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     174  0 Kommentare Focus Graphite Completes 2022 Exploration and Resource Definition Drilling Program at its Lac Tétépisca Project, Québec Ahead of Schedule and Under Budget - Seite 2

    Service providers, field and laboratory methods, and QA/QC protocols

    The 2022 core drilling program at the Lac Tétépisca project was designed and operated by IOS Services Géoscientifiques Inc. ("IOS") of Saguenay, Québec, under the supervision of Table Jamésienne de Concertation Minière ("TJCM") of Chibougamau, Québec, acting as an independent technical adviser to the Company. Drilling was performed by Forage G4 of Val-d'Or, Québec using a single drill rig.

    Starting in March 2022, drill core boxes for each hole were packaged by sequential numbers onto pallets in the field by IOS personnel and then shipped by truck every 2 weeks to IOS's facilities in Saguenay where they were archived. Sampling has been conducted with a diamond saw, with NQ-diameter core from the Southwest MOGC and West Limb targets being halved, while all HQ-diameter core from the MOGC deposit was quartered. Sample preparation work consisting of crushing and grinding began last September and is expected to be completed by next January. Pulverized splits are sent to COREM, an ISO/IEC 17025:2005 certified facility located in Québec City, for graphitic carbon (code LSA-M-B10) and total sulphur (code LSA-M-B41) analysis using LECO induction furnace with infrared spectrometry. Pulverized split samples of dolomitic marble are sent to COREM for main oxide analysis by X-ray fluorescence analysis on borate glasses (Code: LSA-M-A32) with 10% of samples analyzed for 25 trace element analysis using ICP-OES and ICP-MS after an aqua-regia digestion (Code LSA-OEP and LSA-MSP).

    The analytical quality control program for the Lac Tétépisca project is designed and implemented by an IOS chemist and is identical to the one used for previous drill programs at Lac Tétépisca or at the Company's Lac Knife project. Under the QA/QC program, about 10% of the core samples will also be analyzed by COREM for total carbon (code LSA-M-B45), organic carbon (code LSA-M-B58) and inorganic carbon (code LSA-M-B11). The same 10% of the samples are duplicated and sent to ACTLABS Laboratories of Ancaster, Ontario (ISO/IEC 17025:2005 with CAN-P-1579) for graphitic carbon (code 5D - C Graphitic) and total sulphur (code 4F - S Combustion infrared detection) determinations and for 35 trace element analysis using ICP-MS after an aqua-regia digestion (code 1E2 - Aqua Regia). About 15% of reference materials are inserted in the sample sequences, either certified or internal reference material samples (CDN-GR1, CMRI12, Oreas-724, GLC-004, NSC-DC-60119, NSC-DC-60120, NSC-DC-60121), duplicates (quarter-split core, crushing or grinding duplicates), and preparation blanks.

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    Focus Graphite Completes 2022 Exploration and Resource Definition Drilling Program at its Lac Tétépisca Project, Québec Ahead of Schedule and Under Budget - Seite 2 The Company has completed 14,900.5 metres of core drilling from 74 holes, including 6,640.2 metres of definition drilling from 27 deep holes on its Manicouagan Ouest Graphitic Corridor ("MOGC") deposit.KINGSTON, ON / ACCESSWIRE / November 30, 2022 / …