Zenith Energy Logistics Partners (ARCX) 10-Q 2015 Q1 Quarterly report

Exhibit 32.2

Certification of the

Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Arc Logistics Partners LP (the “Partnership”) on Form 10-Q for the period ended March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bradley K. Oswald, the Chief Financial Officer of Arc Logistics GP LLC, the General Partner of the Partnership, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date: May 7, 2015

/s/ BRADLEY K. OSWALD

Bradley K. Oswald

Senior Vice President, Chief Financial Officer and Treasurer