HYDRO21760

• Permit No: M2004009
• IBM Index Class Name: Hydrology
• Doc Date: 8/8/2006
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Weiland Inc.
• Permit Index Doc Type: Correspondence
• Media Type: D
• Archive: No

Table AI.2. Mined and Dust Control Loss Worksheet (1 of 1)
Annual Gravel Extraction 371,000 tons
(1) (2) (3) (4) (5)
Monthly Volume of
Monthly Monthly Volume of Water Used
Fraction of Gravel Water for Dust
Annual Extraction EMracted Control
Month Extraction [tons] [acre-feet] [acre-feet) Total
Jan 0.03 12,366.67 0.36 0.10 0.46
Feb 0.03 12,366.67 0.36 0.10 0.46
Mar 0.08 30,916.67 0.91 0.10 1.01
April 0.08 30,916.67 0.91 0.10 1.01
May 0.08 30,916.67 0.91 O.tO 1.01
June 0.13 49,466.67 1.46 0.10 1.56
July 0.13 49,466.67 1.46 0.10 1.56
Aug 0.13 49,466.67 1.46 0.10 1.56
Sept 0.08 30,916.67 0.91 0.10 1.01
Oct 0.08 30,916.67 0.91 0.10 1.01
Nov 0.08 30,916.67 0.91 0.10 1.01
Dec 0.03 12,366.67 0.36 0.10 0.46
1.00 371,000.00 10.92 1.20 12.12
Notes:
(1) =Monthly fraction of extraction
(2) =Column (1) xAnnual Gravel Extraction (tons)
(3) =Column (2) x (2000 Ibs/ton) x (0.04) x (1/62.4 ft'/Ibs) x (1/43,560 acre-ft/ft3)
(4) =Monthly distribution of groundwater to be used for dust control
(5) =Totals