In the bomber survey USAAF it is noted thusly:
Oil I.G. Farben Sławięcice Synthetic oil Oil Synthetic oil (Bergius) 350.000 tons capability. Sub camp Auschwitz 7-aug-44 27-aug-44 13-sep-44
Oil I.G. Farben Sławięcice Synthetic oil Oil Synthetic oil (Bergius) 125.000 tons capability. Sub camp Auschwitz 7-jul-44 7-aug-44 22-aug-44 27-aug-44 13-sep-44
Oil I.G. Farben Oswiecim Synthetic oil Oil Synthetic oil (Bergius) 200.000 tons capability. 20-aug-44 13-sep-44
part of
STRATEGIC OPERATIONS (Fifteenth Air Force): 460+ B-24s and B-17s, some fighter-escorted, bomb the airfield and marshalling yard at Szolnok, Hungary and oil refineries at Dubova, Czechoslovakia, and Czechowice and Auschwitz, Poland.
I.G. Farben Oswiecim damage estimate: