TABLE 2.
Pasteurized milk chill chain variables used as model inputs
| Variable | Description | Units | Distributional assumption(s) |
|---|---|---|---|
| TT | Temp during transportation to retail | °C | Normal (6.66; 1.64) |
| tT | Transportation time | h | Weibull (1.98; 4.33; shift [0.096]) |
| TR | Retail storage temp | °C | Normal (4.98; 2.9) |
| tR | Retail storage time | h | Log normal (20; 20; truncate [96]) |
| PD | Position in domestic refrigerator | Discrete (1\2\3\4; 0.25\0.19\0.05\0.51)a | |
| TD-U | Domestic storage temp (upper shelf) | °C | Normal (7.57; 2.95) |
| TD-M | Domestic storage temp (middle shelf) | °C | Normal (6.31; 2.66) |
| TD-L | Domestic storage temp (lower shelf) | °C | Normal (6.69; 3.29) |
| TD-D | Domestic storage temp (door shelf) | °C | Normal (8.40; 3.00) |
| tD | Domestic storage time | h | Cumulative (0; 120; 0\24\48\72\96\120; 0\0.23\0.74\0.96\0.98\1; truncate [120-tT-tR]) |
a
Values are for the upper, middle, lower, and door shelves, respectively.