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REPORTING YEAR: 1991
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WEST COAST CIRCUITS INC. 
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Breakdown of releases and waste generation (by chemical) follows:

Chemical Name: AMMONIA
CAS Number: 007664417             (Name: WEST COAST CIRCUITS INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1991)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR           3,609
STACK AIR                  5
POTW WATER     (total below)   TO: CITY OF WATSONVILLE 
OFF-SITE                 452   TO: HAZ CONTROL 
                                   GILROY, CA
                               USING: OTHER WASTE TREATMENT                   
OFF-SITE                 333   TO: SOLVENT SERVICES 
                                   SAN JOSE, CA
                               USING: OTHER WASTE TREATMENT                   
OFF-SITE              14,400   TO: ENTECH RECOVERY CPINORGANICS
                                   GILROY, CA
                               USING: OTHER REUSE OR RECOVERY                 
POTW TOTAL             1,200   (Total for all POTW transfers)
Total                 19,999

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1990           1991          1992*          1993*
Rel. or Disp:          5,000          3,614          3,500          3,500
Recycled Off:         20,279         14,400         13,500         14,900
Treated On:            3,000          1,200          1,200          1,500
Treated Off:             450            785            800            300
Total:                28,729         19,999         19,000         20,200
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        19,999 (Production & Non-Production)
Production Ratio:   0.94
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Methods of source reduction used-
W13 IMPROVED MAINTENANCE SCHEDULING, RECORDKEEPING, OR PROCEDURES
W31 IMPROVED STORAGE OR STACKING PROCEDURES
W66 MODIFIED OR INSTALLED RINSE SYSTEMS
W68 IMPROVED RINSE EQUIPMENT OPERATION

Chemical Name: COPPER COMPOUNDS
CAS Number: N100                  (Name: WEST COAST CIRCUITS INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1991)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR               5
STACK AIR                 17
POTW WATER     (total below)   TO: CITY OF WATSONVILLE 
OFF-SITE               1,140   TO: HAZ CONTROL 
                                   GILROY, CA
                               USING: TRANSFER TO WASTE BROKER-RECYCLING      
OFF-SITE               1,866   TO: SOLVENT SERVICES 
                                   SAN JOSE, CA
                               USING: TRANSFER TO WASTE BROKER-RECYCLING      
OFF-SITE                   1   TO: HAZ CONTROL 
                                   GILROY, CA
                               USING: TRANSFER TO WASTE BROKER-RECYCLING      
OFF-SITE              12,357   TO: ENTECH RECOVERY CP INORGANICS
                                   UNION CITY, CA
                               USING: METALS RECOVERY                         
OFF-SITE               3,646   TO: J & B ENTERPRISES 
                                   SANTA CLARA, CA
                               USING: TRANSFER TO WASTE BROKER-RECYCLING      
POTW TOTAL                78   (Total for all POTW transfers)
Total                 19,110

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1990           1991          1992*          1993*
Rel. or Disp:             10             22              5              5
Recycled Off:         18,187         19,010         20,458         22,504
Treated On:              100             78             65             50
Total:                18,297         19,110         20,528         22,559
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        19,110 (Production & Non-Production)
Production Ratio:   0.94
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Methods of source reduction used-
W13 IMPROVED MAINTENANCE SCHEDULING, RECORDKEEPING, OR PROCEDURES
W66 MODIFIED OR INSTALLED RINSE SYSTEMS
W68 IMPROVED RINSE EQUIPMENT OPERATION
W36 IMPLEMENTED INSPECTION OR MONITORING PROGRAM OF POTENTIAL SPILL OR LEAK SOURCES

Chemical Name: SULFURIC ACID
CAS Number: 007664939             (Name: WEST COAST CIRCUITS INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1991)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR           1,281
STACK AIR                  1
OFF-SITE               8,488   TO: SOLVENT SERVICES 
                                   SAN JOSE, CA
                               USING: TRANSFER TO WASTE BROKER-WASTE TREATMENT
Total                  9,770

Generation of production-related waste in lbs  (On=on-site, Off=off-site)-
Year: (*=projected)     1990           1991          1992*          1993*
Rel. or Disp:          1,933          1,282            150            150
Treated On:            5,783          5,127          6,100          9,000
Treated Off:           8,800          8,488          8,500          4,200
Total:                16,516         14,897         14,750         13,350
Non-production-related waste:             0 (accidental or remedial)
Total waste generated       :        14,897 (Production & Non-Production)
Production Ratio:   0.94
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Methods of source reduction used-
W66 MODIFIED OR INSTALLED RINSE SYSTEMS
W68 IMPROVED RINSE EQUIPMENT OPERATION
W58 OTHER PROCESS MODIFICATIONS
W13 IMPROVED MAINTENANCE SCHEDULING, RECORDKEEPING, OR PROCEDURES

Totals for all chemicals for WEST COAST CIRCUITS INC. 
Releases and Transfers (in lbs) -
Fugitive air     :          4,895
Stack Air        :             23
POTW Transfer    :          1,278
Off-site Transfer:         42,683
Total            :         48,879                          (Year: 1991)
Amounts of production-related waste generated (in lbs, for current year)-
Released On-site or Disposed Off-site:          4,918
Recycled Off-site                    :         33,410
Treated On-site                      :          6,405
Treated Off-site                     :          9,273
Total Production-Related Waste       :         54,006
Total Non-Production-Related Waste   :              0
Total Waste Generated                :         54,006

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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