EPA vials yog cov uas tau raws li qhov yuav tsum tau ua ntawm USA Envanumment Proionalt Center (EPA) rau kev sim cov kab mob uas muaj teeb meem rau cov dej lossis cov av.
ToC vials yog pre-huv cov thawv ntim ua los ntawm cov iav zoo borosilicate iav lossis lwm cov khoom siv inert. Lawv tshwj xeeb yog tsim kom muaj kev phom sij me me uas cuam tshuam nrog cov kev pheej hmoo, kom muaj cov organic impurities tsis sket cov organic impurities tsis skeet cov organic impurities tsis sken cov toc nyeem.
Tsim los rau precision Labs, 24-400 ntsia hlau caj dab vials ntsib EPA thiab TEC cov qauv tshuaj xyuas thiab ntev ntev.
