Table 4 List of input data for the evaluation of exposure and risk (Eqs. (1) to (4)).
Input parameter(s) | Abbreviation | Value | Unit(s) | References | |
|---|---|---|---|---|---|
Estimated daily intake | EDI | – | mg (kg BW)−1d−1 | ||
Concentration | C | – | mg kg−1 | ||
Body weight (adult; European default value) | BW | 70 | kg | ||
Ingestion/intake rate | IR | Low | 0.0002 | kg day−1 | |
High | 0.2 | ||||
Exposure frequency | EF | 90 | days | ||
Exposure duration | ED (shorter-than-lifetime) | 20 | years | ||
ED (average lifetime) | 70 | years | |||
Transfer rate (metal) | t | Cd Cu Pb | 14 | % | |
Hg | 24 | ||||
All other elements | 10 | ||||
Average exposure time (average lifetime (ED) = 365 days × 70 years) | AT | 25,550 | days | ||
Reference dose (oral) | RfD | Cd (1.00 × 10–3) Cr (3.00 × 10–3) Cu (4.00 × 10–2) Mn (4.6 × 10–2) Ni (2.00 × 10–2) Pb (3.50 × 10–3) | mg kg−1 day−1 | ||
Oral carcinogenic slope factor (SF) | SF | Cd (0.38) Cr (0.5) Pb (8.5 × 10–3) Ni (0.84) | mg kg−1 day−1 | ||