| Warning Letter — Avilla BP | 587676 Jul 25, 2019 |
| Warning Letter — Speedway #5554 | 588030 Jul 25, 2019 |
| Warning Letter — Casey's General Store | 588033 Jul 25, 2019 |
| Warning Letter — Meijer Fuel | 587175 Jul 18, 2019 |
| Warning Letter — Marathon / Sullivan Smoke Shop | 587188 Jul 18, 2019 |
| Warning Letter — Rulers Foods | 587334 Jul 18, 2019 |
| Warning Letter — Marathon | 587387 Jul 18, 2019 |
| Warning Letter — F&F Mart | 586976 Jul 18, 2019 |
| Warning Letter — Circle K 2368 | 587179 Jul 18, 2019 |
| Warning Letter — Country Mark | 587390 Jul 18, 2019 |
| Warning Letter — B & D Tobacco Outlet | 587058 Jul 18, 2019 |
| Warning Letter — B And D Smoke Shop | 587057 Jul 18, 2019 |
| Warning Letter — Marathon/Goss Grocery | 587056 Jul 18, 2019 |
| Warning Letter — Pavey's Grocery / Phillips 66 | 587391 Jul 18, 2019 |
| Warning Letter — Exxon | 587389 Jul 18, 2019 |
| Warning Letter — Kroger Fuel Center | 587186 Jul 18, 2019 |
| Warning Letter — XPRESS MART / VALERO | 587177 Jul 18, 2019 |
| Warning Letter — GETGO CAFE AND MARKET | 587182 Jul 18, 2019 |
| Warning Letter — Vapor Trails | 587392 Jul 18, 2019 |
| Warning Letter — Village Pantry | 587059 Jul 18, 2019 |
| Warning Letter — Indy Lakes | 587333 Jul 18, 2019 |
| Warning Letter — Circle K | 586638 Jul 11, 2019 |
| Warning Letter — Hometown IGA | 586630 Jul 11, 2019 |
| Warning Letter — Chappy's Drive Thru Convenience | 586639 Jul 11, 2019 |
| Warning Letter — Highway 64 Fuel Center & Food Mart | 586728 Jul 11, 2019 |
| Warning Letter — Dollar General | 586636 Jul 11, 2019 |
| Warning Letter — 7-Eleven 32579C / Mobil | 586629 Jul 11, 2019 |
| Warning Letter — Triple M Shoes | 586469 Jul 11, 2019 |
| Warning Letter — Shell | 586637 Jul 11, 2019 |
| Warning Letter — Eddie's Quick Mart/CountryMark | 586632 Jul 11, 2019 |
| Warning Letter — Smoke Plus | 586634 Jul 11, 2019 |
| Warning Letter — Miller's Super Valu | 586633 Jul 11, 2019 |
| Warning Letter — Speedway 6051 | 586635 Jul 11, 2019 |
| Warning Letter — Indy Variety | 586811 Jul 11, 2019 |
| Warning Letter — McClure | 586470 Jul 11, 2019 |
| Warning Letter — FuelMart #783 | 586133 Jul 5, 2019 |
| Warning Letter — Marathon/ Village Pantry | 586266 Jul 5, 2019 |
| Warning Letter — Phillips 66 / Joes Junction 9 | 586134 Jul 5, 2019 |
| Warning Letter — Circle S Mart | 585804 Jun 27, 2019 |
| Warning Letter — Route Dupont Stop N Go / Shell | 585528 Jun 27, 2019 |
| Warning Letter — Pak-A-Sak/Phillips 66 | 585529 Jun 27, 2019 |
| Warning Letter — Southport Food Mart / Shell | 585805 Jun 27, 2019 |
| Warning Letter — Family Dollar #7021 / Dollar Tree | 585530 Jun 27, 2019 |
| Warning Letter — K And E Market | 585021 Jun 20, 2019 |
| Warning Letter — Shell | 584996 Jun 20, 2019 |
| Warning Letter — Sunoco / Fast Track | 584995 Jun 20, 2019 |
| Warning Letter — Marathon | 585158 Jun 20, 2019 |
| Warning Letter — Payless Fuel | 584657 Jun 13, 2019 |
| Warning Letter — BP / LIQUOR | 584755 Jun 13, 2019 |
| Warning Letter — MARATHON | 583703 Jun 6, 2019 |