Biomonitoring results and cytogenetic markers for harbour workers over the course of the study
| No. of examination | BEI* | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
| *ACGIH, Documentation of the Biological Exposure Indices, 7th edition. American Conference of Governmental Industrial Hygienists, Cincinnati, OH, 2002. | |||||||||
| n | 100 | 98 | 95 | 95 | 95 | 94 | 83 | 82 | |
| Blood | |||||||||
| Lead (μg/l) | |||||||||
| Median | 61.0 | 54.1 | 48.6 | 58.6 | 47.2 | 49.8 | 45.9 | 41.0 | 300 |
| 25/75 | 45.0/74.5 | 39.6/71.1 | 36.6/65.8 | 45.7/73.2 | 33.4/61.0 | 37.7/67.0 | 33.9/64.7 | 28.9/52.9 | |
| Min/max | 7.5/118.1 | 10.6/179.1 | 5.0/136.6 | 12.9/174.1 | 5.0/95.4 | 15.2/116.0 | 5.0/172.8 | 5.0/111.8 | |
| Cadmium (μg/l) | |||||||||
| Median | 0.65 | 0.80 | 0.50 | 0.80 | 0.60 | 0.50 | 0.80 | 0.60 | 5 |
| 25/75 | 0.2/1.3 | 0.4/1.3 | 0.2/1.2 | 0.4/1.3 | 0.4/1.2 | 0.2/1.0 | 0.4/1.6 | 0.2/1.3 | |
| Min/max | 0.2/3.8 | 0.2/3.4 | 0.2/3.4 | 0.2/3.4 | 0.2/3.0 | 0.2/3.0 | 0.2/3.4 | 0.2/3.1 | |
| Mercury (μg/l) | |||||||||
| Median | 1.45 | 2.00 | 1.80 | 1.80 | 1.90 | 2.00 | 1.90 | 1.60 | 15 |
| 25/75 | 0.6/2.3 | 1.2/3.0 | 0.9/3.1 | 1.1/3.4 | 1.3/2.9 | 1.3/2.7 | 1.4/3.4 | 0.9/2.7 | |
| Min/max | 0.3/13.7 | 0.3/12.8 | 0.3/14.6 | 0.3/12.9 | 0.3/16.3 | 0.3/13.2 | 0.3/11.8 | 0.3/9.6 | |
| Micronuclei frequency (/500 cells) | |||||||||
| Median | 6.97 | 8.24 | 8.01 | 6.16 | 4.73 | 5.47 | 6.17 | 7.44 | − |
| 25/75 | 5.3/9.7 | 5.9/10.1 | 6.5/9.9 | 4.8/8.5 | 3.5/6.3 | 4.4/7.7 | 4.7/8.2 | 5.0/10.4 | |
| Min/max | 1.7/16.0 | 2.0/17.3 | 2.6/18.0 | 2.0/14.9 | 1.0/12.6 | 1.8/16.1 | 2.2/19.0 | 1.5/19.9 | |
| SCE rate (/cell) | |||||||||
| Median | 9.48 | 10.2 | 10.6 | 10.1 | 10.7 | 10.5 | 10.7 | 10.6 | − |
| 25/75 | 8.5/10.5 | 9.2/11.2 | 9.4/11.8 | 9.2/11.3 | 9.8/11.9 | 9.6/11.9 | 9.5/12.3 | 9.5/12.1 | |
| Min/max | 4.8/14.6 | 7.4/15.5 | 8.0/15.3 | 7.0/15.7 | 6.6/15.9 | 7.6/17.6 | 6.8/15.6 | 6.6/14.5 | |
| Urine | |||||||||
| Cadmium (μg/l) | |||||||||
| Median | 0.70 | 0.85 | 0.60 | 0.70 | 0.70 | 0.70 | 0.50 | 0.70 | [5 μg/g |
| 25/75 | 0.4/1.4 | 0.4/1.2 | 0.3/1.2 | 0.4/1.3 | 0.4/1.3 | 0.4/1.2 | 0.3/0.9 | 0.3/1.2 | creatinine] |
| Min/max | 0.1/4.2 | 0.1/4.3 | 0.1/3.2 | 0.1/3.3 | 0.1/3.6 | 0.1/2.6 | 0.1/3.6 | 0.1/3.3 | |
| Nickel (μg/l) | |||||||||
| Median | 1.10 | 0.90 | 1.00 | 1.00 | 1.00 | 0.60 | 1.00 | 0.90 | − |
| 25/75 | 0.7/1.8 | 0.4/1.5 | 0.6/1.5 | 0.7/1.5 | 0.6/1.3 | 0.4/1.0 | 0.6/1.7 | 0.5/1.5 | |
| Min/max | 0.1/8.1 | 0.1/5.7 | 0.1/4.3 | 0.1/11.9 | 0.1/4.7 | 0.1/4.4 | 0.2/6.9 | 0.1/4.8 | |
| Chromium (μg/l) | |||||||||
| Median | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | − | − | 25 |
| 25/75 | 0.3/0.3 | 0.3/0.3 | 0.3/0.3 | 0.3/0.7 | 0.3/0.3 | 0.3/0.6 | − | − | |
| Min/max | 0.3/2.0 | 0.3/1.4 | 0.3/3.4 | 0.3/4.1 | 0.3/2.6 | 0.3/1.8 | − | − | |
| Arsenic (μg/l) | |||||||||
| Median | 9.30 | 8.60 | 8.40 | 7.70 | 7.20 | 8.40 | 7.80 | 8.20 | 35 |
| 25/75 | 6.3/16.7 | 5.2/14.9 | 5.5/15.1 | 5.2/18.8 | 4.8/15.6 | 5.4/12.9 | 4.5/14. | 5.2/15.4 | |
| Min/max | 0.8/356.5 | 1.9/208.1 | 2.1/203.8 | 1.7/137.5 | 1.7/232.9 | 0.8/64.8 | 0.8/105.6 | 0.8/134.1 | |