Fall Time, T 90-10

{
  "id": "MLC-T-ENV-010650",
  "term": "Fall Time, T 90-10",
  "field": "Environment",
  "definition": "Time interval of a measurement instrument's response after any step decrease to the input between the following points:(1) The point at which the response has fallen 10% of the total amount it will fall in response to the step change.(2) The point at which the response has fallen 90% of the total amount it will fall in response to the step change.",
  "references": [
    "40 CFR 1065.1001 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/fall-time-t-90-10/"
}