TY - JOUR A1 - Dutschke, Andreas A1 - Lohrer, Christian A1 - Kurth, Lutz A1 - Seeger, Stefan A1 - Barthel, Mathias A1 - Panne, Ulrich T1 - Aerosol emissions from outdoor firework displays N2 - The results of investigations on the emission of particulate matter from three outdoor firework displays are presented. During these events, possibly harmful and toxic aerosol emissions were measured. Aerosols in the size range from 30 to 450 nm were detected. The maxima in the observed particle size distribution were between 80 and 175 nm, and the highest value determined was ~1.3 · 106 particles per cm³, while the highest mass concentration was approximately 1.8 mg m–3. The time-averaged particle mass concentration did, however, not exceed 0.7 mg m–3 (over 15 min). KW - Firework display KW - Particle size range KW - Particulate matter KW - Threshold values PY - 2011 DO - https://doi.org/10.1002/ceat.201100080 SN - 0930-7516 SN - 1521-4125 VL - 34 IS - 12 SP - 2044 EP - 2050 PB - Wiley-VCH Verl. CY - Weinheim AN - OPUS4-24929 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Dutschke, Andreas A1 - Lohrer, Christian A1 - Seeger, Stefan A1 - Kurth, Lutz A1 - Schmidt, Martin A1 - Kaiser, Michael A1 - Stattaus, Kim A1 - Panne, Ulrich T1 - Determination of reaction products during a large firework display in Germany T2 - 11th International symposium on fireworks CY - Puerto Vallarta, México DA - 2009-04-20 KW - Firework display KW - Reaction products KW - Particles KW - Sound pressure PY - 2009 SN - 978-0-9734123-8-3 SP - 50 EP - 63 AN - OPUS4-19383 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Dutschke, Andreas A1 - Seeger, Stefan A1 - Kurth, Lutz A1 - Panne, Ulrich A1 - Lohrer, Christian T1 - Emissions of reaction products and sound from outdoor and indoor firework displays N2 - This work presents results of investigations towards the emission of chemical reaction products and sound pressure during an outdoor and an indoor firework display. Potentially harmful and toxic gases, and aerosols, were measured as well as sound pressures. Aerosols were measured with a Differential Mobility Analyzer (DMA) as well as a Laser Particle Counter. The focus was on particles with diameters between 11 nm and 20 µm. A transportable Fourier Transform Infrared (FTIR) spectroscopy detector registered the concentrations of emitted reaction gases, simultaneously. During the outdoor firework display, peak particle concentrations of >550000 particles cm-3, equivalent to a mass concentration of approximately 3.95 mg m-3, were detected, revealing a concentration maximum at approximately 175 nm particle diameter. The time-averaged particle mass concentration did not exceed 1.58 mg m-3 over 15 minutes. Due to the large distances (110 m) to the firing points, no significant harmful or toxic gas concentrations were measured during the entire firework display. In contrast, concentrations of sulphur dioxide (SO2) rose after an indoor firework display in a large event hall. On two days, more than 23000 particles cm-3 (which equates to a mass concentration of approximately 0.41 mg m-3) were detected when the hall ventilation was turned off, and more than 11000 particles cm-3 (which equates to a mass concentration of approximately 1.18 mg m-3) when the hall ventilation was activated. Concentration maxima appeared at approximately 300 nm particle diameter. The time-averaged particle concentrations in this case did not exceed 0.56 mg m-3 (over 15 minutes). KW - Pyrotechnic articles KW - Aerosols KW - Combustion gases PY - 2009 SN - 1082-3999 IS - 28 SP - 78 EP - 93 CY - Whitewater, Colo. AN - OPUS4-20796 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Seeger, Stefan A1 - Wilke, Olaf A1 - Bücker, Michael A1 - Jann, Oliver T1 - Time- and Size-Resolved Characterization of Particle Emissions from Office Machines with Printing Function T2 - Healthy Buildings 2006 CY - Lisboa, Portugal DA - 2006-06-04 KW - Hard copy devices KW - Laserprinters KW - Toner KW - Particle emissions KW - Particles KW - Aerosols PY - 2006 SN - 978-989-95067-1-8 VL - 2 SP - 447 EP - 450 CY - Lissabon AN - OPUS4-14522 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Wilke, Olaf A1 - Jann, Oliver A1 - Brödner, Doris A1 - Schneider, Uwe A1 - Krocker, Christian A1 - Kalus, Sabine A1 - Seeger, Stefan A1 - Bücker, Michael T1 - Prüfung von Emissionen aus Bürogeräten während der Druckphase zur Weiterentwicklung des Umweltzeichens Blauer Engel für Laserdrucker und Multifunktionsgeräte unter besonderer Berücksichtigung der Sicherung guter Innenraumluftqualität KW - Emissionen KW - Emissionsmesskammern KW - VOC KW - TVOC KW - Ozon KW - Staub KW - RAL-UZ 122 KW - Blauer Engel KW - Bürogerät KW - Laserdrucker KW - Partikel PY - 2008 UR - http://www.umweltbundesamt.de/publikationen/pruefung-von-emissionen-aus-buerogeraeten-waehrend SN - 1862-4804 VL - 35 IS - 8 SP - 1 EP - 164 PB - Umweltbundesamt CY - Dessau-Roßlau AN - OPUS4-18265 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Seeger, Stefan T1 - Quantitive and Qualitative Comparison of Perticulate Emissions from Office Machines (Abstract für Vortrag) T2 - 9th Healthy Buildings 2009 Conference and Exhibition CY - Syracuse, NY, USA DA - 2009-09-13 PY - 2009 AN - OPUS4-18939 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Barthel, Mathias A1 - Seeger, Stefan A1 - Rothhardt, Monika A1 - Wilke, Olaf A1 - Horn, Wolfgang A1 - Juritsch, Elevtheria A1 - Hahn, Oliver A1 - Jann, Oliver T1 - Erfassung der Zahl feiner und ultrafeiner Partikel aus Bürogeräten während der Druckphase zur Entwicklung eines Prüfverfahrens für das Umweltzeichen Blauer Engel für Bürogeräte mit Druckfunktion - Zusammenfassung N2 - Vor dem Hintergrund der anhaltenden öffentlichen Diskussion um mögliche gesundheitliche Risiken von Ultrafein- und Feinstaubemissionen aus Bürogeräten mit Laserdruckfunktion (LPD, Laser Printing Device) wurde vom Umweltbundesamt ein Forschungsvorhaben zur Entwicklung einer Prüfprozedur für die Quantifizierung der emittierten Partikel durch Zählung unter Standardbedingungen in Emissionsmesskammern, sowie zur physikalischen und chemischen Charakterisierung dieser Aerosole initiiert. Als Ergebnis konnte die Partikelzählung in den Entwurf des Prüfverfahrens für die Bestimmung von Emissionen (RAL-UZ-122, Anhang S-M) des Umweltzeichens "Blauer Engel" für Bürogeräte sowie in den Prüfstandards ECMA-328 und den Entwurf der ISO/IEC 28360 integriert werden. Die Methode wurde in einem internationalen Ringversuch erfolgreich getestet. Auf dieser Basis können Vergabekriterien und -werte für die Emission von Fein- und Ultrafeinpartikeln im Rahmen der Vergabe des Umweltzeichens Blauer Engel vereinbart und Produktprüfungen vorgenommen werden. KW - Blauer Engel KW - Bürogeräte mit Druckfunktion KW - Partikelemission KW - RAL-UZ 122 PY - 2011 VL - Förderkennzeichen UFOPLAN 3708 95 301 SP - 1 EP - 8 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-59863 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Seeger, Stefan A1 - Müller, Werner T1 - Requirements and Testing of Protective Layer Systems for Geomembranes N2 - Geomembranes used in basal liner systems of landfills must not be damaged by the coarse gravel of the standard drainage layer. Therefore, the geomembrane must be protected against mechanical damage and strain by means of a suitable protective layer. The main requirements for this protective layer as well as the long-term durability of the mineral and geotextile components are compiled in the guideline recently released by German authorities. An overview is given on the existing types of protective layer systems with the state-of-the-art testing, the requirements and selected results of related research programs. PY - 1996 SN - 0266-1144 VL - 14 IS - 7-8 SP - 365 EP - 376 PB - Elsevier CY - Amsterdam AN - OPUS4-7583 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Seeger, Stefan A1 - Müller, Werner T1 - Requirements and testing of protective layer systems for geomembranes T2 - 9th GRI Conference, Geosynthetics in Infrastructure - Enhancement and Remediation CY - Philadelphia, PA, USA DA - 1995-12-12 PY - 1995 SP - 175 EP - 184 CY - Philadelphia AN - OPUS4-7578 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Thies, Martina A1 - Gerloff, Constantin A1 - Müller, Werner A1 - Seeger, Stefan ED - Koerner, R. ED - Gartung, E. ED - Zanzinger, H. T1 - Long-term shear testing of geosynthetic clay liners T2 - International Symposium [on Clay Geosynthetic Barriers] IS CY - Nuremberg, Germany DA - 2002-04-16 PY - 2002 SN - 90-5809-380-8 SP - 97 EP - 104 PB - Balkema CY - Lisse AN - OPUS4-1362 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Seeger, Stefan A1 - Müller, Werner A1 - Mohr, Kerstin ED - Delmas, P. T1 - Long term tensile testing of polyolefin fibers in geotextiles T2 - 7th International Conference on Geosynthetics (ICG) CY - Nice, France DA - 2002-09-22 PY - 2002 SN - 90-5809-529-0 VL - 4 SP - 1459 EP - 1462 PB - Balkema CY - Lisse AN - OPUS4-1532 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Müller, Werner A1 - Seeger, Stefan T1 - Requirements for Leak Monitoring Systems for HDPE Geomembrane