2011-04-05_HYDROLOGY - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/5/2011
• Doc Name: February 2011 SW Data- Pt. 1
• From: Cotter
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

wwwoergylab.eom
AasytfnfftsftnSm IM
Heiena,.M1877-472-0711 *Billings, IHf 800-135-4489 a Casper,WYSSO-235-8515
Iege, sir 866-666-7175 • Rapid City, SD 886-672-1225 • College. Station, TX 868-890-2218
LABORATORY ANALYTICAL REPORT
Prepared by Casper, WY Branch
Client: Cotter Corporation Report Date: 03/15/11
Project: Schwartz SW 02-10-11 S25580-S25582 Collection Date: 02/10/11 09:20
Lab ID: C11020376-002 DateReceived: 02/11 /11
Client Sample ID: SW ARH (S25581) Matrix: Aqueous

Analyses
Result
Units
Qualifiers RL MCL/
QCL Method
Analysis Date / By
MAJOR IONS
Alkalinity, Total as CaC03 116 mg/L 1 A2320 B 02/15/11 17:56 / jba
Bicarbonate as HC03 141 mg/L 1 A2320 B 02/15/11 17:56 / jba
Calcium 63.2 mg/L D 0.4 E200.7 02/28/11 22:30 / cp
Chloride 33 mg/L 3 E300.0 02/16/11 14:11 / Ijl
Fluoride 0.4 mg/L 0.1 A4500-F C 02/17/11 11:48 / jba
Magnesium 24.3 mg/L 0.1 E200.7 02/28/11 22:30 / cp
Nitrogen, Nitrate+Nitrite as N 0.1 mg/L 0.1 E353.2 02/17/11 11:47 / eli-b
Phosphate, Total ND mg/L 0.01 Calculation 03/09/11 08:59 / bal
Phosphorus, Total as P ND mg/L 0.01 E365.1 02/17/11 13:23 / eli-b
Potassium 2.8 mg/L 0.1 E200.7 02/28/11 22:30 / cp
Sodium 28.8 mg/L D 0.6 E200.7 02/28/11 22:30 / cp
Sulfate 154 mg/L 5 E300.0 02/16/11 14:11 / Ijl
NON-METALS
Cyanide, Weak Acid Dissociable ND mg/L 0.002 D2036 02/16/11 09:18 / eli-b
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 414 mg/L 10 A2540 C 02/15/11 08:13 / Imc
Solids, Total Suspended TSS @ 105 C ND mg/L 4 A2540 D 02/15/11 09:13 / Imc
METALS - DISSOLVED
Aluminum ND mg/L 0.2 E200.8 02/17/11 02:09 / sml
Antimony ND mg/L 0.001 E200.8 02/15/11 22:23 / sml
Copper ND mg/L 0.001 E200.8 02/15/11 22:23 / sml
Iron ND mg/L 0.03 E200.7 02/28/11 22:30 / cp
Manganese 0.009 mg/L 0.005 E200.8 02/17/11 02:09 / sml
Molybdenum 0.017 mg/L 0.005 E200.8 02/15/11 22:23 / sml
Silver ND mg/L L 0.00008 E200.8 02/17/11 02:09 / smi
Thallium ND mg/L 0.0002 E200.8 02/15/11 22:23 / sml
Uranium 0.441 mg/L 0.0002 E200.8 02/17/11 02:09 / sml
Zinc 0.023 mg/L 0.005 E200.8 02/17/11 02:09 / sml
METALS - TOTAL
Aluminum ND mg/L 0.2 E200.8 02/24/11 19:32 / sml
Antimony ND mg/L 0.001 E200.8 02/24/11 19:32 / sml
Arsenic 0.002 mg/L 0.001 E200.8 02/24/11 19:32 / sml
Boron ND mg/L 0.1 E200.7 02/25/11 16:37 / cp
Chromium 0.005 mg/L B 0.001 E200.8 02/24/11 19:32 / sml
Copper 0.002 mg/L 0.001 E200.8 02/24/11 19:32 / sml
Iron ND mg/L 0.03 E200.7 02/25/11 16:37 / cp
Lead ND mg/L 0.005 E200.8 02/24/11 19:32 / sml
Manganese 0.010 mg/L 0.005 E200.8 02/24/11 19:32 / sml
Report RL - Analyte reporting limit. MCL - Maximum contaminant level.
Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit .
B - The analyte was detected in the method blank. D - RL increased due to sample matrix .
L - Lowest available reporting limit for the analytical m ethod
used.
Page 4 of 29