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TOEROEK <br /> ASSOCIATES,INC. <br /> SOP APPROVAL FORM <br /> ENVIRONMENTAL <br /> STANDARD OPERATING PROCEDURE <br /> SOIL AND GAS SAMPLING <br /> SOP NO. 021 <br /> REVISION NO. 1 <br /> JULY 11 2022 <br /> �7 July 1, 2022 <br /> Quality Assurance Officer Date <br /> July 1, 2022 <br /> Pre si ent Date <br />