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Downloads folder for Proposed DSDs

The document is the first draft EtO DSD which was proposed for public comment on June 28, 2019. The public comment period ended September 26, 2019.

Scientific expert comments were thoroughly reviewed and addressed by the TCEQ as documented in the EtO DSD External Peer Review Response to Comments. The TCEQ responding to the external expert comments resulted in this state-of-the-science final EtO DSD (dated May 15, 2020).