EPA SANITIZED Page 1 of 8
December 10, 2003

INITIAL REVIEW EXPOSURE REPORT

Case Number: P040132 Assessor: Wormell

ENVIRONMENTAL RELEASES

Scenario#: 1 Number of Release Sites: 10. 

Release Activity: Processing

Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE

Total Releases: 0.00 0.00 800.00 0.00 5.00

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

Release Days/yr: 0. 250. 

Per Site Release: 0.00 0.00 80.00 0.00 2.00E-03

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

Remarks: Fugitive releases less than 23 kg/site/yr. Incineration releases less than 200 kg/site/yr.

Consumer use expected?

EPA SANITIZED Page 2 of 8
INITIAL REVIEW EXPOSURE REPORT

Case Number: P040132 Assessor: Wormell

ENVIRONMENTAL RELEASES

Scenario#: 2 Number of Release Sites: 1. 

Release Activity: Use

Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE

Total Releases: 2613.40 1000.00 1000.00 0.00 0.70

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

Release Days/yr: 73. 70. 

Per Site Release: 35.80 1000.00 1000.00 0.00 1.00E-02

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

Remarks: Fugitive release <23 kg/site/yr. First water release is 22 kg/site/day over 73 days. Release

to water, incin OR land of 13.822 kg/site/day over 73 days added to water release. Incin

release <200 kg/site/yr after assumed 99.9% destruction of organics

 

EPA SANITIZED Page 3 of 8
INITIAL REVIEW EXPOSURE REPORT

CASE NUMBER:P040132

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

SCENARIO #:2 RELEASE ACTIVITY:Use 

SIC-CODE DESCRIPTION:POTW (Indust., includes POTWs which receive ind. disch.)

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

WASTE WATER

TREATMENT REMOVAL 

(%)

COC

(μg/L)

RELEASE

DAYS

PRE-TREATMENT

RELEASE 

(kg/day)

POST-TREATMENT

RELEASE 

(kg/day)

BCF

(L/kg)

80. 20.00 73. 35.8 7.16 1880.00

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 50 311.58 116.44 75.70 61.91 22.98 61.49 94.58 115.65

ALL 10 32.75 11.98 7.19 5.98 218.63 597.66 995.83 1197.32

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 3.58E-05 3.41E-04 mg/kg/day 2.89E-04 2.75E-03 mg/kg/day

LADCpot 1.84E-03 1.75E-02 mg/L 3.46 32.88 mg/kg

Chronic Non-Cancer

ADDpot 8.96E-05 8.53E-04 mg/kg/day 7.22E-04 6.87E-03 mg/kg/day

ADCpot 4.60E-03 4.37E-02 mg/L 8.64 82.20 mg/kg

Acute

ADRpot 5.14E-03 4.99E-02 mg/kg/day 7.76E-02 0.74 mg/kg/day

EPA SANITIZED Page 4 of 8
INITIAL REVIEW EXPOSURE REPORT

CASE NUMBER: P040132

SIC CODE EXPOSURES TO SURFACE WATER RELEASES

SCENARIO #: 2 RELEASE ACTIVITY: Use

SIC CODE DESCRIPTION: POTW (Indust., includes POTWs which receive ind. disch.)

ASSOCIATED SIC CODES: 4952 from 1011-1999,2211-5199,5511-5599,7211-8099

SIC CODE RESULTS

COC (μg/L) % yr exceeded Days/yr

exceeded

Release

days/year

Loading

(kg/site/day)

Waste Water

Treatment (%)

High/Avg

Analysis

20.00 18.76 68 73 35.80 80.00 High

REMARK: The concentration of concern (COC) is exceeded 20 or more days per year.

EPA SANITIZED Page 5 of 8
INITIAL REVIEW EXPOSURE REPORT

CASE NUMBER:P040132

DRINKING WATER EXPOSURE ESTIMATES FROM LANDFILL RELEASES

SCENARIO #:2 ACTIVITY:Use

RELEASE DESCRIPTION:

EXPOSED POPULATION:Adult

NUMBER OF

SITES LANDFILL RELEASE

(kg/yr)

LANDFILLED SLUDGE

(kg/yr)

MIGRATION FACTOR1

DRINKING WATER

TREATMENT

 (%)

1. 1000.00 0.00 8.00E-05(Rapid) 0.00

 Exposure Units Results

ASSUMPTIONS

ED

(years)

AT

(years)

BW

(kg)

IR

 (L/day)

Cancer

LADDpot (mg/kg/day) 6.24E-04 30.00 75.00 71.80 1.40

LADCpot (mg/L) 3.20E-02 30.00 75.00 NA NA

Chronic Non-Cancer

ADDpot (mg/kg/day) 1.56E-03 30.00 30.00 71.80 1.40

ADCpot (mg/L) 8.00E-02 30.00 30.00 NA NA

EPA SANITIZED Page 6 of 8
INITIAL REVIEW EXPOSURE REPORT

Case Number: P040132 Assessor: Wormell

ENVIRONMENTAL RELEASES

Scenario#: 3 Number of Release Sites: 18. 

Release Activity:

Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE

Total Releases: 0.00 1000.00 1000.00 0.00 40.50

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

Release Days/yr: 0. 250. 

Per Site Release: 0.00 55.56 55.56 0.00 9.00E-03

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

Remarks: Fugitive releases less than 23 kg/site/yr. 1,000 kg/yr released to Landfill OR Incineration -

both less than 200 kg/site/yr.

 

EPA SANITIZED Page 7 of 8
INITIAL REVIEW EXPOSURE REPORT

Case Number: P040132 Assessor: Wormell

ENVIRONMENTAL RELEASES

Scenario#: 4 Number of Release Sites: 10. 

Release Activity:

Release Description: WATER LANDFILL INCINER LAND/INCIN FUGITIVE

Total Releases: 0.00 0.00 500.00 0.00 22.50

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

Release Days/yr: 0. 250. 

Per Site Release: 0.00 0.00 50.00 0.00 9.00E-03

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

Remarks: Fugitive releases less than 23 kg/site/yr. Incineration release less than 200 kg/site/yr.

 

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