Composite Sample

{
  "id": "MLC-T-ENV-005962",
  "term": "Composite Sample",
  "field": "Environment",
  "definition": "1. Sample composed of two or more discrete samples. The aggregate sample will reflect the average water quality covering the compositing or sample period.\n\n2. A series of water samples taken over a given period of time and weighted by flow rate.\n\n3. A sample formed by collecting several samples and combining them into a new sample for analysis.\n\n4. Sample composed of no less than eight grab samples taken over the compositing period.\n\n5. A series of water samples taken over a given period of time and weighted by flow rate. [EPA 2005b]\n\n6. A sample of water, soil or other medium which is made by combining samples from two or more locations. [NYDOH 1999]\n\n7. Sample composed of two or more discrete aliquots (samples). The aggregate sample will reflect the average water quality of the compositing or sample period.",
  "subject": "Water",
  "references": [
    "National Pollutant Discharge Elimination System (NPDES) Glossary",
    "STORET Legacy Data Center Glossary; Terms of Environment; EPA 2005b",
    "RadNet Glossary",
    "40 CFR 471.02 (CFR 2013)",
    "Thesaurus of Terms Used in Microbial Risk Assessment",
    "NPDES Permit Writers Glossary; NPDES Permit Writers Manual Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/composite-sample/"
}