EPA — U.S. Environmental Protection Agency · JSON Structure

Echo Dfr Dfr104 Structure

Header Object

Type: object Properties: 9 Required: 9

GovernmentEnvironmentalOpen DataAir QualityWater QualityHazardous WasteComplianceEmissions

dfr104 is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency, describing 9 properties, of which 9 are required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

Year1 Year2 Year3 Year4 Year5 Year6 Year7 Year8 Year9

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/echo-dfr-dfr104-structure.json",
  "name": "dfr104",
  "description": "Header Object",
  "type": "object",
  "properties": {
    "Year1": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2009"
    },
    "Year2": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2010"
    },
    "Year3": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2011"
    },
    "Year4": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2012"
    },
    "Year5": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2013"
    },
    "Year6": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2014"
    },
    "Year7": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2015"
    },
    "Year8": {
      "type": "string",
      "description": "The calendar year during which TRI releases and transfers occurred.",
      "example": "2016"
    },
    "Year9": {
      "type": "string",
      "description": "The most recent calendar year during which TRI releases and transfer occurred.",
      "example": "2017"
    }
  },
  "required": [
    "Year9",
    "Year8",
    "Year7",
    "Year6",
    "Year5",
    "Year4",
    "Year3",
    "Year2",
    "Year1"
  ]
}

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