NOTIFICATION OF THE REMOVAL FROM LISTING
AND REGISTRATION OF THE STATED SECURITIES

The null hereby notifies the SEC of its
intention to remove the entire class of
the stated securities from listing and
registration on the Exchange at the opening
of business on April 13, 2012, pursuant to
the provisions of Rule 12d2-2 (a).

[  X  ] 17 CFR 240.12d2-2(a)(3)  That on
March 30, 2012 the instruments representing
the securities comprising the entire class
of this security came to evidence, by
operation of law or otherwise, other
securities in substitution therefore and
represent no other right except, if such
be the fact, the right  to receive an
immediate cash payment.

The merger between ATS Corporation and Atlas
Merger Subsidiary, Inc., a wholly-owned
subsidiary of Salient Federal Solutions, Inc.
became effective on March 30, 2012.  Each
share of Common Share of ATS Corporation
was converted into $3.20 in cash per share.

The Exchange also notifies the Securities
and Exchange Commission that as a result of
the above indicated conditions this security
was suspended from trading on April 2, 2012.