Landfill Liners KW - Electric leak monitoring system KW - Landfill lining KW - HDPE geomembrane KW - Leaks and holes PY - 2002 DO - https://doi.org/10.2462/09670513.610 SN - 0967-0513 VL - 10 IS - 2 SP - 91 EP - 99 PB - EPP Publ. CY - Richmond AN - OPUS4-1473 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Müller, Werner A1 - Seeger, Stefan A1 - Thies, Martina ED - Knipschild, F. W. T1 - Langzeit-Scherfestigkeit von Geokunststoffen aus mehreren Komponenten T2 - 19. Fachtagung "Die Sichere Deponie" CY - Würzburg, Deutschland DA - 2003-02-13 PY - 2003 IS - 19 SP - L1 EP - L14 PB - SKZ CY - Würzburg AN - OPUS4-2806 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Müller, Werner A1 - Seeger, Stefan A1 - Thies, Martina T1 - Langzeit-Scherfestigkeit von Geokunststoffen aus mehreren Komponenten T2 - 11. Braunschweiger Deponie- und Dichtwandseminar ; 11. Braunschweiger Deponieseminar CY - Braunschweig, Deutschland DA - 2004-03-11 KW - Scherfestigkeit KW - Beständigkeit KW - Geokunststoffe KW - Prüftechnik PY - 2004 UR - http://www.deponie-stief.de/pdf/fachlit_pdf/2004tubs_mueller_scherfestigkeit.pdf SN - 3-927610-65-8 IS - 74 SP - 213 EP - 231 PB - Inst. für Grundbau und Bodenmechanik, TU Braunschweig CY - Braunschweig AN - OPUS4-3361 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Seeger, Stefan T1 - Untersuchung der Wirksamkeit von Filtern zum Schutz vor Partikelemissionen aus Laserdrucksystemen N2 - Laserdrucksysteme (Laserdrucker, -kopierer, Multifunktionsgeräte) emittieren in sehr unterschiedlichen Mengen Partikel im Größenbereich zwischen 5 und 300 nm, die im Druckbetrieb überwiegend durch Kondensation aus der Gasphase entstehen. Eine präventive Minderung dieser Emissionen ist sinnvoll. Die Filtration der in Laserdruckern entstehenden Aerosole bietet eine Option für eine wirksame Emissionsminderung. Die untersuchten Filter mit verschiedenen Filterkonzepten zeigten in ihrer Wirkung deutliche Unterschiede. Die Ergebnisse unterstreichen die Notwendigkeit der gerätespezifischen Optimierung von Filtern für die Anwendung in Laserdrucksystemen. N2 - Laser printing devices are sources of particle emission in different quantities in the size range between 5 and 300 nm. The particles are predominantly generated by re-condensation from the gas phase. Emission mitigation as a precautionary measure should be considered and exhaust air filtration is one technical option. Two particle filters with different filter concepts were compared and revealed different levels of performance. The result underpins the need for individual filter solutions for laser printing devices. PY - 2012 SN - 0949-8036 SN - 0039-0771 SN - 1436-4891 VL - 72 IS - 5 SP - 198 EP - 202 PB - Springer-VDI-Verl. CY - Düsseldorf AN - OPUS4-27520 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Seeger, Stefan A1 - Barthel, Mathias T1 - Particle emission from laser printing devices - Analysis and problem treatment within the German Blue Angel ecolabel for office machines N2 - There is a continuous public debate on possible adverse health effects of particle emissions from laser printing devices (LPD). LPD do not emit toner particles, which have diameters > 1 μm, but particles in the size range below 300 nm. The German Federal Environment Agency (UBA) initiated the further development of an existing emission test scheme for awarding the Blue Angel ecolabel to LPD. The proposed new test scheme includes the quantification of emitted particles by number and the quantitative comparison of LPD emissions. Size resolved aerosol sampling and chemical analysis by combination of XRF and TDGC/ MS identified organic and inorganic substances which could be attributed to sources such as paper, LPD plastic parts and toner components. The results show that particle emissions from LPD do not have a monocausal explanation. T2 - Healthy Buildings 2012 - 10th International conference CY - Brisbane, Australia DA - 08.07.012 KW - Ultrafine particle sources KW - Ultrafine particle emission KW - Health effects KW - Product safety KW - Standards PY - 2012 SN - 978-1-921897-40-5 SP - 1 EP - 6 (4F.1) AN - OPUS4-27524 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Hilgenberg, Kai A1 - Daum, Werner A1 - Maierhofer, Christiane A1 - Altenburg, Simon A1 - Bruno, Giovanni A1 - Heckel, Thomas A1 - Skrotzki, Birgit A1 - Zerbst, Uwe A1 - Kranzmann, Axel A1 - Bettge, Dirk A1 - Sommer, Konstantin A1 - Seeger, Stefan A1 - Nitsche, Michael A1 - Günster, Jens A1 - Evans, Alexander T1 - Additive manufacturing at the BAM: We focus on Safety N2 - In Germany, the