Biodiversity Heritage Library
Subject "Effect of heavy metals on"
Assessment of the toxicity of arsenic, cadmium, lead and zinc in soil, plants, and livestock in the Helena Valley for East Helena site (ASARCO), East Helena, Montana.
By: Asarco Inc. - Black & Veatch. - CH2M Hill, inc. - United States.
Publication info: Mont.? :U.S. EPA?,1987
Contributed by: Montana State Library (archive.org)
Subjects: Effect of heavy metals on Environmental aspects Livestock Montana Plants Prickly Pear Creek Valley Soil pollution Toxicity testing
Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.
Publication info: [Toronto] :The Section,1991.
Contributed by: Ontario Ministry of the Environment (archive.org)
Subjects: Air Corunna Effect of heavy metals on Ethyl Corporation Maple Measurement Ontario Pollution Vegetation surveys