Their proposed use is restricted because, in addition to being synthetic substances, misuse or overuse of these substances can cause measurable degradation of soil or water quality.
(Their proposed use; is restricted; because, in addition to being synthetic substances, misuse or overuse of these substances can cause measurable degradation of soil or water quality)
Their proposed use
is restricted
because, in addition to being synthetic substances, misuse or overuse of these substances can cause measurable degradation of soil or water quality