| Warning Letter — Meijer Gas Station | 349262 Aug 30, 2012 |
| Warning Letter — County Line Market | 347520 Aug 23, 2012 |
| Warning Letter — BP Express | 347845 Aug 23, 2012 |
| Warning Letter — Phillips 66 | 346518 Aug 23, 2012 |
| Warning Letter — Mashiana Paradise Plaza | 347540 Aug 23, 2012 |
| Warning Letter — Knoll Brothers Retail | 346558 Aug 23, 2012 |
| Warning Letter — Admiral | 343659 Aug 16, 2012 |
| Warning Letter — Kroger | 343599 Aug 16, 2012 |
| Warning Letter — Pak-A-Sak #15 | 344038 Aug 16, 2012 |
| Warning Letter — Village Pantry | 343638 Aug 16, 2012 |
| Warning Letter — Plymouth Red D Mart/Marathon | 343838 Aug 16, 2012 |
| Warning Letter — Iron Skillet | 344058 Aug 16, 2012 |
| Warning Letter — 79 One Stop/Marathon | 343578 Aug 16, 2012 |
| Warning Letter — Marathon | 343618 Aug 16, 2012 |
| Warning Letter — Flying Sauser Fuel Stop/Phillips 66 | 343959 Aug 16, 2012 |
| Warning Letter — Pilot Travel Centers LLC #444 | 344118 Aug 16, 2012 |
| Warning Letter — Marathon | 344120 Aug 16, 2012 |
| Warning Letter — Kirby's Korner | 344139 Aug 16, 2012 |
| Warning Letter — L.A. Village Food Mart | 343718 Aug 16, 2012 |
| Warning Letter — Handy Spot | 343698 Aug 16, 2012 |
| Warning Letter — Dewey's & Sons | 337658 Aug 9, 2012 |
| Warning Letter — Pak-A-Sak #11 | 337243 Aug 9, 2012 |
| Warning Letter — Phillips 66 | 337218 Aug 9, 2012 |
| Warning Letter — Speedway #7571 | 337102 Aug 9, 2012 |
| Warning Letter — Speedway #6664 | 337101 Aug 9, 2012 |
| Warning Letter — Stones Crossing Marathon | 337439 Aug 9, 2012 |
| Warning Letter — Low Bob's Discount Tobacco | 337198 Aug 9, 2012 |
| Warning Letter — Viking Foods | 337618 Aug 9, 2012 |
| Warning Letter — Low Bob's # 1024 | 334278 Aug 2, 2012 |
| Warning Letter — Family Express | 334318 Aug 2, 2012 |
| Warning Letter — Discount Tobacco | 334298 Aug 2, 2012 |
| Warning Letter — Kroger | 334203 Aug 2, 2012 |
| Warning Letter — Citgo | 331879 Jul 26, 2012 |
| Warning Letter — CVS/Pharmacy #6674 | 331839 Jul 26, 2012 |
| Warning Letter — Denny's Tippy Mart | 331959 Jul 26, 2012 |
| Warning Letter — Goshen Wal-Mart Store #1566 | 331978 Jul 26, 2012 |
| Warning Letter — BP | 331799 Jul 26, 2012 |
| Warning Letter — TC's Store | 331918 Jul 26, 2012 |
| Warning Letter — Tower Corner Citgo | 328760 Jul 19, 2012 |
| Warning Letter — Park 'N' Shop | 329039 Jul 19, 2012 |
| Warning Letter — Speedway #8534 | 328720 Jul 19, 2012 |
| Warning Letter — Casey's General Stores | 328700 Jul 19, 2012 |
| Warning Letter — Duffy's | 325818 Jul 12, 2012 |
| Warning Letter — Stop & Shop | 326020 Jul 12, 2012 |
| Warning Letter — Sunoco | 323199 Jul 5, 2012 |
| Warning Letter — Village Pantry | 323398 Jul 5, 2012 |
| Warning Letter — Smoke Shop | 323319 Jul 5, 2012 |
| Warning Letter — Jefferson Square Marathon | 323338 Jul 5, 2012 |
| Warning Letter — Pay Less | 320967 Jun 28, 2012 |
| Warning Letter — Family Express | 321959 Jun 28, 2012 |