# Support Documents for Significant New Use Rule (SNUR) on Premanufacture Notice (PMN) P-09-479

EPA Docket EPA-HQ-OPPT-2010-1075

# Index A-001 Structure Activity Team (SAT) Report for PMN P-09-479 A-002 Initial Review Engineering Report for PMN P-09-479 A-003 Initial Review Exposure Report for PMN P-09-479

# A-001 Structure Activity Team (SAT) Report for PMN P-09-479

## SAT Report PMN Number: P-09-0479 SAT Date: 7/17/2009

Related cases : Health related cases: Ecotox related cases:

Concern levels : 

### Type of Concern: Health Eco Comments Level of Concern: 1-2 3

Persistence Bioaccum Toxicity Comments 2 1 2 PMN Exposure Based Review : Health: Ecotox: N o Routes of exposure : Health: Dermal, inhalation Ecotox: All releases to water Fate: ;

P 2 Rec Comments : Comment: SAT had no comment Keywords : Keywords: LIVER; KIDNEY; TESTES; MALE REPRO; DEVEL; ONCO (UNCERT); N EURO (UNCERT); AQUATOX Summary of Assessment :
Fate : Fate Summary: P-09-0479 FATE: Solid with MP = 97.6 EC (M) log Kow = 2.28 (M); S = 0.537 mg/L at 25 EC (M) Hydrolysis half-life (ester) $mo at pH 7 VP < 1.0E-6 torr at 25 EC (M) BP > 400 EC (E) H < 1.00E-8 (E)

### log Koc = 2.91 (E) log Fish BCF = 1.17 (E) log Fish BAF = 0.504 (E) POTW removal (%) = 0; OECD 301F(Mano Resp):0%/28d; OECD 111(Hydrolysis):t1/2( p H7,9):1357h/1522h@25C. Time for complete ultimate aerobic biodeg = mo Sorption to soils/sediments = moderate PBT Potential: P2B1 *CEB FATE: Migration to ground water = moderate

Health : Health Summary: N ot absorbed through the skin as the neat material, p oo r absorption through the skin if in solution ( p che m ), moderate absorption from the lung and GI tract (analog), expect some ester hydrolysis to release Concern for liver toxicity, effects to the testes, and male reproductive toxicity and uncertain concern for neurotoxicity based on submitted test data . Also concern for kidney toxicity. Concern for developmental toxicity for the acid hydrolysis product based on small substituted , and uncertain concern for oncogenicity for the substituted Test Data: (-) Salmonella with and without activation; (-) for chromosome aberrations in V79 cells with and without activation; rat oral LD0 = 2000 mg/kg; rat dermal LD0 = 2000 mg/kg; no skin irritation in rabbits; slight eye irritation in rabbits; no skin sensitization in guinea pigs using the Magnusson-Kligman assay; rat 28-day oral (diet) N OAEL = 100 mg/kg, liver and testes toxicity at 1000 mg/kg; rat 28-day oral (gavage) LOAEL = 1000 mg/kg (only dose tested in follow-up study), increased liver, kidney, and adrenal gland weight, decreased brain and testes weight, atrophy of testes
Ecotox :
Test Organism Test Type Test End Point Predicted Measured Comments

fish 96-h LC50 3.3 >0.36 N OEC = 0.36 daphnid 48-h LC50 0.58 >0.67 N OEC = 0.67 green algal 96-h EC50 0.50 0.06 fish

_ chronic value 0.076 daphnid

_ chronic value 0.030 algal

_ chronic value 0.11 Sewage Sludge 3-h EC50

_ Sewage Sludge

_ Chronic Value

_ Ecotox Values Comments: Predictions are based on SARs for ; SAR chemical class = ; MW 414; log Kow = 4.16 (EPI), 2.28 (M); solid with mp 98 C and S 15 mg/L (P); p H7; effective concentrations based on 100% active ingredients and mean measured concentrations; hardness <180.0 mg/L as CaCO3; and TOC <2.0 mg/L;

