Abstract
A short term sampler for cotton dust is introduced which, when used in conjunction with a correctly designed vertical elutriator, gives equivalent results to the Lumsden-Lynch vertical elutriator. The short termed sampler not only offers results which can be applied to the ACGIH TLV but offers an effective means of environmental surveillance in a byssinosis prevention program with the additional advantages of immediate read-out short termed sampling and truer employee exposure.