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Veröffentlichung Metabolites of the fragrance 2-(4-tert-butylbenzyl)propionaldehyde (lysmeral) in urine of children and adolescents in Germany - Human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2020) Fiedler, Nina; Kolossa-Gehring, Marike; Murawski, Aline; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schwedler, GerdaThe synthetic fragrance 2-(4-tert-butylbenzyl)propionaldehyde, also known as lysmeral, butylphenyl methylpropional, lilial, or lily aldehyde, is widely used in cosmetics, personal care products, laundry detergents, and air fresheners. It is classified as suspected to be harmful to fertility and possibly endocrine disrupting. Its maximum concentration in cosmetics is limited. First-morning void urine samples (N = 2133) were analysed for several metabolites of lysmeral (Chemical Abstract Service (CAS) No.: 80-54-6). Samples were collected in the population-representative German Environmental Survey for Children and Adolescents 2014-2017 (GerES V) from German residents aged 3-17 years. Four main metabolites tert-butylbenzoic acid, lysmerol, lysmerylic acid, and hydroxy-lysmerylic acid were found in quantifiable amounts in 100%, 99%, 40%, and 23% of the samples, respectively, with geometric mean concentrations of 10.21 my g/L (8.658 my g/gcrea) for tert-butylbenzoic acid, 1.528 my g/L (1.296 my g/gcrea) for lysmerol, and below the limit of quantification of 0.2 my g/L and 0.4 my g/L for lysmerylic acid and hydroxy-lysmerylic acid, respectively. Girls had higher urinary concentrations of lysmeral metabolites than boys. Usage of fragrances, fabric softener, and personal care products, especially perfume, was positively associated with urinary concentrations of lysmeral metabolites. Source identification builds a basis to derive proposals for reduction of exposure. These results can also provide the foundation for developing reference values for urinary metabolite concentrations of lysmeral in children and adolescents in Germany that will facilitate recognising future exposure trends. © 2020 The Author(s).Veröffentlichung Deutsche Umweltstudie zur Gesundheit von Kindern und Jugendlichen 2014-2017 (GerES V)(Umweltbundesamt, 2023) Hahn, Domenica; Kolossa-Gehring, Marike; Lange, Rosa; Lemke, Nora; Murawski, Aline; Peisker, Jasmin; Debiak, Malgorzata; Rucic, Enrico; Zimmermann, Philipp; David, Madlen; Gerofke, Antje; Weber, Till; Pack, Kim LauraIn der Deutschen Umweltstudie zur Gesundheit (GerES) wird die Schadstoff-Belastung der Bevölkerung repräsentativ für die Menschen in Deutschland erhoben. In der fünften Erhebung, GerESV (2014-2017), wurden 2.294 Kinder und Jugendliche im Alter von 3 bis 17 Jahren aus 167 Orten in ganz Deutschland untersucht. GerES V ist eine bevölkerungsrepräsentative Querschnittstudie und wurde in enger Kooperation mit der "Studie zur Gesundheit von Kindern und Jugendlichen in Deutschland" (KiGGS Welle 2) des Robert-Koch-Instituts durchgeführt. Im Human-Biomonitoring (HBM) von GerESV wurden 107 verschiedene Substanzen im Blut bzw. Urin der Teilnehmenden gemessen. Der vorliegende Bericht fasst die HBM-Ergebnisse von GerESV zusammen. Bei Vorliegen entsprechender Beurteilungswerte wird eine gesundheitliche Bewertung vorgenommen. Der Bericht gibt einen Überblick über die Abläufe der Datenerhebung und die chemisch-analytischen und statistischen Methoden. Die wichtigsten Ergebnisse zu Belastungsquellen und -pfaden sowie besonders belasteten Bevölkerungsgruppen sind zusammengefasst und in aggregierter Form tabellarisch präsentiert. Für jede untersuchte Substanz werden außerdem die Quellen, die toxikologischen Eigenschaften und aktuellen Regulationen aufgeführt. Die bisherige Nutzung der Daten aus GerES V für Politik- und Öffentlichkeitsarbeit sowie in internationalen Kooperationen ist ebenfalls dargelegt. Quelle: ForschungsberichtVeröffentlichung 2-Mercaptobenzothiazole in urine of children and adolescents in Germany - Human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2020) Conrad, André; Kolossa-Gehring, Marike; Murawski, Aline; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schwedler, Gerda2-Mercaptobenzothiazole (2-MBT) is widely used as a vulcanisation accelerator and is contained in many products made from natural rubber, e.g. car tires. Additionally, it is used as a fungicide in paint or fibre. Systemically human exposure to 2-MBT can occur via dermal and oral uptake or inhalation. Locally, 2-MBT can cause skin sensitisation. The International Agency for Research on Cancer (IARC) classified 2-MBT as probably carcinogenic to humans. 