REP32503

• Permit No: C1981008
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: NEW HORIZON 1 AND 2 MINES WET TEST RESULTS
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

., ~ 1'-' .E. T. Inc.
Wafer & Environmental Testine Inc. 479 West 50 North. American Fork Ulah 84003 (80/1756.8397
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Acute Whole Effluent Toxicity Report
Fathead Minrww
DATE: March 13, 1996
PERMITTEE NAME: Western Fuels-Colorado (New Horizon Mine) NPDS NO:
TESL' (Anima!/Age): Fathead Mimow 13 days.
OUTFACE NO: 001
SAMPLE (DatelType): 3/07/96.
DATE/TIME TESL' BEGAN: 3/08(96 7:00 p.m. DATE(TIl1TE TESL COMPLETED: 3(12/96 7:00 p.m.
TEST CONDti'IONS
Fathead Mimow larvae were exposed to diluted eftluenl as specified by permit. Survival at the end of the
lest period was measured and stalisticallyevalualed for Acute Toxicity.
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;Anltnal.A~ge at.TesrStart 13 days.
Number o[ Organisms/Dilution Volume/Replicates 5 organisms/200 ml/4 replicates.
Fodd: Brine Shrimp.fed previoos io test and a1 48:hours:.::.::..:'.
Aeration Noue required.
:1)issolded: Oxygen :..:::.:: ..:::: : Measure: daily oldlnew: a:
Water Replacement Renewed every 24 hours.
...:::... .
Temperature '::.:::::::' .::: :::
20 ±1::degrees.:C:.:' .:.:: ::.....:.::.::::..:::: ;:,;!.:!:...:
Photo Period 16 hours ambient light/8 hours dazk.
'pH-i `'` : ` :::::.. :: ::.:.:. .. Meastired:.iuititillynnd ati.24 hours:':::..:; ..;.:,,..:.:;::..
Dilution Water Reconstituted lab water L15°/a hardness of the
Receiving Water).

lyirtg..Water ::. .. .:.: .::...:.:::...
Rece . .
:.::....:.:......::..... ;:-:
;..:....
Con Gan on (Sam le wis supplied.for cheaucal "
analysis.but noi,psed foi;diluUogwater):.':.:;>::.:::::I:;'.:i.

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Sam le Concentrations
P Control, 6.25%a, 12.5%, 25%a, 50%, 100%.
SUMMARY
Results: }C Pass Fail
There was NO significant effect on survival.
Enclosed are data sheets and statistical reports.
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C~J !~v \
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Water & Environmental Testing, lnc.
Enclosure
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