TABLE 4.
Samples investigated during the survey and presumptive results by RT-PCR
| Brand code | Sample type (vol)a | Origin | No. of wk sampledb | Sample no.c | No. of presumptive PCR results
|
|
|---|---|---|---|---|---|---|
| GI | GII | |||||
| Long-term survey (4 brands) | ||||||
| E | FP/still | Europe | 30 | 33 | 2 | 1 |
| E-3 | SP/still | Europe | 14 | 14 | 0 | 1 |
| S | FP/carb. | Europe | 40 | 49 | 2 | 0 |
| S-2 | SP/carb. | Europe | 36 | 43 | 0 | 1 |
| S-3 | SP/still | Europe | 37 | 44 | 0 | 1 |
| S-4 | SP/still | Europe | 39 | 46 | 1 | 1 |
| S-5 | LS/still | Europe | 42 | 52 | 2 | 3 |
| S-6 | LS/still | Europe | 42 | 52 | 2 | 2 |
| S-7 | Swabs | Europe | 6 | 6 | 0 | 0 |
| S-8 | Swabs | Europe | 6 | 6 | 0 | 0 |
| S-9 | Swabs | Europe | 6 | 6 | 1 | 0 |
| S-10 | Swabs | Europe | 6 | 6 | 0 | 0 |
| S-11 | Swabs | Europe | 6 | 6 | 1 | 0 |
| S-12 | Swabs | Europe | 6 | 6 | 0 | 0 |
| S-13 | Swabs | Europe | 6 | 6 | 0 | 0 |
| S-14 | Swabs | Europe | 6 | 6 | 0 | 0 |
| X | FP/carb. | Europe | 50 | 55 | 2 | 2 |
| X-4 | SP/carb. | Europe | 12 | 12 | 0 | 2 |
| AF | FP/still | Europe | 24 | 30 | 0 | 2 |
| AF-3 | SP/still | Europe | 17 | 19 | 0 | 3 |
| AF-4 | LS/still | Europe | 6 | 6 | 0 | 0 |
| AF-5 | LS/still | Europe | 6 | 6 | 0 | 0 |
| Subtotal | 509 | 13 | 19 | |||
| Short-term survey (32 brands) | ||||||
| A | FP/still | Europe | 6 | 8 | 0 | 0 |
| B | FP/still | Africa | 4 | 5 | 0 | 0 |
| C | FP/carb. | Europe | 4 | 4 | 0 | 0 |
| D | FP/carb. | Europe | 4 | 5 | 0 | 0 |
| F | FP/still | S. America | 5 | 5 | 0 | 0 |
| F-2 | SP/still | S. America | 3 | 3 | 0 | 0 |
| F-3 | LS/still | S. America | 6 | 6 | 0 | 0 |
| G | FP/still | Asia | 4 | 4 | 0 | 0 |
| H | FP/carb. | Europe | 4 | 4 | 0 | 0 |
| I | FP/still | Europe | 8 | 10 | 0 | 0 |
| J | FP/still | Asia | 4 | 5 | 0 | 0 |
| K | FP/still | Asia | 4 | 8 | 0 | 0 |
| L | FP/still | Europe | 4 | 5 | 0 | 0 |
| M | FP/still | Asia | 4 | 4 | 0 | 0 |
| N | FP/still | Europe | 5 | 6 | 0 | 0 |
| O | FP/still | Asia | 5 | 5 | 0 | 0 |
| P | FP/still | Asia | 3 | 4 | 0 | 0 |
| Q | FP/still | N. America | 2 | 2 | 0 | 0 |
| R | FP/still | Europe | 7 | 9 | 0 | 0 |
| T | FP/still | S. America | 4 | 6 | 0 | 0 |
| U | FP/still | N. America | 1 | 1 | 0 | 0 |
| V | FP/still | S. America | 2 | 2 | 0 | 0 |
| W | FP/still | Europe | 4 | 6 | 0 | 0 |
| Y | FP/still | N. America | 5 | 7 | 0 | 0 |
| Z | FP/still | S. America | 4 | 5 | 0 | 0 |
| AA | FP/carb. | Europe | 6 | 9 | 1 | 0 |
| AB | FP/still | Europe | 4 | 5 | 0 | 0 |
| AC | FP/still | Europe | 3 | 6 | 0 | 0 |
| AD | FP/carb. | Europe | 3 | 5 | 0 | 0 |
| AE | FP/still | Europe | 5 | 7 | 0 | 0 |
| AG | FP/still | Europe | 9 | 11 | 0 | 0 |
| AH | FP/still | N. America | 7 | 7 | 0 | 0 |
| Subtotal | 179 | 1 | 0/PICK> | |||
| Samples of larger volume | ||||||
| E-2 | FP/still (10 liters) | Europe | 14 | 14 | 1 | 0 |
| X-2 | FP/carb. (10 liters) | Europe | 14 | 14 | 1 | 0 |
| X-3 | FP/carb. (400 liters) | Europe | 1 | 1 | 0 | 0 |
| AF-2 | FP/still (500 liters) | Europe | 1 | 1 | 0 | 0 |
| Subtotal | 30 | 2 | 0 | |||
| Total | 718 | 16 | 19 | |||
a
FP, finished product; SP, spring; LS, line sample; carb., carbonated. The volume of a sample is indicated in parentheses if different from 1 to 1.5 liters.
b
Number of independent weeks sampled for a given brand or type of water.
c
Sample numbers greater than week numbers indicate that some experiments were performed in duplicate.