“… Class | Name | Drinking water EPA maximum contaminant level goal (mg/L) [1] | Surface water EPA maximum recommended level (µg/L) [3] | Analytical technique | Ref. |
Hydrocarbons | Benzene | 0 | 16–58 | Solid phase microextraction technique followed by GC-MS | [4] |
Toluene | 1 | 520 | Solid phase microextraction technique followed by GC-MS | [4] |
Xylenes | 10 | | Solid phase microextraction technique followed by GC-MS | [4] |
Polycyclic aromatic hydrocarbons | 0 | | Solid phase microextraction technique followed by GC-MS | [4] |
Alachlor | 0.002 | | GC-MS | [5] |
Atrazine | 0.003 | | Oxidized buckypaper (BP) as a sorbent membrane of a stir-disc solid phase extraction module | [9 , 10] |
Ethylbenzene | 0.7 | | Solid phase microextraction technique followed by Gas Chromatography mass spectrometry (GS-MS) | |
Pesticides | Carbofuran | 0.04 | | 1- LLE and a TPI on-column GC/MS method 2- LC 3- LC–MS with electrospray ionization (ESI) 4- Reversed phase liquid chromatography (RP-HPLC) | [6 , [14] , [15] , [16] |
2,4-D | 0.07 | 12,000 | 1- HPLC 2- Reversed phase liquid chromatography (RP-HPLC) | [16] , [17] , [18] , [19] , [20] |
Dalapon | 0.2 ... |
…”