I asked the very same question of the owners. They did not have a concrete answer except that from daily traffic. The last time the floor was treated was 3 years ago with some kind of a steam treatment.
On Apr 18, 2011, at 11:31 AM, flooramor@aim.com wrote:

> What is the oily residue from?
>
>
> Sent from my BlackBerry® smartphone with Nextel Direct Connect
>
> -----Original Message-----
> From: Schubert Jacques <sejacques1124@aol.com>
> Date: Mon, 18 Apr 2011 11:29:42
> To: Restoration and Maintenance<sccpartners@stoneandtilepros.com>
> Reply-To:"Restoration and Maintenance" <sccpartners@stoneandtilepros.com>
> Subject: [sccpartners]  Granite Floor & walls with PIC
>
>
>>
>>
>
>> Hi Partners
>>
>> I am looking at this site with about 1600 sqf of ROUGH finish granite. They simply wants to bring some life back and get rid of the oily ( greasy ) residue. It's a high traffic area. Any suggestions? For treatment & maintenance. ?
>>
>> Best Regards
>>
>>
>>
>>
>> Www.Stonemakeover.com
>>
>> Schubert E Jacques
>> 973-879-3400
>
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