| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 739-2015 | English | 319 |
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Days<=3
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Ambient air. Determination of nitroaromatics. Gas chromatography mass spectrometry
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HJ 739-2015
| Valid |
HJ 739-2015
|