| Warning Letter — Ortons / Cenex | 494957 Apr 21, 2016 |
| Warning Letter — Casey's General Store | 494757 Apr 21, 2016 |
| Warning Letter — Teals Market | 494781 Apr 21, 2016 |
| Warning Letter — JB Off-Sale Liquor | 494411 Apr 14, 2016 |
| Warning Letter — Mounds Park Market | 494251 Apr 14, 2016 |
| Warning Letter — Phoenix Market | 494252 Apr 14, 2016 |
| Warning Letter — AM Maus & Son | 494414 Apr 14, 2016 |
| Warning Letter — Country Store & Deli | 494412 Apr 14, 2016 |
| Warning Letter — Sinclair | 494026 Apr 7, 2016 |
| Warning Letter — Quillin's | 493907 Apr 7, 2016 |
| Warning Letter — BP | 493981 Apr 7, 2016 |
| Warning Letter — Schwagel Store | 494004 Apr 7, 2016 |
| Warning Letter — Walgreens #6995 | 493976 Apr 7, 2016 |
| Warning Letter — Express Lane / BP | 493545 Mar 31, 2016 |
| Warning Letter — Casey's General Store | 493559 Mar 31, 2016 |
| Warning Letter — Friends Bar & Restaurant | 493584 Mar 31, 2016 |
| Warning Letter — Tom's Market | 493570 Mar 31, 2016 |
| Warning Letter — Casey's General Store | 493651 Mar 31, 2016 |
| Warning Letter — Morris Food Shop/Shell | 493618 Mar 31, 2016 |
| Warning Letter — Tesoro | 493237 Mar 24, 2016 |
| Warning Letter — Cenex | 493260 Mar 24, 2016 |
| Warning Letter — Walgreens #5081 | 492918 Mar 24, 2016 |
| Warning Letter — Lucky's Station | 493172 Mar 24, 2016 |
| Warning Letter — Casey's General Store | 493020 Mar 24, 2016 |
| Warning Letter — Kwik Trip | 492987 Mar 24, 2016 |
| Warning Letter — Blazer Express | 493018 Mar 24, 2016 |
| Warning Letter — Liquor Barrel | 492359 Mar 17, 2016 |
| Warning Letter — Old Colony | 492635 Mar 17, 2016 |
| Warning Letter — Kuik-E-Mart | 492358 Mar 17, 2016 |
| Warning Letter — White Pine's General Store / Smokey's | 492000 Mar 10, 2016 |
| Warning Letter — Freedom Valu Center | 491693 Mar 10, 2016 |
| Warning Letter — SuperAmerica | 491588 Mar 10, 2016 |
| Warning Letter — Sauk Centre Gas Mart | 491586 Mar 10, 2016 |
| Warning Letter — Speedway | 491736 Mar 10, 2016 |
| Warning Letter — Cenex | 491869 Mar 10, 2016 |
| Warning Letter — West Central C-Store/Cenex | 491823 Mar 10, 2016 |
| Warning Letter — Brady's Service Center/Cenex | 491151 Mar 3, 2016 |
| Warning Letter — Golden Leaf | 491390 Mar 3, 2016 |
| Warning Letter — ALV Supplement Direct | 471165 Mar 3, 2016 |
| Warning Letter — Kum & Go | 491047 Mar 3, 2016 |
| Warning Letter — Oasis C-Store/Cenex | 491088 Mar 3, 2016 |
| Warning Letter — Oasis C-Store/Tesoro | 491003 Mar 3, 2016 |
| Warning Letter — Las Petacas Luggage And Market | 491361 Mar 3, 2016 |
| Warning Letter — Kirk's Super Stop | 491386 Mar 3, 2016 |
| Warning Letter — Winner Gas | 491218 Mar 3, 2016 |
| Warning Letter — Petro Serve USA/Tesoro | 491087 Mar 3, 2016 |
| Warning Letter — Walgreens #12509 | 491127 Mar 3, 2016 |
| Warning Letter — Casey's General Stores | 491397 Mar 3, 2016 |
| Warning Letter — Walgreens #7188 | 490214 Feb 25, 2016 |
| Warning Letter — Cash Wise Food & Drug | 490196 Feb 25, 2016 |