| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 1223-2021 | English | 629 |
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Days<=5
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Ambient air Emergency determination of volatile organic compounds - Portable gas chromatography-mass spectrometry
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HJ 1223-2021
| Valid |
HJ 1223-2021
|