Developer Central
EPA's Developer Central is a resource for developers who are interested in building applications using EPA data and Web services.

ChangeUserAnswers

Allows a user to change their answers to the KBQ questions. Version: 1 Office: Office of Environmental Information

AuthenticateUser

Authenticates a users credentials in the Shared CROMERR Services system Version: 1 Office: Office of Environmental Information, OEI, USEPA

Authenticate

Authenticates the client before invoking any CROMERR shared services. The Authenticate operation provides a securityToken. Version: 1 Office: Office of Environmental Information, OEI, USEPA

iOS Sample Code

iOS sample code which uses the Envirofacts RadNet Representational State Transfer (REST) Application Programming Interface (API). Overview Requirements Create a New Project Implement the...

Toxic Release Inventory (TRI)

The Toxics Release Inventory (TRI) is a database containing detailed information on nearly 650 chemicals and chemical categories that approximately 22, 000 industrial and...

Permit Compliance System (PCS)

The Permit Compliance System (PCS) provides information on companies which have been issued permits to discharge waste water into rivers.