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Description: The total annual release quantities of the chemical to air, water, on-site land, and underground injection wells. (Data in TRI_RELEASE_QTY were submitted on EPA Form R, Part II, Section 5.)

5.1 Fugitive emissions are releases to air not released through a confined air stream.

5.2 Point source air emissions occur through confined air streams such as stacks, vents, ducts, or pipes.

5.3 Releases to water include discharges to streams, rivers, lakes, oceans and other bodies of water.

5.4.1 Class I wells are industrial, municipal, and manufacturing related wells which inject fluids into deep, confined and isolated formations below potable water supplies.

5.4.2 Class II are oil and gas related wells. Class III wells are associated with the solution mining of minerals. Class IV wells have an injection as part of an authorized CERCLA/RCRA clean up operation. Class V wells do not fall under I-IV and are, generally, shallow drainage wells.

5.5.1A RCRA Subtitle C landfills are authorized under RCRA to accept hazardous waste for disposal and must follow stringent guidelines for their design and operation..

5.5.1B Other landfills are those not authorized under Subtitle C of RCRA to accept hazardous wastes that may be regulated under a variety of other Federal, state, and local programs.

5.5.2 Land treatment and application farming refer to the incorporation of waste into the soil where the waste degrades in the soil.

5.5.3 Surface impoundments include natural depressions, man-made excavations and diked areas that hold liquid wastes (Form R Part II Section 5.5.3 for RY2002 and Prior).

5.5.3A RCRA Subtitle C On-site surface impoundment disposal (Form R Part II Section 5.5.3A for RY2003 and Later).

5.5.3B Other On-site surface impoundment disposal (Form R Part II Section 5.5.3B for RY2003 and Later).

5.5.4 Other disposal is the disposal of the toxic chemical to land that does not fall into one of the categories found in sections 5.5.1 through 5.5.3. It includes such activities as placement in waste piles and spills or leaks.


Envirofacts Data Service API for TRI_RELEASE_QTY: Envirofacts has developed a RESTful data service API to all of its internal data holdings. This functionality provides a user of Envirofacts with the ability to query any table through the use of a URL. The default output is in XML, which can be utilized in other applications, as well as tools such as Microsoft Excel or Access. Output options of CSV and Excel can be requested in the URL. The entire Envirofacts database metadata is available online, so that all tables and columns within Envirofacts are documented. Having the table structures available in this manner makes most of Envirofacts data easily available through the service. More information is available on the Envirofacts Services page.

Below is a sample of the first 10 rows of data for the TRI_RELEASE_QTY table. The URL used to produce this output is: