Lead Contamination of Potable Water Due to Nitrification

Chemical contamination of potable water in ship tanks.

INTRODUCTION Unpleasant odour from drinking water in newly built ships is increasingly documented by the German Port Health Authority during sanitary inspections. Chemical contaminations are assumed to originate from washed off solvents of tank coatings due to the non-maintenance of required drying periods. The aim of this study was to explore the frequency of drinking water contamination by ch...

Unsealed tubewells lead to increased fecal contamination of drinking water.

Bangladesh is underlain by shallow aquifers in which millions of drinking water wells are emplaced without annular seals. Fecal contamination has been widely detected in private tubewells. To evaluate the impact of well construction on microbial water quality 35 private tubewells (11 with intact cement platforms, 19 without) and 17 monitoring wells (11 with the annulus sealed with cement, six u...

Contamination of Potable Water Distribution Systems by Multiantimicrobial-Resistant Enterohemorrhagic Escherichia coli

BACKGROUND The contamination of processed or unprocessed drinking water by fecal coliform bacteria has been reported worldwide. Despite a high incidence of waterborne diseases, entero-hemorrhagic Escherichia coli (EHEC) is an underacknowledged pathogen of concern to public health in India. Although the presence of EHEC is recorded in surface water resources of India, drinking water sources are ...

Out of Plumb: When Water Treatment Causes Lead Contamination

Estimation of cancer risk due to exposure to lead contamination in Joss paper

South Asian Journal of Cancer ♦ Volume 6 ♦ Issue 2 ♦ April-June 2017 90 As with other tyrosine kinase inhibitors, use of crizotinib as monotherapy leads to the emergence of resistance, as is also observed in adult patients with NSCLC. Genetic analysis suggests that mutations within ALK kinase domain or up-regulation of an alternative signaling pathway are the likely mechanisms of resistance. We...