The reporter asks Langston if he has heard of "fracking". He then states that it "sounds like a sci-fi expletive". Note also that Det. Reed is played by Katee Sackhoff who plays Starbuck in BSG.
They talked about the title "Fracked" and the character played by Laurence Fishburne said it's like a curse expression ["fracking"] from the scifi show.
When character acted by Catherine Willows wanted to nail gas company, her boss said she's not Erin Brockovich. Also Marg Helgenberger played a victim of the water pollution in Erin Brockovich.
Nick says "I'd buy that for a dollar" which is a famous line from RoboCop
Langston's remark about how "fracking" sounds like a sci-fi expletive
When they were talking about polutioned groundwater, somebody said we're not in Chinatown.