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The document reports on a biodegradation test of a mixture containing perfluorooctanesulfonate (PFOS) conducted by 3M Company, indicating that the chemical oxygen demand (COD) and biochemical oxygen demand (BOD) values were measured, but the study lacks proper characterization of the sample purity and fluorochemical proportion.
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1991 |
AR226-0819
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ym24ze9gjnj6KeQpEoE5a7XR2 |
4 |