Download or read book OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 218: Sediment-Water Chironomid Toxicity Using Spiked Sediment written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess the effects of prolonged exposure of chemicals to the sediment-dwelling larvae of the freshwater dipteran Chironomus sp. First instar chironomid larvae are exposed to at least five concentrations of the test ...