Detailed text transcripts for TV channel - KGO - 20100719:10:34:00
Methane gas. despite that news, after three days of tests, thad allen, the government's point man on the spill, sees encouraging signs so the ongoing well integrity tests will continue with potential for additional extensions in 24-hour increments. bp and government officials have extended the testing of that capped well into a fourth day. >> as long as it's holding the pressure that's building inside of it, that's a very, very good sign. >> reporter: the government might still ask bp to open the valves on the stacking cap to begin capturing the oil and siphoning it to ships on the surface. ne...