Name check initiation-info requested?

[soc_aus]

My I485 receipt is Mar 20, 2007 from NSC. NSC is now processing I485 with 09/06 receipt dates.

Can anyone tell me when my name check process might be started?
Also, who do I contact to know if my name check has been started?

Thank you all.

soc_aus

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NSC
I 140 (EB1-OR/PP) RD: Mar 16, 2007
I 140 AD: Mar 23, 2007
I 485 RD: Mar 20, 2007
Biometrics taken: April 20, 2007