For the second time in less than a year, a truck owned by the same shipping company caused an hours-long shutdown of the 62nd Street Bridge connecting Sharpsburg to Pittsburgh in crashes that were remarkably similar.
Monday night, the A. Duie Pyle truck flipped halfway across the bridge as it was traveling southbound toward the city, spilling lactic acid – a naturally occurring chemical produced at large scale for food preservation and makeup.
Despite its consumer-friendly laboratory uses, lactic acid can cause severe burns and eye damage if it comes into contact with skin…