Extrapolating the figures from the research indicates an estimated 1.5 million elderly motorists may be breaking the law and at risk of fines worth a combined total of £1.5bn.

Source: https://www.dailymail.co.uk/money/cars/article-12046313/More-1-5million-motorists-70-driving-illegally.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Extrapolating the leach curves from the Mountain States R&D test work to 90 days suggests we should expect ultimate extractions of 70% to 90% for our test work.

Source: https://troymedia.com/media-release/arizona-gold-silver-inc-commences-metallurgical-column-leach-test-work-on-the-philadelphia-gold-silver-project-arizona/