The 103-acre " B-1 " plant, he said, has the most polluted soil among Lockheed's Burbank holdings because it's tainted with higher concentrations of PCE . The chemical is used as a degreaser, among other things, and may have percolated into the earth from underground tanks or piping, from accidental spills and routine manufacturing work, Carlos said.
42.
You would think that the aircrew and groundcrew would be exposed to quite different things, as the aircrew mostly breathe a mixture of scrubbed recycled air and engine bleed air ( that's what you breathe on an airliner, with people occasionally complaining that the air smells of engine degreaser ); whereas it seems the groundcrew are crawling about on the outside, rubbing magic space slime into the aerosurfaces.
