Table 3.
Secondary concentration recovery efficiencies.
| Site | n | Average % bRecovery Efficiency (SD) | ||||||
|---|---|---|---|---|---|---|---|---|
| ΦX174 | MS2 | Echovirus 1 | C. parvum | |||||
|
|
|
|
|
|||||
| Centricon | PEG | Centricon | PEG | Centricon | PEG | IMS | ||
| Chattahoochee river | 6 | 70 (27) | 88 (18) | 81 (16) | 69 (19) | 26 (28) | 52 (43) | 109 (56) |
| Murphy Candler | 5 | 67 (13) | 63 (14) | 81 (39) | 73 (12) | 30 (12) | 60 (41) | 87 (16) |
| Lawrenceville | 4 * | 80 (10) | 81 (11) | 93 (13) | 99 (28) | 56 (18) | 89 (22) | 85 (27) |
| Jefferson City | 4 * | 69 (6) | 72 (5) | 81 (8) | 75 (11) | 39 (19) | 220 (100) | 110 (47) |
| Lake Allatoona | 3 † | 64 (19) | 73 (20) | 55 (13) | 81 (9) | 31 (9) | 64 (21) | 48 |
|
| ||||||||
| Cross-site avg. | 70 (17) | 76 (16) | 79 (23) | 78 (19) | 35 (21) | 92 (80) | 95 (40) | |
Notes:
*
n = 3 for C. parvum;
†
n = 1 for C. parvum.