TABLE 2.
Residual BC concentrations in a produce processing facility
| Sample locationa | BC concn (μg/mL) onb: |
|||||
|---|---|---|---|---|---|---|
| Day 1 |
Day 2 |
Day 3 |
||||
| Postapplication | Postrinse | Postapplication | Postrinse | Postapplication | Postrinse | |
| Cart (bottom shelf, PR) | ND/ND | ND/ND | ND/ND | ND/ND | 200/70 | ND/ND |
| Packing machine (PR) | 30/20 | ND/ND | 190/180 | ND/ND | 130/140 | ND/ND |
| Line 1 conveyor belt (PR) | 300/300 | ND/ND | 180/190 | ND/ND | 230/230 | ND/ND |
| Floor drain (PR) | 150/130 | ND/ND | 200/130 | ND/ND | 140/200 | ND/ND |
| Line 2 small conveyor belt (PR) | 230/250 | ND/ND | 300/290 | ND/ND | 300/240 | ND/ND |
| Line 2 inclined conveyor belt (RR) | 270/270 | ND/ND | 240/250 | ND/ND | 310/290 | ND/ND |
| Line 2 sorting machine (RR) | 170/160 | ND/ND | 370/380 | ND/ND | 280/270 | ND/ND |
| Line 1 inclined conveyor belt (RR) | 260/260 | ND/ND | 340/350 | ND/ND | 300/140 | ND/ND |
| Line 2 large conveyor belt (PR) | 190/200 | ND/ND | 210/200 | ND/ND | 150/140 | ND/ND |
| Line 1 processing machine (PR) | 60/70 | ND/ND | 240/270 | ND/ND | 270/260 | ND/ND |
a
PR, processing room; RR, raw product room.
b
Results are shown for replicate 1/replicate 2. ND, not detected (under 10 μg/mL).