Aijiren waxay bixisaa 40 mL oo nadiif ah oo ah vials chials oo loo xilsaaray wadarta kaarboon dabiiciga ah (toc vials). Waxaan bixinaa vials toc vials-ka oo ay ka kooban tahay wax ka yar 10 qaybood hal bilyan (PPB) iyo wax ka yar 20 qaybood hal bilyan (PPB) oo loogu isticmaalo arjiyada dawooyinka iyo biotchnology. Khadka tusaalaha kaydinta, oo sidoo kale loo yaqaan dhalada qudaarta kiimikada, ama dhalada baakadaha hoosaadka, ayaa ku habboon baakadaha dawooyinka-kala-sooca ee dawooyinka, isku diyaarinta abuurka, iyo alaabada kale, iyo soo-saarista alaabada muddada-dheer, waxay leeyihiin waxqabadyo aad u wanaagsan.