Retrospective case study

{
  "id": "MLC-T-ENV-024220",
  "term": "Retrospective case study",
  "field": "Environment",
  "definition": "1. A study of sites where hydraulic fracturing has occurred nearby, with a focus on sites with reported instances of drinking water resource contamination. These studies will use existing data, sampling, and possibly modeling to determine whether reported impacts are due to hydraulic fracturing activities or other sources.\n\n2. Studies using existing data to examine the event.",
  "subject": "Chemicals, toxics and pesticides",
  "references": [
    "Glossary: Study of the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources",
    "Adapted from EPA Draft Plan to Study the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources Glossary at www.yosemite.gov/sab"
  ],
  "url": "https://mlchart.com/terminology/environment/retrospective-case-study/"
}