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Standard Insuued on: 1991-08 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | State Environmental Protection Administration | Issued Date: | 1991-08-31 |
Implemented Date: | 1992-6-1 | Abolished Date: | 2009-11-01 |
Superseded Standard.: | HJ 478-2009 Water quality-Determination of polycyclic aromatic hydrocarbons byliquid-liquid extraction and solid-phase etracton-High performance liquid chromatography |
Superseded Date: | 2009-11-1 |
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