2018-05-08_HYDROLOGY - M1977300

• Permit No: M1977300
• IBM Index Class Name: Hydrology
• Doc Date: 5/8/2018
• Doc Name Note: Water Quality Data and Mine Pool Level Measurements for March 2018
• Doc Name: Water Quality Data and Mine Pool Level Measurements for March 2018
• From: Colorado Legacy Land
• To: DRMS
• Email Name: MAC
• Media Type: D
• Archive: No

fsa[re Mill
Client:
Analyte:
Prep Date:
Analysis Date:
Approved Method Source:
Prep ID:
Analytical Melhod 1D:
Instrument:
Matrix:
Sample volume used:
Analyst:
Analytical Report
Alexco Inc.
Potassium, K — pis
03f10/2018
03/27/2018
40 CFR 136.3
Std. Methods 3030 E.
Std. Methods 3111 B.
iCE 3500, FLAA
Aqueous (water, wastewater, groundwater)
50 mL Dilution Factor: 4
SE
16
Location ID
Smn Date
SCG 4 Results Flaes MDL RL Units
MW -15
03116/18
418229.A 5,744 J 40 240 µg/L
RL
Units
MW -15
Client:
Alexco Inc.
128,679
Analyte:
Sodium, Na
— Dis
Prep Date:
03/20%1018
Analysis Date:
0312712018
Approved Method Source:
40 CFR 136.3
Prep ID:
Std. Methods 3030 E.
Analytical Method ID:
Std. Methods 3111 B.
Instrument:
iCE 3500, FLAA
Matrix:
Aqueous (water, wastewater, groundwa(er)
Sample volume used:
50 mL Dilution Factor: 100
Analyst:
SE
Location ID
Smn Date
SCC N
Results
Floes
MDL
RL
Units
MW -15
03/16118
418229.A
128,679
J
250
1,250
pglL
Qualfters.
E — Extrapolated value. Value exceeds calibration range
11— Analysis exceeded holding time
J — Estimated value detected below the R11MRL
S — Spike recovery outside acccptanec limits
U — Analyte not detected
X — See case narrative Confidential and Privileged 1 I -Apr- 18