composite sampling device passive sampling device 2023-11-20T16:24:25Z A composite sampler that passively collects target material from an environment without active pumping or manual collection, relying on natural processes such as diffusion, adsorption, or flow to accumulate analytes over time. requires discussion Planned Obsolescence: this term is a placeholder for a term requested in another ontology. Once the appropriate ontology term is available, this term’s identifier will be obsoleted with a “term replaced by” id of the other term. passive sampler trap sampler