| Column | Value |
|---|---|
| matrix | <app.db.schema.ExposureMatrix object at 0x71ff9060b050> |
| particle | <app.db.schema.ParticleCharacterisation object at 0x71ff9060b410> |
| size_distributions | (<app.db.schema.ParticleSizeDistribution object at 0x71ff90609010>) |
| id | 15 |
| matrix_id | 4 |
| particle_id | 11 |
| fractional_abundance | 0.15 |
| size_bin_min_nm | 50.0 |
| size_bin_max_nm | 100.0 |
| notes | Upper ultrafine boundary. |