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<br />Originating Department: QUARRY Classification: <br />Work Instruction/SOP <br />E Q H&S <br />Y Y Y <br />Date Issued: 8/1/22 Revision Date: 03/8/2023 Control Number: PD. HAC Number: <br />Prepared By: Jeffrey Hauser <br />Title: Quarry Supervisor <br />Approved By: Oscar Mancera <br />Title: Quarry Manager Page 4 <br />Distribution: H:Quarry:Safety:Procedures_SOP <br />Subject: Drill And Blasting SOP <br /> <br /> <br />● Once the stemming is removed the product can be flushed with water pressure to the point the <br />primers can be safely removed <br />● Care must be taken not to pull to hard on primer down lines <br />● Recovered caps or boosters must be returned to magazines in an approved vehicle or used on site in <br />a safe manner <br />● When mucking operations commence on materials from unfired holes, special precautions should be <br />taken during mucking. A blaster will be present until all material associated with unfired holes has <br />been removed. <br />● All unfired detonators and other explosive products will be inspected for safety and returned to the <br />magazine in an approved vehicle. <br /> <br /> <br /> <br /> <br /> <br />