dfr103 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-dfr103-structure.json",
"name": "dfr103",
"description": "Chemicals Object",
"type": "object",
"properties": {
"ChemicalName": {
"type": "string",
"description": "The TRI chemical to which the data in this row applies.",
"example": "EPA Facility"
},
"Year1Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "23"
},
"Year2Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "45"
},
"Year3Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "103"
},
"Year4Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "60"
},
"Year5Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "34"
},
"Year6Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "22"
},
"Year7Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "114"
},
"Year8Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "83"
},
"Year9Pounds": {
"type": "string",
"description": "The total pounds either released to air, discharged to surface water, injected underground, landfilled on-site, or transferred off-site for disposal or to a POTW.",
"example": "42"
}
},
"required": [
"ChemicalName",
"Year9Pounds",
"Year8Pounds",
"Year7Pounds",
"Year6Pounds",
"Year5Pounds",
"Year4Pounds",
"Year3Pounds",
"Year2Pounds",
"Year1Pounds"
]
}