E|------------------------------------------------|
B|------------------------------------------------|
G|-------------------10----15----13----12---------|
D|-10-12-13-10-12-13----13----10----10----10-12-8-|
A|------------------------------------------------|
E|------------------------------------------------|

Here are the power chords played under that riff:

E|------------------------|
B|------------------------|
G|------------------------|
D|-10--------10---8---6-5-|
A|-10--------10---8---6-5-|
E|--8---8888--8---6---4-3-|

Then there's some STUPIDLY fast little run of hammers and pulls in the last of those 
bars, then it's into one

of the main riffs of the song, which is ALL tremolo picked. The notes are:

E|--------------------|
B|--------------------|
G|-12-8---15-8---13-8-|
D|--------------------|
A|--------------------|
E|--------------------|