. Detection and quantification of herbicide residues in the environment using immunochemical techniques. Herbicides; Herbicides; Herbicides. 0 »â¦â (0 c CO O^ 0 C7) C/J D OJ I^ C Z 0 o. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hall, John Christopher; Ontario. Ministry of the Environment. Research and Technology Branch. [Toronto, Ont. ] : Environment Ontario

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