Illustration of intermittent concentration
Illustration of zero concentration of element, x
Illustration of intermittent delta for an element, x
Illustration of exclusive limitation for element, x
Illustration of primary limitation for element, x
Illustration of secondary limitation for element, x
General illustration of an any element outgoing
Illustration of a high response (any element) in a bioassay
Illustration of a low bioassay response (any element)