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Dames & Moore, 1999 - USDA Forest Service

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TABLE 7.1-4<br />

TOXICITY CRITERIA AND BIOCONCENTRATION FACTORS USED FOR CALCULATION OF METHOD B LEVELS<br />

HOLDEN MINE<br />

BASELINE RISK ASSESSMENT<br />

Inhalation<br />

Inhalation Cancer<br />

Bioconcentration<br />

Oral Reference<br />

Reference Dose<br />

Potency Factor (per<br />

Parameter<br />

Factor (unitless) Source Dose (rnglkgday) Source<br />

(mgkgday) Source<br />

mglkgday)<br />

Source<br />

......................... .-<br />

..-............ ......... ..-..... - ......... ..... - ......... . - . .. .............. --gg&@-.<br />

......... . , .......................<br />

.<br />

.................................<br />

A- ......................<br />

Aluminum<br />

..............<br />

231<br />

NCEA Suppwt Value<br />

ORNL<br />

. ! ........<br />

ARenic<br />

50 c-c<br />

.. _. ........ ... ... . .... ... -.I--. _ _ .. _ ........... _<br />

" (19961 ...........<br />

Batium -. ............... loo' ..............................<br />

conservative estimate 0:OT ... - 0.OWl CLARC 1 (1986) ........<br />

. ClARC11(]996? ..... . . ............ .- ..<br />

Beryllium 8.40 CLARC I1 (1896)<br />

............. ............... _- _ . .. . ^ .............-..-.. --<br />

Cadmium . .. . _ .... ...................................<br />

__ ........ . __ 6.1 CLARC 1 (1998)<br />

_. . .... -._ ......... -<br />

Chmium Vl 41.00<br />

........ ....... . _. .. - . -- . - . c-c l1 (I9? . . . . .-<br />

Manganese 100- Conservative estimate<br />

... .......... . .. __ 0.047~ .... CLARC 11 (1996) .-. 0.0000143 CLARC __-_- 11 (1986) . .-..-- ....................-.... ...........<br />

Mercury, inorganic 5500 SPHEM __<br />

0.0000857 CLARC 1 (1996)<br />

.......... .. . . .. . _ . ...... .... .<br />

Molybdenum ....................... _ loo'<br />

?%. . _. . $-!!! !?996! - .- -. - -- -<br />

N'Ee! . _ .-................ _-<br />

Selenium . - ..................<br />

... . . ?:005.. ...<br />

-<br />

Uranium<br />

. . ?.a'? .<br />

e7.<br />

. . . . . . . . . .<br />

............<br />

.. 9.000'. .<br />

Aroda ........ 1254 -<br />

...... O.OWO2.. ...<br />

. ___. ...<br />

......................<br />

16 ......................<br />

Conservative estimate<br />

. . . ..... ..........-.. ............. .. .... . .......<br />

CLARC 1 (1898) -Nickel ~efinefy Dust<br />

...................... --_ ...... -. ......... - .. - .- .......... - ............-.. ..0P . - -....-....- - .... --<br />

.. - . SPHEM. ..-....<br />

CLAA': !!.(1.9?! ..... - ... - -_ .............................................<br />

100.<br />

. . . . . . . . . cm~~Native es~mate<br />

. . . . .<br />

c-C.!1!1.?g6) -. .................................<br />

..... - . . . . . .<br />

.................................................. .. ....... ... ......-..... . . . . . . . . . . . . . . . . . .<br />

. . - .......<br />

- .................<br />

.........................<br />

. . . . . . . . . . . . .<br />

. -<br />

!?!' ... -. ORN!- ..-<br />

E!~.!! (!M! .... - ........... .......................<br />

...<br />

........................... 51286 ORNL - . ._<br />

IS.. ..<br />

...... . -. . .. ...... .- ...... ........ . .<br />

- .. .<br />

..... ............................<br />

Diesel Range Hydnxarbons<br />

. -. .. ...........<br />

- ....................<br />

.............-..-...<br />

-. .... -. .........<br />

. -<br />

0.001428 CIARC 1 (1kj --'<br />

.<br />

..... -..-<br />

. - - . .<br />

.<br />

. .<br />

Noles:<br />

ORNL =Oak Ridge National Laboratory. ESIEMM-WR. 1996..<br />

SPHEM = Supedund Public Heallh Evaluation Manual. EPA 54011-861060. 1986<br />

NCEA = USEPA NCEA support value.<br />

IRIS = Integrated Risk Inlormation System<br />

'A wry conservative defaull BCF of 100 was assumed<br />

'RID adjusted downward by a fador of 3 to aocaunt for nondietary exposure as discussed in CLARCII<br />

H:Uiolden\DraM~nal nrpt\S-AHhra\Tables\7-1-(abl.ds (Table 7 14)<br />

7/20/99<br />

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