10/22/2014 Page of



### POST FOCUS EXPOSURE REPORT

Chemical ID: P -14-0395 Reviewer: Kwon/BC

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

Exposure Scenario 1 Water Landfill Stack Air Fugitive Air

Release activity(ies) 2 ;

exposure c alculation(s) 3 Drinking Water Fish Ingestion 7Q10 4

CC = 18 PDM

Days

Exceeded LADD ADR LADD ADR LADD

ADR LADD ADR LADD

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

: max a cute eco

--- --- --- --- 5.71E+00

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

: max acute eco

--- --- --- --- 1.45E+02

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

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), Life time 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 value s 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 :10/22/2014 Page of

POST FOCUS EXPOSURE REPORT

Chemical ID : P- 14

- 0395 Assessor: Kwon/BC

ENVIRONMENTAL RELEASES

Scenario#: 1 Number of Release Sites:

Release Activity: Max ADR

Release Description: WATER LANDFILL

Non

- sludge/Sludge STACK FUGITIVE

Total Releases:

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

Non

- sludge/Sludge

Release Days/yr:

Per Site Release:

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

Remarks:10/22/2014 Page of

POST FOCUS EXPOSURE REPORT

CHEMICAL ID: P- 14

- 0395

SITE

- SPECIFIC HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES:

LAKES, BAYS, ESTUARIES, AND OCEANS

SCENARIO #: 1 RELEASE ACTIVITY: Max ADR

FACILITY NAME:

FACILITY LOCATION:

RECEIVING WATER NAME:

REACH NUMBER: FACILITY ON REACH: DISCHARGE TYPE: Direct

NPDES PERMIT #: EXPOSED POPULATION: Adult

WWT

REMOVAL

(%) RELEASE

DAYS PLANT FLOW

(MLD) PRETREAT

RELEASE

(kg/site/day) POST

- TREAT

RELEASE

(kg/site/day) BCF

(L/kg)

0.00

AQUATIC EXPOSURE ESTIMATES

MIXING ZONE DILUTION FACTOR WATER CONCENTRATION (ug/L)

ACUTE SCENARIO 5.71

CHRONIC SCENARIO 1.99

FISH INGESTION EXPOSURE ESTIMATES

Exposure Units Results ASSUMPTIONS

ED

(years) AT

(years) BW

(kg) IR

(g/day)

Cancer

LADD pot (mg/kg/day) 0.00 33.00 78.00 80.00 7.50

LADC pot (mg/kg) 0.00 33.00 78.00 NA NA

Acute

ADR pot (mg/kg/day) 0.00 NA 1 day 80.00 279.00

Lakes Comments:10/22/2014 Page of

POST FOCUS EXPOSURE REPORT

Chemical ID : P- 14

- 0395 Assessor: Kwon/BC

ENVIRONMENTAL RELEASES

Scenario#: 2 Number of Release Sites:

Release Activity: : Max ADR

Release Description: WATER LANDFILL

Non

- sludge/Sludge STACK FUGITIVE

Total Releases:

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

Non

- sludge/Sludge

Release Days/yr:

Per Site Release:

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

Remarks:10/22/2014 Page of

POST FOCUS EXPOSURE REPORT

Chemical ID : P- 14

- 0395

SIC

- CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 Number of Sites: RELEASE ACTIVITY:

Max ADR

SIC

- CODE DESCRIPTION:

SIC

- CODE (S): EXPOSED POPULATION: Adult

WWT

REMOVAL

(%) RELEASE

DAYS PRETREATMENT

RELEASE

(kg/site/day) POSTTREATMENT

RELEASE

(kg/site/day) DWT

(%) BCF

(L/kg)

0.00 0.00

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 3.65 10.42 17.66 19.98

ALL 10 31.89 63.87 145.33 128.73

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 2.75E

- 07 2.40E

- 06 mg/kg/day 0.00 0.00 mg/kg/day

LADC pot 2.12E

- 05 1.85E

- 04 mg/L 0.00 0.00 mg/kg

Acute

ADR pot 3.95E

- 04 2.42E

- 03 mg/kg/day 0.00 0.00 mg/kg/day

SIC Code Comments:10/22/2014 Page of

POST FOCUS EXPOSURE REPORT

Chemical ID : P- 14

- 0395

SIC

- CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 Number of Sites: RELEASE ACTIVITY:

Max ADR

SIC

- CODE DESCRIPTION:

SIC

- CODE (S): EXPOSED POPULATION: Adult

WWT

REMOVAL

(%) RELEASE

DAYS PRETREATMENT

RELEASE

(kg/site/day) POSTTREATMENT

RELEASE

(kg/site/day) DWT

(%) BCF

(L/kg)

0.00 0.00

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 3.65 10.42 17.66 19.98

ALL 10 31.89 63.87 145.33 128.73

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 2.75E

- 07 2.40E

- 06 mg/kg/day 0.00 0.00 mg/kg/day

LADC pot 2.12E

- 05 1.85E

- 04 mg/L 0.00 0.00 mg/kg

Acute

ADR pot 3.95E

- 04 2.42E

- 03 mg/kg/day 0.00 0.00 mg/kg/day

SIC Code Comments:10/22/2014 Page of10/22/2014 Page of10/22/2014 Page of10/22/2014 Page of

INITIAL REVIEW EXPOSURE REPORT

CHEMICAL ID: P

- 14

- 039510/22/2014 Page of