dfr072 is a JSON Structure definition published by EPA — U.S. Environmental Protection Agency, describing 4 properties, of which 4 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-dfr072-structure.json",
"name": "dfr072",
"description": "Lead Samples",
"type": "object",
"properties": {
"PB90": {
"type": "string",
"description": "The concentration of lead representing the 90th percentile level of all tap water samples collected for the water system",
"example": ".042 mg/L"
},
"PB90Dates": {
"type": "string",
"description": "The dates during which tap water samples were collected.",
"example": "2015-07-01-2015-12-31"
},
"PB90Units": {
"type": "string",
"description": "The measurement units.",
"example": "mg/L"
},
"PB90Value": {
"type": "string",
"description": "The value of the concentration of lead representing the 90th percentile level of all tap water samples collected for the water system",
"example": "0.042"
}
},
"required": [
"PB90",
"PB90Value",
"PB90Units",
"PB90Dates"
]
}
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