For this tube the reading has to be evaluated immediately after the last pump stroke. Therefore in connection with the 10 m and 15 m extension hoses only
semiquantitative determinations are possible.
Relative Standard Deviation: approx. 50 %.
2)
This tube requires desorption strokes in clean air immediately after sucking through the sampling air (refer to corresponding Instructions for Use of the Dräger-
Tube). Therefore in connection with the 10 m and 15 m extension hoses only semiquantitative determinations are possible.