grab sample Environmental Issues Terms &Acronyms Glossary and Key Word List Definition: A single sample of soil or of water taken without regard to time or flow. Grab Sample Pesticides Glossary Glossary and Key Word List Definition: A single sample of soil or of water taken without regard to time or flow. Grab Sample National Pollutant Discharge Elimination System (NPDES) Glossary Glossary and Key Word List Definition: A sample which is taken from a wastestream on a one-time basis without consideration of the flow rate of the wastestream and without consideration of time. Grab Sample NPDES Permit Writers Manual Glossary Glossary and Key Word List Definition: A sample taken from a wastestream on a one-time basis without consideration of the flow rate of the wastestream and without consideration of time. Grab Sample Terms of Environment Glossary and Key Word List Definition: A single sample collected at a particular time and place that represents the composition of the water, air, or soil only at that time and place. grab sample Thesaurus of Terms Used in Microbial Risk Assessment Thesaurus Definition 1: A single sample collected at a particular time and place that represents the composition of the water, air, or soil only at that time and place. [EPA 2004] Definition 2: A single sample of soil or of water taken without regard to time or flow. [EPA 2005e] Grab Sample Drinking Water Technical &Legal Terms Glossary and Key Word List Definition: A single sample collected at a particular time and place which represents the composition of the water only at that time and place. Grab Sample EPA EV-Research-Research Resources-Analytical Methods &Protocols Taxonomy Definition 1: Single sample which is collected at a time and place most representative of total discharge. [40 CFR 471.02 (CFR 2013)] Definition 2: A single sample collected at a particular time and place that represents the composition of the water, air, or soil only at that time and place. [EPA 2004][Thesaurus of Terms Used in Microbial Risk Assessment] Definition 3: A single sample of soil or of water taken without regard to time or flow. [EPA 2005e][Thesaurus of Terms Used in Microbial Risk Assessment] Definition 4: A sample taken from a wastestream on a one-time basis without consideration of the flow rate of the wastestream and without consideration of time.[NPDES Permit Writers Glossary]