Final 1/30/04 Page of INITIAL REVIEW EXPOSURE REPORT Case Number: P040244 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: Per Site Release: (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:

Consumer use expected? No, consumer use is not expected.INITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:1 RELEASE ACTIVITY 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) 0.00 None

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot (mg/kg/day) 7.11E-04 30.00 75.00 71.80 0.55 LADC pot (mg/m 3 ) 3.87E-03 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.78E-03 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 9.67E-03 30.00 30.00 NA NAPage of INITIAL REVIEW EXPOSURE REPORT Case Number: P040244 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: Per Site Release: (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:2 RELEASE ACTIVITY 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) 1000.00 2.73

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 54.56 146.00 224.57 274.59 ALL 10 32.75 11.98 7.19 5.98 519.08 1419.03 2364.39 2842.81

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 5.83E-05 5.55E-04 mg/kg/day 6.82E-07 6.49E-06 mg/kg/day LADC pot 2.99E-03 2.84E-02 mg/L 8.16E-03 7.76E-02 mg/kg Chronic Non-Cancer ADD pot 1.46E-04 1.39E-03 mg/kg/day 1.71E-06 1.62E-05 mg/kg/day ADC pot7.47E-03 7.11E-02 mg/L 2.04E-02 0.19 mg/kg Acute ADR pot 1.22E-02 0.12 mg/kg/day 2.68E-04 2.55E-03 mg/kg/dayINITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER: P040244

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: 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 ( μ g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 1000.00 2.44 9 HighINITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

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

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 8.00E-05(Rapid) 0.00

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) IR (L/day) Cancer LADD pot (mg/kg/day) 6.24E-04 30.00 75.00 71.80 1.40 LADC pot (mg/L) 3.20E-02 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.56E-03 30.00 30.00 71.80 1.40 ADC pot(mg/L) 8.00E-02 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

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)

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot (mg/kg/day) 1.85E-07 30.00 75.00 71.80 0.55 LADC pot (mg/m3) 1.01E-06 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 4.63E-07 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 2.52E-06 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:2 RELEASE ACTIVITY 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) 0.00 None

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot (mg/kg/day) 3.68E-04 30.00 75.00 71.80 0.55 LADC pot (mg/m 3 ) 2.00E-03 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 9.19E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 5.00E-03 30.00 30.00 NA NAPage of INITIAL REVIEW EXPOSURE REPORT Case Number: P040244 Assessor: Delpire ENVIRONMENTAL RELEASES Scenario#: 3 Number of Release Sites: Release Activity: Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: Per Site Release: (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks:INITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

INHALATION EXPOSURE ESTIMATES FROM INCINERATION RELEASES SCENARIO #:3 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)

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot (mg/kg/day) 6.30E-07 30.00 75.00 71.80 0.55 LADC pot (mg/m3) 3.43E-06 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.58E-06 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 8.57E-06 30.00 30.00 NA NAINITIAL REVIEW EXPOSURE REPORT Page of CASE NUMBER:P040244

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:3 RELEASE ACTIVITY 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)

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot (mg/kg/day) 3.41E-04 30.00 75.00 71.80 0.55 LADC pot (mg/m 3 ) 1.86E-03 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 8.53E-04 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 4.64E-03 30.00 30.00 NA NA