Table 2.
Analyte | Previously Reported LOD10 (μg/g tobacco) | Present Method LOD (μg/g tobacco) | Present Method LRL (μg/g tobacco) |
---|---|---|---|
As | 0.082 | 0.024 | 0.050* |
Be | 0.0028 | 0.0030 | 0.0050* |
Cd | 0.23 | 0.016 | 0.50* |
Co | 0.05 | 0.018 | 0.100* |
Cr | 0.16 | 0.088 | 0.20* |
Mn | 13 | 2.85 | 20.0* |
Ni | 0.14 | 0.217 | 0.50* |
Pb | 0.16 | 0.012 | 0.20* |
Se | 0.69 | 0.019 | 0.050* |
U | ND | 0.0022 | 0.010* |
The LRLs for these analytes are significantly higher than the LODs, because the lowest standard concentrations were higher and were used as the LRLs.
ND = Not Determined