`tri_chemical_releases`

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

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