INITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: 1. Release Activity: Proc 1 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 12.00 0.00 4.49E+04 0.00 390.75 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 12. 15. Per Site Release: 1.00 0.00 4.49E+04 0.00 26.05 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Incineration release is less than threshold of concern.

Consumer use expected? No, consumer use is not expected.

Parameter Exp Based Persistent Exceedance value Drinking (Surface) Water Dose (mg/kg/day) Yes N/A 5.58E-03 Fish Ingestion Dose (mg/kg/day) Yes N/A 7.46E-02 Inhalation Dose (mg/kg/day) Yes N/A 5.10E-02 Groundwater Dose (mg/kg/day) Yes N/A 2.63E-02 Surface Water Release after treatment (kg/yr) Yes N/A 3756.63 Total Release After Treatment (kg/yr) Yes N/A 1.49E+07 Consumer Exposure Dose? NoINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:1 RELEASE ACTIVITY:Proc 1 SIC-CODE DESCRIPTION:POTW (Indust., incl udes POTWs which receive ind. disch.) SIC-CODE (S):4952 EXPOSED POPULATION:Adult

WASTE WATER TREATMENT REMOVAL (%) COC (μg/L) RELEASE DAYS PRE-TREATMENT RELEASE

(kg/day) POST-TREATMENT RELEASE

(kg/day) BCF (L/kg) 99. 1.00 12. 1. 1.00E-02 1700.00

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. ( : g/l) Harmonic

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 3.21E-02 8.59E-02 0.13 0.16 ALL 10 32.75 11.98 7.19 5.98 0.31 0.83 1.39 1.67

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 LADD pot 8.23E-09 7.83E-08 mg/kg/day 6.00E-08 5.70E-07 mg/kg/day LADC pot4.22E-07 4.02E-06 mg/L 7.18E-04 6.83E-03 mg/kg Chronic Non-Cancer ADD pot 2.06E-08 1.96E-07 mg/kg/day 1.50E-07 1.43E-06 mg/kg/day ADC pot1.06E-06 1.00E-05 mg/L 1.79E-03 1.71E-02 mg/kg Acute ADR pot 7.18E-06 6.98E-05 mg/kg/day 9.80E-05 9.33E-04 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040319

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 1 RELEASE ACTIVITY: Proc 1 SIC CODE DESCRIPTION: POTW (Indust., in cludes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: 4952 from 1011-1999,2211-5199,5511-5599,7211-8099 SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.00 0.30 1 12 1.00 99.00 HighINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:1 RELEASE ACTIVITY:Proc 1 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 1. 0.00 None 390.75 390.75

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 1.44E-04 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 7.82E-04 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 3.59E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.95E-03 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: 1. Release Activity: Proc 2 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 12.00 0.00 1.40E+04 0.00 200.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 12. 200. Per Site Release: 1.00 0.00 1.40E+04 0.00 1.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Incineration release is less than threshold of concern.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:2 RELEASE ACTIVITY:Proc 2 SIC-CODE DESCRIPTION:POTW (Indust., incl udes POTWs which receive ind. disch.) SIC-CODE (S):4952 EXPOSED POPULATION:Adult

WASTE WATER TREATMENT REMOVAL (%) COC (μg/L) RELEASE DAYS PRE-TREATMENT RELEASE

(kg/day) POST-TREATMENT RELEASE

(kg/day) BCF (L/kg) 99. 1.00 12. 1. 1.00E-02 1700.00

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. ( : g/l) Harmonic

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 3.21E-02 8.59E-02 0.13 0.16 ALL 10 32.75 11.98 7.19 5.98 0.31 0.83 1.39 1.67

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 LADD pot 8.23E-09 7.83E-08 mg/kg/day 6.00E-08 5.70E-07 mg/kg/day LADC pot4.22E-07 4.02E-06 mg/L 7.18E-04 6.83E-03 mg/kg Chronic Non-Cancer ADD pot 2.06E-08 1.96E-07 mg/kg/day 1.50E-07 1.43E-06 mg/kg/day ADC pot1.06E-06 1.00E-05 mg/L 1.79E-03 1.71E-02 mg/kg Acute ADR pot 7.18E-06 6.98E-05 mg/kg/day 9.80E-05 9.33E-04 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040319

