010 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: WV0000078 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 15.28 15.28 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 1.41E+04 4586.17 3287.88 2635.38 NA CONCENTRATION (|ig/L) 1.09 3.33 4.65 5.80 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot 4.09E-06 mg/kg/day 3.14E-04 mg/L 8.84E-08 mg/kg/day 9.43E-04 mg/kg LADCpot Acute ADRpot 1.26E-04 mg/kg/day 1.14E-05 mg/kg/day Surface Water Comments: 24 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 6 RELEASE ACTIVITY: Union Institute 250 dy FACILITY NAME: UNION CARBIDE CORP FACILITY LOCATION: SOUTH CHARLESTON WV 25303 RECEIVING STREAM NAME: KANAWHA R REACH NUMBER: 05050008010 NPDES PERMIT NUMBER: WV0000078 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 3.34E+04 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 3287.88 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):415.99 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 15.28 0.00 25 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 7 Release Activity: Union Seadrift Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 502.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 2.01 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 26 of 76 ------- INITIAL REVIEW EXPOSURE REPORT CHEMICAL ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES: LAKES, BAYS, ESTUARIES, AND OCEANS SCENARIO #: 7 RELEASE ACTIVITY: Union Seadrift FACILITY NAME: UNION CARBIDE CORP-PORT LAVACA FACILITY LOCATION: SEADRIFT TX 77983 RECEIVING WATER NAME: MATAGORDA BAY REACH NUMBER: 12100402011 FACILITY ON REACH: No DISCHARGE TYPE: Direct NPDES PERMIT #: TX0002844 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PLANT FLOW (MLD) PRETREAT RELEASE (kg/site/day) POST-TREAT RELEASE (kg/site/day) BCF (L/kg) 0. 250. 33.31 2.01 2.01 3.00 AQUATIC EXPOSURE ESTIMATES MIXING ZONE DILUTION FACTOR WATER CONCENTRATION (ug/L) ACUTE SCENARIO 2.50 24.14 CHRONIC SCENARIO 10.00 6.03 FISH INGESTION EXPOSURE ESTIMATES ASSUMPTIONS Exposure Units Results ED AT BW IR (years) (years) (kg) (g/day) Cancer LADDpot (mg/kg/day) 4.92E-07 33.00 78.00 80.00 7.50 LADCpot (mg/kg) 5.25E-03 33.00 78.00 NA NA Acute 27 of 76 ------- ADRpot (mg/kg/day) 2.53E-04 NA 1 day 80.00 279.00 Lakes Comments: 28 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: BASF 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 2.98 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 1.19E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 29 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: BASF 250 FACILITY NAME: BASF CORPORATION FACILITY LOCATION: MONACA PA 15061 RECEIVING WATER NAME: RACCOON CR REACH NUMBER: 05030101004 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: PA0092223 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.0119 1.19E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 120.17 34.59 20.88 17.34 NA CONCENTRATION (|ig/L) 9.90E-02 0.34 0.57 0.69 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 3.73E-07 mg/kg/day 2.87E-05 mg/L 8.07E-09 mg/kg/day 8.61E-05 mg/kg Acute ADRpot 1.30E-05 mg/kg/day 1.04E-06 mg/kg/day Surface Water Comments: 30 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: BASF 250 FACILITY NAME: BASF CORPORATION FACILITY LOCATION: MONACA PA 15061 RECEIVING STREAM NAME: RACCOON CR REACH NUMBER: 05030101004 NPDES PERMIT NUMBER: PA0092223 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 518.32 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 20.88 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):7.05 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 1.19E-02 0.00 31 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Cherokee 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 1.66 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 6.62E-03 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 32 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Cherokee 250 FACILITY NAME: MERCK & COMPANY INC - CHEROKEE FACILITY LOCATION: DANVILLE PA 178210600 RECEIVING WATER NAME: SUSQUEHANNA R REACH NUMBER: 02050107001 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: PA0008419 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.00662 6.62E-03 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 1.06E+04 2519.35 1768.47 1423.67 NA CONCENTRATION (|ig/L) 6.25E-04 2.63E-03 3.74E-03 4.65E-03 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 2.36E-09 mg/kg/day 1.81E-07 mg/L 5.10E-11 mg/kg/day 5.44E-07 mg/kg Acute ADRpot 9.95E-08 mg/kg/day 6.54E-09 mg/kg/day Surface Water Comments: 33 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Cherokee 250 FACILITY NAME: MERCK & COMPANY INC - CHEROKEE FACILITY LOCATION: DANVILLE PA 178210600 RECEIVING STREAM NAME: SUSQUEHANNA R REACH NUMBER: 02050107001 NPDES