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Useful Links for Developing Ecological Risk Assessments
Links to pages on this and other sites that have useful information for developing ecological risk assessments.
Ecological Risk Assessments
Review this page for information on TCEQ's Ecological Risk Assessment Program.

New Information Required use of SW-846 Method 5035

Beginning January 1, 2016, the TCEQ Remediation Division will require the use of United States Environmental Protection Agency (USEPA) SW846 Method 5035A, Purge-and-Trap and Extraction for Volatile Organics in Soil and Waste Samples, as amended, for the collection and preparation of solid samples for volatile organic compound (VOC) analysis using purge-and-trap technology.

The TCEQ Remediation Division guidance on Method 5035 has been updated and is available.