Table A1.
Overall recovery efficiencies for microbes undergoing secondary concentration.
| Site | n | Overall % Recovery Efficiency (SD) | ||||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| ΦX174 | MS2 | Echovirus 1 | C. parvum | |||||
|
|
|
|
|
|||||
| Centricon | PEG | Centricon | PEG | Centricon | PEG | IMS | ||
| Chattahoochee river | 6 | 41 (21) | 49 (14) | 69 (19) | 66 (36) | 17 (17) | 34 (28) | 82 (43) |
| Murphy Candler | 5 | 50 (14) | 46 (12) | 56 (33) | 44 (16) | 15 (7) | 32 (26) | 60 (21) |
| Lawrenceville | 4 * | 80 (24) | 83 (28) | 77 (13) | 80 (7) | 60 (13) | 100 (21) | 117 (43) |
| Jefferson City | 4 † | 73 (20) | 76 (21) | 62 (8) | 58 (9) | 15 (7) | 77 (21) | 109 (12) |
| Lake Allatoona | 3 ‡ | 53 (23) | 61 (29) | 27 (4) | 42 (13) | 15 (8) | 30 (9) | 47 |
|
| ||||||||
| Cross-site avg. | 58 (24) | 61 (23) | 61 (24) | 59 (24) | 22 (19) | 51 (35) | 84 (38) | |
Notes:
*
n = 3 for C. parvum and Echovirus 1;
†
n = 1 for C. parvum;
‡
n = 3 for C. parvum.