State and federal officials continue to monitor the impact of the Norfolk Southern train derailment on the Ohio-Pennsylvania border, but independent scientists worry that indoor air quality has been ignored. The lack of transparency, too, has made it harder to build and maintain public trust. “We’re still waiting on a more comprehensive understanding of the areas that were impacted,” said Andrew Whelton, a professor of civil, environmental, and ecological engineering at Purdue University, who has visited the East Palestine area six times since the derailment to test air, water, and soil...…State and federal officials continue to monitor the impact of the Norfolk Southern train derailment on the Ohio-Pennsylvania border, but independent scientists worry that indoor air quality has been ignored. The lack of transparency, too, has made it harder to build and maintain public trust. “We’re still waiting on a more comprehensive understanding of the areas that were impacted,” said Andrew Whelton, a professor of civil, environmental, and ecological engineering at Purdue University, who has visited the East Palestine area six times since the derailment to test air, water, and soil...WW…