| Warning Letter — North Side Quick Stop | 569971 Nov 29, 2018 |
| Warning Letter — Smokes For Less | 569972 Nov 29, 2018 |
| Warning Letter — Circle K / Shell | 569544 Nov 29, 2018 |
| Warning Letter — Paradise Vapors | 569752 Nov 29, 2018 |
| Warning Letter — BP | 569543 Nov 29, 2018 |
| Warning Letter — Phillips 66/TempStop /Champs Chicken | 569901 Nov 29, 2018 |
| Warning Letter — Speed Zone | 569441 Nov 21, 2018 |
| Warning Letter — Goobers Hartford Store | 569360 Nov 21, 2018 |
| Warning Letter — 7-Eleven 29046E / Phillips 66 | 569440 Nov 21, 2018 |
| Warning Letter — Casey's General Stores | 569442 Nov 21, 2018 |
| Warning Letter — 76 Express | 569443 Nov 21, 2018 |
| Warning Letter — BLANK FIREWORKS AND TOBACCO OUTLET | 569389 Nov 21, 2018 |
| Warning Letter — Tipsy | 569398 Nov 21, 2018 |
| Warning Letter — Clark / 7Th Heaven | 569390 Nov 21, 2018 |
| Warning Letter — C&R Market | 568976 Nov 15, 2018 |
| Warning Letter — CASEYS GENERAL STORE | 568975 Nov 15, 2018 |
| Warning Letter — Tiger Foods/Phillips 66 | 568977 Nov 15, 2018 |
| Warning Letter — Quick Run | 568824 Nov 15, 2018 |
| Warning Letter — Vaporholics | 568601 Nov 8, 2018 |
| Warning Letter — Cenex/Hitch N Post | 568672 Nov 8, 2018 |
| Warning Letter — Conoco / QuikTrip | 568599 Nov 8, 2018 |
| Warning Letter — BreakTime | 568528 Nov 8, 2018 |
| Warning Letter — Dogwood Truckstop/Conoco | 568527 Nov 8, 2018 |
| Warning Letter — C&R Market | 568529 Nov 8, 2018 |
| Warning Letter — 32 Quick Stop | 568594 Nov 8, 2018 |
| Warning Letter — Vapor World | 568530 Nov 8, 2018 |
| Warning Letter — Prenger Foods | 568673 Nov 8, 2018 |
| Warning Letter — Super Town & Country | 567432 Oct 25, 2018 |
| Warning Letter — Family Dollar #2388 | 567543 Oct 25, 2018 |
| Warning Letter — Mule Express | 567546 Oct 25, 2018 |
| Warning Letter — Harps 288 | 567544 Oct 25, 2018 |
| Warning Letter — Pilot Travel Center | 567433 Oct 25, 2018 |
| Warning Letter — Murphy Express | 567628 Oct 25, 2018 |
| Warning Letter — Heartland Express | 567362 Oct 25, 2018 |
| Warning Letter — Walgreens 10153 | 567627 Oct 25, 2018 |
| Warning Letter — Circle K 1647 | 567136 Oct 18, 2018 |
| Warning Letter — Schnucks | 566736 Oct 18, 2018 |
| Warning Letter — Dollar General | 567091 Oct 18, 2018 |
| Warning Letter — Price Cutter's 18 | 567093 Oct 18, 2018 |
| Warning Letter — Dollar General 9316 | 566733 Oct 18, 2018 |
| Warning Letter — Pierson's Package Liqour | 566735 Oct 18, 2018 |
| Warning Letter — Express Liquor | 567168 Oct 18, 2018 |
| Warning Letter — Saaki Food Mart / Valero | 566570 Oct 11, 2018 |
| Warning Letter — Original Living Coconut LLC | 561493 Oct 10, 2018 |
| Warning Letter — Joe's Market | 566098 Oct 4, 2018 |
| Warning Letter — Family Dollar #5484 | 565843 Oct 4, 2018 |
| Warning Letter — Phillips 66/Zinger's Mart | 565841 Oct 4, 2018 |
| Warning Letter — Phillips 66 | 565842 Oct 4, 2018 |
| Warning Letter — Spokane Handi Mart | 565637 Sep 27, 2018 |
| Warning Letter — Gier Oil Company Inc | 565357 Sep 27, 2018 |