Mar. 13, 2014 - KCBX responded to item B-17 of EPA's Nov. 15, 2013 Section 114 information request. The Petroleum Coke Storage Pile Sampling Logbook and Photos provides information and photographs about the piles sampled by KCBX. You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more. Petroleum Coke Storage Pile Sampling Logbook and Photos (PDF)(24 pp, 2 MB)