Perhaps the most comparable product around is a type of simulated granite, or quartz with resins, that can indeed approach or meet the price of granite at around $35.00 to $80.00 per square foot, depending on color chosen.
Definition of primary standard. 1) A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.
What is the public drinking water standard? Arsenic is regulated in public drinking water systems by the Environmental Protection Agency (EPA) and a maximum allowable limit-known as a maximum contaminant level (MCL)-has been established for it to protect against long-term exposure. For many years, the MCL for total arsenic was 50 ppb.