Kimberlite tailings for the presence of total arsenic. The arsenic contamination of groundwater was found to be location specific in North 24-Parganas district. The maximum arsenic concentration at certain places was found to be many folds more than the WHO recommended limits. The treatment of arsenic contaminated water samples with kimberlite tailings showed 90-94% removal in 12 hours. The present study can be used as a basis for designing and developing filter columns, which can be attached to the tube wells for low cost and effective removal of arsenic. Kimberlite tailings Kimberlite tailings are waste materials left after the recovery of diamond
Grammy Award for Best Male Rock Vocal Performance with the award more than any other nationality, though it has been presented to musicians from the United Kingdom four times, from Australia once, and from South Africa once. Each year is linked to the article about the Grammy Awards held that year. Grammy Award for Best Male Rock Vocal Performance The Grammy Award for Best Male Rock Vocal Performance was an award presented at the Grammy Awards, a ceremony that was established in 1958 and originally called the Gramophone Awards, to male recording artists for works (songs or albums) containing quality vocal performances in the rock music genre. Honors