|   类别  |       TPH-Arom  |       TPH-Aliph  |    ||||||
|   分段  |       C10-C12  |       C13-C16  |       C17-C21  |       C22-C40  |       C10-C12  |       C13-C16  |       C17-C21  |       C22-C40  |    
|   浓度(mg/kg)  |       ND  |       ND  |       41  |       427  |       ND  |       391  |       2447  |       12033  |