`tri_chemical_releases`

Pack: epa-emissions · Endpoint: https://gateway.pipeworx.io/epa-emissions/mcp

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/tri_chemical_releases for the schema, then POST the same URL with its arguments for the data.

Track toxic chemical releases by chemical name and state. Returns quantities released to air, water, and land broken down by year.

Parameters

Name	Type	Required	Description
`chemical`	string	yes	Chemical name (e.g., “LEAD”, “MERCURY”, “BENZENE”, “TOLUENE”).
`state`	string	no	Two-letter state abbreviation to filter by (optional).
`limit`	number	no	Max results (default 20, max 100).

Example call

Arguments

{
  "chemical": "LEAD"
}

curl

curl -X POST https://gateway.pipeworx.io/epa-emissions/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"tri_chemical_releases","arguments":{"chemical":"LEAD"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('tri_chemical_releases', {
  "chemical": "LEAD"
});

More examples

{
  "chemical": "MERCURY",
  "state": "OH",
  "limit": 40
}

Response shape

Always returns: chemical, count, releases

Field	Type	Description
`chemical`	string	Chemical name (uppercase)
`count`	number	Number of release records returned
`releases`	array	Array of toxic release records by chemical

Full JSON Schema

{
  "type": "object",
  "properties": {
    "chemical": {
      "type": "string",
      "description": "Chemical name (uppercase)"
    },
    "count": {
      "type": "number",
      "description": "Number of release records returned"
    },
    "releases": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "tri_facility_id": {
            "type": [
              "string",
              "null"
            ],
            "description": "TRI facility identifier"
          },
          "facility_name": {
            "type": [
              "string",
              "null"
            ],
            "description": "Name of the facility"
          },
          "chemical": {
            "type": [
              "string",
              "null"
            ],
            "description": "Chemical name"
          },
          "reporting_year": {
            "type": [
              "number",
              "null"
            ],
            "description": "Year of report"
          },
          "state": {
            "type": [
              "string",
              "null"
            ],
            "description": "State abbreviation"
          },
          "unit": {
            "type": [
              "string",
              "null"
            ],
            "description": "Unit of measure"
          },
          "total_releases": {
            "type": [
              "number",
              "null"
            ],
            "description": "Total quantity released"
          },
          "fugitive_air": {
            "type": [
              "number",
              "null"
            ],
            "description": "Fugitive air emissions quantity"
          },
          "stack_air": {
            "type": [
              "number",
              "null"
            ],
            "description": "Stack air emissions quantity"
          },
          "water": {
            "type": [
              "number",
              "null"
            ],
            "description": "Water releases quantity"
          },
          "underground": {
            "type": [
              "number",
              "null"
            ],
            "description": "Underground injection quantity"
          },
          "landfills": {
            "type": [
              "number",
              "null"
            ],
            "description": "Landfill disposal quantity"
          },
          "on_site_total": {
            "type": [
              "number",
              "null"
            ],
            "description": "Total on-site releases"
          },
          "off_site_total": {
            "type": [
              "number",
              "null"
            ],
            "description": "Total off-site releases"
          }
        }
      },
      "description": "Array of toxic release records by chemical"
    }
  },
  "required": [
    "chemical",
    "count",
    "releases"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "epa-emissions": {
      "url": "https://gateway.pipeworx.io/epa-emissions/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

tri_chemical_releases