dfr101 is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency, describing 10 properties, of which 10 are required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.
{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$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"
]
}