Wellington Laboratories Inc. offers a variety of native and mass-labelled reference standards for legacy environmental contaminants such as polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs).The AXS Cookie Policy This website, like most others, uses cookies in order to give you a great online experience. By continuing to use our website you accept to our use of cookies. Alternatively, you can find out more about cookies and how to change your cookie .¿Qué podemos decir?. En Peliculotas nos dedicamos a subir peliculas completas en español latino sobre todos los géneros. Disfruta y comparte. . Nombre de usuario o correo electrónico Contraseña Recuérdame