You must verify that the test's performance in your laboratory is similar to the manufacturer's claims of accuracy, precision and reportable range. All related forms, printouts, control inserts, and reports will be maintained for the life of the system plus 2 years.
Langley, WA. Online Offers. Langley is a town in Island County, Washington, United States near the eastern end of the north shore of the south end of Whidbey Island. It is the third largest incorporated area on Whidbey. The population was 1,035 at the 2010 census, while the ZCTA for Langley's post office had a population of 4,878. The geographical area of the city is only 0.8 square miles (2.1 kmÂ²) but the ZCTA includes 26.20 square miles (67.86 kmÂ²).
This article is about the unincorporated community of Langley in McLean, Virginia. For the military installation in Hampton, Virginia, see Joint Base LangleyâEustis. Langley High School, pictured here in June 2008, serves much of northeastern Fairfax County, Virginia. Visible on the left is the five stone memorial to the families affected by the September 11 attack on the Pentagon, the headquarters of the U.S. Department of Defense.