| Warning Letter — Country Corner Deli/Marathon | 527648 Jun 22, 2017 |
| Warning Letter — Speedway | 527814 Jun 22, 2017 |
| Warning Letter — Kroger Fuel Center | 527744 Jun 22, 2017 |
| Warning Letter — Get 2 Go/Shell | 527651 Jun 22, 2017 |
| Warning Letter — Payless Fuel Center | 527650 Jun 22, 2017 |
| Warning Letter — LJ's Quik Thru | 527874 Jun 22, 2017 |
| Warning Letter — Village Pantry | 527654 Jun 22, 2017 |
| Warning Letter — Lassus Handy Dandy | 527574 Jun 22, 2017 |
| Warning Letter — Speedway | 527875 Jun 22, 2017 |
| Warning Letter — Walgreens | 527028 Jun 15, 2017 |
| Warning Letter — Country Porch | 527178 Jun 15, 2017 |
| Warning Letter — Speedway | 527120 Jun 15, 2017 |
| Warning Letter — Mitthoeffer Gas & Mart/Clark | 527117 Jun 15, 2017 |
| Warning Letter — BP/Rickers | 527119 Jun 15, 2017 |
| Warning Letter — Casey's General Store | 527245 Jun 15, 2017 |
| Warning Letter — Kwik Mart/Shell | 526564 Jun 8, 2017 |
| Warning Letter — Mobil/Hometown Station Convenience Center | 526485 Jun 8, 2017 |
| Warning Letter — Brooklyn Mini-Mart | 526098 Jun 1, 2017 |
| Warning Letter — Walmart | 526144 Jun 1, 2017 |
| Warning Letter — Country Store Cafe | 526143 Jun 1, 2017 |
| Warning Letter — Smokers Discount Tobacco | 526100 Jun 1, 2017 |
| Warning Letter — Lassus Handy Dandy | 525700 May 25, 2017 |
| Warning Letter — Low Bob's Discount Tobacco | 525428 May 25, 2017 |
| Warning Letter — Dollar General | 525661 May 25, 2017 |
| Warning Letter — Pats College Park Marathon | 525580 May 25, 2017 |
| Warning Letter — BP | 525699 May 25, 2017 |
| Warning Letter — Circle K | 525445 May 25, 2017 |
| Warning Letter — Circle K | 525735 May 25, 2017 |
| Warning Letter — Dollar General | 525129 May 18, 2017 |
| Warning Letter — Family Dollar | 525128 May 18, 2017 |
| Warning Letter — Walgreens | 525212 May 18, 2017 |
| Warning Letter — Country Porch Convenience Store | 525050 May 18, 2017 |
| Warning Letter — Marathon | 524994 May 18, 2017 |
| Warning Letter — Speedway | 525070 May 18, 2017 |
| Warning Letter — Luke | 525213 May 18, 2017 |
| Warning Letter — Family Express | 524512 May 11, 2017 |
| Warning Letter — Quick Silver | 524695 May 11, 2017 |
| Warning Letter — Clark | 524605 May 11, 2017 |
| Warning Letter — Duncan's Botanical Products, Inc. | 519077 May 8, 2017 |
| Warning Letter — Marsh | 523918 May 4, 2017 |
| Warning Letter — White's Meat Market | 523945 May 4, 2017 |
| Warning Letter — Swiss Deli/Marathon | 524056 May 4, 2017 |
| Warning Letter — Myers Deli Mart/Phillips 66 | 523917 May 4, 2017 |
| Warning Letter — Smoke City | 524088 May 4, 2017 |
| Warning Letter — BP | 524099 May 4, 2017 |
| Warning Letter — NORTH STREET VAPE AND SMOKE SHOP / CONOCO | 523916 May 4, 2017 |
| Warning Letter — 52 PIK UP/Marathon | 523411 Apr 27, 2017 |
| Warning Letter — Circle K | 523557 Apr 27, 2017 |
| Warning Letter — Hoosier Mart/Shell | 523410 Apr 27, 2017 |
| Warning Letter — Kroger | 523409 Apr 27, 2017 |