| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x7b1829355d00> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x7b18292bb440> |
| size_distributions | |
| id | 34 |
| matrix_id | 2 |
| particle_id | 2 |
| fractional_abundance | 0.25 |
| size_bin_min_nm | 50000.0 |
| size_bin_max_nm | 150000.0 |
| notes | PET fibres from processing equipment and environmental contamination. |