FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  AVALLONE MICHAEL N
 2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2004		 3. Issuer Name and Ticker or Trading Symbol
BOSTON BIOMEDICA INC [BBII]
(Last)
(First)
(Middle)
4 MANCHESTER DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WRENTHAM, MA 02093		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 2,000
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option (Right to Buy) 09/12/2001(1) 09/12/2010 Common Stock 6,000 $ 4.5 D  
Option (Right to Buy) 04/23/2002(1) 04/23/2011 Common Stock 2,000 $ 2.5 D  
Option (Right to Buy) 02/11/2003(1) 02/11/2012 Common Stock 7,000 $ 3.08 D  
Option (Right to Buy) 12/02/2003(1) 12/02/2012 Common Stock 2,500 $ 2.7 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
AVALLONE MICHAEL N
4 MANCHESTER DRIVE
WRENTHAM, MA 02093		       Chief Financial Officer  

Signatures

Michael N. Avallone 03/18/2004
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) These options have a 4 year vesting schedule of 25% vested on the 1st, 2nd, 3rd and 4th anniversary dates of when the options were granted.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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