C.A. Ag / L. Tuchman2 1Dyncorp I&ET Inc. / Rockwell / Lachat QuikChem AE / /
Country
United States / Canada / / /
Event
Environmental Issue / /
IndustryTerm
selected physical and chemical variables / physical and chemical parameters / chemical / chemical factors / chemical constituents / /
NaturalFeature
Lake Superior / lake Michigan/Huron / Laurentian Great Lakes / Lake Erie / lake Lake Ontario / Great Lakes / lake Michigan / lake Huron / Lake Ontario / Lakes Michi / /
Organization
International Joint Commission / African Union / National Program Office / Environmental Protection Agency / /