Is rubberwood used for butcherblock ever pressure treated with borate or boric acid?

My builder is installing a rubberwood countertop for me.  Do you know if rubberwood used as countertop wood has been pressure-treated with borate or boric acid?  (I’ve read that typically… My builder is installing a rubberwood countertop for me.  Do you know if rubberwood used as countertop wood has been pressure-treated with borate or boric acid?  (I’ve read that typically…Read MoreGreenBuildingAdvisor