9/12/12 page of 

POST FOCUS EXPOSURE REPORT 

This updated assessment is based on Post-Focus Draft Engineering Report Revision 1, 

dated 9/7/2012. 

 Chemical ID: P-12-0041 Reviewer: Cinalli/SS 

 

 Results Table: Dose, Concentration, and Days Exceeded Results Summary 

Exposure Scenario1 Water Landfill Stack Air Fugitive Air 

Drinking Water Fish Ingestion 

ADR LADD ADR LADD 7Q104 

CC = 60 

PDM 

Days 

Exceede

d 

LADD ADR LADD ADR LADD 

Release 

activity(ies)2; 

exposure 

calculation(s)3 

mg/kg/day mg/kg/day mg/kg/day mg/kg/day μg/l # Days mg/kg/day mg/kg/day mg/kg/day mg/kg/day mg/kg/day 

USE1: Max ADR: 

max acute eco 

3.83E-03 --- 1.02E-03 --- 8.40E+01 --- --- --- --- 8.50E-01 --- 

USE1: Max LADD --- 1.87E-06 --- 5.66E-07 --- --- --- --- --- --- 7.35E-03 

USE2: Max ADR: 

max acute eco 

3.70E-03 --- 9.85E-04 --- 8.11E+01 --- --- --- --- --- --- 

USE2: Max LADD --- 9.35E-07 --- 2.84E-07 --- --- --- --- --- --- --- 

USE3: Max ADR: 

max acute eco 

3.66E-04 --- 9.73E-05 --- 8.02E+00 --- --- --- --- --- --- 

USE3: PDM1 --- --- --- --- 4.70E-01 0 --- --- --- --- --- 

USE3: Max LADD --- 2.04E-07 --- 6.19E-08 --- --- --- --- --- --- --- 

1 Exposure scenario titles consist of release activity followed by exposure calculation abbreviation. 

2 Release activities are from engineering report's Manufacturing (Mfg), Processing (Proc) and Use release activity labels.Multiple 

release activities are combined in one exposure scenario if their releases occur at same location. 

3 Exposure calculations are Acute Dose Rate (ADR), Lifetime Average Daily Dose (LADD), and Probabilistic Dilution Model (PDM). 

There may be one, two, or all three exposure calculations per exposure scenario.CC is the aquatic concentration of concern. 

4 This column displays concentration values for the 7Q10 streamflow, which is defined as the average daily streamflow of the seven 

consecutive days of lowest flow within a ten year period. 

Remarks: 

Results Table: Consumer Exposure Results Summary 

 Water (DtD) Dermal Inhalation 

Drinking Water Fish Ingestion 

ADR LADD ADR LADD 7Q10 PDM 

Days 

Exceed

ed 

ADR LADD ADR LADD 

Scenario mg/kg/day mg/kg/day mg/kg/day mg/kg/day μg/l # Days mg/kg/day mg/kg/day mg/kg/day mg/kg/day 

CEM2, 

Aerosol 

Paint 

--- --- --- --- --- --- --- --- 

2.16E-03 1.30E-04 

EPA SANITIZED Page 1 of 23
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1 Down-the-Drain Module within NCEM2 model. 

2 Consumer Exposure Module within NCEM2 model.

EPA SANITIZED Page 2 of 23
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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:1 Number of Release Sites: 10. 

 Release Activity: USE1: Max ADR 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 89.00 N/A N/A 3.40E+04 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 10.00 0.00/0.00 N/A 100.00 

Per Site Release: 0.89 N/A/0.00 N/A 34.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 3 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 1 Number of Sites: 10 RELEASE ACTIVITY:USE1: 

Max ADR 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 10. 0.89 8.90E-02 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 0.71 2.02 3.32 3.95 

ALL 10 11.11 1.94 1.06 0.96 8.01 45.88 83.96 92.71 

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 

LADDpot 1.51E-07 1.71E-06 mg/kg/day 4.60E-08 5.19E-07 mg/kg/day 

LADCpot 7.77E-06 8.78E-05 mg/L 5.50E-04 6.22E-03 mg/kg 

Acute 

ADRpot 1.69E-04 3.83E-03 mg/kg/day 9.02E-05 1.02E-03 mg/kg/day 

SIC Code Comments: 

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POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 

INHALATION EXPOSURE ESTIMATES (POST-TREATMENT) 

SCENARIO #: 1 RELEASE ACTIVITY:USE1: Max ADR 

RELEASE DESCRIPTION: 

METHOD OF CALCULATION: Screen3 

EXPOSED POPULATION: Adult 

Number of Sites: 10. 