### Three acute ecotoxicity tests were submitted with this PMN and reviewed . Conclusions are shown below. Complete details may be found in the accompanying spreadsheet

. Conclusion: The three tests are considered valid. The OECD Guidance document on difficult to test substances was consulted for these tests. The static fish test (96-h) and the static daphnid test (48-h) were limit tests with nominal concentrations of 100 mg/L. The measured concentrations at test initiation for the fish and daphnid tests were 0.51 mg/L and 0.73 mg/L, respectively. Even though these values were orders of magnitude lower than the nominal concentration (due to P09-0479's low water solubility), the concentrations were stable (0.2 mg/L and 0.6 mg/L for the fish and daphnids, respectively) throughout the test. Adverse effects were not reported in the fish or daphnid tests. The algal test was a definitive test with five concentrations. Similar to the fish and daphnid tests, measured concentrations at test initiation were 0.2 to 0.6% of the reported nominal concentrations with a minor concentration decrease throughout the test duration

. Adverse effects were reported for algal biomass with a 72-h EC50 of 0.061 mg/L. The median measured concentrations were used to determine the EC50 values. The concern concentration (CoC) is derived from the EC50 value for the most sensitive species , algae. The EC50 value (0.061 mg/L) is divided by an acute to chronic ratio of 4 to determine an algal ChV of 15 ug/L. The CoC for PMN P09-0479 is estimated by dividing the algal ChV by an assessment factor of 10 to yield 1.5ug/L, rounded to 2 p pb. The PMN P09-0479 is of high concern for ecotoxicity.
Factors Values Comments Assessment Factor 10 Concentration of Concern ( p pb) 2

SARs SAR Class
Ecotox Factors Comments:
SAT Chair: L Keifer 564-8916

# A-002 Initial Review Engineering Report for PMN P-09-479

### INITIAL REVIEW ENGINEERING REPORT P-09-0479 Focus Ready Draft 7/23/2009
ENGINEER: Jon \ CPW PV (kg/yr):
Revision Notes/Assessment Overview:
SUBMITTER: Lamberti USA Inc. (submitter)
USE:

Consumer Use: SAT (concerns): (7/17 /2009): Migration to groundwater: PBT rating: P 2 B 1 T 2 Health: 1-2, Dermal, Inhalation Eco: 3, Water (All releases to water with a CC = 3 ppb )
OCCUPATIONAL EXPOSURE RATING: 2-3B
NOTES & KEY ASSUMPTIONS:Generated by the 06/07/2005 version of ChemSTEER.

POLLUTION PREVENTION CONSIDERATIONS:

P2 REC:
EXPOSURE-BASED REVIEW:P-09-0479

Processing:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYP-09-0479

Use 2:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARYP-09-0479

Use 1:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYP-09-0479

Use 2:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARYP-09-0479

Processing:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYP-09-0479

Use 1:
Number of Sites/Location:

Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYYes

### TEST DATA REVIEW ENGINEERING REPORT P-09-0479 Post-Focus Draft Revision 2 10/14/2010
ENGINEER: Jon \ CPW PV (kg/yr):

SUBMITTER: Lamberti USA Inc. (submitter)
USE:

Consumer Use: SAT (concerns): (7/17 /2009): Migration to groundwater: Moderate PBT rating: P 2 B 1 T 2 Health: 1-2, Dermal, Inhalation Eco: 3, Water (All releases to water with a CC = 3 ppb )
OCCUPATIONAL EXPOSURE RATING: 2-3BNOTES & KEY ASSUMPTIONS: Generated by the 06/07/2005 version of ChemSTEER.

