CCRMP PCMRC Canadian Certified Reference Materials Project Projal canadien de molerloux de reference certifies

CANMET Mining and Mineral Sciences Laboratories Loborotoires des mines et sciences minerales de CANMEr 555 Booth Street, Ottowa, K1A OG 1 555, rue Booih, Ottowa, Canada K1 A OG1

Tel [613J 995-4738, Fax (613) 943-0573 Tel . (613) 995-4738, Telec • (613) 943-0573 E-mail: [email protected] Courriel . [email protected] www.ccrmp.Co www.ccrmp.co

Certified Ore Concentrate CUP-2

Certified Value providing five replicate results on up to 17 analytes. Uranium was reported on a dry basis; U I mass % 75.42 all others were determined on an "as received" 95% Confidence limits basis. Low 75.25 Recommended Values For Impurity Con­ 75.59 High stituents Description Moisture 2.94 B 0.0051* CUP-2 is a uranium ore concentrate reference 3 0.80 Fe 0.311 material produced as joint effort between 31 0.17* Ni 0.0029 CCRMP and the Analytical Subcommittee of 1i 0.019 Na 0.459 the Canadian Uranium Producers Metallurgi­ ca 0.62 Mo 0.069 cal Committee. V 0.066* Mg 0.229 As 0.035 K 0.11* The material was received from the Blind Zr 0.044* P 0.030* River refinery of Ltd. in the summer of 1986. It was blended, checked * provisionally recommerx:led for homogeneity by X-ray fluorescence Legal Notice analysis, bottled in 25-g units and distributed for analysis. The Canadian Certified Reference Materials Project (CCRMP) has prepared this reference Certification Project material and evaluated the analytical data of CUP-2 was characterized by an interlaboratory the interlaboratory certification program to the analysis program. Eight member laboratories of the Analytical Subcommittee, six commer­ ciallaboratories, and three additional volunteer laboratories participated in the project by

Natural Resources Ressources naturelles ... Canada Canada Canada best of its ability. The Purchaser, by receipt Coordinator, CCRMP hereof, releases and indemnifies CCRMP from CANMET, (EMR) and against all liability and costs arising out of the use of this material and information. 555 Booth Street Ottawa, KlAOG1 Canada Reference Telephone: (613)995-4738 The preparation and certification procedures Telefax: (613)996-9673 used for CUP-2 are described in CANMET Telex: 053-3395 Report CCRMP 88-3E, IlCUP-2: A Certified Pour obteniT La version franfaise du present ll Uranium Ore Concentrate , which is available certifieat d'analyse, priere de s'adresser au at no charge on request to: Coordonnateur du PCMRC