english: While a great many efforts have gone into reducing and eliminating these exposures, concerns continue, particularly because we now recognize that adverse effects can occur at exceptionally low levels.
non_english: Walaupun berbagai macam usaha telah dilakukan demi mengurangi dan menghilangkan berbagai paparan zat berbahaya tersebut, namun kekhawatiran masih tetap ada, utamanya karena kini kita tahu bahwa dampak negatif tersebut tetap muncul meski hanya terpapar dalam kadar yang sangat rendah.