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.
Fasting blood sugar levels are usually measured six to eight hours after a person's last meal, according to Edward S. Horton, MD. The normal range for this measurement is between 70 and 100 milligrams per deciliter. After eating, blood sugar rises, but usually not above 140 milligrams per deciliter in a healthy patient.