This is because California solar manufacturers were no longer able to send tanker trucks laden with cadmium-tainted industrial waste-water out of state for want

This is because California solar manufacturers were no longer able to send tanker trucks laden with cadmium-tainted industrial waste-water out of state for wanton and random culvert disposals by independent truckers. Yes, this is that hidden eco-cyclic cadmium crisis that US will be experiencing until enough plants absorb the cadmium away.