| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x71ff90720860> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x71ff906d5b80> |
| size_distributions | (<app.db.schema.ParticleSizeDistribution object at 0x71ff906d7f50>) |
| id | 60 |
| matrix_id | 9 |
| particle_id | 17 |
| fractional_abundance | 0.1 |
| size_bin_min_nm | 1.0 |
| size_bin_max_nm | 50.0 |
| notes | PE ultrafine fragments from cling-film and bag degradation. |