| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x71ff907328d0> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x71ff90732e40> |
| size_distributions | (<app.db.schema.ParticleSizeDistribution object at 0x71ff90732000>) |
| id | 65 |
| matrix_id | 9 |
| particle_id | 2 |
| fractional_abundance | 0.15 |
| size_bin_min_nm | 50000.0 |
| size_bin_max_nm | 200000.0 |
| notes | PET fibres from processing equipment (conveyor belts, aprons). |