And that in turn leads to additional emissions of harmful pollutants and our area is very concerned about improving air quality as one of the key ways to make our communities even better places to live and work."

VOA: standard.2010.07.26

They have pleaded for the public's help in providing additional leads and images.

CNN: Healing in Boston as investigators seek 2 seen near bombing

Was it a bank vault worth of information, and are you able to potentially get some additional leads out of the information that was found?

WHITEHOUSE: Press Briefing

Authorities are sifting through more than 2, 000 tips and a mass of digital photos and video clips, but are asking for the public's help in providing additional leads and images.

CNN: Boston Marathon bombings: More details, more questions