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### STANDARD REVIEW EXPOSURE REPORT **This assessment is based on Standard Review Draft, dated 12/17/2012. Chemical ID: P**  **- 13**  **- 0107**  **Reviewer: Kwon/SS**

**Results Table: Dose, Concentration, and Days Exceeded Results Summary** Exposure Scenari o 1 Water Lan dfill Stack Air Fugitive Air Release activity(ies) 2 ; exposure calculation(s) 3 Drinking Water Fish Ingestion 7Q10 4 CC=1 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 PROC/USE: Max ADR, PDM, LADD **1.29E -**  **02 3.32E**  **- 04**  **9.30E -**  **02 1.42E**  **- 03**  **264.18 300**  **1.56E -**  **03 1.29E**  **- 02**  **8.46E -**  **04 5.52E**  **- 02**  **1.46E -**  **03**

Exposure Based Criteria Parameter Exp Based Persistent Exceedance Value Drinking (Surface) Water Dose (mg/kg/day) No NA Fish Ingestion Dose (mg/kg/day) No NA Inhalation Dose (mg/kg/day) No NA Groundwater Dose (mg/kg/day) No NA Surface Water Release After Treatment (kg/yr) Yes NA **2460** Total Release After Treatment (kg/yr) Yes NA **30,197.52** Consumer Use? Yes NA1/9/13 page of STANDARD REVIEW EXPOSURE REPORT Chemical ID : P - 13 - 0107 Assessor: Kwon/SS ENVIRONMENTAL RELEASES Scenario#: 1 Number of Release Sites: 4. Release Activity: PROC/USE: Maz ADR, PDM, LADD Release Description: WATER LANDFILL Non- sludge/Sludge STACK FUGITIVE Total Releases: 2.46E+04 3.01E+04 1.25E+04 2646.00 (kg/yr) (kg/yr) (kg/yr) (kg/yr)

Non- sludge/Sludge Release Days/yr: 300.00 1.00/0.00 300 .00 300.00 Per Site Release: 20.50 7515.00 /0.00 10.40 2.21 (kg/site/day) (kg/site/day) (kg/site/day) (kg/site/day) Remarks:1/9/13 page of STANDARD REVIEW EXPOSURE REPORT Chemical ID : P - 13 - 0107 SIC - CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFA CE WATER RELEASES SCENARIO #: 1 Number of Sites: 4 RELEASE ACTIVITY: PROC/USE: Maz ADR, PDM, LADD SIC - CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) SIC - CODE (S): Subset of 4952 EXPOSED POPULATION: Adult WWT REMOVAL (%) RE LEASE

DAYS PRETREATMENT

RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT

(%) BCF

(L/kg) 90.00 300. 20.5 2.05 0.00 1000.00

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 50 288.00 123.84 78.18 66.05 7.12 16.55 26.22 31.04 ALL 10 39.60 13.29 7.76 7.57 51.77 154.25 264.18 270.81

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 4.56E - 05 3.32E - 04 mg/kg/day 1.96E - 04 1.42E - 03 mg/kg/day LADC pot 2.34E - 03 1.70E - 02 mg/L 2.34 17.02 mg/kg Ac ute ADR pot 1.38E - 03 1.29E - 02 mg/kg/day 1.28E - 02 9.30E - 02 mg/kg/day SIC Code Comments:1/9/13 page of STANDARD REVIEW EXPOSURE REPORT Chemical ID : P - 13 - 0107 SIC CODE EXPOSURES TO SURFACE WATER RELEASES SCENARIO # : 1 RELEASE ACTIVITY: PROC/USE: Maz ADR, PDM, LADD SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.) ASSOCIATED SIC CODES: Subset of 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 1.00 82 300 300.00 20.50 90.00 High1/9/13 page of STANDARD REVIEW EXPOSURE REPORT Chemical ID: P - 13 - 0107

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES SCENARIO #: 1 ACTIVITY: PROC/USE: Maz ADR, PDM, LADD RELEASE D ESCRIPTION: EXPOSED POPULATION: Adult

NUMBER OF SITES NON - SLUDGE

LANDFILL RELEASE AND DAYS OF RELEASE (kg/site/day) /(days) LANDFILLED SLUDGE 1 AND DAYS OF RELEASE (kg/site/day) /(days) MIGRATION