516 urine samples of 3- to 17-year-old children and adolescents living in Germany were analysed for the concentration of 2-MBT in the population representative German Environmental Survey for Children and Adolescents 2014-2017 (GerES V). 2-MBT was quantified above the limit of quantification (LOQ) of 1.0 my g/L in 50% of the 516 samples analysed. The geometric mean of urinary 2-MBT concentration was 1.018 my g/L and 0.892 my g/gcreatinine, the arithmetic mean was 1.576 my g/L (1.351 myg/gcrea). The median concentration was below the LOQ. Analyses of subgroups revealed higher 2-MBT concentrations in children aged 3-5 years compared to 14- to 17-year-old adolescents. All urinary 2-MBT concentrations were well below the health-based guidance value HBM-I for children of 4.5 my g/L. Therefore, current exposure levels are - according to current knowledge - not of concern. For the first time, reference values can be derived for 2-MBT for children and adolescents in Germany. This will facilitate to recognise changing exposure levels in this population group in Germany and identification of unusually high exposures. © 2020 The Authors.Veröffentlichung Benzene metabolite SPMA and acrylamide metabolites AAMA and GAMA in urine of children and adolescents in Germany - human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2020) Bethke, Robert; Kolossa-Gehring, Marike; Murawski, Aline; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schwedler, GerdaBenzene and acrylamide are carcinogenic substances contained inter alia in tobacco smoke. The mercapturic acid metabolites of benzene, N-acetyl-S-phenyl-L-cysteine (SPMA), and of acrylamide, N-acetyl-S-(3-amino-3-oxopropyl)-cysteine (AAMA) and N-acetyl-S-(3-amino-2-hydroxy-3-oxopropyl)-cysteine (GAMA), were analysed in 2260 first-morning void urine samples from children and adolescents aged 3-17 years, participating in the population-representative German Environmental Survey on Children and Adolescents, GerES V 2014-2017. SPMA was detected in 98% of the participants with a geometric mean (GM) of 0.097 (my)g/L urine. Smokers had about 10-fold higher levels of the benzene metabolite SPMA than non-smokers. The sample comprises of 48 self-reported smokers, mainly in the oldest age group (14-17-year-olds). Second-hand smoke exposure, living near busy or very busy roads, and using domestic fuels for heating were additionally associated with higher benzene metabolite levels. SPMA levels in GerES V were lower compared to levels found in other countries, which in part however may reflect different proportions of smokers. The acrylamide metabolites AAMA and GAMA were detected in 100% of the participants with a GM of 72.6 (my)g/L urine for AAMA and 15.0 (my)g/L urine for GAMA. Smoking children and adolescents had about 2.5-fold higher AAMA levels than non-smoking ones. The frequency of consumption of french-fried potatoes and potato crisps consumption was also positively associated with urinary AAMA and GAMA levels. Compared to the urinary AAMA and GAMA levels in Germany and other countries, levels in GerES V tended to be higher than in the few studies reported. The urinary levels of the benzene biomarker SPMA, and the acrylamide biomarkers AAMA and GAMA build the basis to derive reference values for the exposure of children and adolescents in Germany. The results reveal options for exposure reduction mainly in personal choices regarding smoking and diet, but also requiring policy to maintain efforts in non-smoking regulations and improving ambient air quality. Providing these results also to the European HBM Initiative HBM4EU will contribute to gain knowledge on the exposure of the European population, the health impact of carcinogens and thus providing support for substantiated exposure assessment. © 2020 The Author(s)Veröffentlichung Alkyl pyrrolidone solvents N-methyl-2-pyrrolidone (NMP) and N-ethyl-2-pyrrolidone (NEP) in urine of children and adolescents in Germany - human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2021) Kolossa-Gehring, Marike; Murawski, Aline; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schwedler, GerdaN-methyl-2-pyrrolidone (NMP) and its substitute N-ethyl-2-pyrrolidone (NEP) are aprotic solvents used in many technical applications, but also in carpets, and consumer products such as cleaning agents, and cosmetics. NMP and NEP are classified as reproductive toxicants. As a substance of very high concern (SVHC), NMP is included in the European REACH (Registration, Evaluation, Authorisation of Chemicals) candidate list for authorisation. NMP and NEP metabolites were measured in more than 2100 urine samples of 3- to 17-year-old children and adolescents, participating in the population-representative German Environmental Survey for Children and Adolescents 2014-2017 (GerES V). The two NMP metabolites 5-hydroxy-N-methyl-2-pyrrolidone (5-HNMP) and 2-hydroxy-N-methylsuccinimide (2-HMSI) could be detected and quantified in all urine samples, and the two NEP metabolites 5-hydroxy-N-ethylpyrrolidone (5-HNEP) and 2-hydroxy-N-ethylsuccinimide (2-HESI) in 32% and 87% of the urine samples. Geometric mean concentrations were 103.1 (my)g/L (88.21 (my)g/gcreatinine) for the sum of NMP metabolites and 11.86 Ìg/L (10.15 (my)g/gcreatinine) for the sum of NEP metabolites, thus remaining below the current health-based human biomonitoring values. For NMP, highest exposure was found in young children, but exposure pathways could not be revealed. Exposure to NEP was highest in adolescents and participants with low socio-economic status or migration background. Associations to usage of personal care products suggested the choice of products to have a distinct impact on NEP exposure. The presented data can be used by the German Human Biomonitoring Commission to derive new reference values (RV95) for NMP and NEP for children and adolescents in Germany. This will facilitate to recognise changing exposure levels in this population group in Germany. © 2020 The Author(s).Veröffentlichung Phthalate metabolites in urine of children and adolescents in Germany. Human biomonitoring results of the German Environmental Survey GerES V, 2014-2017(2020) Conrad, André; Daniels, Anja; Kolossa-Gehring, Marike; Lange, Rosa; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schulz, Christine; Schwedler, GerdaDuring the population representative German Environmental Survey of Children and Adolescents (GerES V, 2014-2017) 2256 first-morning void urine samples from 3 to 17 years old children and adolescents were analysed for 21 metabolites of 11 different phthalates (di-methyl phthalate (DMP), di-ethyl phthalate (DEP), butylbenzyl phthalate (BBzP), di-iso-butyl phthalate (DiBP), di-n-butyl phthalate (DnBP), di-cyclohexyl phthalate (DCHP), di-n-pentyl phthalate (DnPeP), di-(2-ethylhexyl) phthalate (DEHP), di-iso-nonyl phthalate (DiNP), di-iso-decyl phthalate (DiDP) and di-n-octyl phthalate (DnOP)). Metabolites of DMP, DEP, BBzP, DiBP, DnBP, DEHP, DiNP and DiDP were found in 97-100% of the participants, DCHP and DnPeP in 6%, and DnOP in none of the urine samples. Geometric means (GM) were highest for metabolites of DiBP (MiBP: 26.1 my g/L), DEP (MEP: 25.8 my g/L), DnBP (MnBP: 20.9 my g/L), and DEHP (cx-MEPP: 11.9 my g/L). For all phthalates but DEP, GMs were consistently higher in the 3-5 years old children than in the 14-17 years old adolescents. For DEHP, the age differences were most pronounced. All detectable phthalate biomarker concentrations were positively associated with the levels of the respective phthalate in house dust. In GerES V we found considerably lower phthalate biomarker levels than in the preceding GerES IV (2003-2006). GMs of biomarker levels in GerES V were only 18% (BBzP), 23% (MnBP), 23% (DEHP), 29% (MiBP) and 57% (DiNP) of those measured a decade earlier in GerES IV. However, some children and adolescents still exceeded health-based guidance values in the current GerES V. 0.38% of the participants had levels of DnBP, 0.08% levels of DEHP and 0.007% levels of DiNP which were higher than the respective health-based guidance values. Accordingly, for these persons an impact on health cannot be excluded with sufficient certainty. The ongoing and substantial exposure of vulnerable children and adolescents to many phthalates confirms the need of a continued monitoring of established phthalates, whether