Federal Institute for Materials Research and Testing (BAM) is addressing challenges in the implementation of additive manufacturing on the industrial landscape for safety-critical applications. KW - Process development KW - Additive Manufacturing KW - In-situ Process Monitoring KW - Non-destructive Materials KW - Characterisation KW - Safety KW - Fatigue KW - Environment KW - Standardisation PY - 2019 UR - https://static.asminternational.org/amp/201910/22/ SN - 0882-7958 VL - 177 IS - 7 SP - 22 EP - 26 PB - ASM International CY - Materials Park, OH, USA AN - OPUS4-49780 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Richter, Matthias A1 - Beck, Oliver A1 - Wilke, Olaf A1 - Pyza, Lars A1 - Seeger, Stefan T1 - Test procedure for the evaluation of adsorptive building materials N2 - Construction materials working on the basis of physisorption or chemisorptions are considered as an additional means to improve indoor air quality. Some manufacturers promise a complete demineralisation of VOCs into C02 and water being not possible for most of typical indoor air pollutants. On the contrary, sometimes new substances are generated due to surface reactions, e.g. formaldehyde (Salthammer and Fuhrmann, 2007). For evaluating such products a testing system was built up at BAM enabling testing under defined, reproducible and realistic conditions. Tue VOC test gas is provided by a gas mixing system (GMS) developed at our institute (Richter, 2010). VOC gas mixtures with retraceable concentrations between 1 µg m·3 up to 1.5 mg m·3 can be produced. A gypsum board promoted as an 'air cleaner' was put in a 1 m3 emission test chamber connected with the GMS. The board was exposed to a gas mixture of four VOCs - ethyl acetate, hexanal, (+)-a-pinene and R-(+)-limonene - with gas concentrations between 600 µg m·3 and 1,440 µg m·3 for a period of 14 days. T2 - Healthy Buildings 2012 - 10th International conference CY - Brisbane, Australia DA - 08.07.2012 KW - Air cleaning KW - Sorptive construction materials KW - Test procedure KW - Volatile organic compound KW - Test gas generation KW - Healthy homes and buildings KW - Material and construction KW - Product safety KW - Risk assessment PY - 2012 SN - 978-1-921897-40-5 SP - 43 EP - 44 (Session 4B) AN - OPUS4-27558 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mohr, Gunther A1 - Seeger, Stefan A1 - Hilgenberg, Kai T1 - Measurement of particle emissions in Laser Powder Bed Fusion (L-PBF) processes and its potential for in-situ process monitoring N2 - Laser Powder Bed Fusion (L-PBF) is a promising additive manufacturing (AM) technology for metal part production especially for complex and lightweight structures or functional designs. In L PBF processes several by-products including welding plume and its condensates, spatter and ejected powder are generated during laser exposure. Investigations of micro- and nano-sized by-products have received little attention in literature. This study focuses on the analysis of particle emissions in L PBF of 316L stainless steel using a scattered light aerosol spectrometer and a fast mobility particle sizer spectrometer during the process which allows for in-situ analysis of particle sizes in the range of 6 nm to 100 µm. A distinct correlation of emission signals to part position can be revealed. In addition, a significant influence of laser scanning vector directions on emission signals is presented. Furthermore, differing powder layer thicknesses can be recognised by deviations in emission signals. T2 - Euro PM 2019 CY - Maastricht, The Netherlands DA - 13.10.2019 KW - Plume KW - Laser Powder Bed Fusion (L-PBF) KW - Additive Manufacturing (AM) KW - Spatter KW - Fume KW - Particle gas emission KW - Aerosol measurements PY - 2019 SP - 1 EP - 7 AN - OPUS4-49388 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Seeger, Stefan T1 - VOC, Fine and Ultrafine Particles Emissions from Additive Manufacturing and 3D-Printers N2 - The presentation gives an overview on Additive Manufacturing techniques and related potential risks from emission of hazardous gases and aerosols, based on emission characterizations in BAM. Voluntary mitigation strategies are presented T2 - BAM - JBMIA (Japan Business Machine and Information System Industries Association) Meeting, JBMIA Emissions Working Group Meeting CY - Tokyo, Japan DA - 04.05.2019 KW - 3D Printing KW - Additive Manufacturing KW - Particulate emissions KW - Emissions of hazardous gases KW - Filament comparison PY - 2019 AN - OPUS4-47812 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -