EXHIBIT 31.1

                     RULE 13A-14(A)/15D-14(A) CERTIFICATIONS

I, Edmund M. Jaskiewicz, certify that:

1. I have reviewed this  quarterly  report on Form 10-QSB of American Bio Medica
Corporation;

2. Based on my knowledge,  this quarterly 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  officers 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)) 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]; and

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  officers 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; and


/s/ Edmund M. Jaskiewicz
------------------------
President

Date: May 14, 2004

<PAGE>

EXHIBIT 31.1

                     RULE 13A-14(A)/15D-14(A) CERTIFICATIONS

I, Keith E. Palmer, certify that:

1. I have reviewed this  quarterly  report on Form 10-QSB of American Bio Medica
Corporation;

2. Based on my knowledge,  this quarterly 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  officers 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)) 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]; and

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  officers 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; and


/s/ Keith E. Palmer
-------------------
Chief Financial Officer & Executive Vice President

Date: May 14, 2004