Rice finding 1466
Source evidence and comparison details for the Rice profile.
Rice grain unspecified (Oryza sativa, market samples) · Lead (Pb) · 6 rice samples (three subsamples per plant from different outlets; 6 rice samples in Table 2).
Selected finding and reference
6 rice samples (three subsamples per plant from different outlets; 6 rice samples in Table 2). Basis: fresh weight (as stated in Table 2 caption).
N.D. used for non-detects elsewhere in table; rice value is detected; LOD not reported
HMI baseline position
Limited data: The source reports a non-detect without a numerical limit; its position cannot be identified. Missing evidence never means low contamination.
The source reports a non-detect without a numerical limit; its position cannot be identified.
Reference version and interpretation
Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.
No admitted reference
The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.
Collection period
Collection date unreported
No year-by-year sample register is reconstructed from this summary.
Geographic scope
Rice
Purchase or reporting market; growing origin not identified.
Sampling, analysis and reporting limits
oven-dried 70 C, dry ashed 550 C 8 h, ash dissolved in 2 M HCl, ICP-OES (Perkin Elmer Optima 7300 DV); 95% UCL on means via ProUCL 4.00.02.
N.D. used for non-detects elsewhere in table; rice value is detected; LOD not reported
Source inconsistency noted (does not affect this value): Table 2 is labelled mg/kg fresh weight but the methods describe oven-drying at 70 C to constant weight before dry ashing, so the basis is ambiguous; statistic is the 95% upper confidence limit on the mean (ProUCL), not the mean itself; no LOD, CRM or recovery reported. Authors compare to WHO/FAO Pb
Shared samples and study overlap
Subgroup rows, statistics of the same subgroup and the study total share samples; they are not independent results.
Each table row describes a food/analyte result. Repeated rows do not add independent samples or datasets. No cross-study trend is calculated in this comparison mode.
Reported values, conversion and source locator
| Source statistic | Original result | Displayed unit conversion |
|---|---|---|
| ucl95_mean | Rice 6 0.27 53.56 0.85 0.25 0.25 | mg/kg x 1000 |
Table 2 (95% UCL on mean, mg/kg fresh weight), row 'Rice' (accepted manuscript p. 23).
No moisture, cooking-yield or species conversion is applied to the original finding above. Any basis conversion used for its HMI comparison is stated separately with the numerical target.