500DT sample swabs are produced under strict laboratory controls and meet the standards required for precise operation of your trace instrument. The traps are packaged in contaminant-free cans and sealed for maximum freshness and longevity.
Wear clean cotton gloves (p/n GL7500) when handling any sample swab or verification token to prevent natural oils, dirt and lotions from interfering with the instrument’s ability to analyze samples. Place lid securely back on can immediately after opening to retain product freshness.