In the scene where Erin goes into her son's room to talk to him because he's mad at her for spending so much time away...Behind his door, there is a Jurassic Park poster. The events in this movie take place in the mid '80's, and the movie Jurassic Park didn't come out until the early '90's.
Erin's solo investigation eventually established that the health of countless people California in the 1960's, 70's and 80's had been devastated by exposure to toxic Chromium 6. In "1996", as a result of the largest direct action lawsuit of its kind, the giant utility paid the largest toxic injury settlement in United States history: $333 million in damages to more than 600 residents......
Jurassic Park came out in 1993
as you can see it was possible for the poster to be there.