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publications > open file report > OFR-00-327 > table 5
Regional Geochemistry of Metals in Organic-Rich Sediments, Sawgrass and Surface Water, from Taylor Slough, Florida
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| Table 5.--Quality control for the cold vapor atomic absorption spectrometry analysis of mercury in organic-rich sediment material.
[--, not determined] |
| Laboratry number |
Job number |
Standard ref. material1 |
Certified value (ppm) |
Determined value (ppm) |
Standard ref. material2 |
Certified value (ppm) |
Determined value (ppm) |
| F-017055 |
WP48 |
SAR-M |
0.141 |
0.13 |
SRM 1572 |
0.08 |
0.085 |
| F-017060 |
WP49 |
SAR-M |
0.141 |
0.11 |
SRM 1572 |
0.08 |
0.085 |
| F-017074 |
WP50 |
SAR-M |
0.141 |
0.10 |
SRM 1572 |
0.08 |
0.085 |
| F-017084 |
WP51 |
SAR-M |
0.141 |
0.10 |
SRM 1572 |
0.08 |
0.11 |
| F-017096 |
WP52 |
SAR-M |
0.141 |
0.09 |
SRM 1572 |
0.08 |
0.11 |
| F-017108 |
WP53 |
SAR-M |
0.141 |
-- |
SRM 1572 |
0.08 |
0.11 |
| F-017121 |
WP54 |
SAR-M |
0.141 |
0.10 |
SRM 1572 |
0.08 |
0.11 |
1 Internal USGS blind standard reference material; Animas River sediment, moderately mineralized
2 National Bureau of Standards, 1983 (pine needles)
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