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: Proc 2 SIC CODE DESCRIPTION: POTW (Indust., in cludes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: 4952 from 1011-1999,2211-5199,5511-5599,7211-8099 SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.00 0.30 1 12 1.00 99.00 HighINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:2 RELEASE ACTIVITY:Proc 2 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 1. 0.00 None 200.00 200.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 7.35E-05 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 4.00E-04 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.84E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.00E-03 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 3 Number of Release Sites: 8. Release Activity: Proc 3 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 1.50E+05 1.80E+05 1.80E+05 0.00 244.40 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 235. 235. Per Site Release: 80.00 2.25E+04 2.25E+04 0.00 0.13 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Release is to water OR incineration OR landfill.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:3 RELEASE ACTIVITY:Proc 3 SIC-CODE DESCRIPTION:POTW (Indust., incl udes POTWs which receive ind. disch.) SIC-CODE (S):4952 EXPOSED POPULATION:Adult

WASTE WATER TREATMENT REMOVAL (%) COC (μg/L) RELEASE DAYS PRE-TREATMENT RELEASE

(kg/day) POST-TREATMENT RELEASE

(kg/day) BCF (L/kg) 99. 1.00 235. 80. 0.80 1700.00

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. ( : g/l) Harmonic

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 2.57 6.87 10.57 12.92 ALL 10 32.75 11.98 7.19 5.98 24.43 66.78 111.27 133.78

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 LADD pot 1.29E-05 1.23E-04 mg/kg/day 9.39E-05 8.94E-04 mg/kg/day LADC pot6.61E-04 6.29E-03 mg/L 1.12 10.69 mg/kg Chronic Non-Cancer ADD pot 3.22E-05 3.07E-04 mg/kg/day 2.35E-04 2.23E-03 mg/kg/day ADC pot1.65E-03 1.57E-02 mg/L 2.81 26.74 mg/kg Acute ADR pot 5.74E-04 5.58E-03 mg/kg/day 7.84E-03 7.46E-02 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040319

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 3 RELEASE ACTIVITY: Proc 3 SIC CODE DESCRIPTION: POTW (Indust., in cludes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: 4952 from 1011-1999,2211-5199,5511-5599,7211-8099 SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.00 63.61 232 235 80.00 99.00 High

REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #:3 ACTIVITY:Proc 3 RELEASE DESCRIPTION: EXPOSED POPULATION:Adult

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 8. 1.80E+05 0.00 6.00E-05(Moderate) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot(mg/kg/day) 1.05E-02 30.00 75.00 71.80 1.40 LADC pot(mg/L) 0.54 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 2.63E-02 30.00 30.00 71.80 1.40 ADC pot(mg/L) 1.35 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM INCINERATION RELEASES SCENARIO #:3 RELEASE ACTIVITY:Proc 3 RELEASE DESCRIPTION: METHOD OF CALCULATION:ISCLT EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 8. 99.90 None 1.80E+05 180.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 4.96E-09 30.00 75.00 71.80 0.55 LADC pot(mg/m3) 2.70E-08 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.24E-08 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 6.75E-08 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:3 RELEASE ACTIVITY:Proc 3 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 8. 0.00 None 244.40 244.40

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 1.12E-05 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 6.11E-05 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 2.81E-05 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.53E-04 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 4 Number of Release Sites: 4312. Release Activity: Use 1 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 1.50E+05 1.50E+05 0.00 8.62E+06 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 250. Per Site Release: 0.00 34.79 34.79 0.00 8.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: 180,000 kg release is to either landfill OR in cineration. Both releases are below threshold of concern.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:4 RELEASE ACTIVITY:Use 1 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 4312. 0.00 None 8.62E+06 8.62E+06

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 7.35E-04 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 4.00E-03 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.84E-03 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.00E-02 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 5 Number of Release Sites: 200. Release Activity: Use 2 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 1.50E+06 1.50E+06 0.00 6.07E+04 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 345. Per Site Release: 0.00 7500.00 7500.00 0.00 0.88 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: 1,500,000 kg release is to landfill OR in cineration. Incineration release is less than threshold of concern.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #:5 ACTIVITY:Use 2 RELEASE DESCRIPTION: EXPOSED POPULATION:Adult

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 200. 1.50E+06 0.00 6.00E-05(Moderate) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot(mg/kg/day) 3.51E-03 30.00 75.00 71.80 1.40 LADC pot(mg/L) 0.18 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 8.77E-03 30.00 30.00 71.80 1.40 ADC pot(mg/L) 0.45 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:5 RELEASE ACTIVITY:Use 2 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 200. 0.00 None 6.07E+04 6.07E+04

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 1.12E-04 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 6.07E-04 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 2.79E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.52E-03 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 6 Number of Release Sites: 1. Release Activity: Use 3 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 14.04 0.00 0.00 0.00 334.10 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 26. 26. Per Site Release: 0.54 0.00 0.00 0.00 12.85 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:6 RELEASE ACTIVITY:Use 3 SIC-CODE DESCRIPTION:POTW's (All facilities) SIC-CODE (S):4952 EXPOSED POPULATION:Adult

