| Warning Letter — Signature Formulations, LLC | 545017 Aug 1, 2018 |
| Warning Letter — Mo's Smoke 4 Less | 560606 Jul 26, 2018 |
| Warning Letter — FRY'S | 560437 Jul 26, 2018 |
| Warning Letter — Chevron / A. J.'S Mini Mart | 560436 Jul 26, 2018 |
| Warning Letter — Tumbleweed Service | 560707 Jul 26, 2018 |
| Warning Letter — Chevron Food Mart | 560464 Jul 26, 2018 |
| Warning Letter — ROCKY'S KWIK MART | 560706 Jul 26, 2018 |
| Warning Letter — Chevron / Extra Mile | 559936 Jul 19, 2018 |
| Warning Letter — Chevron | 559850 Jul 19, 2018 |
| Warning Letter — Fourth Avenue Smoke Shop / Vape Shop | 559852 Jul 19, 2018 |
| Warning Letter — DISCOVERY MARKET/CHEVRON | 559937 Jul 19, 2018 |
| Warning Letter — Red Mesa Express | 559076 Jul 12, 2018 |
| Warning Letter — LOST CLOUDS | 559075 Jul 12, 2018 |
| Warning Letter — ARCO AM / PM | 559078 Jul 12, 2018 |
| Warning Letter — Food City | 559329 Jul 12, 2018 |
| Warning Letter — ARCO AM/PM | 559077 Jul 12, 2018 |
| Warning Letter — Circle K | 558642 Jul 5, 2018 |
| Warning Letter — SUN STOP LIQUOR | 558631 Jul 5, 2018 |
| Warning Letter — Conoco / Giant | 558797 Jul 5, 2018 |
| Warning Letter — Mobil Food Mart | 558638 Jul 5, 2018 |
| Warning Letter — Walgreens 02611 | 558861 Jul 5, 2018 |
| Warning Letter — Arco / Ampm | 558641 Jul 5, 2018 |
| Warning Letter — FRY'S FUEL CENTER | 558629 Jul 5, 2018 |
| Warning Letter — Walgreens 5221 | 558796 Jul 5, 2018 |
| Warning Letter — AniCell Biotech, LLC | 558559 Jul 3, 2018 |
| Warning Letter — Eric's Smoke | 558043 Jun 28, 2018 |
| Warning Letter — Chevron / 4 Sons | 558243 Jun 28, 2018 |
| Warning Letter — Spring Creek Store | 557547 Jun 21, 2018 |
| Warning Letter — M & M Smoke | 557546 Jun 21, 2018 |
| Warning Letter — SAFEWAY | 557643 Jun 21, 2018 |
| Warning Letter — Speed Mart/Chevron | 557383 Jun 21, 2018 |
| Warning Letter — Stag Tobacconists | 556695 Jun 14, 2018 |
| Warning Letter — SHELL | 557236 Jun 14, 2018 |
| Warning Letter — ROB'S SMOKE SHOP | 557235 Jun 14, 2018 |
| Warning Letter — Cave Creek Market / Shell | 556378 Jun 7, 2018 |
| Warning Letter — Safeway | 556379 Jun 7, 2018 |
| Warning Letter — 7-Eleven | 555230 May 24, 2018 |
| Warning Letter — Chevron | 555236 May 24, 2018 |
| Warning Letter — Family Dollar 6291 | 555231 May 24, 2018 |
| Warning Letter — Chevron / Cobblestone Auto Spa | 555235 May 24, 2018 |
| Warning Letter — DOLLAR CITY | 555421 May 24, 2018 |
| Warning Letter — Carniceria Y Panaderia Los Alamos | 555226 May 24, 2018 |
| Warning Letter — Circle K | 555212 May 24, 2018 |
| Warning Letter — Shell/General Store | 555233 May 24, 2018 |
| Warning Letter — Fry's Marketplace | 555170 May 24, 2018 |
| Warning Letter — FRY'S SIGNATURE | 555232 May 24, 2018 |
| Warning Letter — EZ Trip | 555228 May 24, 2018 |
| Warning Letter — 76/Quik Chek Market | 554615 May 17, 2018 |
| Warning Letter — Texaco/MI Quick Stop | 554616 May 17, 2018 |
| Warning Letter — Dollar General | 554613 May 17, 2018 |