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      <marc:subfield code="a">"This Technical Note presents the activities held by NRC staff, between May 23 and May 26, 2017, at Tata Steel Minerals Canada (TSMC) DSO3 site as part of the contractual agreement regarding "Amendment - Detection of toxicity and characterization of geochemistry/mineralogy and physical/chemical properties of sediments at Sedimentation Ponds 1 and 2 of DSO3 effluent""--Field work technical note, p. 4.</marc:subfield>
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