Use of daphnia magna to assess potentially contaminated buildings. Final report, April 1990-March 1991
Random concrete core samples taken from a loading dock were used in determining the toxicity of concrete to Daphnia magna. The cores were ground to powder and analyzed for volatiles and chemical agents before being subjected to aquatic toxicology studies using Daphnia magna. Particle size, pH, and ion exchange mechanisms were investigated as par of methodology development. No effects were observed in daphnia exposed to concrete concentrations up to 4000 mg/L after the pH was adjusted. It was determined that an ion exchange reaction between sodium bicarbonate and concrete caused the water hardness to drop. Concrete spiked with sodium lauryl sulfate, copper sulfate, and Beta-aminoethylarylthiosulfonate were investigated to determine if concrete would alter the toxicity. The resulting EC50s were 17.2, 1.42, and 17.3 mg/L, respectively. The copper sulfate toxicity was reduced by two orders of magnitude. The changes in sodium lauryl sulfate and Beta-aminoethylarylthiosulfonate were not significant.
- Research Organization:
- Chemical Research, Development and Engineering Center, Aberdeen Proving Ground, MD (United States)
- OSTI ID:
- 7038194
- Report Number(s):
- AD-A-258270/8/XAB; CRDEC-TR-366
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
BUILDINGS
CONTAMINATION
CONCRETES
TOXICITY
DAPHNIA
EVALUATION
AQUATIC ECOSYSTEMS
CHEMICAL ANALYSIS
COPPER
HARDNESS
INSTALLATION
ION EXCHANGE
LOADING
PARTICLE SIZE
SODIUM
STATISTICAL DATA
SULFATES
WATER
ALKALI METALS
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BRANCHIOPODS
BUILDING MATERIALS
CRUSTACEANS
DATA
ECOSYSTEMS
ELEMENTS
HYDROGEN COMPOUNDS
INFORMATION
INVERTEBRATES
MATERIALS
MATERIALS HANDLING
MECHANICAL PROPERTIES
METALS
NUMERICAL DATA
OXYGEN COMPOUNDS
SIZE
SULFUR COMPOUNDS
TRANSITION ELEMENTS
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management
540220 - Environment
Terrestrial- Chemicals Monitoring & Transport- (1990-)