{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-dfr-dfr071-schema.json", "title": "dfr071", "description": "Copper Samples", "type": "object", "properties": { "CU90": { "description": "The concentration of copper representing the 90th percentile level of all tap water samples collected for the water system", "example": "2 mg/L", "title": "Copper 90th Percentile", "type": "string" }, "CU90Dates": { "description": "The dates during which tap water samples were collected.", "example": "2015-07-01-2015-12-31", "title": "Copper 90th Percentile Dates", "type": "string" }, "CU90Units": { "description": "The measurement units.", "example": "mg/L", "title": "Copper 90th Percentile Units", "type": "string" }, "CU90Value": { "description": "The value of the concentration of copper representing the 90th percentile level of all tap water samples collected for the water system", "example": "2", "title": "Copper 90th Percentile Value", "type": "string" } }, "required": [ "CU90", "CU90Value", "CU90Units", "CU90Dates" ] }