The Docklands Light Railway (DLR) was extended to Stratford in 1987, and to Stratford International in 2011, with services to Poplar, Canary Wharf, Lewisham, London City Airport, the Excel Centre, Beckton and Woolwich Arsenal.
There are two main categories of asbestos: amphibole asbestos and serpentine asbestos. The serpentine asbestos group contains one type of asbestos, chrysotile. The amphibole asbestos group consists of several types of asbestos: amosite, crocidolite, anthophyllite, tremolite, and actinolite.
Amphibole Asbestos. The other five types of asbestos are classified in the amphibole category. Amosite (brown asbestos) and crocidolite (blue asbestos) are considered the most commercially valuable types. Anthophyllite, tremolite and actinolite are the other non-commercial forms of amphibole asbestos.