Per Site Fugitive Release: 34.00 kg/site/day 

Fugitive Release Days per Year: 100.00 days 

% Removal via Fugitive Release: 0.00 % 

Total Fugitive Release: 3.40E+04 kg/yr 

Max Annual Average Air Concentration 

(Fugitive): 

100.00 μg/m3

Max 24 Hour Average Air 

Concentration(Fugitive): 

4650.00 μg/m3

Per Site Stack Release: NA kg/site/day 

Stack Release Days per Year: NA days 

% Removal via Stack Release: 0.00 % 

Total Stack Release: NA kg/yr 

Max Annual Average Air Concentration (Stack): 0.00 μg/m3

Max 24 Hour Average Air Concentration (Stack): 0.00 μg/m3

ASSUMPTIONS 

Exposure Units 

Results 

(Stack) 

Results 

(Fugitive) ED 

(years) 

AT 

(years) 

BW 

(kg) 

Inh. Rate 

(m3/hr) 

Cancer 

LADDpot (mg/kg/day) N/A 7.35E-03 30.00 75.00 71.80 0.55 

LADCpot (mg/m3) N/A 4.00E-02 30.00 75.00 NA NA 

Acute 

ADRpot (mg/kg/day) N/A 0.85 NA 1 day 71.80 0.55 

Inhalation Comments: 

EPA SANITIZED Page 5 of 23
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 Stack Parameter Data Fugitive Parameter Data 

Stack Height 10.00 Release Height: 3.00 m 

Inside Stack 

Diameter: 

0.10 Length of Release 

Opening: 

10.00 m 

Stack Gas Exit 

Velocity: 

0.10 Width of Release 

Opening: 

10.00 m 

Stack Gas 

Temperature: 

293.00 

 

 Meteorological and Terrain Information: 

Surrounding Land Use: Rural 

Terrain Height: 0.00 m 

Distance to Residence of Interest: 100.00 m 

Meteorological Class: Full 

Stability Class: NA 

Wind Speed: NA 

 

 Downwash Information: 

Facility Length: NA m 

Facility Width: NA m 

Facility Height: NA m 

EPA SANITIZED Page 6 of 23
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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:2 Number of Release Sites: 10. 

 Release Activity: USE1: Max LADD 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 97.00 N/A N/A 3.40E+04 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 1.00 0.00/0.00 N/A 1.00 

Per Site Release: 9.70 N/A/0.00 N/A 3400.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 7 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 2 Number of Sites: 10 RELEASE ACTIVITY:USE1: 

Max LADD 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 1. 9.7 0.97 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 N/A N/A N/A N/A 

ALL 10 11.11 1.94 1.06 0.96 N/A N/A N/A N/A 

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 

LADDpot 1.65E-07 1.87E-06 mg/kg/day 5.01E-08 5.66E-07 mg/kg/day 

LADCpot 8.47E-06 9.57E-05 mg/L 5.99E-04 6.77E-03 mg/kg 

Acute 

ADRpot N/A N/A mg/kg/day N/A N/A mg/kg/day 

SIC Code Comments: 

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POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 

INHALATION EXPOSURE ESTIMATES (POST-TREATMENT) 

SCENARIO #: 2 RELEASE ACTIVITY:USE1: Max LADD 

RELEASE DESCRIPTION: 

METHOD OF CALCULATION: Screen3 

EXPOSED POPULATION: Adult 

Number of Sites: 10. 

