Our knitted polyester sampling and TOC (Total Organic Carbon) analysis swabs provide the highest level of cleanliness with critically low levels of particles, non-volatile residues, ions, and other contaminates. Sampling swabs are used across a number of industries such as pharmaceutical compounding & manufacturing, USP 797 clean rooms, food manufacturing & processing, laboratory, and other industries that require surface sampling and environmental monitoring. Contact us today and discover the Berkshire difference!