Registration Dossier

Environmental fate & pathways

Monitoring data

Currently viewing:

Administrative data

Endpoint:
monitoring data
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: study meets generally accepted scientific principles and is described in sufficient details

Data source

Reference
Reference Type:
publication
Title:
Volatile organic compounds in rural atmospheres of central Portugal.
Author:
Cerqueira MA, Pio CA, Gomes PA, Matos JS, and Nunes TV
Year:
2003
Bibliographic source:
Sci Total Environ 313, 49-60

Materials and methods

Principles of method if other than guideline:
From 12 to 24 August 1996, air samples were collected at two rural sites in the central part of Portugal and analyzed for the occurrence of e.g. acrolein using HPLC connected to a diode array detector.
GLP compliance:
no
Type of measurement:
background concentration
Media:
air

Test material

Constituent 1
Chemical structure
Reference substance name:
Acrylaldehyde
EC Number:
203-453-4
EC Name:
Acrylaldehyde
Cas Number:
107-02-8
Molecular formula:
C3H4O
IUPAC Name:
acrylaldehyde
Constituent 2
Reference substance name:
acrolein
IUPAC Name:
acrolein

Study design

Details on sampling:
- Geographic coordinates: a. sample collection near Anadia (Portugal): 40°25'N, 8°24'W; b. sample collection near Tabua (Portugal): 40°19'N, 8°3'W
- Known emission sources near sampling site: no
- Period of sampling: 12-24. August 1996
- Sampling: Gaseous carbonyl compounds (e.g. acrolein) were collected as their hydrazones by drawing air (1 dm³/min) through silica cartridges coated with 2,4-dinitrophenylhydrazine. The degradation of hydrazones by ozone was avoided by means of a scrubber connected to the upstream ends of the cartridges, consisting of a copper tube coated inside with potassium iodide. The cartridges were wrapped in aluminium foil to prevent the formation of carbonyls due to sunlight exposure. Samples were collected at 6 h intervals during the day and 12 h intervals during the night for the intensive periods of 14-16 August, 18-20 August, and 22-24 August. Between the intensive periods sampling was performed at 12 or 24 h intervals.
- Sample storage before analysis: not reported

Results and discussion

Concentration
Country:
Portugal
Location:
two rural sites in the central part of Portugal
Substance or metabolite:
substance
Conc.:
<= 0.001 ppm

Any other information on results incl. tables

From 12 to 24 August 1996, air samples were collected at two rural sites in the central part of Portugal and analyzed for the occurrence of e.g. acrolein using HPLC connected to a diode array detector. Acrolein was detected in samples from both locations in a maximum concentration of 1.3 ppb (ca. 3 µg/m³).

Applicant's summary and conclusion

Conclusions:
On August 1996, acrolein was detected in air samples collected at two rural sites in the central part of Portugal in a maximum concentration of 1.3 ppb (ca. 3 µg/m³).
Executive summary:

From 12 to 24 August 1996, air samples were collected at two rural sites in the central part of Portugal and analyzed for the occurrence of e.g. acrolein using HPLC connected to a diode array detector. Acrolein was detected in samples from both locations in a maximum concentration of 1.3 ppb (ca. 3 µg/m³).