Registration Dossier
Registration Dossier
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EC number: 930-964-6 | CAS number: -
Monitoring data
Administrative data
- Endpoint:
- monitoring data
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: The monitoring study was conducted in the United States of America which is not a representative geographic area to fulfil the regulatory needs of the REACH Regulation. No data on GLP.
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 989
Materials and methods
- Principles of method if other than guideline:
- A study is being performed to gather data on the presence of disinfection by-products (DBPs) in drinking water and the impact of treatment processes on DBP formation and control. The effects of DHP production on finished water quality are being determined at 35 drinking water treatment facilities. These facilities were selected to provide a broad range of source water qualities and treatment processes that are representative of utilities nationwide. Drinking water samples (n = 140) from 35 US waterworks were taken quarterly in 1988 and in winter 1989. Sampling was performed after disinfection (chlorination, ozonisation).
- GLP compliance:
- not specified
- Type of measurement:
- background concentration
- Media:
- drinking water
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): Monochloroacetic acid
Study design
- Details on sampling:
- Drinking water samples (n = 140) from 35 US waterworks were taken quarterly in 1988 and in winter 1989.
Sampling was performed after disinfection (chlorination, ozonisation).
Results and discussion
Concentration
- Country:
- United States (the)
- Substance or metabolite:
- substance
- Remarks:
- monochloroacetic acid
- Conc.:
- <= 1.2 µg/L
- Remarks on result:
- other: (Quarterly medians)
Any other information on results incl. tables
Monochloroacetic acid was present at concentrations of c.a. 1.2 µg/L (quarterly medians) in drinking water.
Applicant's summary and conclusion
- Conclusions:
- Monochloroacetic acid was present at concentrations of c.a. 1.2 µg/L (quarterly medians) in drinking water.
- Executive summary:
A study is being performed to gather data on the presence of disinfection by-products (DBPs) in drinking water and the impact of treatment processes on DBP formation and control. The effects of DBP production on finished water quality are being determined at 35 drinking water treatment facilities. These facilities were selected to provide a broad range of source water qualities and treatment processes that are representative of utilities nationwide. Drinking water samples (n = 140) from 35 US waterworks were taken quarterly in 1988 and in winter 1989. Sampling was performed after disinfection (chlorination, ozonisation).
Monochloroacetic acid was present at concentrations of c.a. 1.2 µg/L (quarterly medians) in drinking water.
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