REV96858

• Permit No: M1997058
• IBM Index Class Name: Revision
• Doc Date: 3/20/2001
• Doc Name: APPLICATION FOR AMENDMENT TO MLRB 112 PN M-1997-058 HALL-IRWIN CORP BASELINE RESOURCE
• Type & Sequence: AM1
• Media Type: D
• Archive: No

Table 1 - i
Baseline Resource

Evaporative and Operational Losses -North Site (Year 1)
1) J (4) 5 6
Percent of Gross Average ENective Net Nef Water Surface
Monih Annual Evaporation Precipitation Precipitation Evaporation Evaporaton for
Evaporation 0.20 acres
(Inches) (ashes) Mches) pncnes) (acre-feet)
January 3.0% 0.00 0.48 0.34 0.00 0.00
February 3.5% 1.68 0.41 0.29 1.39 0.02
March 5.5% 2.63 1.26 0.88 1.75 0.03
April 9,0% 4.31 1.56 1.09 3.22 0.05
May 12.0% 5.74 2.56 1.79 3.95 0.07
June 14.5% 6.94 1.84 1.29 5.65 0.09
July 15.0% 7.18 1.55 1.09 6.10 0.10
August 13.5% 6.46 1.53 1.07 5.39 0.09
September 10.0% 4.79 1.01 0.71 4.08 0.07
October 7.0% 3.35 0.87 0.61 2.74 0.05
November 4.0% 1.91 0.93 0.65 1.26 0.02
December 3.G% 0.00 0.55 0.39 0.00 0.00
Total 100.0% 45.00 14.55 10,19 35.54 0.59
7 e ) n) )z)
Percent of Amount of Water Lost Total Lagging Lagged
Month Annual Aggregate Wifh Mined Evapaafive Foclors Total Evaporative
Aggregate Production Aggregate & Operational and Operational
~ Concrete Losses Losses
PfadUCNOn tons) (acre-feet) ocre-feet) ) (acre-fe9t
January 0.0% 0 0.00 0.00 7.4% 1.13
February O.G% 0 0.00 0.02 5.9% 0.91
March 5.5% 27.500 0.81 0.&1 5.G% 0.77
April 9.0% 45,000 1.32 1.37 5.2% 0.79
May 13.0% 65.000 1.91 1.98 6.0% 0.93
June 16.5% 82.500 2.43 2.52 7.5% 1.15
July 18.0% 90.000 2.65 2.75 9.3% 1.42
August 15.0% 75.000 2.21 2.30 10.9% 1.67
September I1.0% 55.000 1.62 1.69 11.6% 1.77
October 8.0% 40.000 1.18 1.23 11.4% 1.74
November 4.0% 20,000 0.59 0.61 10.6% 1.62
December O.G% 0 0.00 0.00 9.2% 1.40
Total 100.0% 500,000 14.71 15.J0 100.0% 15.30
Norm:
(1) From SB 120. me evaporaHOn percentoges ore for grovel plh wlm elevatlorts below 6,500 reef.
(Tj Equals Percent of Annual Evaporation times 45 inches. Plume zero evaporgHOn tluring months wpm ice coverage.
Totd dlsMbuted over 10 monms. The total evoporoHOn wca token from me NOM iechnlcol Report N WSJJ.
(J) Flom Coloratlo Store Unlver9ty'S Colaratlo Climate Center web page, ntlp //ccC.amros.cobstale.etlu tw Brighton Weamer StaHm.
(d) Equals Column (3) limes 70 percent. 70 percent value was token from SB 120.
(5) EquaLS Column {2) minus Column (a). if me iewltant v~ue isles mon zero men a zero Is wbsHtuted.
(b) EquaLS Column (5) divided by 12 times 0.20 acres. Surface ores (0.20 acres) based on appro*imate tllmenslon of tlewalering french,.
(7) Bored on inlormahon hom Hall-Irwin.
(B) Equab Column (1) times 500,E tons per year. Roductim b~etl on informoHOn hom Hull-Irvnn.
(9) EQUOLS Column (2) times 2000 limes d%divltletl by 62.4 divided by 43,560.
(10) Equph Column (b)plus Column (9).
(I1) From SEO Streom Deletion Motlel, (D--Jd.721eet. i~d5,lp0 gad/foot, 5 = 0.20)
(12) Equals rota of Column (10) limes Column (11)
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