Per Site Fugitive Release: 3400.00 kg/site/day 

Fugitive Release Days per Year: 1.00 days 

% Removal via Fugitive Release: 0.00 % 

Total Fugitive Release: 3.40E+04 kg/yr 

Max Annual Average Air Concentration 

(Fugitive): 

100.00 μg/m3

Max 24 Hour Average Air 

Concentration(Fugitive): 

N/A μg/m3

Per Site Stack Release: NA kg/site/day 

Stack Release Days per Year: NA days 

% Removal via Stack Release: 0.00 % 

Total Stack Release: NA kg/yr 

Max Annual Average Air Concentration (Stack): 0.00 μg/m3

Max 24 Hour Average Air Concentration (Stack): N/A μg/m3

ASSUMPTIONS 

Exposure Units 

Results 

(Stack) 

Results 

(Fugitive) ED 

(years) 

AT 

(years) 

BW 

(kg) 

Inh. Rate 

(m3/hr) 

Cancer 

LADDpot (mg/kg/day) N/A 7.35E-03 30.00 75.00 71.80 0.55 

LADCpot (mg/m3) N/A 4.00E-02 30.00 75.00 NA NA 

Acute 

ADRpot (mg/kg/day) N/A N/A NA 1 day 71.80 0.55 

Inhalation Comments: 

EPA SANITIZED Page 9 of 23
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 Stack Parameter Data Fugitive Parameter Data 

Stack Height 10.00 Release Height: 3.00 m 

Inside Stack 

Diameter: 

0.10 Length of Release 

Opening: 

10.00 m 

Stack Gas Exit 

Velocity: 

0.10 Width of Release 

Opening: 

10.00 m 

Stack Gas 

Temperature: 

293.00 

 

 Meteorological and Terrain Information: 

Surrounding Land Use: Rural 

Terrain Height: 0.00 m 

Distance to Residence of Interest: 100.00 m 

Meteorological Class: Full 

Stability Class: NA 

Wind Speed: NA 

 

 Downwash Information: 

Facility Length: NA m 

Facility Width: NA m 

Facility Height: NA m 

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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:3 Number of Release Sites: 20. 

 Release Activity: USE2: Max ADR 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 17.20 N/A N/A 0.00 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 1.00 0.00/0.00 N/A 0.00 

Per Site Release: 0.86 N/A/0.00 N/A 0.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 11 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 3 Number of Sites: 20 RELEASE ACTIVITY:USE2: 

Max ADR 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 1. 0.86 8.60E-02 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 0.68 1.95 3.21 3.82 

ALL 10 11.11 1.94 1.06 0.96 7.74 44.33 81.13 89.58 

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 

LADDpot 1.46E-08 1.65E-07 mg/kg/day 4.44E-09 5.02E-08 mg/kg/day 

LADCpot 7.51E-07 8.48E-06 mg/L 5.31E-05 6.01E-04 mg/kg 

Acute 

ADRpot 1.63E-04 3.70E-03 mg/kg/day 8.71E-05 9.85E-04 mg/kg/day 

SIC Code Comments: 

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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:4 Number of Release Sites: 20. 

 Release Activity: USE2: Max LADD 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 97.20 N/A N/A 0.00 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 1.00 0.00/0.00 N/A 0.00 

Per Site Release: 4.86 N/A/0.00 N/A 0.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 13 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 4 Number of Sites: 20 RELEASE ACTIVITY:USE2: 

Max LADD 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 1. 4.86 0.49 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 N/A N/A N/A N/A 

ALL 10 11.11 1.94 1.06 0.96 N/A N/A N/A N/A 

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 

LADDpot 8.27E-08 9.35E-07 mg/kg/day 2.51E-08 2.84E-07 mg/kg/day 

LADCpot 4.24E-06 4.79E-05 mg/L 3.00E-04 3.39E-03 mg/kg 

Acute 

ADRpot N/A N/A mg/kg/day N/A N/A mg/kg/day 

SIC Code Comments: 

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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:5 Number of Release Sites: 20. 

