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Aquatic Toxicology   [Back]   Biological Test Method: Test for Measuring the Inhibition of Growth Using the Freshwater Macrophyte,Lemna minor Issue: aquatic toxicology Document Type: biological test method Keywords: toxicology, lemna minor     This report describes a biological test method recommended by Environment Canada for performing toxicity tests that measure the inhibition of growth using the aquatic macrophyte Lemna minor. The endpoints for the test are frond number and frond dry weight at the end of a 7-day toxicity test. Procedures are given for culturing L.minor in the laboratory. General or universal conditions and procedures are outlined for testing various substances for their effects on Lemna growth.     Language of Documents: Separate English/French Inv. No.: EPS 1/RM/37 EC ID: Cat No.: EN 49-24/1-37E ISBN: 0-660-17894-X Size: 21.5 x 28 cm Pages: 120 Year: 1999 Media Format: print,web PDF: http://www.etc-cte.ec.gc.ca/organization/spd/pubs/pubs_en/1RM37EnglishFinal.pdf