Sampling strategies for wastewater surveillance: Evaluating the variability of SARS-COV-2 RNA concentration in composite and grab samples - ScienceDirect
Passive and grab sampling methods to assess pesticide residues in water. A review | Environmental Chemistry Letters
What is a grab sample?
Introduction to Grab Sampling | Swagelok
Schematic of the treatment processes of DWTP A, grab sampling, and... | Download Scientific Diagram
The Impact of Sampling Type, Frequency and Scale of Collection System on SARS-CoV-2 Quantification Fidelity | medRxiv
Four Common Grab Sampling Deficiencies and How to Fix Them
Grab Sampling - Ocean Surveys %
Grab samplers for sediment top layers | Royal Eijkelkamp