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Environmental Measurements and Modeling

Documents for Updating the Toxic Organic Methods

Below is the lined version of the most recent edition of Method TO-11A, from the Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, along with the list of EPA's planned revisions to TO-11A. Please fill out the Comments Form below according to the following instructions. Your input is greatly appreciated!

Instructions for submitting comments:

  • Download the Comments Form by selecting the active link below.
  • Add the required information and your comments as indicated on the form.
  • Save the completed form to your computer.
  • Please e-mail your completed forms to Zora Drake ( of Jacobs Technology Inc., with a copy to Karen Oliver ( of EPA by Tuesday, May 1, 2018.
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