checking specific chemical ppm in air

[123amit]

Hello all
i need to know how i would check ppm of specific chemicals in air means if i need to check level of butanone what kind of instruments are available and approved by OSHA

 

[HamishMcTavish]

Drager Tubes?

or try the following

http://www.spectrex.com/sxc20.html

Regards, HM

No more things should be presumed to exist than are absolutely necessary - William of Occam