AQSh. Atrof-muhitni muhofaza qilish agentligi (EPA) hozirda butadien va saraton o'rtasidagi bog'liqlik bo'yicha tekshiruv olib bormoqda.
Qo'shimcha, EPK benzolning tarqalishini tartibga solish rejasi loyihasini ishlab chiqdi, kanserogen sifatida aniqlangan. The agency asserts that substantial data exist demonstrating that butadien, along with its synthetic rubber manufacturing process, significantly endangers human health.