DESCRIPTOR2 ADSORPTION TO WASTEWATER SLUDGE (%) DRINKING

WATER TREATMENT (%) 4. 7515.00/1.00 0.00/0.00 Slow 0.00 0.00 1 Landfilled sludge equals the fraction adsorbed to wastewater treatment sludge times the surface water pre -treatment release. 2 Migration Descriptor Log Koc Groundwater Concentration (GWC) (mg/L per kg release) Negligible no migration None Negligible to slow > 4.5 3.21E - 6 Slow <4.5 to 3.5 2.67E - 5 Moderate <3.5 to 2.5 5.95E - 5 Rapid <2.5 7.55E - 5

Exposure Units Results ASSUMPTIONS ED (years) AT

(years) BW

(kg) IR

(L/day) Cancer LADD pot (mg/kg/day) 1.56E - 03 30.00 75.00 71.80 1.40 LADC pot (mg/L) 8.03E - 02 30.00 75.00 NA NA REMARKS:1/9/13 page of STANDARD REVIEW EXPOSURE REPORT Chemical ID : P - 13 - 0107INHALATION EXPOSURE ESTIMATES (POST - TREATMENT) SCENARIO #: 1 RELEASE ACTIVITY: PROC/USE: Maz ADR, PDM, LADD RELEASE DESCRIPTION: METHOD OF CALCULATION: Screen3 EXPOSED POPULATION: Adult Num ber of Sites: 4. Per Site Fugitive Release: 2.21 kg/site/day Fugitive Release Days per Year: 300.00 days % Removal via Fugitive Release: 0.00 % Total Fugitive Release: 2646.00 kg/yr Max Annual Average Air Concentration (Fugitive): 19.80 μ g/m3 Max 24 Hour Average Air Concentration(Fugitive): 300.00 μ g/m3 Per Site Stack Release: 10.40 kg/site/day Stack Release Days per Year: 300.00 days % Removal via Stack Release: 0.00 % Total Stack Release: 1.25E+04 kg/yr Max Annual Average Air Concentration (Stack): 11.50 μ g/m3 Max 24 Hour Average Air Concentration (Stack): 70.00 μ g/m3

Exposure Units Results (Stack) Results

(Fugitive) ASSUMPTIONS

ED (years) AT

(years) BW

(kg) Inh. Rate

(m3 /hr) Cancer LADD pot (mg/kg/day) 8.46E - 04 1.46E - 03 30.00 75.00 71.80 0.55 LADC pot (mg/m3 ) 4.60E - 03 7.92E - 03 30.00 75.00 NA NA Ac ute ADR pot (mg/kg/day) 1.29E - 02 5.52E - 02 NA 1 day 71.80 0.55 Inhalation Comments:1/9/13 page of

Stack Parameter Data Fugitive Parameter Data Stack Height 10.00 m Release Height: 3.00 m Inside Stack Diameter: 0.10 m Length of Release Opening: 10.00 m Stack Gas Exit Velocity: 0.10 m/sec Width of Release Opening: 10.00 m Stack Gas Tem perature: 293.00 K

Meteorolo gical 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 m1/9/13 page of

CEM Inputs ID Number: P - 12 - 0282,22 Product: unknown Chemical Name: P - 12 - 0282 Scenario: Used Motor Oil Population: Adult Molecular Weight (g/mole): 302 Consumer Product Weight Fraction - Central Tendency (unitless): 0.3 Consumer Product Weight Fraction - High- End (unitless): 0.3 Inhalation Inputs There are no Inhalation inputs for this scenario. Activity Patterns There are no Activity Patterns for this scenario. Dermal Inputs Frequency of Use - (chronic) (events/yr): 4 SA/BW - (cm2/kg): 7.8 Frequency of Use - (acute) (events/day): 1 Exposure Duration (years) chronic: 57 Exposure Duration (days) acute: 1 Amount Retained/Absorbed to Skin (g/cm2 - event): 0.0105

Averaging Time (chronic) (days): 2.74e+04 Averaging Time (acute) (days) : 11/9/13 page of CEM Dermal Exposure Estimates ID Number: P - 12 - 0282,22 Scenario: Used Motor Oil Population: Adult Exposure Duration (years) chronic: 57 Exposure Duration (days) acute: 1

Exposure Units Result AT(days) Chronic Cancer LADD pot (mg/kg - day) 2.05e - 01 2.74e+04 Ac ute ADR pot (mg/kg - day) 2.46e+01 1 LADD - Lifetime Average Daily Dose (mg/kg - day) ADR - Acute Dose Rate (mg/kg - day) 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)