 Release Activity: USE3: Max ADR 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 20.40 N/A N/A 0.00 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 12.00 0.00/0.00 N/A 0.00 

Per Site Release: 8.50E-02 N/A/0.00 N/A 0.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 15 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 5 Number of Sites: 20 RELEASE ACTIVITY:USE3: 

Max ADR 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 12. 0.085 8.50E-03 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 6.77E-02 0.19 0.32 0.38 

ALL 10 11.11 1.94 1.06 0.96 0.77 4.38 8.02 8.85 

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 

LADDpot 1.74E-08 1.96E-07 mg/kg/day 5.27E-09 5.95E-08 mg/kg/day 

LADCpot 8.90E-07 1.01E-05 mg/L 6.30E-05 7.12E-04 mg/kg 

Acute 

ADRpot 1.61E-05 3.66E-04 mg/kg/day 8.61E-06 9.73E-05 mg/kg/day 

SIC Code Comments: 

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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:6 Number of Release Sites: 20. 

 Release Activity: USE3: PDM1 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 2.00 N/A N/A 0.00 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 20.00 0.00/0.00 N/A 0.00 

Per Site Release: 5.00E-03 N/A/0.00 N/A 0.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 17 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 6 Number of Sites: 20 RELEASE ACTIVITY:USE3: 

PDM1 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 20. 0.005 5.00E-04 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 3.98E-03 1.14E-02 1.87E-02 2.22E-02

ALL 10 11.11 1.94 1.06 0.96 4.50E-02 0.26 0.47 0.52 

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 

LADDpot 1.70E-09 1.92E-08 mg/kg/day 5.16E-10 5.84E-09 mg/kg/day 

LADCpot 8.73E-08 9.86E-07 mg/L 6.18E-06 6.98E-05 mg/kg 

Acute 

ADRpot 9.49E-07 2.15E-05 mg/kg/day 5.07E-07 5.72E-06 mg/kg/day 

SIC Code Comments: 

EPA SANITIZED Page 18 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC CODE EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 6 RELEASE ACTIVITY: USE3: PDM1 

SIC CODE DESCRIPTION: POTW's (All facilities) 

ASSOCIATED SIC CODES: 4952 

SIC CODE RESULTS 

COC (μg/L) 

Percent of 

Year COC 

Exceeded 

Number of 

Days COC 

Exceeded 

Release 

days/year 

Loading 

(kg/site/day) 

Waste Water 

Treatment (%) 

High/Avg 

Analysis 

60.00 0 0 20.00 5.00E-03 90.00 High 

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 POST FOCUS EXPOSURE REPORT 

Chemical ID: P-12-0041 Assessor: Cinalli/SS 

ENVIRONMENTAL RELEASES 

 Scenario#:7 Number of Release Sites: 20. 

 Release Activity: USE3: Max LADD 

 Release Description: WATER LANDFILL 

Non-sludge/Sludge 

STACK FUGITIVE 

Total Releases: 21.20 N/A N/A 0.00 

 (kg/yr) (kg/yr) (kg/yr) (kg/yr) 

 

 Non-sludge/Sludge 

Release Days/yr: 1.00 0.00/0.00 N/A 0.00 

Per Site Release: 1.06 N/A/0.00 N/A 0.00 

 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) 

Remarks: 

EPA SANITIZED Page 20 of 23
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POST FOCUS EXPOSURE REPORT 

 Chemical ID: P-12-0041 

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES 

SCENARIO #: 7 Number of Sites: 20 RELEASE ACTIVITY:USE3: 

Max LADD 

SIC-CODE DESCRIPTION: POTW's (All facilities) 

SIC-CODE (S): 4952 EXPOSED POPULATION: Adult 

WWT 

REMOVAL 

(%) 

RELEASE 

DAYS 

PRETREATMENT 

RELEASE 

(kg/site/day) 

POSTTREATMENT 

RELEASE 

(kg/site/day) 

DWT 

(%) BCF 

(L/kg) 

