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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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Administrative data

Endpoint:
toxicity to soil macroorganisms except arthropods
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Taken from OECD SIDS (Documentation insufficient for assessment)

Data source

Reference
Reference Type:
publication
Title:
Effects of deicing materials on plants and soil animals in north Japan
Author:
Haruki, M.
Year:
1999
Bibliographic source:
Cold Region Technol. Conf.|1999, 824-830. (in Japanese)

Materials and methods

Principles of method if other than guideline:
Method: other
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Calcium chloride
EC Number:
233-140-8
EC Name:
Calcium chloride
Cas Number:
10043-52-4
Molecular formula:
CaCl2
IUPAC Name:
calcium dichloride

Test organisms

Test organisms (species):
Eisenia fetida
Details on test organisms:
a) Size (Length and Weight): 5.4-6.9 cm in length, 0.16-0.38 g in body weight
b) Age: not described

Study design

Substrate type:
other: other

Results and discussion

Effect concentrations
Duration:
42 d
Dose descriptor:
other: LC20
Effect conc.:
30 other: g/m2
Basis for effect:
mortality

Any other information on results incl. tables

Table. Cumulative mortality after application of CaCl2
-------------------------------------------------------
Treatment Cumulative mortality
(%)
-------------------------------------------------------
1 weeks 3 weeks 5 weeks 6 weeks
-------------------------------------------------------
Control 0 0 0 5
5 g/m2 X 6 0 0 0 20
-------------------------------------------------------

Extent of the damage
CaCl2 < CMA* < NaCl < Urea
* Calcium/Magnecium acetate

Applicant's summary and conclusion