Registration Dossier
Registration Dossier
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EC number: 204-465-2 | CAS number: 121-33-5
Field studies
Administrative data
- Endpoint:
- field studies
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- publication
- Title:
- Fate of organic compounds in land application of contaminated municipal sludge.
- Author:
- DEMIRJIAN YA, JOSHI AM, WESTMAN TR
- Year:
- 1 987
- Bibliographic source:
- J. Water Pollut. Control Fed, 59, p : 32-38.
Materials and methods
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
- Type of measurement:
- Soil contamination via sludge from STP
- Media:
- Soil
Test material
- Reference substance name:
- sludge and soil
- IUPAC Name:
- sludge and soil
- Details on test material:
- no data
Constituent 1
Results and discussion
Any other information on results incl. tables
*Mobility of vanillin in soil:
Vanillin concentration (µg/kg) in the soil with time at sludge application rate of 448 144 kg/ha containing 1130 µg of vanillin per kg of sludge:
Background Vanillin concentration (µg/kg)
0-15.2cm 0
22.9-38.1cm 0
5 days
0-15.2cm 876
22.9-38.1cm 0
122 days
0-15.2cm 945
22.9-38.1cm 0
241 days
0-15.2cm 822
22.9-38.1cm 0
*No comments or conclusions are given by the authors for these results
Mobility of vanillin in crop:
In the control plots, among root and stalk, only the lower stalk contained 5.3 mg/kg vanillin. Root samples from the 448 144kg/ha plots
contained 3.6 mg/kg vanillin; lower stalks contained 2 mg/kg and upper stalk did not contain any detectable compounds. Vanillin detection both
in control and samples indicates natural production.
Applicant's summary and conclusion
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