5/11/1976 · 11.08 h a tank car filled with 7,509 gal (28.4 m3) ammonia hit the parapet of a bridge, rammed a pier and crashed down 5 m onto a street. 6 fatalities, 78 hospitalized injuries and another 100 walking wounded. Figure XIII-22 shows the ammonia cloud about 1 minute after this crash. Compare with Figure XIII-20, right.