Description
Requirements of construction and operation of instruments designed to measure the optical density of or percentage obscuration caused by smoke emitted from chimneys.
Cross References:
BS 89
BS 90
BS 2643
BS 2740
BS 2741
BS 2742
Addendum No. 1 to BS 2742:1969
Clean Air Act
Product Details
- Published:
- 12/31/1969
- ISBN(s):
- 0580059847
- Number of Pages:
- 18
- File Size:
- 1 file , 390 KB
- Product Code(s):
- 00115122, 00115122, 00115122