12/22/03 Final INITIAL REVIEW EXPOSURE REPORT Case Number: P040153 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 145.00 0.00 0.00 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 29. 0. Per Site Release: 5.00 0.00 0.00 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:

Consumer use expected?INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040153 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:1 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. 1.00 29. 5. 5.00 0.00

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 16.05 42.94 66.05 80.76 ALL 10 32.75 11.98 7.19 5.98 152.67 417.36 695.41 836.12

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 9.94E-06 9.46E-05 mg/kg/day 0.00 0.00 mg/kg/day LADC pot5.10E-04 4.85E-03 mg/L 0.00 0.00 mg/kg Chronic Non-Cancer ADD pot 2.49E-05 2.37E-04 mg/kg/day 0.00 0.00 mg/kg/day ADC pot1.27E-03 1.21E-02 mg/L 0.00 0.00 mg/kg Acute ADRpot 3.59E-03 3.49E-02 mg/kg/day 0.00 0.00 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040153

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 1 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: 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 7.94 29 29 5.00 0.00 High

REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.INITIAL REVIEW EXPOSURE REPORT Case Number: P040153 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 6.20 0.00 0.00 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 1. 0. Per Site Release: 6.20 0.00 0.00 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040153 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:2 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. 1.00 1. 6.2 6.20 0.00

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 19.90 53.25 81.90 100.15 ALL 10 32.75 11.98 7.19 5.98 189.31 517.53 862.31 1036.79

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 4.25E-07 4.05E-06 mg/kg/day 0.00 0.00 mg/kg/day LADC pot2.18E-05 2.07E-04 mg/L 0.00 0.00 mg/kg Chronic Non-Cancer ADD pot 1.06E-06 1.01E-05 mg/kg/day 0.00 0.00 mg/kg/day ADC pot5.45E-05 5.19E-04 mg/L 0.00 0.00 mg/kg Acute ADRpot 4.45E-03 4.32E-02 mg/kg/day 0.00 0.00 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040153

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: 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 0.27 1 1 6.20 0.00 HighINITIAL REVIEW EXPOSURE REPORT Case Number: P040153 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 156.60 0.00 0.00 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 29. 0. Per Site Release: 5.40 0.00 0.00 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:

Consumer use expected?INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040153 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:1 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. 20.00 29. 5.4 5.40 0.00

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 17.33 46.38 71.33 87.22 ALL 10 32.75 11.98 7.19 5.98 164.89 450.75 751.04 903.01

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 LADD pot 1.07E-05 1.02E-04 mg/kg/day 0.00 0.00 mg/kg/day LADC pot5.51E-04 5.24E-03 mg/L 0.00 0.00 mg/kg Chronic Non-Cancer ADD pot 2.68E-05 2.55E-04 mg/kg/day 0.00 0.00 mg/kg/day ADC pot1.38E-03 1.31E-02 mg/L 0.00 0.00 mg/kg Acute ADRpot 3.88E-03 3.77E-02 mg/kg/day 0.00 0.00 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040153

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 1 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 20.00 7.18 26 29 5.40 0.00 High

REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.INITIAL REVIEW EXPOSURE REPORT Case Number: P040153 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 6.60 0.00 0.00 0.00 0.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 1. 0. Per Site Release: 6.60 0.00 0.00 0.00 0.00 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT CASE NUMBER:P040153 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:2 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. 20.00 1. 6.6 6.60 0.00

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 21.18 56.68 87.19 106.61 ALL 10 32.75 11.98 7.19 5.98 201.53 550.92 917.94 1103.68

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 4.53E-07 4.31E-06 mg/kg/day 0.00 0.00 mg/kg/day LADC pot2.32E-05 2.21E-04 mg/L 0.00 0.00 mg/kg Chronic Non-Cancer ADD pot 1.13E-06 1.08E-05 mg/kg/day 0.00 0.00 mg/kg/day ADC pot5.80E-05 5.52E-04 mg/L 0.00 0.00 mg/kg Acute ADRpot 4.74E-03 4.60E-02 mg/kg/day 0.00 0.00 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT CASE NUMBER: P040153

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: SIC CODE DESCRIPTION: ASSOCIATED SIC CODES: SIC CODE RESULTS COC ( : g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 20.00 0.25 1 1 6.60 0.00 High