|
|
| Air quality-Determination of the concentration of airborne particulate matters
|
| GB 6921-86¡¡¡¡Putting into effect as of Mar. 1, 1987¡¡¡¡¡¡¡¡¡¡¡¡
|
| Abstract: |
| The standard was formulated for the purpose of implementing Ambient air quality standard (GB3095-82). It introduces gravimetric method for the determination of the concentration of airborne particulate matters. |
|
|