POLLUTION PREVENTION CONSIDERATIONS:

P2 REC:
EXPOSURE-BASED REVIEW:P-09-0479

Use 2:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYP-09-0479

Processing:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARYP-09-0479

Use 1:
Number of Sites/Location: 1 submitter site(s)
Basis: Process Description:



## ENVIRONMENTAL RELEASES ESTIMATE SUMMARY

RELEASE TOTAL

OCCUPATIONAL EXPOSURES ESTIMATE SUMMARY

# A-003 Initial Review Exposure Report for PMN P-09-4797/22/09 Page of

INITIAL REVIEW EXPOSU RE REPORT (IRExR)

Chemical ID: P090479 Reviewer: Cinalli Results Table: Dose, Concentration, and Days Exceeded Results Summary
Exposure Scenario 1 Water Landfill Stack Air Fugitive Air Drinking Water Fish Ingestion ADR LADD ADR LADD 7Q10 4 CC=3 PDM Days Exceeded 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 μ g/l # Days mg/kg/day mg/kg/day mg/kg/day mg/kg/day mg/kg/day max ADR, LADD (fugitive), PDM --- --- --- --- 707.55 245 --- --- --- 1.84E-02 4.13E-04

: PDM --- --- --- --- 1.32E+04 250 --- --- --- --- --- : max ADR, LADD --- --- --- --- --- --- --- --- --- 2.76E-02 6.05E-04

1 Exposure scenario titles consist of release activ ity followed by exposure calculation abbreviation. 2 Release activities are from engineering report's Manufactur ing (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 streamflow of the 7 consecutive days of lowest flow within a 10 year period.
Remarks:

Fate test recommendations?: (default is NA)7/22/09 Page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P090479 Assessor: Cinalli
ENVIRONMENTAL RELEASES
Scenario#:1 Number of Release Sites: Release Activity: ma x ADR, LADD (fugitive), PDM 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:7/22/09 Page of

INITIAL REVIEW EX POSURE REPORT
Chemical ID: P090479

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES
SCENARIO #: 1 Number of Site s: RELEASE ACTIVITY max ADR, LADD (fugitive), PDM
SIC-CODE DESCRIPTION: POTW's (All facilities) SIC-CODE (S): 4952 EX POSED POPULATION: Adult

WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg)

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 50 125.56 44.02 26.80 22.53 5.97 17.04 27.99 33.29
ALL 10 11.11 1.94 1.06 0.96 67.51 386.60 707.55 781.25

DRINKING WATER AND FISH IN GESTION EXPOSURE ESTIMATES

Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion

Units 50% 10% 50% 10%
Cancer
LADD pot 3.19E-05 3.61E-04 mg/kg/day 2.02E-06 2.29E-05 mg/kg/day
LADC pot 1.64E-03 1.85E-02 mg/L 2.42E-02 0.27 mg/kg
Acute
ADR pot 1.42E-03 3.23E-02 mg/kg/day 1.59E-04 1.80E-03 mg/kg/day

SIC Code Comments:7/22/09 Page of

INITIAL REVIEW EX POSURE REPORT
Chemical ID: P090479

SIC CODE EXPOSURES TO SURFACE WATER RELEASES
SCENARIO #: 1 RELEASE ACTIVITY: max ADR, LADD (fugitive), PDM
SIC CODE DESCRI PTION: POTW's (All facilities)
ASSOCIATED SIC CODES: 4952
SIC CODE RESULTS

COC ( μ g/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis

3.00 67 245 High
Remarks: COC exceeded for > 20 days.7/22/09 Page of

INITIAL EXPOSURE REVIEW REPORT Chemical ID: P090479
INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)
SCENARIO #: 1 RELEASE ACTIVITY max ADR, LADD (fugitive), PDM
RELEASE DESCRIPTION:
METHOD OF CALCULATION: Screen3
EXPOSED POPULATION: Adult

Number of Sites: Per Site Fugitive Release: kg/site/day Fugitive Release Days per Year: days % Removal via Fugitive Release: 0.00 % Total Fugitive Release: kg/yr Max Annual Average Air Concentration (Fugitive): 5.62 μg/m 3

