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… other rodents.  Heptachlor – Primarily employed to kill soil insects and termites, heptachlor has also been used more … has been used as a broad-spectrum insecticide for seed and soil treatment, foliar applications, tree and wood treatment … sites is a delicate job that risks leakage and additional pollution, and the safe destruction or containment of PCBs …

… after sprays can cause fenthion to leach out of the soil and still be detectable five months later (Cheke et al. … residues in the air for 64 hours and for 46 days in soil was reported by van der Walt (2000). Recently there was … added to bait grain or water Immobilises birds. Minimal pollution. Risk to non-target birds. Requires birds to be …