Metabolites of the alkyl pyrrolidone solvents NMP and NEP in 24-h urine samples of the German Environmental Specimen Bank from 1991 to 2014.
Nadin UlrichDaniel BuryHolger M KochMaria RütherTill WeberHeiko-Udo KäfferleinTobias WeissThomas BrüningMarike Kolossa-GehringPublished in: International archives of occupational and environmental health (2018)
Based on the investigated subpopulation of the German population, individual and combined NMP and NEP exposures were within acceptable ranges in the investigated timeframe. Sources of NEP exposure in the 90s and 00s remain elusive.