CDN Resource Laboratories Ltd.

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Tungsten Standards

Standard	W  %	Cu  %	Mo  %	Au g/t	Bi  %	Inventory
CDN-W-1	1.04	0.458	-	-	-	164 kg
CDN-W-2	2.78	0.45	-	-	0.32	180 kg
CDN-W-3	1.73	0.44	-	-	-	170 kg
CDN-W-4	0.366	0.139	0.110	0.319 **	-	654 kg
CDN-W-5	0.391	-	-	-	-	650 kg

** Note:  CDN-W4:  Au value is "provisional" only  (RSD =  6.4%)

Important Note:

Standards with an RSD of near or less than 5 % are certified, RSD’s of between 5 % and 15 % are Provisional, and RSD’s over 15 % are Indicated. Provisional and Indicated values cannot be used to monitor accuracy with a high degree of certainty.

Custom Standards:   prepared for a specific ore supplied by a customer.

• Gold Standards
• Platinum Group Metal Standards
• Copper - Gold Standards
• Molybdenum Standards
• Multi-element Standards
• Nickel Multi-element Standards
• Tungsten Standards

• Gold Standards
• Platinum Group Metal Standards
• Copper - Gold Standards
• Molybdenum Standards
• Multi-element Standards
• Nickel Multi-element Standards
• Tungsten Standards