Sanitized Exposure Report 

P-13-0810 – 0821 

Docket Identification Number 

EPA-HQ-OPPT-2014-0166 
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INITIAL REVIEW EXPOSURE REPORT (IRExR)

Chemical ID: P-13-0810c R eviewer: Bevington/SS 

(P-13-0810; P-13-0811; P-13-0813; P-13-0814; P-13-0816; P-13-0817; P-13-0819; P-13-0820) 

 

Results Table: 

Exposure Scenario

COC = 1

Release activity: exposure 

calculations

ug/L

3.90 E-01

1.44 E-01

Remarks: 

See below: 

 

3.90 E-01 ug/L

 1.44 E-01 ug/L 
8/28/13 page of

INITIAL REVIEW EXPOSURE REPORT (IRExR)

Chemical ID: P-13-0810c Reviewer: Bevington/SS 

(P-13-0812; P-13-0815; P-13-0818; P-13-0821) 

 

Results Table: 

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

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.

COC = 1

3.90 E-01

1.44 E-01

1

See Remarks for calculation and reference.

Remarks: 

 
8/28/13 page of

 

 

 
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 INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812 Assessor: Bevington/SS

ENVIRONMENTAL RELEASES

Scenario#:1 Number of Release Sites: 1. 

Release Activity: PROC: Max ADR

Release Description: WATER LANDFILL

Non-sludge/Sludge

STACK FUGITIVE

Total Releases: N/A N/A 5520.00 N/A

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

Non-sludge/Sludge

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

Per Site Release: N/A N/A/0.00 276.00 N/A

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

Remarks: 
8/28/13 page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812

INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)

SCENARIO #: 1 RELEASE ACTIVITY:PROC: Max ADR

RELEASE DESCRIPTION: 

METHOD OF CALCULATION: Screen3

EXPOSED POPULATION: Adult

Number of Sites: 1. 

Per Site Fugitive Release: NA kg/site/day

Fugitive Release Days per Year: NA days

% Removal via Fugitive Release: 0.00 %

Total Fugitive Release: 1.00 kg/yr

Max Annual Average Air Concentration 

(Fugitive):

0.00 μg/m3

Max 24 Hour Average Air 

Concentration(Fugitive):

0.00 μg/m3

Per Site Stack Release: 276.00 kg/site/day

Stack Release Days per Year: 20.00 days

% Removal via Stack Release: 0.00 %

Total Stack Release: 5520.00 kg/yr

Max Annual Average Air Concentration (Stack): 20.40 μg/m3

Max 24 Hour Average Air Concentration (Stack): 1860.00 μg/m3

Exposure Units

Results

(Stack)

Results

(Fugitive)

ASSUMPTIONS

ED

(years)

AT

(years)

BW

(kg)

Inh. Rate 

(m3/hr)

Cancer

LADDpot (mg/kg/day) 1.50E-03 N/A 30.00 75.00 71.80 0.55

LADCpot (mg/m3) 8.16E-03 N/A 30.00 75.00 NA NA

Acute

ADRpot (mg/kg/day) 0.34 N/A NA 1 day 71.80 0.55

Inhalation Comments: 
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 Stack Parameter Data Fugitive Parameter Data

Stack Height 10.00 m Release Height: N/A

Inside Stack 

Diameter:

0.10 m Length of Release 

Opening:

N/A

Stack Gas Exit 

Velocity:

0.10 m/sec Width of Release 

Opening:

N/A

Stack Gas 

Temperature:

293.00 K

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
8/28/13 page of

 INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812 Assessor: Bevington/SS

ENVIRONMENTAL RELEASES

Scenario#:2 Number of Release Sites: 1. 

Release Activity: PROC: Max LADD

Release Description: WATER LANDFILL

Non-sludge/Sludge

STACK FUGITIVE

Total Releases: N/A N/A 5520.00 N/A

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

Non-sludge/Sludge

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

Per Site Release: N/A N/A/0.00 5520.00 N/A

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

Remarks: 
8/28/13 page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812

INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)

SCENARIO #: 2 RELEASE ACTIVITY:PROC: Max LADD

RELEASE DESCRIPTION: 

METHOD OF CALCULATION: Screen3

EXPOSED POPULATION: Adult

Number of Sites: 1. 

