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REPORTING YEAR: 1992
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HADCO CORP. TECH CENTER II
This facility's name, address, or ownership has changed.
Reason for change: PARENT COMPANY CHANGE                             
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Breakdown of releases and waste generation (by chemical) follows:

Chemical Name: AMMONIA
CAS Number: 007664417             (Name: HADCO CORP.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1992)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR                731
OFF-SITE              20,896   TO: SO. CALIFORNIA CHEMICAL 
                                   SANTA FE SPRINGS, CA
                               USING: OTHER REUSE OR RECOVERY                 
OFF-SITE                 825   TO: SO. CALIFORNIA CHEMICAL 
                                   SANTA FE SPRINGS, CA
                               USING: OTHER WASTE TREATMENT                   
Total                 22,452

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1991           1992          1993*          1994*
Recycled Off:         17,954         20,896        219,401        230,371
Treated Off:          19,694         13,888         14,582         15,311
Total:                37,648         34,784        233,983        245,682
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        34,784 (Production & Non-Production)
Production Ratio:   0.99

Chemical Name: AMMONIUM SULFATE (SOLUTION)
CAS Number: 007783202             (Name: HADCO CORP.)
Maximum Amount On Site: 100 - 999 LBS                      (Year: 1992)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
POTW WATER     (total below)   TO: CITY OF WATSONVILLE PUBLIC WORKS DEPT.
POTW TOTAL            53,885   (Total for all POTW transfers)
Total                 53,885

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1991           1992          1993*          1994*
Treated Off:               0         53,885         56,579         59,408
Total:                     0         53,885         56,579         59,408
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        53,885 (Production & Non-Production)
Production Ratio:   0.99

Chemical Name: COPPER COMPOUNDS
CAS Number: N100                  (Name: HADCO CORP.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1992)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
POTW WATER     (total below)   TO: CITY OF WATSONVILLE PUBLIC WORKS DEPT
OFF-SITE              10,814   TO: J&B ENTERPRISES 
                                   SANTA CLARA, CA
                               USING: METALS RECOVERY                         
OFF-SITE                 371   TO: SO. CALIFORNIA CHEMICAL 
                                   SANTA FE SPRINGS, CA
                               USING: METALS RECOVERY                         
OFF-SITE               3,467   TO: WORLD RESOURCES CO. 
                                   PHOENIX, AZ
                               USING: METALS RECOVERY                         
OFF-SITE              24,185   TO: SO. CALIFORNIA CHEMICAL 
                                   SANTA FE SPRINGS, CA
                               USING: OTHER REUSE OR RECOVERY                 
OFF-SITE                  10   TO: SO. CALIFORNIA CHEMICAL 
                                   SANTA FE SPRINGS, CA
                               USING: OTHER WASTE TREATMENT                   
POTW TOTAL               250   (Total for all POTW transfers)
Total                 39,097

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1991           1992          1993*          1994*
Rel. or Disp:            321            379            398            418
Recycled Off:         26,733         41,584         43,663         45,847
Treated Off:              55             34             36             38
Total:                27,109         41,997         44,097         46,303
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        41,997 (Production & Non-Production)
Production Ratio:   0.99
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: SULFURIC ACID
CAS Number: 007664939             (Name: HADCO CORP.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1992)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR                 46
Total                     46

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1991           1992          1993*          1994*
Rel. or Disp:             46             50              0              0
Treated On:           37,651         41,613         43,694         45,879
Total:                37,697         41,663         43,694         45,879
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        41,663 (Production & Non-Production)
Production Ratio:   0.99
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Totals for all chemicals for HADCO CORP. TECH CENTER II
Releases and Transfers (in lbs) -
Stack Air        :            777
POTW Transfer    :         54,135
Off-site Transfer:         60,568
Total            :        115,480                          (Year: 1992)
Amounts of production-related waste generated (in lbs, for current year)-
Released On-site or Disposed Off-site:            429
Recycled Off-site                    :         62,480
Treated On-site                      :         41,613
Treated Off-site                     :         67,807
Total Production-Related Waste       :        172,329
Total Non-Production-Related Waste   :              0
Total Waste Generated                :        172,329

This search was taken from RTK NET's (the Right-To-Know Network)'s copy of EPA's TRIS database. RTK NET is run by OMB Watch and Unison Institute at 1742 Connecticut Ave., NW, Washington DC, 20009 - Phone: 202-234-8494.

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