Test Report. Lindner Aktiengesellschaft. Product Emissions Test according to ASTM Access Floor. April 2004

Transcription

1 Test Report Lindner Aktiengesellschaft Product Emissions Test according to ASTM Access Floor April 2004 Client: Lindner Aktiengesellschaft Produktmanagement Sparte Boden Bahnhofstrasse 29 D Arnstorf Germany Date: 23. April 2004 Testing Laboratory: Eurofins Danmark A/S Smedeskovvej 38, DK-8464 Galten Eurofins Danmark - the new brand for MILJÖ-CHEMIE Product Testing Inge Bondgaard Chemist Pernille Simonsen Chemist B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 1 of 13

2 Table of Contents 1 Description of the Applied Testing Method Test Specimen Test Chamber Sampling, Desorption, Analyses 3 2 Results Emissions Testing for Aldehydes after 1 Day Emissions Test after 1 Day Emissions Test after 2 Days Emissions Test after 3 Days Emissions Test after 4 Days 9 3 Comments on the Implications of the Results 10 4 Interpretation of the Results 10 5 Appendices Appendix 1: Chromatogram VOC after 1 day Appendix 2: Chromatogram VOC after 2 days Appendix 3: Chromatogram VOC after 3 days Appendix 4: Chromatogram VOC after 4 days Emissions decay (TVOC) 13 Introduction on 5. January 2004 Eurofins Danmark A/S received a sample of Access Floor for emissions testing according to the quotation of 4 November The sample was clearly labelled, properly packaged and not damaged. Testing was carried out in the laboratories of Eurofins Danmark - operated earlier under the names of MILJÖ-CHEMIE and MILJØ-KEMI. Before starting the testing procedure on 23 February 2004 the sample had been stored unopened at room temperature B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 2 of 13

3 1 Description of the Applied Testing Method The applied testing method complies with the test method as defined in the ASTM Standard D on the determination of organic emissions from Indoor materials/products together with ENV , ENV , ISO , ISO , ISO The internal method numbers are: 9810, 9811, 9812, 8400, 2808, and Test Specimen A sample was packed (air-tight) by the client and sent to the laboratory of Eurofins Danmark A/S. The package was opened and the edges and the back were covered. The test specimen was transferred into to a test chamber immediately (internal method no.: 9810). 1.2 Test Chamber Material: Stainless steel. Volume: 238 litre. Multistage air clean-up. Blind check of the supply air and of the empty chamber before occupying. Operation parameters: 23 C, 50 % relative air humidity (in the supply air), air exchange rate: 0,83 per hour, loading of the test chamber: 0,66 m² test specimen per m³ air volume, corresponding to an area specific emission rate of 1,25 m³ per hour per m² (internal method 9811). Recovery of the standard emission source (d8-toluene) was 89%. The results were not corrected for recovery. 1.3 Sampling, Desorption, Analyses Emissions Testing for Aldehydes after 1 Day The presence of the following chemical compounds was checked: Formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, pentanal, hexanal, heptanal, octanal, nonanal and decanal. Air sampling was done from the chamber outlet onto DNPH-coated silicagel tubes for aldehydes after 24 hours, followed by solvent desorption, HPLC and UV-/diode array detection (internal method no. 9812/8400). The absence of the aldehydes was stated if the specific combination of fragment ions was lacking at the specific retention time in the chromatogram. Otherwise the respective full scan sample mass spectra were compared with full scan standard mass spectra for final check of identity B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 3 of 13

4 1.3.2 Emissions Testing for TVOC after 1, 2, 3 and 4 Days The emissions of organic compounds after 1, 2, 3 and 4 days were tested by drawing air samples from the chamber outlet through Tenax TA tubes (main tube and backup tube) after 1, 2, 3 and 4 days. Analyses were done by thermal desorption and gas chromatography / mass spectroscopy (internal methods no.: 9812 / 2808). All single substances were identified if the toluene equivalent in the Total Ion Chromatogram (TIC) exceeded 2 µg/m³. Quantification was done with the respective response factor and the TIC signal, or in case of overlapping peaks by calculating with fragment ions. All non-identified substances were quantified as toluene equivalent if giving more than 2 µg/m³. The results of the individual substances were calculated in three groups depending on their appearance in a gas chromatogram when analysing with a non-polar column (HP-1): Very volatile organic compounds VVOC: All substances appearing before n-hexane (n-c 6 ). Semi-volatile organic compounds SVOC: All substances appearing after n-hexadecane (n-c 16 ). Volatile organic compounds VOC: All substances appearing between these limits. Calculation of the Total Volatile Organic Compounds was done as the toluene equivalent of all substances between C 6 and C 16, as defined in ISO Calculation of the Total Semi-Volatile Organic Compounds was done by addition of the results of all substances between C 16 and C 22 as toluene equivalent, as defined in ISO Calculation of the Total Very Volatile Organic Compounds was done by addition of the results of all substances appearing before C 6 as toluene equivalent, as defined in ISO This test covered only substances that can be adsorbed on Tenax TA and that can be thermally desorbed. If other emissions occurred then these could not be monitored (or with limited reliability only) Deviations from the ASTM requirements No deviations Accreditation The testing methods described above have been accredited (ISO ) by (no. 168). But some parameters are not yet covered by that accreditation. It is difficult to obtain accreditation for complex mixtures of substances. At present the accreditation does not cover the following parameters that were reported here: Indan, indene, 2,2,4,6,6-pentamethyl heptane, aliphatic hydrocarbons mixtures, acetone, TVVOC, TSVOC, TVOC B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 4 of 13