regulated or not, as well as of potential substitutes. With this biomonitoring approach we provide a picture of current individual and cumulative exposure developments and body burdens to phthalates, thus providing support for timely and effective chemicals policies and legislation. © 2020 The Authors. Published by Elsevier GmbH.Veröffentlichung Polycyclic aromatic hydrocarbons (PAH) in urine of children and adolescents in Germany - human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2020) Conrad, André; Kolossa-Gehring, Marike; Murawski, Aline; Roth, Alexandra; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Schwedler, GerdaPolycyclic aromatic hydrocarbons (PAH) mainly originate from incomplete combustion of organic materials and are, among other sources, found in traffic emissions, smoked or barbecued food, leafy vegetables, and tobacco smoke. Some PAH or their metabolites are hazardous for health and classified as carcinogenic, mutagenic, or toxic to reproduction. Urine samples from 3- to 17-year-old children and adolescents living in Germany were analysed for concentrations of metabolites of the PAH fluorene, naphthalene, phenanthrene, and pyrene in the population-representative German Environmental Survey for Children and Adolescents GerES V (2014-2017). PAH metabolites were analysed in urine samples of 516 participants and could be quantified in 88ââą Ì100% of the samples. Geometric mean concentrations were: 0.785 my g/L (0.688 my g/gcreatinine) for 1-OH-naphthalene, 4.233 my g/L (3.706 my g/gcrea) for 2-OH-naphthalene, 0.139 my g/L (0.122 my g/gcrea) for 1-OH-phenanthrene, 0.085 my g/L (0.075 my g/gcrea) for 2-OH-phenanthrene, 0.131 my g/L (0.115 my g/gcrea) for 3-OH-phenanthrene, 0.045 my g/L (0.040 my g/gcrea) for 4-OH-phenanthrene, 0.058 my g/L (0.050 my g/gcrea) for 9-OH-phenanthrene, 0.511 my g/L (0.448 my g/gcrea) for Σ-OH-phenanthrene, and 0.099 my/L (0.087 my g/gcrea) for 1-OH-pyrene. Analyses of subgroups revealed higher PAH metabolite concentrations in young children compared to adolescents, and also in residents of former East Germany compared to those living in former West Germany. Increased urinary PAH metabolite concentrations were found in participants using domestic fuel for heating or gas for cooking. Plastic objects were identified as another potential source of exposure. Urinary concentrations of naphthalene and fluorene metabolites were elevated in active smokers and to the same extent in non-smokers exposed to passive smoking. Comparison with previous cycles of GerES revealed a decrease over time and a further decline in the still significant differences in urinary PAH metabolite concentrations of participants living in former East versus West Germany. © 2020 Published by Elsevier GmbH.Veröffentlichung Per- and polyfluoroalkyl substances in blood plasma - Results of the German Environmental Survey for children and adolescents 2014-2017 (GerES V)(2020) Conrad, André; Duffek, Anja; Kolossa-Gehring, Marike; Lange, Rosa; Rucic, Enrico; Schulte, Christoph; Wellmitz, JörgThe 5th cycle of the German Environmental Survey (GerES V) investigated the internal human exposure of children and adolescents aged 3-17 years in Germany to per- and polyfluoroalkyl substances (PFAS). The fieldwork of the population-representative GerES V was performed from 2014 to 2017. In total, 1109 blood plasma samples were analysed for 12 PFAS including perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and perfluorohexane sulfonic acid (PFHxS). PFOS was quantified in all and PFOA in almost all samples, demonstrating ubiquitous exposure. The highest geometric mean concentrations measured were 2.49 ng/mL for PFOS, followed by PFOA (1.12 ng/mL) and PFHxS (0.36 ng/mL), while concentrations of other PFAS were found in much lower concentrations. The 95th percentile levels of PFOS and PFOA were 6.00 and 3.24 ng/mL, respectively. The results document a still considerable exposure of the young generation to the phased out chemicals PFOS and PFOA. The observed exposure levels vary substantially between individuals and might be due to different multiple sources. The relative contribution of various exposure parameters such as diet or the specific use of consumer products need to be further explored. Although additional investigations on the time trend of human