92 Voyager possible gas leak

Our 92 Voyager, 146k miles, is not LATCH-equipped for the new carseats I purchased.

LATCH stands for Lower Anchors and Tethers which basically means the car has an anchor for the carseat tether to be hooked to, to increase the safety factor of the carseats.

Daimler Chrysler Corp. Installs these anchors in older cars, free of charge so I took my van to the local dealership today to have the hardware installed.

Upon returning home I detected a gasoline smell and investigated the area I thought it was coming from.

I discovered an X-shaped cut in the carpeting behind my daughter's seat, where I'd initially asked one of the anchors to be installed.

The technician said he couldn't install it there, as the gas tank was on that side of the vehicle so I asked him to install it in a safe area, which he did.

From where I'm sitting, it looks like the tech did an "Oops!" And drilled the hole above the gas tank as there is now a bolt holding down a patch of rubber in that spot and the smell of gasoline.

I'm waiting to hear back from the Service Dept, but I'm posting here to confirm or deny my suspicion that what the tech did is not an acceptable industry standard of managing this problem? Anyone?

Thanks!