5 2 Results 2.1 Emissions Testing for Aldehydes after 1 Day Access Floor CAS No. Concentration µg/m³ Emission Factor µg/m²xh Formaldehyde Acetaldehyde Propionaldehyde < 30 < 40 Butyraldehyde < 30 < 40 Pentanal Hexanal Heptanal < 30 < 40 Octanal < 30 < 40 Nonanal < 30 < 40 Decanal < 30 < 40 < Below the reported limit of determination B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 5 of 13

6 2.2 Emissions Test after 1 Day Access Floor Retention time min CAS No. ID- Cat. Concentration µg/m³ Emission Factor µg/m²xh TVOC (ISO ) (C 6 -C 16 ) Ethyl acetate 1, Tetrahydrofuran 1, Pentanal 2, Toluene 3, Hexanal 3, Heptanal 6, Isopropyl benzene 6, Benzaldehyde 7, Methyl styrene 7, ,2,4-Trimethyl benzene 8, Octanal 8, ,2,4,6,6-Pentamethyl heptane 8, Indan 8, Indene 8, Branched hydrocarbons 9-9, Nonanal 9, Decanal 11, Longicyclene 13, Longifolene 13, Total VVOC (< n-c 6 ) Acetone 1, Butanone 1, Total SVOC (> n-c 16 ) < 10 < 13 n.d. < Below the reported limit of determination n.d. not detected B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 6 of 13

7 2.3 Emissions Test after 2 Days Access Floor Retention time min CAS No. ID- Cat. Concentration µg/m³ Emission Factor µg/m²xh TVOC (ISO ) (C 6 -C 16 ) Ethyl acetate 1, Pentanal 2, Hexanal 3, Heptanal 6, Isopropyl benzene 6, Benzaldehyde 7, Methyl styrene 7, ,2,4-Trimethyl benzene 8, Octanal 8, ,2,4,6,6-Pentamethyl heptane 8, Indan 8, Indene 8, Branched hydrocarbons 9-9, Longicyclene 13, Longifolene 13, Total VVOC (< n-c 6 ) Acetone 1, Butanone 1, Total SVOC (> n-c 16 ) < 10 < 13 n.d. < Below the reported limit of determination n.d. not detected B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 7 of 13

8 2.4 Emissions Test after 3 Days Access Floor Retention time min CAS No. ID- Cat. Concentration µg/m³ Emission Factor µg/m²xh TVOC (ISO ) (C 6 -C 16 ) Ethyl acetate 1, Pentanal 2, Hexanal 3, Heptanal 6, Isopropyl benzene 6, Benzaldehyde 7, Methyl styrene 7, Octanal 8, ,2,4,6,6-Pentamethyl heptane 8, Indan 8, Indene 8, Branched hydrocarbons 9-9, Longicyclene 13, Longifolene 13, Total VVOC (< n-c 6 ) Acetone 1, Butanone 1, Total SVOC (> n-c 16 ) < 10 < 13 n.d. < Below the reported limit of determination n.d.: Not detected B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 8 of 13

9 2.5 Emissions Test after 4 Days Access Floor Retention time min CAS No. ID- Cat. Concentration µg/m³ Emission Factor µg/m²xh TVOC (ISO ) (C 6 -C 16 ) Ethyl acetate 1, Pentanal 2, Hexanal 3, Heptanal 6, Isopropyl benzene 6, Benzaldehyde 7, Methyl styrene 7, Octanal 8, Indan 8, ,2,4,6,6-Pentamethyl heptane 8, Branched hydrocarbons 9-9, Nonanal 9, Longicyclene 13, Longifolene 13, Total VVOC (< n-c 6 ) Acetone 1, Butanone 1, Total SVOC (> n-c 16 ) < 10 < 13 n.d. < Below the reported limit of determination n.d.: Not detected B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 9 of 13

10 3 Comments on the Implications of the Results An air concentration in the test chamber may be compared to a real-life room if the height of the room is 2.5 metres, all of the floor is equipped with Access Floor, ½ air exchange per hour is realised (typical for rooms without technical ventilation, windows and doors occasionally opened) The preparation of the test specimen does not reflect reality where emissions from a flooring system are influenced by a number of other parameters that have not been simulated in this test. Nevertheless the testing was done as described above in order to test the emission potential of the product only, excluding all external influences. The exposition of a workman during and short time after laying a floor is not monitored by these tests. 4 Interpretation of the Results The results of test of Access Floor can be summarised as follows: The Total VOC ("TVOC") after 1, 2, 3 and 4 days all were below 500 µg/(m² x h) (which is the criterion of the Hong Kong Green Label Scheme Product Environmental Criteria for Flooring Materials (GL )). After 24 hours the concentration of formaldehyde was clearly below 0,13 mg/m³ (Hong Kong Green Label Scheme Product Environmental Criteria for Flooring Materials (GL )). The emissions did not reach steady-state conditions within the testing period. Over longer periods, far lower emissions can be expected B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 10 of 13

11 5 Appendices. 5.1 Appendix 1: Chromatogram VOC after 1 day Abundance TIC: TA18240.D Time--> Appendix 2: Chromatogram VOC after 2 days Abundance TIC: TA18236.D Time--> B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 11 of 13

12 5.3 Appendix 3: Chromatogram VOC after 3 days Abundance TIC: TA18214.D Time--> Appendix 4: Chromatogram VOC after 4 days Abundance TIC: TA18222.D Time--> B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 12 of 13

13 5.5 Emissions decay (TVOC) Emission Factor Days B_REV_LINDNER_ASTM.DOC, Date of Printing: Page 13 of 13