exposure are warranted, GerES V underlines the need for an effective and sustainable regulation of PFAS as a whole. Source: © 2020 Elsevier GmbHVeröffentlichung Parabens in urine of children and adolescents in Germany - human biomonitoring results of the german environmental survey 2014-2017 (GerES V)(2020) Kolossa-Gehring, Marike; Tschersich, Carolin; Murawski, Aline; Rucic, Enrico; Schwedler, GerdaParabens are antimicrobial preservatives used in a wide range of consumer products such as personal care products, cosmetics, pharmaceuticals, and food. Consequently, the general population is ubiquitously exposed to these substances via dermal absorption, ingestion, and inhalation. Parabens promote estrogenic activity and are hence under assessment as endocrine disrupting substances. Urine samples from 3- to 17-year-old children and adolescents (N = 516) living in Germany were analysed for concentrations of nine parabens in the population representative German Environmental Survey for Children and Adolescents 2014-2017 (GerES V). Detection rates and urinary concentrations of the parabens decreased with increasing length of the alkyl chain. Methyl paraben was quantified in 97% of the samples with a geometric mean (GM) concentration of 7.724 (my)g/L (6.714 (my)g/gcreatinine), ethyl paraben was quantified in 69% (GM: 0.943 (my)g/L and 0.825 (my)g/gcrea), and n-propyl paraben in 31% (GM: 0.563 (my)g/L and 0.493 (my)g/gcrea). Concentrations of iso-propyl paraben, butyl paraben, iso-butyl paraben, and benzyl paraben were below the limit of quantification in most samples. Pentyl paraben and heptyl paraben were not detected in any of the samples. Paraben concentrations in urine were found to be associated with frequent usage of leave-on personal care products and cosmetics. Cumulative exposure to parabens (back-calculated daily intakes, expressed as hazard index) was found to be on a level raising concern in up to 14% of the population, mainly driven by n-propyl paraben, and depending on the level of conservativeness and point-of departures used for calculation. © 2020 The Author(s)Veröffentlichung Lead, cadmium, mercury, and chromium in urine and blood of children and adolescents in Germany - Human biomonitoring results of the German Environmental Survey 2014-2017 (GerES V)(2021) Doyle, Ulrike; Höra, Christian; Kämpfe, Alexander David; Kolossa-Gehring, Marike; Murawski, Aline; Rucic, Enrico; Schmied-Tobies, Maria Irene Hilde; Vogel, NinaMetals reach humans through food and drinking water intake and inhalation of airborne particles and can have detrimental health effects in particular for children. The metals presented here (lead, cadmium, chromium, and mercury) could lead to toxic effects such as neurotoxicity, mutagenicity, and have been classified as (possible) carcinogens. Using population representative data from the German Environmental Survey 2014-2017 (GerES V) from 3- to 17-year-old children on lead and cadmium in blood (n = 720) and on cadmium, chromium, and mercury in urine (n = 2250) we describe current internal exposure levels, and socio-demographic and substance-specific exposure determinants. Average internal exposure (geometric means) in blood was 9.47 (micro)g/L for lead and below 0.06 (micro)g/L (limit of quantification) for cadmium, and in urine 0.072 (micro)g/L for cadmium, 0.067 (micro)g/L for mercury, and 0.393 (micro)g/L for chromium, respectively. Younger children have higher concentrations of lead and chromium compared to 14-17-year-old adolescents, and boys have slightly higher mercury concentrations than girls. With respect to substance specific determinants, higher lead concentrations emerged in participants with domestic fuel and in non-smoking children with smokers in the household, higher levels of cadmium were associated with smoking and vegetarian diet and higher levels of mercury with the consumption of seafood and amalgam teeth fillings. No specific exposure determinants emerged for chromium. The health based guidance value HBM-I was not exceeded for mercury and for cadmium in urine it was exceeded by 0.6% of the study population. None of the exceedances was related to substantial tobacco smoke exposure. Comparisons to previous GerES cycles (GerES II, 1990-1992; GerES IV, 2003-2006) indicate continuously lower levels. © 2021 Elsevier GmbH