Browsing NIVA Open Access Archive by Author "Holth, T."
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New Biomarkers
Hylland, K.; Rønning, I.; Øverås, H.; Sva, E.; Holth, T.; Harman, C.; Finne, E.; Grung, M. (NIVA-rapport;5214, Research report, 2006)Large volumes of produced water are released into the North Sea and there is still some uncertainty as to the environmental impacts. Following the BECPELAG workshop in 2001-2002, water column monitoring near selected ... -
Trace metal mobility and faunal effects of weight materials in water-based drilling muds
Schaanning, M.; Trannum, H.; Holth, T.; Øxnevad, S. (NIVA-rapport;5680, Research report, 2009)Ilmenite and barite minerals are alternative weight materials in water-based drilling muds for off-shore drilling operations. After use mud remnants may be discharged from the platforms and end up in cuttings deposits on ...