| 金属种类 | 样品测量值(mg/kg) | 标准等级 | 标准值(mg/kg) | 
| Pb | 390.6 | A | <300 | 
| 
 | 
 | B | <1000 | 
| Cd | 486.5 | A | <3 | 
| 
 | 
 | B | <15 | 
| Zn | 2606.8 | A | <1200 | 
| 
 | 
 | B | <3000 | 
| Cu | 1946.7 | A | <500 | 
| 
 | 
 | B | <1500 |