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.
Blood sugar levels before meals (preprandial): 70 to 130 mg/dL. Blood sugar levels one to two hours after the start of a meal (postprandial): less than 180 mg/dL.Blood sugar levels indicating hypoglycemia or low blood glucose: 70 or below mg/dL.lood sugar levels one to two hours after the start of a meal (postprandial): less than 180 mg/dL. Blood sugar levels indicating hypoglycemia or low blood glucose: 70 or below mg/dL.