CHROMABOND kit for environmental analysis I consists of: each 10 columns of CHROMABOND HR-P material: PP, filling: 200 mg, volume: 3 mL CHROMABOND C18 ec material: PP, filling: 1000 mg, volume: 6 mL CHROMABOND C18 PAH material: PP, filling: 2000 mg, volume: 6 mL CHROMABOND CN/SIOH material: PP, filling: 500/1000 mg, volume: 6 mL CHROMABOND SA/SIOH material: PP, filling: 500/500 mg, volume: 3 mL