Max 24 Hour Average Air Concentration(Fugitive): 100.00 μg/m 3

Per Site Stack Release: NA kg/site/day Stack Release Days per Year: NA days
% Removal via Stack Release: %
Total Stack Release: NA kg/yr Max Annual Average Air Con centration (Stack): 0.00 μg/m 3 Max 24 Hour Average Air Concentration (Stack): 0.00 μg/m 3

ASSUMPTIONS Exposure Units Results (Stack) Results (Fugitive) ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr)
Cancer
LADD pot (mg/kg/day) N/A 4.13E-04 30.00 75.00 71.80 0.55
LADC pot (mg/m 3 ) N/A 2.25E-03 30.00 75.00 NA NA
Acute
ADR pot

(mg/kg/day) N/A 1.84E-02 NA 1 day 71.80 0.55

Inhalation Comments:7/22/09 Page of

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 m7/22/09 Page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P090479 Assessor:
ENVIRONMENTAL RELEASES
Scenario#:2 Number of Release Sites: Release Activity: PDM 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:7/22/09 Page of

INITIAL REVIEW EX POSURE REPORT
Chemical ID: P090479

SIC-CODE BASED HUMAN AND AQUATIC EXPOSURES TO SURFACE WATER RELEASES
SCENARIO #: 2 Number of Site s: RELEASE ACTIVITY PDM
SIC-CODE DESCRIPTION: POTW’s (All facilities) SIC-CODE (S): 4952 EX POSED POPULATION: Adult

WWT REMOVAL (%) RELEASE DAYS PRETREATMENT RELEASE (kg/site/day) POSTTREATMENT RELEASE (kg/site/day) DWT (%) BCF (L/kg)

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 50 125.56 44.02 26.80 22.53 111.50 318.04 522.39 621.39
ALL 10 11.11 1.94 1.06 0.96 1260.13 7216.49 1.32E+04 1.46E+04

DRINKING WATER AND FISH IN GESTION EXPOSURE ESTIMATES

Exposure Units Drinking Water Results Drinking Water Units Fish Ingestion Results Fish Ingestion

Units 50% 10% 50% 10%
Cancer
LADD pot 5.96E-04 6.73E-03 mg/kg/day 3.78E-05 4.27E-04 mg/kg/day
LADC pot 3.05E-02 0.35 mg/L 0.45 5.11 mg/kg
Acute
ADR pot 2.66E-02 0.60 mg/kg/day 2.96E-03 3.35E-02 mg/kg/day

SIC Code Comments:7/22/09 Page of

INITIAL REVIEW EX POSURE REPORT
Chemical ID: P090479

SIC CODE EXPOSURES TO SURFACE WATER RELEASES
SCENARIO #: 2 RELEASE ACTIVITY: PDM SIC CODE DESCRIPTION: POTW’s (All facilities)
ASSOCIATED SIC CODES: 4952
SIC CODE RESULTS

COC ( μ g/L) Percent of Year COC Exceeded Number of Days COC Exceeded Release days/year Loading (kg/site/day) Waste Water Treatment (%) High/Avg Analysis

3.00 68 250 High
Remarks: COC exceeded for > 20 days.7/22/09 Page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P090479 Assessor:
ENVIRONMENTAL RELEASES
Scenario#:3 Number of Release Sites: Release Activity: max ADR, LADD 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:7/22/09 Page of

INITIAL EXPOSURE REVIEW REPORT Chemical ID: P090479
INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)
SCENARIO #: 3 RELEASE ACTIVITY max ADR, LADD
RELEASE DESCRIPTION:
METHOD OF CALCULATION: Screen3
EXPOSED POPULATION: Adult

Number of Sites: Per Site Fugitive Release: kg/site/day Fugitive Release Days per Year: days % Removal via Fugitive Release: 0.00 % Total Fugitive Release: kg/yr Max Annual Average Air Concentration (Fugitive): 8.23 μg/m 3

