Review of Trace Element Blank and Replicate Data Collected in Ground and Surface Water for the National Water-Quality Assessment Program, 1991–2002
By
Lori E. Apodaca1, David K. Mueller2 and Michael T. Koterba3
Table 3
Number of trace element ground-water and surface-water replicate sample sets and number of consistent detections within the replicate sets.
[—, no data]
| Analytes | Number of replicate sample sets collected | Consistent detections (analyzed) | Number of replicate sample sets collected | Consistent detections (analyzed) |
|---|
| | Ground water | Surface water |
|---|
| Aluminum | 278 | 147 | 154 | 127 |
| Antimony | 350 | 41 | 113 | 8 |
| Arsenic | 369 | 202 | 125 | 60 |
| Barium | 276 | 272 | 119 | 119 |
| Beryllium | 348 | 7 | 118 | 1 |
| Boron | 143 | 128 | 95 | 83 |
| Cadmium | 275 | 28 | 123 | 16 |
| Chromium | 272 | 149 | 120 | 33 |
| Cobalt | 276 | 85 | 119 | 9 |
| Copper | 276 | 149 | 126 | 91 |
| Iron | 564 | 302 | 543 | 453 |
| Lead | 348 | 55 | 129 | 11 |
| Lithium | 108 | 99 | 45 | 25 |
| Manganese | 700 | 453 | 295 | 258 |
| Molybdenum | 348 | 206 | 130 | 77 |
| Nickel | 276 | 157 | 121 | 70 |
| Radon | 343 | 336 | — | — |
| Selenium | 350 | 112 | 156 | 58 |
| Silver | 345 | 0 | 123 | 1 |
| Strontium | 143 | 143 | 74 | 74 |
| Thallium | 102 | 8 | 13 | 1 |
| Uranium | 388 | 198 | 116 | 64 |
| Vanadium | 111 | 64 | 45 | 15 |
| Zinc | 276 | 180 | 126 | 85 |