EX-31.2
      RULE 13a-14(a)/15d-14(a) CERTIFICATION OF ARTHUR DE JOYA

               RULE 13a-14(a)/15d-14(a) CERTIFICATION

I, Arthur de Joya, certify that:

1.  I have reviewed this quarterly report on Form 10-QSB of RMD
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 business issuer as of, and for, the periods
presented in this report;

4.  The small business issuer'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))
[omitted pursuant to extended compliance period] for the small
business issuer 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 business issuer, 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)  [omitted pursuant to extended compliance period]

(c) Evaluated the effectiveness of the small business issuer'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 business
issuer's internal control over financial reporting that occurred
during the small business issuer's most recent fiscal quarter
(the small business issuer's fourth fiscal quarter in the case of
an annual report) that has materially affected, or is reasonably
likely to materially affect, the small business issuer's internal
control over financial reporting; and

5.  The small business issuer's other certifying officer and I have
disclosed, based on our most recent evaluation of internal control
over financial reporting, to the small business issuer's auditors and
the audit committee of the small business issuer'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
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.

Dated: October 25, 2005                By: /s/  Arthur de Joya
                                       Arthur de Joya
                                       Chief Financial Officer
                                       (principal financial officer)