<ARTICLE>      5
<LEGEND>
THIS SCHEDULE  CONTAINS  SUMMARY  FINANCIAL  INFORMATION  EXTRACTED  FROM THERMO
REMEDIATION  INC.'S ANNUAL REPORT ON FORM 10-K FOR THE PERIOD ENDED APRIL 4,1998
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>   1,000
       
                     
<PERIOD-TYPE>           YEAR
<FISCAL-YEAR-END>                 APR-04-1998
<PERIOD-END>                      APR-04-1998
<CASH>                                  8,912
<SECURITIES>                            2,003
<RECEIVABLES>                          32,219
<ALLOWANCES>                           30,529
<INVENTORY>                                 0
<CURRENT-ASSETS>                       54,778
<PP&E>                                 57,040
<DEPRECIATION>                         20,029
<TOTAL-ASSETS>                        140,311
<CURRENT-LIABILITIES>                  24,837
<BONDS>                                34,950
<PREFERRED-MANDATORY>                       0
<PREFERRED>                                 0
<COMMON>                                  140
<OTHER-SE>                             74,327
<TOTAL-LIABILITY-AND-EQUITY>          140,311
<SALES>                                     0
<TOTAL-REVENUES>                      128,409
<CGS>                                       0
<TOTAL-COSTS>                         114,011
<OTHER-EXPENSES>                            0
<LOSS-PROVISION>                          193
<INTEREST-EXPENSE>                      2,209
<INCOME-PRETAX>                         1,776
<INCOME-TAX>                            1,536
<INCOME-CONTINUING>                       240
<DISCONTINUED>                              0
<EXTRAORDINARY>                             0
<CHANGES>                                   0
<NET-INCOME>                              240
<EPS-PRIMARY>                            0.02
<EPS-DILUTED>                            0.02