Table 6.
Comparison of concentrations measured using LC/MS/MS and HPLC/FD for selected water, fish, and aquatic plant samples (water concentrations in µg/L, fish and aquatic plants (in µg/g)).
| Reservoir | Sample Type | HPLC/FD | LC/MS/MS | |||||
|---|---|---|---|---|---|---|---|---|
| Year | BMAA | DABA | Anatoxin-a | BMAA | DABA | Anatoxin-a | ||
| Holmes | Water | 2009 | 6.0 | 6.9 | 5.0 | 15.6 | 18.4 | 19.7 |
| Kirkman’s Cove | Water | 2009 | 2.1 | 3.9 | 35 | 6.52 | 10.8 | 35.7 |
| Pawnee | Water | 2009 | 11.3 | 12.7 | 14.4 | 39.6 | 37.0 | 29.8 |
| Conestoga | Water | 2010 | ND | ND | ND | ND | ND | ND |
| Willow Creek | Water | 2010 | 12.6 | 21.14 | 16.1 | 23.6 | 32.3 | 30.1 |
| Rockford | Water | 2009 | 24.5 | 13.2 | 8.4 | 27.5 | 30.0 | 33.2 |
| Swan Creek | Water | 2009 | 1.8 | 3.0 | 1.2 | 10.9 | 18.9 | 5.2 |
| Pawnee | Water | 2010 | 4.2 | ND | 3.04 | 5.01 | ND | 13.5 |
| Kirkman’s Cove | Water | 2010 | 25.3 | 14.7 | 6.0 | 29.0 | 35.1 | 18.6 |
| Rockford | Water | 2010 | 18.3 | 13.6 | 4.8 | 24.0 | 33.1 | 22.6 |
| Swan Creek | Plant/free | 2010 | 2.61 | 1.96 | 0.38 | 2.38 | 1.28 | 0.711 |
| Pawnee | Plant/free | 2010 | 3.51 | ND | 0.36 | 3.41 | ND | 1.45 |
| Pawnee | Plant/bound | 2010 | 6.56 | 2.11 | 2.47 | 19.0 | 1.85 | 3.23 |
| Holmes | Plant/bound | 2010 | 4.5 | 1.61 | 4.44 | 2.69 | 1.09 | 7.92 |
| Kirkman’s Cove | Plant/bound | 2009 | 12.7 | 2.59 | 8.05 | 15.25 | 11.7 | 10.18 |
| Conestoga | Plant/bound | 2010 | ND | ND | ND | ND | ND | ND |
| Wagon Train | Fish/bound | 2009 | ND | ND | ND | ND | ND | ND |
| Wagon Train | Fish/bound | 2009 | ND | ND | ND | ND | ND | ND |
| Pawnee | Fish/bound | 2009 | 0.196 | ND | ND | 0.18 | ND | ND |
| Rockford | Fish/bound | 2009 | 0.32 | 0.28 | ND | ND | ND | ND |
| Rockford | Fish/free | 2009 | 0.254 | ND | ND | 0.55 | ND | ND |
| Rockford | Fish/bound | 2010 | 2.57 | 1.53 | ND | 4.13 | 5.07 | ND |
| Kirkman’s Cove | Fish/free | 2010 | 0.102 | 0.158 | ND | 0.23 | 0.21 | ND |