HYDRO26467

• Permit No: C1980007
• IBM Index Class Name: Hydrology
• Doc Date: 11/1/2004
• Doc Name: Biomonitoring Report dated August 13, 2004
• From: SeaCrest Group
• To: Mountain Coal Company
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

The SeaCrest Group Dapfinid Acute Benchsheet Form #: 102a
Louisville, CO ~ /, Egffective: February 2002
Permittee: 1"\T ~L.E,p Q.. Site: lh , ~~ J..LLJ~St- Lab #: 3D `t i (~ t•
IWC %: \ ~ Template #: t Sample Date: G17_l 021 Dilution Water: J..1N
Age & Source: (~ ~ 22i3a- 1'l O 1 iJ~1 Test Started: O7"L2c"'LI 't3iS Test Ended: 1 L4 6'-i -- t U :'.U
Test Conditions: l~r. k~efi~Zd
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1. Exposure Chamber
Total Capacity: 30 ml Test Solution Volume: 15 ml
Test Solution Surface Area: cm` Water Depth (constant): cm
(cyclic): cm
2. Feeding Schedule
Not Fed:
Fed Irregularly:
(describe):
Fed Daily:
X Food Used: YCT, Algae
fed 1-2 hours before test
3. Aeration
None:
Before Use: ~_minutes @ -100 bubbleslmin)
4. Screened Animal Enclosures
Not Used: X Used: cm diameter
5. Condition/appearance of surviving organisms at end of test (i.e., alive but immobile, loss of
orientation, erratic movement, etc.): !-{1'~'.pnL. 25 °%t~ ~r71 u(~ , C~r~Cc-a-iSw/~
WQ^r2 tln.c -L. ~ / a. ~ J
6. Comments: