Bishii Abriil, in kasta oo mustaqbalka saliida caymiska caalamiga ahi ay sii kordhayaan, laakiin silsiladda warshadaha-caagga ah iyo alaabada ceyriinka ah ee laxiriira inta badan waxay hoos u dhacdaa laba waji, marka hore, sheyga ceyriinka ah ee 'rettyl octyl', paw Awydydrid, sida qiimayaasha suuqa ayaa hoos u dhaca, taageerada kharashka balastarizer. Marka labaad, shirkadaha yar yar iyo kuwa dhexdhexaadka ah qaarkood ayaa ku xadidan bilaabida dhismaha, celcelis ahaan culeyska warshadaha PVC-ka ee PVC-ka kaliya waxay u baahan yihiin inay noqdaan kuwa ka jira shixnadaha gaagaaban, marka laga reebo marka laga reebo waqtiga ganacsiga.
Dhinaca baahida, ma jiro koror muuqda oo ku saabsan rarkii shirkadda ee shirkadda PVC ee hoos udhaca, ma jiraan wax horumar ah oo suuqa ah, ama inta lagu gudajiro macnaha guud ee xaalada, ama suuqa ugu horreeya ee ka-hortagga 'phthalic andhydride andthalic andthalic andthalic', halka taageerada khaaska ah ee balainizer ay tahay In aan ku filnayn {{2} sanadkii labaad ee sanadka, in kasta oo suuqa 'phthalic andydride' ayaa la filayaa inuu dib u soo celiyo heer hoose, iyo isbedelka sare ee Mist, iyo DBP, oo hoos udhaca ah waa inuu fiiro gaar ah u yeeshaa qiimaha sheyga cayriin {{3}