<ARTICLE> 5 <CIK> 0000830656 <NAME> BOSTON BIOMEDICA <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 260,273 <SECURITIES> 0 <RECEIVABLES> 7,120,606 <ALLOWANCES> (785,036) <INVENTORY> 7,547,377 <CURRENT-ASSETS> 15,865,614 <PP&E> 14,337,246 <DEPRECIATION> (5,816,298) <TOTAL-ASSETS> 27,265,878 <CURRENT-LIABILITIES> 10,981,565 <BONDS> 2,541,104 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 56,145 <OTHER-SE> 13,282,869 <TOTAL-LIABILITY-AND-EQUITY> 27,265,878 <SALES> 6,136,942 <TOTAL-REVENUES> 14,584,721 <CGS> 3,018,033 <TOTAL-COSTS> 9,540,064 <OTHER-EXPENSES> 6,193,058 <LOSS-PROVISION> 60,398 <INTEREST-EXPENSE> (404,860) <INCOME-PRETAX> (1,552,839) <INCOME-TAX> 590,080 <INCOME-CONTINUING> (962,759) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (962,759) <EPS-BASIC> (0.18) <EPS-DILUTED> (0.18)