I-AIJIREN inikeza ama-vials ahlanza ama-40 ML ahlanziwe aqinisekiswe ngenani le-organic carbon (toc vials). Sinikeza ukuqinisekiswa kwe-toc Ama-vials wesitoreji esiyisibonelo, esaziwa ngokuthi amabhodlela okugcina amakhemikhali, noma amabhodlela okufaka amakhemikhali, alungele ukupakishwa okungaphansi kwemikhakha ehlukahlukene yezemithi, ama-biological angezwa, neminye imikhiqizo, efanelekile ukugcinwa okuhle kakhulu kwemikhiqizo.