PERMIT NUMBER: PA0008419 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 3.77E+04 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A 7ql0 FLOW (MLD): 1768.47 EFFLUENT FLOW (MLD):41.69 RESULTS COC (|ig/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 6.62E-03 0.00 34 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Dak Americas 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 7965.00 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 31.86 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 35 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Dak Americas 250 FACILITY NAME: MONSANTO COMPANY FACILITY LOCATION: FAYETTEVILLE NC 28302 RECEIVING WATER NAME: CAPE FEAR R REACH NUMBER: 03030004001 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: NC0003719 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 31.86 31.86 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 3927.32 1144.42 781.33 632.60 NA CONCENTRATION (|ig/L) 8.11 27.84 40.78 50.36 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 3.06E-05 mg/kg/day 2.35E-03 mg/L 6.61E-07 mg/kg/day 7.05E-03 mg/kg Acute ADRpot 1.05E-03 mg/kg/day 8.49E-05 mg/kg/day Surface Water Comments: 36 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Dak Americas 250 FACILITY NAME: MONSANTO COMPANY FACILITY LOCATION: FAYETTEVILLE NC 28302 RECEIVING STREAM NAME: CAPE FEAR R REACH NUMBER: 03030004001 NPDES PERMIT NUMBER: NC0003719 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 1.20E+04 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 781.33 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):3.08 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 31.86 0.00 37 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Institute Plant 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 6132.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 24.53 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 38 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Institute Plant 250 FACILITY NAME: AVENTIS CROPSCIENCE USA L.P. FACILITY LOCATION: INSTITUTE WV 25112 RECEIVING WATER NAME: KANAWHA R REACH NUMBER: 05050008008 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: WV0000086 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 24.53 24.53 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 1.42E+04 4656.81 3340.32 2677.12 NA CONCENTRATION (|ig/L) 1.73 5.27 7.34 9.16 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 6.50E-06 mg/kg/day 5.00E-04 mg/L 1.41E-07 mg/kg/day 1.50E-03 mg/kg Acute ADRpot 2.00E-04 mg/kg/day 1.81E-05 mg/kg/day Surface Water Comments: 39 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Institute Plant 250 FACILITY NAME: AVENTIS CROPSCIENCE USA L.P. FACILITY LOCATION: INSTITUTE WV 25112 RECEIVING STREAM NAME: KANAWHA R REACH NUMBER: 05050008008 NPDES PERMIT NUMBER: WV0000086 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 3.35E+04 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 3340.32 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD): 1137.85 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 24.53 0.00 40 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Kodak Park 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 64.00 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 0.26 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 41 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Kodak Park 250 FACILITY NAME: EASTMAN KODAK CO FACILITY LOCATION: ROCHESTER NY 14652 RECEIVING WATER NAME: GENESEE R REACH NUMBER: 04130003001 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: NY0001643 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.256 0.26 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 3565.85 1528.47 1054.21 851.75 NA CONCENTRATION (|ig/L) 7.18E-02 0.17 0.24 0.30 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 2.70E-07 mg/kg/day 2.08E-05 mg/L 5.85E-09 mg/kg/day 6.24E-05 mg/kg Acute ADRpot 6.34E-06 mg/kg/day 7.51E-07 mg/kg/day Surface Water Comments: 42 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Kodak Park 250 FACILITY NAME: EASTMAN KODAK CO FACILITY LOCATION: ROCHESTER NY 14652 RECEIVING STREAM NAME: GENESEE R REACH NUMBER: 04130003001 NPDES PERMIT NUMBER: NY0001643 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 6914.59 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 1054.21 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD): 126.89 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 0.26 0.00 43 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Pharmacia 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 1.05 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 4.19E-03 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 44 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Pharmacia 250 