Groundwater Hydrocarbon Sheen vs. Measurable LNAPL: What’s the Difference and When Must You Notify the EPA in Australia? Understanding the Difference Undissolved hydrocarbon (i.e. fuels and oils) contamination in groundwater may appear as either a sheen or measurable Light Non-Aqueous Phase Liquid (LNAPL). Knowing the difference is critical for assessing risk and ensuring compliance with
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Project Overview: iEnvironmental Australia (iEnvi) conducted a Delineation Investigation (DI) at anindustrial site located in the northwest of Sydney, following a request from the NSW EPA based on the findings of potential risk in a baseline environmental investigation. The site, involved in aerosol and paint manufacturing, required a thorough assessment to determine contamination levels and
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