INITIAL REVIEW EXPOSURE REPORT
Case Number: P020996 Assessor: Mamantov ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 0.00 4.20E+05 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 4.20E+05 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:

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 4.88E-02 Fish Ingestion Dose (mg/kg/day) No N/A Inhalation Dose (mg/kg/day) No N/A Groundwater Dose (mg/kg/day) No N/A Surface Water Release after treatment (kg/yr) Yes N/A 4.56E+04 Total Release After Treatment (kg/yr) Yes N/A 1.33E+05 Consumer Exposure Dose? NoINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996

INHALATION EXPOSURE ESTIMATES FROM INCINERATION RELEASES SCENARIO #:1 RELEASE ACTIVITY: 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) 1. 99.90 None 4.20E+05 420.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 9.27E-08 30.00 75.00 71.80 0.55 LADC pot(mg/m3) 5.04E-07 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 2.32E-07 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 1.26E-06 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P020996 Assessor: ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 0.00 6.70E+05 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 6.70E+05 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996

INHALATION EXPOSURE ESTIMATES FROM INCINERATION RELEASES SCENARIO #:2 RELEASE ACTIVITY: 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) 1. 99.90 None 6.70E+05 670.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 1.48E-07 30.00 75.00 71.80 0.55 LADC pot(mg/m3) 8.04E-07 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 3.70E-07 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 2.01E-06 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P020996 Assessor: ENVIRONMENTAL RELEASES Scenario#: 3 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 4.38E+04 4.10E+04 0.00 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 250. 0. Per Site Release: 7.00 1640.00 0.00 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:3 RELEASE ACTIVITY:Use 1 SIC-CODE DESCRIPTION: SIC-CODE (S): 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) 0. 48.00 250. 7. 7.00 7.01

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

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 22.47 60.12 92.47 113.07 ALL 10 32.75 11.98 7.19 5.98 213.74 584.31 973.57 1170.57

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 1.20E-04 1.14E-03 mg/kg/day 3.61E-06 3.43E-05 mg/kg/day LADC pot6.16E-03 5.86E-02 mg/L 4.31E-02 0.41 mg/kg Chronic Non-Cancer ADD pot 3.00E-04 2.85E-03 mg/kg/day 9.01E-06 8.58E-05 mg/kg/day ADC pot1.54E-02 0.15 mg/L 0.11 1.03 mg/kg Acute ADR pot 5.02E-03 4.88E-02 mg/kg/day 2.83E-04 2.69E-03 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P020996

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 3 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: SIC CODE RESULTS COC ( μ g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 48.00 54.11 198 250 7.00 0.00 High

REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996

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

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 25. 4.10E+04 0.00 3.00E-05(Slow) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot(mg/kg/day) 3.84E-04 30.00 75.00 71.80 1.40 LADC pot(mg/L) 1.97E-02 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 9.59E-04 30.00 30.00 71.80 1.40 ADC pot(mg/L) 4.92E-02 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT
Case Number: P020996 Assessor: ENVIRONMENTAL RELEASES Scenario#: 4 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 1800.00 4.10E+04 0.00 0.00 4500.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 10. 250. Per Site Release: 6.00 1366.67 0.00 0.00 0.60 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:4 RELEASE ACTIVITY: SIC-CODE DESCRIPTION: SIC-CODE (S): 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) 0. 48.00 10. 6. 6.00 7.01

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

MEAN 30Q5 7Q10 1Q10 Harmonic MEAN 30Q5 7Q10 1Q10 ALL 50 311.58 116.44 75.70 61.91 19.26 51.53 79.26 96.91 ALL 10 32.75 11.98 7.19 5.98 183.21 500.83 834.49 1003.34

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 4.11E-06 3.91E-05 mg/kg/day 1.24E-07 1.18E-06 mg/kg/day LADC pot2.11E-04 2.01E-03 mg/L 1.48E-03 1.41E-02 mg/kg Chronic Non-Cancer ADD pot 1.03E-05 9.79E-05 mg/kg/day 3.09E-07 2.94E-06 mg/kg/day ADC pot5.28E-04 5.02E-03 mg/L 3.70E-03 3.52E-02 mg/kg Acute ADR pot 4.31E-03 4.19E-02 mg/kg/day 2.43E-04 2.31E-03 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P020996

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 4 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: SIC CODE RESULTS COC ( μ g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 48.00 2.06 8 10 6.00 0.00 HighINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #:4 ACTIVITY: RELEASE DESCRIPTION: EXPOSED POPULATION:Adult

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 30. 4.10E+04 0.00 3.00E-05(Slow) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot(mg/kg/day) 3.20E-04 30.00 75.00 71.80 1.40 LADC pot(mg/L) 1.64E-02 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 7.99E-04 30.00 30.00 71.80 1.40 ADC pot(mg/L) 4.10E-02 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P020996

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

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

NUMBER OF SITES % TREATMENT TYPE OF REMOVAL PRE-TREAT RELEASE (kg/yr) POST-TREAT RELEASE (kg/yr) 30. 0.00 None 4500.00 4500.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 5.52E-05 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 3.00E-04 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.38E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 7.50E-04 30.00 30.00 NA NA