FACILITY NAME: PHARMACIA & UPJOHN CO FACILITY LOCATION: NORTH HAVEN CT 06473 RECEIVING WATER NAME: QUINNIPIAC R REACH NUMBER: 01100004024 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: CT0001341 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.00419 4.19E-03 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 329.07 153.17 97.43 80.04 NA CONCENTRATION (|ig/L) 1.27E-02 2.74E-02 4.30E-02 5.23E-02 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 4.80E-08 mg/kg/day 3.69E-06 mg/L 1.04E-09 mg/kg/day 1.11E-05 mg/kg Acute ADRpot 1.04E-06 mg/kg/day 1.33E-07 mg/kg/day Surface Water Comments: 45 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Pharmacia 250 FACILITY NAME: PHARMACIA & UPJOHN CO FACILITY LOCATION: NORTH HAVEN CT 06473 RECEIVING STREAM NAME: QUINNIPIAC R REACH NUMBER: 01100004024 NPDES PERMIT NUMBER: CT0001341 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 722.51 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 97.43 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):2.29 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 4.19E-03 0.00 46 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Philips 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 6.45E-02 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 2.58E-04 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 47 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Philips 250 FACILITY NAME: MINERAL WELLS CITY OF (FT WAL FACILITY LOCATION: MINERAL WELLS TX 76067 RECEIVING WATER NAME: TURKEY CR REACH NUMBER: 12060201022 FACILITY ON REACH: No DISCHARGE TYPE: Direct NPDES PERMIT #: TX0023779 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.00026 2.58E-04 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 5.38 2.47 1.36 1.36 NA CONCENTRATION (|ig/L) 4.79E-02 0.10 0.19 0.19 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 1.81E-07 mg/kg/day 1.39E-05 mg/L 3.91E-09 mg/kg/day 4.17E-05 mg/kg Acute ADRpot 3.95E-06 mg/kg/day 5.02E-07 mg/kg/day Surface Water Comments: 48 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Philips 250 FACILITY NAME: MINERAL WELLS CITY OF (FT WAL FACILITY LOCATION: MINERAL WELLS TX 76067 RECEIVING STREAM NAME: TURKEY CR REACH NUMBER: 12060201022 NPDES PERMIT NUMBER: TX0023779 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 17.66 FACILITY ON REACH: No GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 1.36 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD): 1.36 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 2.58E-04 0.00 49 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Sanderson 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 3.33E-02 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 1.33E-04 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 50 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 Number of Sites: 1 RELEASE ACTIVITY:Sanderson 250 SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 250. 0.00013 1.33E-04 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 4.62E-04 1.07E-03 1.70E-03 2.01E-03 ALL 10 39.60 13.29 7.76 7.57 3.36E-03 1.00E-02 1.71E-02 1.76E-02 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% | 10% i 50% | 10% i Cancer LADDpot 1.74E-09 j 1.27E-08 mg/kg/day 3.76E-11 j 2.74E-10 mg/kg/day LADCpot 1.34E-07 j 9.73E-07 mg/L 4.01E-07 j 2.92E-06 mg/kg Acute ADRpot 4.07E-08 j 3.79E-07 mg/kg/day 4.83E-09 j 3.51E-08 mg/kg/day SIC Code Comments: 51 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 IND 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 RELEASE ACTIVITY: Sanderson 250 SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 250.00 1.33E-04 0.00 High 52 of 76 ------- OES: OPEN SYSTEM FUNCTIONAL FLUIDS 53 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Ametek 247 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 2.64 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 247.00 0.00/0.00 N/A N/A Per Site Release: 1.07E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 54 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Ametek 247 FACILITY NAME: PENNRIDGE WWT AUTH FACILITY LOCATION: SELLERSVILLE PA 189600031 RECEIVING WATER NAME: PERKIOMEN CR E BR REACH NUMBER: 02040203005 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: PA0020460 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 247. 