HYDRO20495

• Permit No: C1980007
• IBM Index Class Name: Hydrology
• Doc Date: 8/2/2004
• Doc Name: BioMonitoring Tests Report ‎(June 16, 2004)‎
• From: Mountain Coal Company, LLC
• To: WQCD
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

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The SeaCrest Group Daphnid Acute Benchsheet Form #: 102a ~
Louisville, CO (~.q ~} t~ `, ?Effective: February 2002
Permittee: t' 1'~. t 't'~(}"` Site: ~. t,,` }•~ ~\(1~ Lab #: 30 ' J3
IWC °~: ~!".,y~-_` Template #: j Sample Dale: Gul bSZ-7 ~ Dilution Water. M
Age 8 Source: (7 U oS "LQ~ - t („ I (M~ 7est Started: f,'~('~J L ~ - ~'-{~{5 Test Ended: 6y 0~~~ ~~ - I q y r~
Test Conditions:
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alkalini m /1 1890 V3
•~-pnma'v• u`vl lta~dntss chlorine m I <p,o1 ~-
~+t~ r{ut -~S c)i(u}1~C~~ '1' ammonia 1st m /I (• 38 '-^
ammonia 2nd m /1 i • S
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 Daily:
Fed Irregularly: X Food Used: YCT, Algae
(describe): fed 1-2 hours before test
3. Aeration
None:
Before Use: ~_minutes @ -100 bubbles/min)
4. Screened Animal EnGosures
Not Used: X Used; cm diameter
5. Condition/appearance of surviving organisms at end of test (i.e., alive but immobile, Toss of
orientation, erratic movement, etc.): p,.,L sFi. GlxnNa ~,, S~„C,r•o_ - Ai_ui,> Aria So,v„- rw:v>.t~
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