Federal, state, and local agencies have reached consensus on the first validated national standard for collecting, packaging, and transporting samples of visible powders that are suspected of being ...

SIT begins fresh gold sample collection at Sabarimala temple in theft probe, aided by forensic experts and legal personnel.

Daniel McDonald and Jack Gilbert (both University of California, San Diego; CA, USA) discuss the challenges faced during fecal sample collection and highlight important factors to consider when ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...