| Heavy metals Sample | Al | As | B | Ba | Co | Cr | Cu | Fe | Mn | Ni | Pb | Te | Ti | V |
| Permitted conc. (ppm) | 5 | 0.002 | - | 1.2 | 0.02 | 0.250 | 4 | 40 | 1.8 | 0.14 | 0.010 | - | - | 0.01 |
| Paper Plate | 59.204 ± 0.160 | 0.109 ± 0.012 | 0.008 ± 0.001 | 0.687 ± 0.001 | 0.024 ± 0.001 | 0.602 ± 0.008 | 0.545 ± 0.001 | 15.919 ± 0.036 | 0.547 ± 0.001 | 0.089 ± 0.005 | 0.388 ± 0.007 | 0.012 ± 0.005 | 0.007 ± 0.068 | 0.373 ± 0.001 |
| Cake Box | 32.063 ± 0.035 | 0.008 ± 0.012 | 0.012 ± 0.000 | 0.379 ± 0.000 | Nd | 0.159 ± 0.007 | 0.677 ± 0.001 | 11.847 ± 0.012 | 0.272 ± 0.000 | 0.027 ± 0.004 | 0.111 ± 0.003 | 0.011 ± 0.008 | Nd | 0.269 ± 0.000 |
| Fruit Tray | 22.738 ± 0.049 | Nd | Nd | 0.284 ± 0.000 | Nd | 0.237 ± 0.004 | 0.790 ± 0.000 | 5.910 ± 0.003 | 0.322 ± 0.000 | 0.008 ± 0.001 | 0.112 ± 0.005 | 0.012 ± 0.005 | Nd | 0.127 ± 0.000 |
| Tissue Paper | 11.763 ± 0.018 | Nd | Nd | 0.568 ± 0.000 | Nd | 0.118 ± 0.001 | 0.045 ± 0.000 | 0.418 ± 0.002 | Nd | Nd | Nd | 0.009 ± 0.007 | Nd | 0.032 ± 0.000 |
| Coffee Cup | 86.092 ± 0.458 | 0.191 ± 0.008 | 0.008 ± 0.003 | 0.271 ± 0.001 | 0.053 ± 0.000 | 1.829 ± 0.173 | 0.214 ± 0.001 | 4.667 ± 0.024 | 0.333 ± 0.001 | 0.078 ± 0.010 | 0.061 ± 0.004 | Nd | Nd | 0.404 ± 0.002 |
| Pastry Box | 13.175 ± 0.107 | Nd | Nd | 1.118 ± 0.005 | Nd | 2.174 ± 0.091 | 0.511 ± 0.002 | 5.046 ± 0.018 | 0.311 ± 0.001 | 0.033 ± 0.004 | Nd | 0.007 ± 0.007 | Nd | 0.227 ± 0.000 |
| Sweet Box | 46.644 ± 0.087 | 0.081 ± 0.017 | Nd | 0.265 ± 0.000 | Nd | 0.255 ± 0.012 | 0.452 ± 0.002 | 8.704 ± 0.032 | 0.208 ± 0.000 | 0.100 ± 0.000 | 0.232 ± 0.001 | Nd | Nd | 0.220 ± 0.001 |
| Pizza Box | 102.722 ± 0.264 | 0.300 ± 0.024 | 0.015 ± 0.000 | 0.832 ± 0.002 | Nd | 0.452 ± 0.005 | 0.832 ± 0.002 | 37.209 ± 0.101 | 0.439 ± 0.001 | 0.196 ± 0.004 | 0.339 ± 0.002 | 0.005 ± 0.008 | Nd | 0.547 ± 0.001 |
| French Fries Box | 33.950 ± 0.114 | 0.028 ± 0.010 | 0.035 ± 0.000 | 0.289 ± 0.001 | Nd | 0.092 ± 0.003 | 0.543 ± 0.002 | 7.657 ± 0.029 | 0.285 ± 0.001 | 0.079 ± 0.002 | 0.083 ± 0.003 | 0.004 ± 0.002 | Nd | 0.152 ± 0.000 |
| Paper Bag | 46.998 ± 0.064 | 0.097 ± 0.018 | Nd | 0.281 ± 0.000 | Nd | 0.026 ± 0.001 | 0.328 ± 0.000 | 4.038 ± 0.010 | 0.237 ± 0.000 | 0.095 ± 0.001 | 0.051 ± 0.004 | Nd | 0.153 ± 0.073 | 0.232 ± 0.000 |