POST FOCUS EXPOSURE REPORT
Case Numb er: P040132 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: 3. Release Activity: Processing Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 0.00 800.00 0.00 1.50 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 250. Per Site Release: 0.00 0.00 266.67 0.00 2.00E-03 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Fugitive releases are less than the release threshold of interest.

Consumer use expected? No, consumer use is not expected.POST FOCUS EXPOSURE REPORT CASE NUMBER:P040132

INHALATION EXPOSURE ESTIMATES FROM INCINERATION RELEASES SCENARIO #:1 RELEASE ACTIVITY:Processing 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) 3. 99.90 None 800.00 0.80

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 5.88E-11 30.00 75.00 71.80 0.55 LADC pot(mg/m3) 3.20E-10 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 1.47E-10 30.00 30.00 71.80 0.55 ADC pot(mg/m3) 8.00E-10 30.00 30.00 NA NAPOST FOCUS EXPOSURE REPORT
Case Numb er: P040132 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 2 Number of Release Sites: 1. Release Activity: Use 1- Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 1007.40 1000.00 1000.00 0.00 0.73 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 73. 73. Per Site Release: 13.80 1000.00 1000.00 0.00 1.00E-02 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Fugitive release < release threshold. Re lease is to water OR landfill OR incineration; incineration release < threshold of interest after 99.9% removal.POST FOCUS EXPOSURE REPORT CASE NUMBER:P040132 SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES SCENARIO #:2 RELEASE ACTIVITY:Use 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) 80. 20.00 73. 13.8 2.76 1880.00
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 8.86 23.70 36.46 44.58 ALL 10 32.75 11.98 7.19 5.98 84.27 230.38 383.87 461.54

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 1.38E-05 1.31E-04 mg/kg/day 1.11E-04 1.06E-03 mg/kg/day LADC pot7.09E-04 6.74E-03 mg/L 1.33 12.67 mg/kg Chronic Non-Cancer ADD pot 3.45E-05 3.29E-04 mg/kg/day 2.78E-04 2.65E-03 mg/kg/day ADC pot1.77E-03 1.69E-02 mg/L 3.33 31.69 mg/kg Acute ADR pot 1.98E-03 1.93E-02 mg/kg/day 2.99E-02 0.28 mg/kg/dayPOST FOCUS EXPOSURE REPORT CASE NUMBER: P040132

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: Use 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 ( μ g/L) % yr exceeded Days/yr exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis 20.00 15.54 57 73 13.80 80.00 High
REMARK: The concentration of concern (COC ) is exceeded 20 or more days per year.POST FOCUS EXPOSURE REPORT CASE NUMBER:P040132

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #:2 ACTIVITY:Use 1 RELEASE DESCRIPTION: EXPOSED POPULATION:Adult

NUMBER OF SITES LANDFILL RELEASE (kg/yr) LANDFILLED SLUDGE (kg/yr) MIGRATION FACTOR 1 DRINKING WATER TREATMENT (%) 1. 1000.00 0.00 0.00(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 NAPOST FOCUS EXPOSURE REPORT
Case Numb er: P040132 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 3 Number of Release Sites: 18. Release Activity: Use 2 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 1000.00 1000.00 0.00 40.50 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 250. Per Site Release: 0.00 55.56 55.56 0.00 9.00E-03 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Fugitive release < release threhold. 1000 kg/ yr release is to landfill OR incineration; both releases are below their respective release thresholds of interest.POST FOCUS EXPOSURE REPORT
Case Numb er: P040132 Assessor: Wormell ENVIRONMENTAL RELEASES Scenario#: 4 Number of Release Sites: 10. Release Activity: Use 3 Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE Total Releases: 0.00 0.00 500.00 0.00 22.50 (kg/yr) (kg/yr) (kg/yr) (kg/yr) (kg/yr) Release Days/yr: 0. 250. Per Site Release: 0.00 0.00 50.00 0.00 9.00E-03 (kg/day) (kg/yr) (kg/yr) (kg/yr) (kg/day) Remarks: Fugitive air AND incineration releases < respective release thresholds of interest.POST FOCUS EXPOSURE REPORT CASE NUMBER:P040132

INHALATION EXPOSURE ESTIMATES FROM FUGITIVE RELEASES

SCENARIO #:4 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) 10. 0.00 None 22.50 22.50

Exposure Units Results ASSUMPTIONS ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr) Cancer LADD pot(mg/kg/day) 8.27E-07 30.00 75.00 71.80 0.55 LADC pot(mg/m 3 ) 4.50E-06 30.00 75.00 NA NA Chronic Non-Cancer ADD pot(mg/kg/day) 2.07E-06 30.00 30.00 71.80 0.55 ADC pot(mg/m 3 ) 1.13E-05 30.00 30.00 NA NA