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| Chinese National Standard List: Physical Standard Substance |
| Title | Standard No. | Implemented On |
| Aemospheric air-Test dust standand sample-Simulated atmospheric dust | GB 13270-1991 | 1992-8-1 |
| Atmospheric Air-Test Dust Standard Sample-Loess dust | GB/T 13268-1991 | 1992-8-1 |
| Atmospheric Air-Test Dust Standard Sample-Fly Ash | GB/T 13269-1991 | 1992-8-1 |
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