Per Site Fugitive Release: NA kg/site/day

Fugitive Release Days per Year: NA days

% Removal via Fugitive Release: 0.00 %

Total Fugitive Release: 1.00 kg/yr

Max Annual Average Air Concentration 

(Fugitive):

0.00 μg/m3

Max 24 Hour Average Air 

Concentration(Fugitive):

N/A μg/m3

Per Site Stack Release: 5520.00 kg/site/day

Stack Release Days per Year: 1.00 days

% Removal via Stack Release: 0.00 %

Total Stack Release: 5520.00 kg/yr

Max Annual Average Air Concentration (Stack): 20.40 μg/m3

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

Exposure Units

Results

(Stack)

Results

(Fugitive)

ASSUMPTIONS

ED

(years)

AT

(years)

BW

(kg)

Inh. Rate 

(m3/hr)

Cancer

LADDpot (mg/kg/day) 1.50E-03 N/A 30.00 75.00 71.80 0.55

LADCpot (mg/m3) 8.16E-03 N/A 30.00 75.00 NA NA

Acute

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

Inhalation Comments: 
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 Stack Parameter Data Fugitive Parameter Data

Stack Height 10.00 m Release Height: N/A

Inside Stack 

Diameter:

0.10 m Length of Release 

Opening:

N/A

Stack Gas Exit 

Velocity:

0.10 m/sec Width of Release 

Opening:

N/A

Stack Gas 

Temperature:

293.00 K

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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 INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812 Assessor: Bevington/SS

ENVIRONMENTAL RELEASES

Scenario#:3 Number of Release Sites: 41. 

Release Activity: USE: Max LADD

Release Description: WATER LANDFILL

Non-sludge/Sludge

STACK FUGITIVE

Total Releases: N/A N/A 2.44E+05 N/A

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

Non-sludge/Sludge

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

Per Site Release: N/A N/A/0.00 5960.50 N/A

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

Remarks: 
8/28/13 page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-13-0812

INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)

SCENARIO #: 3 RELEASE ACTIVITY:USE: Max LADD

RELEASE DESCRIPTION: 

METHOD OF CALCULATION: Screen3

EXPOSED POPULATION: Adult

Number of Sites: 41. 

Per Site Fugitive Release: NA kg/site/day

Fugitive Release Days per Year: NA days

% Removal via Fugitive Release: 0.00 %

Total Fugitive Release: 41.00 kg/yr

Max Annual Average Air Concentration 

(Fugitive):

0.00 μg/m3

Max 24 Hour Average Air 

Concentration(Fugitive):

N/A μg/m3

Per Site Stack Release: 5960.50 kg/site/day

Stack Release Days per Year: 1.00 days

% Removal via Stack Release: 0.00 %

Total Stack Release: 2.44E+05 kg/yr

Max Annual Average Air Concentration (Stack): 22.00 μg/m3

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

Exposure Units

Results

(Stack)

Results

(Fugitive)

ASSUMPTIONS

ED

(years)

AT

(years)

BW

(kg)

Inh. Rate 

(m3/hr)

Cancer

LADDpot (mg/kg/day) 1.62E-03 N/A 30.00 75.00 71.80 0.55

LADCpot (mg/m3) 8.80E-03 N/A 30.00 75.00 NA NA

Acute

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

Inhalation Comments: 
8/28/13 page of

 Stack Parameter Data Fugitive Parameter Data

Stack Height 10.00 m Release Height: N/A

Inside Stack 

Diameter:

0.10 m Length of Release 

Opening:

N/A

Stack Gas Exit 

Velocity:

0.10 m/sec Width of Release 

Opening:

N/A

Stack Gas 

Temperature:

293.00 K

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