Description
Sets out a method for the collection by directional dust gauge and measuring by obscuration, of particulate matter in ambient air which impinges on vertical surfaces. Provision is made to distinguish variation of dirtiness with wind direction.
Product Details
- Edition:
- 1st
- Published:
- 01/01/1987
- ISBN(s):
- 0726245747
- Number of Pages:
- 7
- File Size:
- 1 file , 73 KB
- Product Code(s):
- 10169873, 10169841, 10169855
