Overview of Vial/Stopper Combinations Tested in the Second Set of Experiments, Vials Identified after 14 Days Storage on Dry Ice with Depleted Headspace Oxygen Levels
| Set No. | Stoppers | Vials | No. of Vials from Total of 50 with O2 < 17% | ||
|---|---|---|---|---|---|
| Design | Size | Design | Size | ||
| 1 | SBB | NA | VNB | NA | 4 |
| 2 | SBB | NA | VBB | Small | 27 |
| 3 | SBB | NA | VBB | Large | 39 |
| 4 | SNB1 | Small | VNB | NA | 0 |
| 5 | SNB2 | NA | VBB | Large | 0 |
| 6 | SNB2 | NA | VNB | NA | 0 |
| 7 | SNB1 | Large | VBB | Small | 0 |
| 8 | SNB1 | Large | VNB | NA | 0 |
| 9 | SNB1 | Small | VBB | Large | 31 |
| 10 | SNB2 | NA | VBB | Small | 0 |
SNB1 = stopper non–blow back manufacturer 1, SNB2 = stopper non–blow back manufacturer 2, SBB = stopper blow back manufacturer 1, VBB = vial blow back, VNB = vial non–blow back.