0.0107 1.07E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 88.62 27.01 16.16 13.44 NA CONCENTRATION (jig/L) 0.12 0.40 0.66 0.80 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 4.49E-07 mg/kg/day 3.46E-05 mg/L 9.72E-09 mg/kg/day 1.04E-04 mg/kg Acute ADRpot 1.50E-05 mg/kg/day 1.26E-06 mg/kg/day Surface Water Comments: 55 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Ametek 247 FACILITY NAME: PENNRIDGE WWT AUTH FACILITY LOCATION: SELLERSVILLE PA 189600031 RECEIVING STREAM NAME: PERKIOMEN CR E BR REACH NUMBER: 02040203005 NPDES PERMIT NUMBER: PA0020460 GAGING STATION PERIOD OF RECORD: N/A MEAN FLOW (MLD): 367.12 FACILITY ON REACH: Yes GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 7ql0 FLOW (MLD): 16.16 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD): 10.29 RESULTS COC (|ig/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 247.00 1.07E-02 0.00 56 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Lake Reg Med 247 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 0.25 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 247.00 0.00/0.00 N/A N/A Per Site Release: 9.92E-04 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 57 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Lake Reg Med 247 FACILITY NAME: UNIFORM TUBE INC FACILITY LOCATION: COLLEGEVILLE PA 19426 RECEIVING WATER NAME: PERKIOMEN CR REACH NUMBER: 02040203004 FACILITY ON REACH: No DISCHARGE TYPE: Direct NPDES PERMIT #: PA0042617 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 247. 0.00099 9.92E-04 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 281.27 75.79 47.03 38.83 NA CONCENTRATION (|ig/L) 3.53E-03 1.31E-02 2.11E-02 2.55E-02 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 1.31E-08 mg/kg/day 1.01E-06 mg/L 2.84E-10 mg/kg/day 3.03E-06 mg/kg Acute ADRpot 4.96E-07 mg/kg/day 3.69E-08 mg/kg/day Surface Water Comments: 58 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Lake Reg Med 247 FACILITY NAME: UNIFORM TUBE INC FACILITY LOCATION: COLLEGEVILLE PA 19426 RECEIVING STREAM NAME: PERKIOMEN CR REACH NUMBER: 02040203004 NPDES PERMIT NUMBER: PA0042617 GAGING STATION PERIOD OF RECORD: N/A 50 %ile FLOW (MLD): 1213.02 FACILITY ON REACH: No GAGING STATION ID: N/A GAGING STATION NUMBER OF OBSERVATIONS: N/A 10 %ile FLOW (MLD): 47.03 DISCHARGE TYPE: Direct NUMBER OF STATIONS ON REACH: N/A EFFLUENT FLOW (MLD):6.00E-02 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 247.00 9.92E-04 0.00 59 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Pall Life Sciences 247 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 5.41 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 247.00 0.00/0.00 N/A N/A Per Site Release: 2.19E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 60 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Pall Life Sciences 247 FACILITY NAME: LOCH ALPINE SA-SCIO-WEB WWTP FACILITY LOCATION: ANN ARBOR MI 48103 RECEIVING WATER NAME: HURON R REACH NUMBER: 04090005009 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: MI0024066 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 247. 0.0219 2.19E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 897.26 509.44 338.04 275.30 NA CONCENTRATION (|ig/L) 2.44E-02 4.30E-02 6.48E-02 7.95E-02 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 9.08E-08 mg/kg/day 6.99E-06 mg/L 1.97E-09 mg/kg/day 2.10E-05 mg/kg Acute ADRpot 1.63E-06 mg/kg/day 2.55E-07 mg/kg/day Surface Water Comments: 61 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Pall Life Sciences 247 FACILITY NAME: LOCH ALPINE SA-SCIO-WEB WWTP FACILITY LOCATION: ANN ARBOR MI 48103 RECEIVING STREAM NAME: HURON R REACH NUMBER: 04090005009 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT NUMBER: MI0024066 GAGING STATION ID: 04174800 GAGING STATION PERIOD OF RECORD: 06/01/74 ¦ 12/04/84 50 %ile FLOW (MLD): 1071.34 GAGING STATION NUMBER OF OBSERVATIONS: 3841.00 NUMBER OF STATIONS ON REACH: 2 10 %ile FLOW (MLD): 447.62 EFFLUENT FLOW (MLD):0.43 RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 247.00 2.19E-02 0.00 62 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Modeled 247 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 9.36 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 247.00 0.00/0.00 N/A N/A Per Site Release: 3.79E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 63 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 Number of Sites: 1 RELEASE ACTIVITY Modeled 247 SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 247. 0.0379 3.79E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 0.13 0.31 0.48 0.57 ALL 10 39.60 13.29 7.76 7.57 0.96 2.85 4.88 5.01 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 4.90E-07 j 3.56E-06 mg/kg/day 1.06E-08 j 7.71E-08 mg/kg/day LADCpot 3.77E-05 j 2.74E-04 mg/L 1.13E-04 j 8.22E-04 mg/kg Acute ADRpot 1.16E-05 j 1.08E-04 mg/kg/day 1.38E-06 j 1.00E-05 mg/kg/day SIC Code Comments: 64 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 OSFF 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 RELEASE ACTIVITY: Modeled 247 SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 247.00 3.79E-02 0.00 High 65 of 76 ------- OES: SPRAY FOAM APPLICATION 66 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 SFA 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Model 260 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 0.93 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 260.00 0.00/0.00 N/A N/A Per Site Release: 3.59E-03 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 67 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 SFA 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 Number of Sites: 1 RELEASE ACTIVITY:Model 260 SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 260. 