Ecotoxicological assessment of solid wastes: A combined liquid- and solid-phase testing approach using a battery of bioassays and biomarkers

Municipal solid waste incinerator bottom ash (MSWIBA) was used as a test matrix for comparing the responses of different variables (solid phase vs leachate media) through toxicity tests and resulting endpoints. Toxicity of leachate and solid‐phase MSWIBA was evaluated with three terrestrial plants,...

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Bibliographic Details
Published in:Environmental toxicology and chemistry 1999-06, Vol.18 (6), p.1195-1202
Main Authors: Ferrari, Benoit, Radetski, Claudemir Marcos, Veber, Anne-Marie, Ferard, Jean-Francois
Format: Article
Language:English
Subjects:
Algae
Animal, plant and microbial ecology
Applied ecology
Avena sativa
Bioassay
Bioassays
Biological and medical sciences
Biomarkers
Biomass
Brassica
Brassica campestris
Ceriodaphnia dubia
Complex mixtures
Daphnia magna
Ecotoxicology, biological effects of pollution
Enzymes
Fundamental and applied biological sciences. Psychology
Lactuca sativa
Leachate
Leaching
Pseudokirchneriella subcapitata
Refuse incinerators
Solid waste
Techniques
Toxic materials
Toxicity
Vibrio fischeri
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Summary:Municipal solid waste incinerator bottom ash (MSWIBA) was used as a test matrix for comparing the responses of different variables (solid phase vs leachate media) through toxicity tests and resulting endpoints. Toxicity of leachate and solid‐phase MSWIBA was evaluated with three terrestrial plants, namely oats (Avena sativa L.), Chinese cabbage (Brassica campestris L. cv. chinensis), and lettuce (Lactuca sativa L.). Assessment endpoints for these plant tests were biomass fresh weight, germination rate, and oxidant stress enzyme activities (superoxide dismutase, catalase, peroxidase, and glutathione reductase). Leachate MSWIBA toxicity was tested with bacteria (Vibrio fischeri), algae (Pseudokirchneriella subcapitata), and microcrustaceans (Daphnia magna and Ceriodaphnia dubia). A large range of toxicity responses was obtained with the various bioassays. With plant tests, the phytotoxicity of MSWIBA was revealed by the solid‐phase approach, whereas no toxicity was observed with the MSWIBA leachate. The increase of oxidant stress enzyme activities was demonstrated to be a good indicator of solid or leachate phase toxicity.
ISSN:0730-7268
1552-8618
DOI:10.1002/etc.5620180618