Aijiren flat bottomed EPA mabhodhoro anowanikwa ari 40 saizi, akakodzera mvura kana ivhu samples. Iwo akagadzirwa ne(anopihwa mu) kemikari inert Type I borosilicate girazi, mune yakajeka kana amber yemasampuli anonzwisa tsitsi. Iwo 40 mL mabhodhoro anopiwa akajeka (Type 1, 33 kuwedzera) uye amber Type 1, 51 kuwedzera) borosilicate girazi. Iwo anowanikwa mune maviri saizi, 27.5 x 95mm kana 29 x 82mm uye akaputirwa zana mabhodhoro pabhokisi.