Max 24 Hour Average Air Concentration(Fugitive): 150.00 μg/m 3

Per Site Stack Release: NA kg/site/day Stack Release Days per Year: NA days
% Removal via Stack Release: %
Total Stack Release: NA kg/yr Max Annual Average Air Con centration (Stack): 0.00 μg/m 3 Max 24 Hour Average Air Concentration (Stack): 0.00 μg/m 3

ASSUMPTIONS Exposure Units Results (Stack) Results (Fugitive) ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr)
Cancer
LADD pot (mg/kg/day) N/A 6.05E-04 30.00 75.00 71.80 0.55
LADC pot (mg/m 3 ) N/A 3.29E-03 30.00 75.00 NA NA
Acute
ADR pot

(mg/kg/day) N/A 2.76E-02 NA 1 day 71.80 0.55

Inhalation Comments:7/22/09 Page of

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 m7/22/09 Page of



## LEGEND FOR NEW CHEMICAL S EXPOSURE REPORT

This new chemicals exposure report wa s prepared by the Exposure Assessment Branch (EAB) of the Economics, Exposure and Technology Division, Office of Pollution Prevention and Toxics, USEPA. The goals of these reports are to calcula te conservative (protective) estimates of exposure endpoints for consumers, the general population, and the environment. For each exposure scenario to industrial releases, the following three endpoints are calculated: (1) maximum possible acute concentrations and doses (2) maximum possible chronic concentrations and doses (3) for water releases ≥ 20 days, the probability of exceedence of the aquatic concentration of concern These endpoints are identified by abbreviati ons on the Release Activity line, e.g., (1) max ADR , (2) max LADD , (3) max PDM . Depending on the release inputs, these e ndpoints may be calculated and presented on the same page or different pages. That is, a release activity ID of mfg; max ADR, max PDM, max LADD indicates that all the exposure endpoints were cal culated from common manufacturing release values; conversely, a release activity ID of mfg &proc; max ADR indicates that only the maximum acute exposure values were calculated for manufacturing and proce ssing releases that occurred at the same site. For each consumer product use exposure scenario, whether exposure is to the user directly or to the general population/environment, the maximum exposure values are calculated and presented together. In addition to the exposure values above, EPA policy dir ects that exposure and release values be compared to criteria threshold values for Exposure-based and PBT Exposure-based cases. Exposure-based (YX) cases (those with ≥ 100,000 kg/yr production volume) Criteria are exceeded under the following conditions: Presence in consumer product with likely exposure ≥ 3E-3 mg/kg/d exposure via air, fish ingestion or drinking water ≥ 10,000 kg/yr release to environment (post-treatment) ≥ 1,000 kg/yr release to water (post-treatment) Persistent, Bioaccumulative, Toxic (PBT) chemical s of P2B2 rating or hi gher and production volume ≥ 20,000 kg/yr Criteria are exceeded as for YX cases, with the following differences: ≥ 2,000 kg/yr release to environment (post-treatment) ≥ 200 kg/yr release to water (post-treatment) Bolding rules in the Report: Values for endpoints above th at are also health or eco concerns are bolded.October 20, 2010 page of



### INITIAL REVIEW EXPOSURE REPORT (IRExR)
Chemical ID: P-09-0479 Reviewer: Sherer/BC

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

Exposure Scenario 1 Water Landfill Stack Air Fugitive Air Drinking Water Fish Ingestion ADR LADD ADR LADD 7Q10 4 CC = 3 PDM Days Exceede d LADD ADR LADD ADR LADD

Release activity(ies) 2 ; exposure calculation(s) 3 mg/kg/day m g/kg/day mg/kg/day mg/kg/day μg/l # Days mg/kg/day m g/kg/day mg/kg/day m g/kg/day mg/kg/day

Max ADR --- --- --- --- --- --- --- --- --- 2.76E-02 --- Max LADD --- --- --- --- --- --- --- --- --- --- 6.05E-04

