TOMI Environmental Solutions, Inc.

8430 Spires Way, Suite N

Frederick, Maryland 21701

November 4, 2021

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F Street NE

Washington, DC 20549

Attention:  Jordan Nimitz

        Re:    TOMI Environmental Solutions, Inc.

                  Registration Statement on Form S-3

                  File No. 333-260510

Acceleration Request

Requested Date:        November 8, 2021

Requested Time:       4:30 p.m. Eastern Time (or as soon thereafter as practicable)

Ladies and Gentlemen:

        Pursuant to Rule 461 under the Securities Act of 1933, as amended, TOMI Environmental Solutions, Inc., a Florida corporation (the "Registrant"), hereby requests that the Securities and Exchange Commission (the "Commission") take appropriate action to cause the above-referenced Registration Statement on Form S-3 to become effective on November 8, 2021 at 4:30 p.m. Eastern Time, or as soon thereafter as practicable, or at such later time as the Registrant may orally request via telephone call to the staff of the Commission. The Registrant hereby authorizes Morgan, Lewis & Bockius LLP, counsel to the Registrant, to orally modify or withdraw this request for acceleration.

        The Registrant requests that it be notified of such effectiveness by a telephone call to our counsel, Morgan, Lewis & Bockius LLP, by calling Mr. Albert Lung at (650) 843-7263.

Very Truly Yours,

TOMI ENVIRONMENTAL SOLUTIONS, INC.

By:  /s/ Halden S. Shane

Name:  Halden S. Shane

Title:  Chief Executive Officer

cc:  Albert Lung, Morgan, Lewis & Bockius LLP