vda 277 60 – 120 μg c/ g vda 278 – voc 200 – 800 μg/ g vda 278 – fog 400 – > 4000 μg/ g vda 275 n. vocs are ubiquitous and are both naturally occurring ( aromatic flowers) and synthetic ( paint thinner). in vda 277, non- metallic automotive materials are analysed with regard