Contamination Factor (CF), Pollution Load Index (PLI) & Metal Pollution Index (MPI)
PLI, MPI and RI use the complete mapped element panel; missing data are never silently dropped. PLI/MPI with measured zero are undefined under this calculator's strict-positive convention. Censored values are retained but not automatically substituted.
1Sample Data
Drop CSV/TSV file here or
Columns = metals, rows = samples. First row should be headers (metal names like Pb, Cd, Zn). First column can optionally be sample IDs. Use "X" to skip a value.
Or paste from Excel