90.00 1. 1.06 0.11 0.00 70.80 

AQUATIC EXPOSURE ESTIMATES - SURFACE WATER 

PLANT 

TYPE 

% ILE 

FACILITY 

STREAM FLOW (MLD) STREAM CONC. (μg/l) 

Harmonic 

Mean 30Q5 7Q10 1Q10 

Harmonic 

Mean 30Q5 7Q10 1Q10 

ALL 50 125.56 44.02 26.80 22.53 N/A N/A N/A N/A 

ALL 10 11.11 1.94 1.06 0.96 N/A N/A N/A N/A 

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 

LADDpot 1.80E-08 2.04E-07 mg/kg/day 5.47E-09 6.19E-08 mg/kg/day 

LADCpot 9.25E-07 1.05E-05 mg/L 6.55E-05 7.40E-04 mg/kg 

Acute 

ADRpot N/A N/A mg/kg/day N/A N/A mg/kg/day 

SIC Code Comments: 

EPA SANITIZED Page 21 of 23
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CEM Inputs ID Number: P-12-0041,8 

Product: unknown Chemical Name: P-12-0041 

Scenario: Aerosol Paint Population: Adult 

Molecular Weight (g/mole): 554 Vapor Pressure (torr): 1e-06 

Consumer Product Weight Fraction - 

Central Tendency (unitless): 

0.04 Consumer Product Weight Fraction - 

High-End (unitless): 

0.04 

Inhalation Inputs 

Frequency of Use (chronic) (events/yr): 6 Exposure Duration (chronic) (years): 57 

Frequency of Use (acute) (events/day): 1 Exposure Duration (acute) (days): 1 

Mass of Product Used per Event - Central 

Tendency (g): 

227 Mass of Product Used per Event - 

High-End (g): 

738 

Inhalation Rate During Use (m3/hr): 1.1 Duration of Event - Central Tendency 

(hours/event): 

0.3329 

Inhalation Rate After Use (m3/hr): 0.55 Duration of Event - High-End 

(hours/event): 

1 

Zone 1 Volume (m3): 20 Whole House Volume (m3): 369 

Air Exchange Rate (air exchanges/hr): 0.45 Body Weight (kg): 71.8 

Portion of Aerosol in Air (unitless): 0.01 

Activity Patterns 

User: 1 1 1 1 1 1 1 2 3 5 5 4 2 4 6 7 4 2 2 7 4 4 4 1 

Non-User: 1 1 1 1 1 1 1 1 3 2 4 4 2 4 7 7 4 2 2 7 4 4 4 1 

Hour:0 6 12 18 

Start Time: 9 Room of Use: 5. Utility Room 

Dermal Inputs 

There are no Dermal inputs for this scenario. 

Averaging Time (chronic) (days): 2.74e+04 Averaging time (acute) (days) : 1 

 

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CEM Inhalation Exposure Estimates 

 ID Number: P-12-0041,8 

 Scenario: Aerosol Paint Population: Adult 

 Exposure Duration (years) chronic: 57 Exposure Duration (days) acute: 1 

 

Exposure Units Result AT (days) 

 Chronic Cancer 

 LADDpot (mg/kg-day) 1.30e-04 2.74e+04 

 LADCpot (mg/m3) 6.93e-04 2.74e+04 

 Acute 

 ADRpot (mg/kg-day) 2.16e-03 1 

 Cppot (mg/m3) 2.98e-02 NA 

 LADD - Lifetime Average Daily Dose(mg/kg-day) LADC - Lifetime Average Daily Concentration (mg/m3) 

 ADR - Acute Dose Rate (mg/kg-day) Cp - Peak Concentration (mg/m3) 

 

Note: 75 years = 2.738e+04 days pot - potential dose 

Note: The general Agency guidance for assessing short-term, infrequent events (for most chemicals, an exposure of less than 24 

hours that occurs no more frequently than monthly) is to treat such events as independent, acute exposures rather than 

as chronic exposure. (Methods for Exposure-Response Analysis for Acute Inhalation Exposure to Chemicals (External 

Review Draft). EPA/600/R-98/051. April 1998 

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