Dirty Property

секцииLast week, the California EPA Office of Environmental Health Hazard Assessment published new California Human Health Screening levels (CHHSLs) for Perchlorate in soil and Ethylbenzene in soil gas. The concentrations are: Ethylbenzene: Residential Soil Gas on engineered fill – 1.1 µg/L Residential Soil Gas on base soil – 0.42 µg/L Industrial Soil Gas on engineered [...]

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