[MileHi]

“It just slipped through the cracks,” EPA spokeswoman Melissa Harrison told TheDCNF 32 minutes after deadline. “It was a mistake on our behalf.”

That's the same excuse for the spill itself. Isn't that weird? /s

[Vehmgericht]

“It just slipped through the cracks,” EPA spokeswoman Melissa Harrison. They have a serious problem with things slipping through the cracks. Have they gotten a handle on their employees pooping in the hallways? http://www.huffingtonpost.com/2014/06/25/epa-pooping-hallways_n_5530650.html

[george76]

No EPA fool was fired, bonus all around , so the toxic waste dump was planned... to increase the EPA’s power and new money thru a future new Superfund designation.

[MortMan]

"It was a mistake on our behalf."

"...on our PART" is the right way to say this. What the spokesliar said is that they made the mistake to benefit themselves, IMO.