The advantages of a fabric awning are certainly varied. It won't rust, which is a prevalent problem with metal awnings. It offers affordability, which can be an issue when purchasing fiberglass awnings. A wide array of customization is also a bonus.
*Maximum Contaminant Level (MCL) - The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to MCLGs as feasible using the best available treatment technology and taking cost into consideration. MCLs are enforceable standards.
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.