HEALTH CONSULTATION
COEUR D'ALENE RIVER BASIN
PANHANDLE REGION OF IDAHO COMMON USE AREAS
Table 1. Early Action Levels (Quiring, 1999; Stifelman, 1999)
|
Chemical |
Early Action Levels (mg/kg)1 |
|
Antimony |
19,000 |
|
Arsenic |
600 |
|
cadmium |
5,700 |
|
Copper |
43,000 |
|
Lead |
2,000 |
|
Manganese |
10,000 |
|
Mercury, organic |
164 |
|
Mercury, inorganic |
40 |
|
Zinc |
57,000 |
1: Milligrams per kilogram (mg/kg)
Table 2. Coeur d'Alene Lake Soil and Sediment Lead and Arsenic Levels (EPA, 1998a)
|
CUA Name |
Maximum |
Minimum |
Mean |
|
Concentration Range of Lead in Soil1 |
|||
|
Harrison Beach |
98 |
9 |
38 |
|
Blackwell Island |
722 |
101 |
356 |
|
Concentration Range of Arsenic in Soil1 |
|||
|
Harrison Beach |
7 |
2 |
4 |
|
Loffs Bay |
107 |
67 |
86 |
|
Concentration Range of Lead in Sediment1 |
|||
|
Tubbs Hill |
224 |
16 |
50 |
|
Harrison Beach (north) |
12,100 |
21 |
1,200 |
|
Concentration Range of Arsenic in Sediment1 |
|||
|
Tubbs Hill |
14 |
2 |
5 |
|
Harrison Beach (north) |
158 |
2 |
20 |
1: Milligrams per kilogram (mg/kg)
Table 3. Coeur d'Alene River Soil and Sediment Lead and Arsenic Levels (Quiring, 1999)
|
CUA Name |
Maximum |
Minimum |
Mean |
|
Concentration Range of Lead in Soil1 |
|||
|
Killarney Lake Boat Launch |
271 |
15.3 |
73 |
|
Elk Creek Frontage Road/Country Road |
15,400 |
7,870 |
12,100 |
|
Concentration Range of Arsenic in Soil1 |
|||
|
Thompson Lake |
5.4 |
36.4 |
15.7 |
|
Silverton T-Ball/Wellman & HS Parking Lot |
1,060 |
14.3 |
130 |
|
Concentration Range of Lead in Sediment1 |
|||
|
Thompson Lake |
117 |
18.3 |
55.6 |
|
Bull Run Peak Beach |
29,200 |
2,830 |
9,560 |
|
Concentration Range of Arsenic in Sediment1 |
|||
|
Thompson Lake |
4 |
1.5 |
2.66 |
|
West of Rose Lake |
375 |
6.3 |
145 |
1: Milligrams per kilogram (mg/kg)
Table 4. Coeur d'Alene Lake Surface Water Levels of Lead and Arsenic (EPA, 1998a)
|
CUA Name |
Maximum |
Minimum |
Mean |
|
Concentration Range of Lead in Surface Water1 |
|||
|
Tubbs Hill (site 2) |
15.13 |
0.42 |
3.84 |
|
Blackwell Island |
917 |
107 |
417 |
|
Concentration Range of Arsenic in Surface Water1 |
|||
|
Tubbs Hill (site 1) |
1.2 |
0.3 |
0.626 |
|
Blackwell Island |
20.8 |
5.4 |
10.9 |
1: Micrograms per liter (Fg/L)
Table 5. Coeur d'Alene River Surface Water Levels of Lead and Arsenic (Quiring, 1999)
|
CUA Name |
Maximum |
Minimum |
Mean |
|
Concentration Range of Lead in Surface Water1 |
|||
|
Old Mission State Park Boat Launch |
2.9 |
2.9 |
2.9 |
|
RM 145 |
81,500 |
16,600 |
41,300 |
|
Concentration Range of Arsenic in Surface Water1 |
|||
|
Killarney Lake Boat Launch |
4.3 |
4.3 |
4.3 |
|
RM 145 |
600 |
130 |
285 |
1: Micrograms per liter (Fg/L)
Raymond Grissom
Toxicologist
ATSDR/DHAC/EICB
Reviewers of Report:
Susan Moore
Section Chief
ATSDR/DHAC/EICB
John E. Abraham, PhD
Branch Chief
ATSDR/DHAC/EICB