20 mL EPA\/TOC linkho tse tloaelehileng tsa sampole tse kopantsoeng esale pele ka PTFE\/silicone composite septa. E fumaneha ka khalase e hlakileng kapa ea amber; mefuta e khethiloeng e kenyelletsa likatiba tsa lerōle ho thusa ho fokotsa tšilafalo ea kantle, ho fana ka tiiso e tšepahalang bakeng sa tlhahlobo e phahameng ea bohloeki ba organic carbon.