Exhibit
31.2




CERTIFICATION




I, Glenn
D. Bolduc, hereby certify that:




1.       I
have reviewed this Quarterly Report on Form 10-Q of Implant Sciences Corporation
(the “Company”);




2.       Based
on my knowledge, this report does not contain any untrue statement of a material
fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading
with respect to the period covered by this report;




3.       Based
on my knowledge, the financial statements, and other financial information
included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of we as of, and for, the
periods presented in this report;




4.       Our
other certifying officer and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)
and 15d-15(e)) and internal control over financial reporting (as defined in
Exchange Act Rules 13a-15(f) and 15d-15(f)) for we and have:




a.       Designed
such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material
information relating to we, including our consolidated subsidiaries, is made
known to us by others within those entities, particularly during the period in
which this report is being prepared;




b.       Designed
such internal control over financial reporting, or caused such internal control
over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;




c.       Evaluated
the effectiveness of our disclosure controls and procedures and presented in
this report our conclusions about the effectiveness of the disclosure controls
and procedures, as of the end of the period covered by this report based on such
evaluation; and




d.       Disclosed
in this report any change in our internal control over financial
reporting  that occurred during our most recent fiscal quarter that
has materially affected, or is reasonably likely to materially affect, our
internal control over financial reporting; and




5.       Our
other certifying officer and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to our auditors and the
audit committee of our board of directors (or persons performing the equivalent
functions):




a.       All
significant deficiencies and material weaknesses in the design or operation of
internal controls over financial reporting which are reasonably likely to
adversely affect the small business issuer’s ability to record, process,
summarize and report financial information; and




b.       Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the small business issuer’s internal control over
financial reporting.




Date:
      November 13, 2009Glenn
      D. BolducPresident,
      Chief Executive Officer and Chief Financial Officer(Principal
      Executive Officer, Principal Financial Officer and Principal Accounting
      Officer)