Document DDvKz9Qojjzva3pGZpgR6XnnB
AR226-2304
Based on RAGS (Superfund) guidance, Exhibit 6-11
Intake (mg/kg-day) =CWxlRxEFxEP BWxAT
! Parameter
Symbol
Chemical Concentration
' in water
CW
I (n'gestlon Rate
IR
I' Exposure Frequency EF
I Exposure Duration
ED
' Body Weight
BW
Averaging Time
AT
Units
nig/L ..liters/day idays/year years ,kg .days
Intake
' mg/kg-day .ug/kg-day
2 365
30 70 26550
2. 365-
70
70 25S50
Ci^ftH ')
Composite drinking water; 1.7 to 1.8 ug/L Use 1.8ug/l = 0.0018 mg/L
l?;!'Sit9-speGiflicnput
^Resulting Intake value
1 365
6 16 25S60
Based on RAGS (Superfund)guidance. Exhibit 6-17
Parameter Concentration In Fish Ingestlon Rate
Fraction Ingested from Contaminated Fish Exposure Frequancy Exposure Duration Body Weight Averaging Time
Intake (mg/kg-day) = CFx IR x gl x EF x ED BWxAT
Symbol CF IR
Units (ng/kg kg/day
FI
EF
days/year
ED
years
BW
kg
AT
Intake
OF BCF x where the BCF = 10 L/kg
Using low flow (conse
1 365
30 70 25550
1.59E-06 1.59E.03
1 365
70 70 25SSO
3.71 E-06. .gft.3,71E-03
1 365
6 16 25550
1.39E-06 1.39E.03
Based on RAGS (Superfund) guidance, Exhibit 6-17
Intake (mg/kg-day) =CFxlRxFlxEFxED
BWxAT
Parameter Concentration In Fish Ingestlon Rate
Fraction Ingested from Contaminated Fish Exposure Frequency Exposure Duration Body Weight Averaging Time
Symbol CF IR
Fl EF ED
BW AT
Units. mg/kg kg/day
Adult
days/year
years kg days
Intake
mg/kg-day
CF = BCF x ; where the BCF = 10 L/kg
F|>H '^LtfT CH
0.02
1 365
30 70 25550
6.12E-07
0.02
0.02
1 365
70 70 25550
1 365
6
16 25550
1.43E-OS 5.36E-07
^^%/^
Inhalation Intake, based on RAGS guidance, Exhibit 6-16
Calculation using max in study area
Intaka (mg/kg-day) = CAxIRxEFxED BWxAT
Parameter Chemical Concentration
In Air Inhalation Rate Exposure Frequency Exposure Duration
Body Weight Averaging Time
Symbol
CA |R EF ED BW AT
Units
mg/m? m3/day days/year years kg days
.
w
s
f
v
s
.
i
w
i
i
s
i
i
s
'
a
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t
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w
v
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i
w
i
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s
sf-uwiw
15:2
'
w
w
w
w
i
w
f
-
i
i
v
^wfHiswisssMiwi Kru'uut
15.2
f
a
w
"
en';:;'."
365 . 365
30 70 25550
70 70 25550
. ,..^..
365
6 16 25550
Intake
ms/kg-day ug/kg-day
2.81 E-01
MM fi9NMH!r
6.08E-I
1.SOE-01
Max GVC In the community =1.15 ug/m3 Max GVC In the study area = 2,6 ug/m3
ISite-specific input Resulting Intake value
-^?:;K^^^ -^S-^fS
Inhalation Intake, based on RAGS guidance, Exhibit 6-16
Calculation using max in community
Intake (mg/kg-dav) == CA x IR x EF x ED BWxAT
Parameter Chsmlcal Concentration
In Air Inhalation Rate Exposure Frequency Exposure Duration Body Weight Averaging Time
Symbol
CA IR EF ED BW AT
Units
mg/m3 m3/day days/year years kg days
15.2 385
30 70 255SO
15.2 365
70 70 25550
10 365
6
. 13 25550
Intake
mg/kg-day ug/kg-day
1.07E.01
2.5QE-01
6.16E-02
Max QVC in the community =.1.15. ug/m3 Max QVC In the study arsa = 2.3 ug/m3
JSite-specific input Resulting Intake value
Based on RAGS (Super-fund) guidance. Exhibit 6-14
Maximum deposition rate of 0.1909 g/m2/yr over 15 cm mixing depth
Parameter Chemical Concentration In
soil Ingestion Rate Conversion factor Fraction Ingested
Exposure Frequency Exposure Duration Body Weight Averaging Time
Intake (mg;1<g.day)=CSx:IRxCFxFI:<EPxED-'
BW^Af 't. ri",^
Symbol
Units
Adult (RME)
/ mult
Child
(IKetima) (lifetima)
C8
mg/kg
IR
,mg soil/day
100
100
200"
CF
kg/mg
1.00E.08 1.00E-06 1.00E-0& ^
Fl
unitless
1. 1 1
EF
days/year
ED
years
365
365.
365
30
70
6 ;
BW
kg
70
70
16
AT
days
25550
25550
25550
Intake
mg/kg-day ug/kg.-day
wiwa 5.20E-04 i.aiE-oa- 9^nE-04,
r^^ ^f i^C&1
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^^
Based on RAGS (Superfund) guidance, Exhibit 6-14
Maximum deposition rate in community of 0.008 g/m over 1 cm mixing depth
Intake (mg/kg-day) = CS x IR x CF x Fl x EF x ED BWxAT
Parameter Chemical Concentration In soil Ingestlon Rate Conversion factor Fraction Ingested
Exposure Frequency Exposure Duration Body Weight Averaging Time
Intake
Symbol
CS IR CF . PI
EF ED BW AT
Units
Adult (RME)
Adult
Child
(lifetime) (lifetime)
mg/kg mg soil/day kg/mg
unltless
days/year years kg days
100 1.00E-06
1
100
1.00E-06
1
.... ..^
1.00E.06
1
366 30 70
25550
365 70 70
25550
365 6
18 25560
mg/kg-day
ug/kg-day
.
3.24E-04 7.57E-04 5.68E-04
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