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.
Sulfates in drinking water currently has a Secondary Maximum Contaminant Level (SMCL) of 250 ppm (mg/l). At this level or above, sulfates can cause diarrhea and resulting de-hydration. This condition is most severe in infants, the elderly, and people with other illnesses.