Swab First™ Pty Ltd is an environmental screening service with an analytical laboratory that specialises in screening surfaces for the presence or absence of illicit substances and nicotine residues. The developers of Swab First products have over 65 years’ experience in the fields of risk assessment, exposure science, public and environmental health, toxicology and occupational hygiene. It is a way to protect the health of you and your family from exposure to illicit substances and nicotine.