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nguyentranha: PFOS (1)
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nguyentranha: PFOS (2)
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nguyentranha: PFOS (3)
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nguyentranha: PFOS (4)
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nguyentranha: PFOS (5)
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nguyentranha: PFOS (6)
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nguyentranha: PFOS (7)
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nguyentranha: PFOS (8)
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nguyentranha: PFOS (9)
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nguyentranha: PFOS (10)
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nguyentranha: PFOS (11)
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nguyentranha: PFOS (12)
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nguyentranha: PFOS (13)
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nguyentranha: PFOS (14)
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nguyentranha: PFOS (15)
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nguyentranha: PFOS (16)