0.00359 3.59E-03 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 1.25E-02 2.90E-02 4.59E-02 5.44E-02 ALL 10 39.60 13.29 7.76 7.57 9.07E-02 0.27 0.46 0.47 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 4.88E-08 j 3.55E-07 mg/kg/day 1.06E-09 j 7.68E-09 mg/kg/day LADCpot 3.76E-06 j 2.73E-05 mg/L 1.13E-05 j 8.20E-05 mg/kg Acute ADRpot 1.10E-06 j 1.02E-05 mg/kg/day 1.30E-07 j 9.48E-07 mg/kg/day SIC Code Comments: 68 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14SFA00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 RELEASE ACTIVITY: Model 260 SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 260.00 3.59E-03 0.00 High 69 of 76 ------- OES: DISPOSAL 70 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 DIS 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Beacon 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 30.00 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 0.12 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 71 of 76 ------- INITIAL EXPOSURE REVIEW REPORT Chemical ID: 14 DIS 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Beacon 250 FACILITY NAME: BEACON FALLS WPCF FACILITY LOCATION: BEACON FALLS CT 06403 RECEIVING WATER NAME: NAUGATUCK R REACH NUMBER: 01100005002 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct NPDES PERMIT #: CT0101061 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0. 250. 0.12 0.12 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER FLOW DESCRIPTOR Harmonic Mean 30Q5 7Q10 1Q10 PLANT FLOW (MLD) 550.85 225.04 145.09 118.86 NA CONCENTRATION (|ig/L) 0.22 0.53 0.83 1.01 NA DRINKING WATER INGESTION AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units Cancer LADDpot LADCpot 8.21E-07 mg/kg/day 6.31E-05 mg/L 1.78E-08 mg/kg/day 1.89E-04 mg/kg Acute ADRpot 2.02E-05 mg/kg/day 2.28E-06 mg/kg/day Surface Water Comments: 72 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 DIS 00 SITE-SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO NUMBER: 1 RELEASE ACTIVITY: Beacon 250 FACILITY NAME: BEACON FALLS WPCF FACILITY LOCATION: BEACON FALLS CT 06403 RECEIVING STREAM NAME: NAUGATUCK R REACH NUMBER: 01100005002 NPDES PERMIT NUMBER: CT0101061 GAGING STATION PERIOD OF RECORD: 01/01/66 - 11/06/90 50 %ile FLOW (MLD): 914.80 FACILITY ON REACH: Yes DISCHARGE TYPE: Direct GAGING STATION ID: 01208500 GAGING STATION NUMBER OF OBSERVATIONS: 9041.00 NUMBER OF STATIONS ON REACH: 1 10 %ile FLOW (MLD): 298.41 EFFLUENT FLOW (MLD):0.76 RESULTS COC (|ig/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Pre-treatment Loading (kg/site/day) Waste Water Treatment (%) 1.45E+04 0 0 250.00 0.12 0.00 73 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 DIS 00 Assessor: ENVIRONMENTAL RELEASES Scenario#: 1 Release Activity: Ingersoll 250 Number of Release Sites 1. Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE Total Releases: 11.50 N/A N/A N/A (kg/yr) (kg/yr) Non-sludge/Sludge (kg/yr) (kg/yr) Release Days/yr: 250.00 0.00/0.00 N/A N/A Per Site Release: 4.60E-02 N/A/0.00 N/A N/A (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks: 74 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 DIS 00 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 Number of Sites: 1 RELEASE ACTIVITY:Ingersoll 250 SIC-CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC-CODE (S): subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg) 0.00 250. 0.046 4.60E-02 0.00 3.00 AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. (|ig/l) Harmonic Mean 30Q5 7Q10 1Q10 Harmonic Mean 30Q5 7Q10 1Q10 ALL 50 288.00 123.84 78.18 66.05 0.16 0.37 0.59 0.70 ALL 10 39.60 13.29 7.76 7.57 1.16 3.46 5.93 6.08 DRINKING WATER AND FISH INGESTION EXPOSURE ESTIMATES Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion Units 50% 10% 50% 10% Cancer LADDpot 6.02E-07 j 4.38E-06 mg/kg/day 1.30E-08 j 9.47E-08 mg/kg/day LADCpot 4.63E-05 j 3.37E-04 mg/L 1.39E-04 j 1.01E-03 mg/kg Acute ADRpot 1.41E-05 j 1.31E-04 mg/kg/day 1.67E-06 j 1.22E-05 mg/kg/day SIC Code Comments: 75 of 76 ------- INITIAL REVIEW EXPOSURE REPORT Chemical ID: 14 DIS 00 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO #: 1 RELEASE ACTIVITY: Ingersoll 250 SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: subset of 4952 SIC CODE RESULTS COC (ng/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.45E+04 0 0 250.00 4.60E-02 0.00 High 76 of 76 ------- |