Some key elements to look for include: 1  The NFRC Label: National Fenestration Rating Council (NFRC) is a non-profit organization that administers the only independent rating and labeling system for the energy performance of windows, doors, skylights and attachment products.
At one hour, your test falls into the normal, non-diabetic range if your blood glucose remains below 200 mg/dL. Two hours after your meal, blood glucose should remain below 140 mg/dL. A level of over 200 mg/dL at two hours post-prandial -- which means after a meal -- indicates diabetes.
A normal blood sugar range is less than 100 milligrams per deciliter following an overnight fast and less than 140 two hours after eating. Throughout the day, sugar levels vary from 70 to 80, although levels within 10 milligrams per deciliter on either side are also normal, explains WebMD.