Table 1.
Sample Categorization and Characteristics
| Group # | Sample Category (Total Sample #) | Types of Sample & Number Collected | Sampling Area |
| Group A | Solid tannery waste (30) | Raw skin (3) | Sonatinagar and Hazaribagh |
| Raw skin after tanning (3) | |||
| De-haired skin (3) | |||
| Unprocessed leather (3) | |||
| Shaving dust (3) | |||
| Shaving dust (treated) (3) | |||
| Shaving dust (boiled) (3) | |||
| Shaving dust (boiled & dried) (3) | |||
| Shaving dust powder (colorless) (3) | |||
| Shaving dust powder (colored) (3) | |||
| Group B | Protein concentrate (12) | Open preparation-I (small scale) (3) | Sonatinagar |
| Local mill (3) | Hazaribagh | ||
| Multi-national (3) | Nimtoli | ||
| Foreign-owned (3) | |||
| Group D | Poultry feed (18) | Feed for broiler poultry (6) | Hazaribagh |
| Feed for Deshi poultry (6) | Hatirpool | ||
| Feed for both types (6) | Rayerbazar | ||
| Group E | Poultry Sample (18) | Poultry Sample—Broiler | Hatirpool Bazar |
| PSB-1 (6) | Rayer Bazar | ||
| Poultry Sample—Deshi | Khilga Bazar | ||
| PSD-1 (6) | Karwan Bazar | ||
| Poultry Sample—Tannery Area | Sonatinagar | ||
| Chicken (free ranging) (6) | Hazaribagh |