1 Exposure scenario titles consist of release activity followed by exposure calculation abbreviation. 2 Release activities are from engineering report's Manuf acturing (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 (A DR), 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 7Q 10 streamflow, which is defined as the average daily streamflow of the seven consecutive days of lowest flow within a ten year period.
Remarks:October 20, 2010 page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-09-0479 Assessor: Sherer/BC
ENVIRONMENTAL RELEASES
Scenario#:1 Number of Release Sites: Release Activity: Max ADR Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE

Total Releases: (k g/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:October 20, 2010 page of

INITIAL REVIEW EX POSURE REPORT Chemical ID: P-09-0479
INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)
SCENARIO #: 1 RELEASE ACTIVITY Max ADR
RELEASE DESCRIPTION:
METHOD OF CALCULATION: Screen3 EXPOSED POPULATION: Adult

Number of Sites: Per Site Fugitive Release: kg/site/day Fugitive Release Days per Year: days % Removal via Fugitive Release: 0.00 % Total Fugitive Release: kg/yr Max Annual Average Air Concentration (Fugitive): 8.23 μg/ m 3

Max 24 Hour Average Air Concentration(Fugitive): 150.00 μg/ m 3

Per Site Stack Release: NA kg/site/day Stack Release Days per Year: NA days
% Removal via Stack Release: %
Total Stack Release: NA kg/yr Max Annual Average Air Con centration (Stack): 0.00 μg/m 3 Max 24 Hour Average Air Concentration (Stack): 0.00 μg/m 3

ASSUMPTIONS Exposure Units Results (Stack) Results (Fugitive) ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr)
Cancer
LADD pot (mg/kg/day) N/A 6.05E-04 30.00 75.00 71.80 0.55
LADC pot (mg/m 3 ) N/A 3. 29E-03 30.00 75.00 NA NA Acute
ADR pot

(mg/kg/day) N/A 2.76E-02 NA 1 day 71.80 0.55

Inhalation Comments:October 20, 2010 page of

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

Do wnwash Information:
Facility Length: NA m Facility Width: NA m Facility Height: NA mOctober 20, 2010 page of

INITIAL REVIEW EXPOSURE REPORT

Chemical ID: P-09-0479 Assessor: Sherer/BC
ENVIRONMENTAL RELEASES
Scenario#:2 Number of Release Sites: Release Activity: Max LADD Release Description: WATER LANDFILL Non-sludge/Sludge STACK FUGITIVE

Total Releases: (k g/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:October 20, 2010 page of

INITIAL REVIEW EX POSURE REPORT Chemical ID: P-09-0479
INHALATION EXPOSURE ESTIMATES (POST-TREATMENT)
SCENARIO #: 2 RELEASE ACTIVITY Max LADD
RELEASE DESCRIPTION:
METHOD OF CALCULATION: Screen3 EXPOSED POPULATION: Adult

Number of Sites: Per Site Fugitive Release: kg/site/day Fugitive Release Days per Year: days % Removal via Fugitive Release: 0.00 % Total Fugitive Release: kg/yr Max Annual Average Air Concentration (Fugitive): 8.23 μg/ m 3

Max 24 Hour Average Air Concentration(Fugitive): N/A μg/m 3

Per Site Stack Release: NA kg/site/day Stack Release Days per Year: NA days
% Removal via Stack Release: %
Total Stack Release: NA kg/yr Max Annual Average Air Con centration (Stack): 0.00 μg/m 3 Max 24 Hour Average Air Concentration (Stack): N/A μg/m 3

ASSUMPTIONS Exposure Units Results (Stack) Results (Fugitive) ED (years) AT (years) BW (kg) Inh. Rate (m 3 /hr)
Cancer
LADD pot (mg/kg/day) N/A 6.05E-04 30.00 75.00 71.80 0.55
LADC pot (mg/m 3 ) N/A 3. 29E-03 30.00 75.00 NA NA Acute
ADR pot

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

Inhalation Comments:October 20, 2010 page of

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

Do wnwash Information:
Facility Length: NA m Facility Width: NA m Facility Height: NA m