Toxicological evaluation of soil, ground, and drinking water contaminants from abandoned production sites for explosives

H. H. Dieter; H. Hoering

doi:10.1117/12.224121

9 October 1995 Toxicological evaluation of soil, ground, and drinking water contaminants from abandoned production sites for explosives

H. H. Dieter, H. Hoering

Author Affiliations +

Proceedings Volume 2504, Environmental Monitoring and Hazardous Waste Site Remediation; (1995) https://doi.org/10.1117/12.224121
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

In Germany, many abandoned sites are situated where during the world wars explosives (nitroaromatic compounds, nitramines and nitrate esters) were produced. They contaminate upper soils and ground/drinking water. Nitro- and aminoaromatic compounds have not only a potential for methemoglobin formation but also a carcinogenic one. Since 1992, 35 compounds have been evaluated toxicologically by our institute. We used an evaluation pattern weighting not only positive/doubtful/negative test results, but also data gaps, and which results in a standardized evaluation number (EN). Four compounds received an EN on a reliable data basis and 11 on a provisional one. For the other 20 compounds, mainly nitroxylenes and some dinitrotoluenes, the data basis was missing almost completely. A subset of 11 structures was classified, either for precautionary aspects or positive in vivo data, as probable human carcinogens, whereas for 7 not only an EN, but also a tolerable body dose (TDI) could be proposed. EN based guide values between 0,10 (mu) g/L (precautionary value) and 10 (mu) g/L (sum value) were derived for drinking water. In soils, a precautionary guide value of 1 mg/kg (sum value: 5 mg/kg) seems protective for all exposure scenarios without plant transfer, whereas TDI-based values are much higher.

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H. H. Dieter and H. Hoering "Toxicological evaluation of soil, ground, and drinking water contaminants from abandoned production sites for explosives", Proc. SPIE 2504, Environmental Monitoring and Hazardous Waste Site Remediation, (9 October 1995); https://doi.org/10.1117/12.224121

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