Three highly relevant items for ‘Pause for thought’ have already been included elsewhere. The harmful effects of low molecular mass phthalate esters are discussed in A.5 Polymers, the effects of PCBs on the environment are discussed in B.6 Biochemistry & the environment and the effects of the dioxins used in the Vietnam War are discussed in the practical on the Hydrolysis of halogenoalkanes.This ‘Pause for thought’...

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