HYDRO25120

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 6/25/2001
• Doc Name: REGION VIII GUIDANCE FOR ACUTE WHOLE EFFLUENT REPORTING
• Permit Index Doc Type: OTHER SURFACE WATER
• Media Type: D
• Archive: No

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999
,n VIII Guidance for Acute Whole Effluent Reporting
ER ,NAME: Western Fuels Co. S[TE ID: New Horizon Mine OUTFACE NO: 007
~RTALITY TEST: X Pass _ Fail LC50: >100%.
,6T (Anima!/Age): Fathead Minnow, 8 days. SAMPLE (Date/7)pe): 6/19/01 Grab.
DATE/I'1ME TEST BECAN: 6120/01 12:00 p.m. DATElI'1111E TEST COMPLETED: 6/24/01 2:00 p.m.
Survival Totals
llilutions (% EfnuenQ
Recon Receiving 6.25% 12.5% 25% 50% 100%
Water Water
Initial 20 na 20 20 20 20 20
24 hrs 20 na 20 20 20 20 20
48 hrs 20 na 20 20 20 20 20
72 hrs 20 na 20 20 20 20 20
a~ ti~° ~n .,, ~n ~n ~n ~n ~n
Max/Min Values
Dilutions (% Effluent)
Recon Receiving o 0 0 0 0
Water N'a[er 6.25 /0 12.5 /° 25 /0 50 /° 100 /o
Dissolved Oxygen 8.7/7.5 na 8.7/7.6 8.4/7.5 8.9/7.6 9.1/7.6 9.5/7.5
•ro,.,.....~r...e r°r~ ~ ~ nnn n ..~ ~n ann n ~n unn n ~n vnn n ~n urn n ~n cnn n
Receiving Water used for Dilution? (Y of N) N
Hardness, mglL CaCO3: Receiving Water na Recon Water 192 ECRuent 292
Initial Total Residual Chlorine, mg/L C12 100% Effluent: <0_OS
Reconstituted pH: Initial 8.01 ARer 24 hours 7.95
Receiving Water pH: Initial na ARer 24 hours na
pH in 100% Effluent: Initial 8.15 ARer 24 hours 8_08
Ammonia as N, mglL: 100% Effluent <0.05 Receiving Water na Recon <0_OS
Conductivity, umhos/cm: 100% Efnuent 527 Receiving Water na
Alkalinity, mg/L CaCO3: 100% Etiluent 160 Receiving 1Vater na
Analyst:
Signature:
GLL~/
ry: Water & Environmental Testin¢. Inc.
Date: ~/~~