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