Exhibit
31.2




CERTIFICATION





I, Kevin
T. Dunphy, certify that:





1. I have
reviewed this quarterly report for the three month period ended June 30, 2009 on
Form 10-Q of MedClean Technologies, Inc.





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 the small reporting company
as of, and for, the periods presented in this report;





4. The
small reporting company's 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 the
small reporting company 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
the small reporting company, including its 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 the small reporting company's 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 the small reporting company's internal control over financial
reporting that occurred during the small reporting company's most recent fiscal
quarter (the small reporting company's fourth fiscal quarter in the case of an
annual report) that has materially affected, or is reasonably likely to
materially affect, the small reporting company's internal control over financial
reporting; and





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





(a)  all
significant  deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably
likely to adversely affect the small reporting company'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 reporting company's internal control over financial
reporting.





Date:
August 4, 2009





/s/ Kevin T.
Dunphy





Kevin T.
Dunphy


Treasurer,
Chief Financial Officer