1.   Before now, checks on methane levels around a landfill site had to be collected and interpreted through a computer churning out reams of highly complex figures.

2.   Ultimately the regulators will be able to use a phone call to test the methane level of a particular well at a particular site.

3.   Which means in future keeping track of methane levels at sites all over the country could take no more thanb a simple phone call.

4.   In assigning blame to the electric engine, the investigating commission appeared to sidestep the issue of whether methane levels in the Zasiadko mine had been dangerously high.

5.   Operations at the mine had been suspended last year because of high methane levels.

6.   Safety precautions in mines generally include monitoring methane levels and providing proper air circulation.