WASTE WATER TREATMENT REMOVAL (%) COC (μg/L) RELEASE DAYS PRE-TREATMENT RELEASE

(kg/day) POST-TREATMENT RELEASE

(kg/day) BCF (L/kg) 99. 1.00 26. 0.54 5.40E-03 1700.00

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. ( : g/l) Harmonic

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 146.98 47.62 30.00 24.69 3.67E-02 0.11 0.18 0.22 ALL 10 10.71 2.53 1.44 1.21 0.50 2.13 3.75 4.46

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 LADD pot 2.04E-08 2.80E-07 mg/kg/day 1.49E-07 2.04E-06 mg/kg/day LADC pot1.05E-06 1.44E-05 mg/L 1.78E-03 2.44E-02 mg/kg Chronic Non-Cancer ADD pot 5.10E-08 7.00E-07 mg/kg/day 3.72E-07 5.10E-06 mg/kg/day ADC pot2.62E-06 3.59E-05 mg/L 4.45E-03 6.11E-02 mg/kg Acute ADR pot 9.48E-06 1.78E-04 mg/kg/day 1.12E-04 1.54E-03 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040319

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 6 RELEASE ACTIVITY: Use 3 SIC CODE DESCRIPTION: POTW's (All facilities) ASSOCIATED SIC CODES: 4952 SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.00 1.92 7 26 0.54 99.00 HighINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:6 RELEASE ACTIVITY:Use 3 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 1. 0.00 None 334.10 334.10

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 1.23E-04 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 6.68E-04 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 3.07E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.67E-03 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 7 Number of Release Sites: 100. Release Activity: Use 4 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 0.00 1.50E+06 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 0. Per Site Release: 0.00 0.00 1.50E+04 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Incineration release is below threshold of concern. Fugitive air release is less than threshold value of 23 kg/site/yr.INITIAL REVIEW EXPOSURE REPORT
Case Number: P040319 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 8 Number of Release Sites: 77. Release Activity: Use 5 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 2.25E+05 2.25E+05 2.25E+05 0.00 4.27E+06 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 250. 250. Per Site Release: 11.70 2922.08 2922.08 0.00 222.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: release is to water OR incineration OR landfill. Incineration release is below threshold of concern.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:8 RELEASE ACTIVITY:Use 5 SIC-CODE DESCRIPTION:POTW (Indust., incl udes POTWs which receive ind. disch.) SIC-CODE (S):4952 EXPOSED POPULATION:Adult

WASTE WATER TREATMENT REMOVAL (%) COC (μg/L) RELEASE DAYS PRE-TREATMENT RELEASE

(kg/day) POST-TREATMENT RELEASE

(kg/day) BCF (L/kg) 99. 1.00 250. 11.7 0.12 1700.00

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER PLANT TYPE % ILE FACILITY STREAM FLOW (MLD) STREAM CONC. ( : g/l) Harmonic

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 0.38 1.00 1.55 1.89 ALL 10 32.75 11.98 7.19 5.98 3.57 9.77 16.27 19.57

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 LADD pot 2.01E-06 1.91E-05 mg/kg/day 1.46E-05 1.39E-04 mg/kg/day LADC pot1.03E-04 9.79E-04 mg/L 0.17 1.66 mg/kg Chronic Non-Cancer ADD pot 5.01E-06 4.77E-05 mg/kg/day 3.65E-05 3.48E-04 mg/kg/day ADC pot2.57E-04 2.45E-03 mg/L 0.44 4.16 mg/kg Acute ADR pot 8.40E-05 8.16E-04 mg/kg/day 1.15E-03 1.09E-02 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040319

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 8 RELEASE ACTIVITY: Use 5 SIC CODE DESCRIPTION: POTW (Indust., in cludes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: 4952 from 1011-1999,2211-5199,5511-5599,7211-8099 SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1.00 50.39 184 250 11.70 99.00 High

REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #:8 ACTIVITY:Use 5 RELEASE DESCRIPTION: EXPOSED POPULATION:Adult

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 77. 2.25E+05 0.00 6.00E-05(Moderate) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot(mg/kg/day) 1.37E-03 30.00 75.00 71.80 1.40 LADC pot(mg/L) 7.01E-02 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 3.42E-03 30.00 30.00 71.80 1.40 ADC pot(mg/L) 0.18 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040319

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:8 RELEASE ACTIVITY:Use 5 RELEASE DESCRIPTION: METHOD OF CALCULATION:Turner EXPOSED POPULATION:Adult

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 77. 0.00 None 4.27E+06 4.27E+06

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 2.04E-02 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 0.11 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 5.10E-02 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 0.28 30.00 30.00 NA NA