374Water (SCWO) 10-Q 2018 Q2 Quarterly report

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, John L. Hofmann, certify as follows:

1. To the best of my knowledge, the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, fully complies in all material respects with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and

2. To the best of my knowledge, based upon a review of the report, the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ John L. Hofmann
	John L. Hofmann
	Chief Financial Officer August 9, 2018