"From 1969 into the early 1980s, the Industri-plex site was developed along the river due to its proximity to the I-93 / I-95 junction.Industri-plex manufacturing plants contributed to the area's extensive contamination with chemicals used by the local paper, textile and leather industries, including lead-arsenic insecticides, acetic acid, benzene and toluene, and sulfuric acid.