2022-02-09_PERMIT FILE - M2021046 ‎(5)‎

• Permit No: M2021046
• IBM Index Class Name: Permit File
• Doc Date: 2/9/2022
• Doc Name Note: Appendix B Gem Services Report
• Doc Name: Adequacy Review Response
• From: Zephyr Gold USA Ltd
• To: DRMS
• Email Name: TC1
• Email Name: MAC
• Media Type: D
• Archive: No

CERTIFICATE OF ANALYSIS•MEND-SHAKE FLASK EXTRACTION RESULTS
PAGE:5 of 6
G1146bal GLOBAL PROJECT NO:2102
ARD Testing Services Inc. CLIENT:Zephyr Minerals Ltd
PROJECTNAME:Dawson Gold Project
PROJECTNO:N/A
REPORT VERSION:2
1 11R 11D 12 13 14 5
Parameter Method Unit RDL Sample ID Method Blank
GC-18 GC-18(Rep) GC-18(Dup) GC-21 GC-29B DA-9005 DA-9007
JL
Weight of drys m le used Wei hin Scale 0.01 250 N/A 250 250 250 250 250 NIA
Volume of DI water used Graduated Cylinder mL 0.50 750 N/A 750 750 750 750 750 750
On fiftered samples(using 0.45 pm filterpaper).
H Meter pH units 10.01 8.5 8.5 8.4 8.5 8.6 8.6 15.87
EC Meter PS/cm 1.0 50 53 662 55 56 49 0.85
Acidity to pH 8.3 Titration mg CaCO3/L 0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
Alkalini to H 4.5 Titration mg CaCO3/L 0.5 16.0 16.0 16.5 17.3 16.0 14.5 5.0
Sul hate Colourimet m/L 0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
DlssoNetl Meials Anal sis b ICP-MS:
Dissolved Hardness CaCO3 ICP-MS m/L 0.5 14.6 15.9 21.2 15.0 15.8 14.1 <0.5
Aluminum Dissolved ICP-MS m/L 0.001 0.41 0.378 0.385 0.237 0.239 0.543 0.277 <0.001
Antimony Dissolved ICP-MS m/L 0.0001 0.0003 0.0003 10.0002 0.0002 0.0003 10.0004 0.0005 <0.0001
Arsenic Dissolved ICP-MS m/L 0.0002 0.0016 0.0015 0.001 0.0009 0.0008 0.0017 0.0015 <0.0002
Banum Dissolved ICP-MS m/L 0.0002 0.0028 0.0025 0.0028 0.0057 0.0042 0.0033 0.0843 <0.0002
Be Ilium Dissolved ICP-MS m/L 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Bismuth Dissolved ICP-MS m/L 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Boron Dissolved ICP-MS m/L 0.01 0.01 0.01 0.01 0.03 0.01 0.03 0.03 <0.01
Cadmium Dissolved ICP-MS m/L 0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001
Calcium Dissolved ICP-MS m/L 0.05 5.1 5.07 5.5 7.3 4.6 5.6 5.2 <0.05
Chromium Dissolved ICP-MS m/L 0.001 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005
Cobalt Dissolved ICP-MS m/L 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Co er solved ICP-MS m/L 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.001 0.0007 <0.0005
Iron DissDisolved ICP-MS m/L 0.01 0.01 0.01 0.01 0.02 0.01 0.02 0.04 <0.01
Lead Dissolved ICP-MS m/L 0.0005 0.0007 0.0007 0.0007 0.0028 <0.0005 0.0057 0.0017 <0.0005
Lithium Dissolved ICP-MS m/L 0.001 0.0011 0.0014 0.0013 0.0008 0.0042 0.0007 <0.0005 <0.0005
Man m Dissolved ICP-MS m/L 0.005 0.470 0.47 0.5 0.7 0.8 0.4 0.3 <0.005
Man a se Dissolved ICP-MS m/L 0.0002 0.002 0.0019 0.0021 0.0039 0.0021 0.0021 0.0037 <0.0002
Mercury Dissolved ICP-MS m/L 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005
Mol bdenum Dissolved ICP-MS m/L 0.0001 0.0011 0.0011 0.001 0.0006 0.0463 0.0028 0.0019 <0.0001
Nickel Dissolved ICP-MS m/L 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005
Phosphorus Dissolved ICP-MS m/L 0.05 0.08 0.07 0.06 0.07 0.08 <0.05 0.05 <0.05
Potassium Dissolved ICP-MS m/L 0.05 2.09 2.11 2.18 1.11 1.99 0.9 1.79 <0.05
Selenium Dissolved ICP-MS m/L 0.0005 <0.0005 0.0006 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005
Silicon Dissolved ICP-MS m/L 0.05 1.55 1.53 1.52 1.28 1.19 1.89 1.08 <0.05
Silver Dissolved ICP-MS m/L 0.00008 <0.00008 <0.00008 <0.00008 <0.00008 <0.00008 <0.00008 <0.00008 <0.00008
Sodium Dissolved ICP-MS m/L 0.02 1.15 1.17 1.29 1.25 2.03 2.88 1.33 <0.02
Strontium Dissolved ICP-MS m/L 0.0002 0.0303 0.0296 0.035 0.0424 0.128 0.0443 0.0609 <0.0002
Sul hur Dissolved ICP-MS m/L 0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.6 <0.5
Tellurium Dissolved ICP-MS m/L 0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Thallium Dissolved ICP-MS m/L 0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005
Thorium Dissolved ICP-MS m/L 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
Tin Dissolved ICP-MS m/L 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005
Titanium Dissolved ICP-MS m/L 0.0005 0.001 0.0006 0.0011 0.0006 <0.0005 0.0008 0.0016 <0.0005
Tun sten Dissolved ICP-MS m/L 0.0001 0.001 0.001 0.001 0.0003 0.0011 0.0004 0.0006 <0.0001
Uranium Dissolved ICP-MS m/L 0.00005 0.00068 0.0007 0.00062 0.00075 0.00025 0.00692 0.00156 <0.00005
Vanadium Dissolved ICP-MS m/L 0.001 0.002 0.002 0.002 0.002 <0.001 0.001 <0.001 <0.001
Zinc Dissolved ICP-MS m/L 0.001 <0.001 <0.001 <0.001 <0.001 0.002 <0.001 <0.001 <0.001
Zirconium Dissolved ICP-MS m/L 0.0001 0.0001 0.0001 0.0002 <0.0001 <0.0001 0.0003 0.0001 <0.0001
Ion Balance:
Major Anions Calc. me/L 0.32 0.32 0.32 0.33 0.35 0.32 0.29
Major Cations Calc. meq/L 0.44 0.44 0.47 0.53 0.47 0.53 0.42
Difference Calc. me/L 0.12 0.12 0.15 0.20 0.12 0.21 0.13
Balance JCalc. % 16.0% 15.7% 19.4% 123.6% 114.9% 124.3% 18.2%
Shake Flask Extract ID: 2559991 2569991 2570095 12570096 12570097 12570098 2570099 2570100
NOTES:
Job No:21V757417
Date of Analysis(24h):June 3/4,2021
PH of DI water used(pH Units):5.51
EC of DI water used(VS/cm):0.76
ABBREVIATIONS:
R/Rep=Replicate(which invdves the analysis of the same Shake Flask Extract aliquot).
D/Dup=Duplicate(which invdves the analysis of a separate SF extract,produced by processing a secopnd split of the original client sample received).
Calc.-Calculation
EC=Electrical Conductivity
IC=Ion Chromatography
N/A=Not Applicable.
mg/L=Milligrams per Litre
REFERENCE.
Prediction Manual for Drainage Chemistry from Sulphidic Geologic Material,MEND Report 1.20.1;Version 0-Dec.2009.Section 11.5;P 11(8-9).
Extraction Method used:Using gyratory shaker for 24 h(t 2 h;gentle agitation).
Liquid:Solid ratio used:3:1;L S;750 mL DI H2O:250 g of sieved<1/4 inch(<6.35 mm)of homogenized crushed material.