{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-dfr-dfr101-structure.json",
  "name": "dfr101",
  "description": "Release Year Object",
  "type": "object",
  "properties": {
    "OffSiteTransfersPOTWS": {
      "type": "string",
      "description": "The total amount, in pounds per year, transferred off site to Publicly Owned Treatment Works (POTWs).",
      "example": "0"
    },
    "ReleasesToLand": {
      "type": "string",
      "description": "Total releases to land on-site (includes landfills), in pounds per year.",
      "example": "string"
    },
    "SourceID": {
      "type": "string",
      "description": "Unique Identifier assigned by EPA.",
      "example": "ALR040033"
    },
    "SurfaceWaterDischarges": {
      "type": "string",
      "description": "The total direct discharges to receiving streams or water bodies, in pounds per year.",
      "example": "string"
    },
    "TotalAirEmissions": {
      "type": "string",
      "description": "The total fugitive (non-point air emissions) and stack or point air emissions, in pounds per year.",
      "example": "36"
    },
    "TotalOffSiteReleases": {
      "type": "string",
      "description": "The total amount, in pounds per year, transferred off site to Publicly Owned Treatment Works (POTWs) and other off-site locations.",
      "example": "2"
    },
    "TotalOnSiteReleases": {
      "type": "string",
      "description": "Total pounds per year released for Air Emissions, Surface Water Discharges, Underground Injections and Releases to Land.",
      "example": "36"
    },
    "TotalReleasesTransfers": {
      "type": "string",
      "description": "Grand total for Air Emissions, Surface Water Discharges, Underground Injections, Releases to Land, On-Site Releases and Off-Site Transfers in pounds per year for all types of chemicals.",
      "example": "1,356"
    },
    "UndergroundInjections": {
      "type": "string",
      "description": "The total underground injections to wells on-site, in pounds per year.",
      "example": "string"
    },
    "Year": {
      "type": "string",
      "description": "The calendar year of a time dimension (reporting table) record.",
      "example": "string"
    }
  },
  "required": [
    "SourceID",
    "Year",
    "TotalAirEmissions",
    "SurfaceWaterDischarges",
    "UndergroundInjections",
    "ReleasesToLand",
    "OffSiteTransfersPOTWS",
    "TotalOnSiteReleases",
    "TotalOffSiteReleases",
    "TotalReleasesTransfers"
  ]
}