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Facility Name: COLUMBIA PACIFIC ALUMINUM CORP . PACIFIC EXTRUSION
Address: 1715 W. BEACH ST.
         WATSONVILLE, CA  95076
County: SANTA CRUZ  Lat/Long:   36.913333 /  121.777778 (decimal degrees)
EPA ID: CAD053236022  TRI ID: 95076MTKPC1715W  D&B Number: 808156160
Public Contact: STEPHEN M. BLANKLEY  Phone: (408) 724-2244
Tech. Contact: STEPHEN M. BLANKLEY  Phone: (408) 724-2244
Primary SIC: 3354    ALUMINUM EXTRUDED PRODUCTS
Parent Company: COLUMBIA VENTURES CORP.  D&B #: 178365300
Year: 1996   EPA Region: 09
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Breakdown of releases and waste (by chemical) follows:

Chemical Name: NITRIC ACID
CAS Number: 007697372             (Name: COLUMBIA PACIFIC ALUMINUM CORP)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR           2,592
STACK AIR              4,366
POTW WATER     (total below)   TO: CITY OF WATSONVILLE WASTE WATER TREATMENT PLANT
POTW TOTAL                 5   (Total for all POTW transfers)
Total                  6,963

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:          5,960          6,958          7,167          7,167
Treated On:          296,845        346,480        356,874        356,874
Total:               302,805        353,438        364,041        364,041
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :       353,438 (Production & Non-Production)
Production Ratio:   0.84
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: PHOSPHORIC ACID
An IRIS report for this chemical is available.
CAS Number: 007664382             (Name: COLUMBIA PACIFIC ALUMINUM CORP)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
POTW WATER     (total below)   TO: CITY OF WATSONVILLE WASTE WATER TREATMENT PLANT
POTW TOTAL                 5   (Total for all POTW transfers)
Total                      5

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Treated On:        1,381,379      1,647,123      1,696,537      1,696,537
Total:             1,381,379      1,647,123      1,696,537      1,696,537
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :     1,647,123 (Production & Non-Production)
Production Ratio:   0.84

Totals for all chemicals for COLUMBIA PACIFIC ALUMINUM CORP . PACIFIC EXTRUSION
Releases and Transfers-
Fugitive air     :          2,592
Stack Air        :          4,366
Total Releases   :          6,958
POTW Transfer    :             10
Total Transfers  :             10
Total            :          6,968                          (Year: 1996)
Total Production-Related Waste       :      2,000,561
Total Non-Production-Related Waste   :              0
Production-related waste was managed by-
Treatment On-site                    :      1,993,603
Release On-site or Disposal Off-site :          6,958

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Facility Name: HADCO CORP. TECH CENTER II
Address: 78 HANGAR WAY
         WATSONVILLE, CA  950760078
County: SANTA CRUZ  Lat/Long:   36.925000 /  121.800000 (decimal degrees)
EPA ID: CAT080034101  TRI ID: 95076HDCCR78HAN  D&B Number: 046312559
Public Contact: LEE WILMOT  Phone: (603) 898-8010
Tech. Contact: MICHAEL T. CRUDDAS  Phone: (408) 728-0333
Primary SIC: 3672    CATHODE RAY TELEVISION PICTURE TUBES  (DISC. 1987,
Parent Company: NA  D&B #: NA
Year: 1996   EPA Region: 09
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Breakdown of releases and waste (by chemical) follows:

Chemical Name: AMMONIA
An IRIS report for this chemical is available.
CAS Number: 007664417             (Name: HADCO CORP.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR             141
STACK AIR                353
OFF-SITE               3,530   TO: PHIBRO-TECH INC.
                                   SANTA FE SPRINGS, CA
                               USING: OTHER REUSE OR RECOVERY
Total                  4,024

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:            336            487            511            537
Recycled Off:          2,182          3,530          3,706          3,892
Treated On:            2,267          6,580          6,909          7,462
Total:                 4,785         10,597         11,126         11,891
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        10,597 (Production & Non-Production)
Production Ratio:   1.01
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: COPPER COMPOUNDS
CAS Number: N100                  (Name: HADCO CORP.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
POTW WATER     (total below)   TO: CITY OF WATSONVILLE PUBLIC WORKS DEPARTMENT
OFF-SITE              14,013   TO: J & B ENTERPRISES
                                   SANTA CLARA, CA
                               USING: METALS RECOVERY
OFF-SITE              31,667   TO: PHIBRO-TECH INC.
                                   SANTA FE SPRINGS, CA
                               USING: METALS RECOVERY
OFF-SITE               5,152   TO: WORLD RESOURCES CO.
                                   PHOENIX, AZ
                               USING: METALS RECOVERY
POTW TOTAL                50   (Total for all POTW transfers)
Total                 50,882

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Recycled Off:         43,474         50,832         53,373         56,042
Treated Off:              47             50             52             55
Total:                43,521         50,882         53,425         56,097
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        50,882 (Production & Non-Production)
Production Ratio:   1.01

Totals for all chemicals for HADCO CORP. TECH CENTER II
Releases and Transfers-
Fugitive air     :            141
Stack Air        :            353
Total Releases   :            494
POTW Transfer    :             50
Recycling Trans. :         54,362
Total Transfers  :         54,412
Total            :         54,906                          (Year: 1996)
Total Production-Related Waste       :         61,479
Total Non-Production-Related Waste   :              0
Production-related waste was managed by-
Recycling Off-site                   :         54,362
Treatment On-site                    :          6,580
Treatment Off-site                   :             50
Release On-site or Disposal Off-site :            487

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Facility Name: SALZ LEATHERS INC.
Address: 1040 RIVER ST.
         SANTA CRUZ, CA  95061
Mailing Name:    SALZ LEATHERS INC.
Mailing Address: P.O. BOX 1840
                 SANTA CRUZ, CA  95061
County: SANTA CRUZ  Lat/Long:   36.987300 /  122.029300 (decimal degrees)
EPA ID: CAD009182981  TRI ID: 95060SLZLT1040R  D&B Number: 009182981
Public Contact: BURTON S. REES  Phone: (408) 423-4470
Tech. Contact: WARD ALKSNE  Phone: (408) 423-4470
Primary SIC: 3111    LEATHER TANNING AND FINISHING
Parent Company: NA  D&B #: NA
Year: 1996   EPA Region: 09
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Breakdown of releases and waste (by chemical) follows:

Chemical Name: CERTAIN GLYCOL ETHERS
CAS Number: N230                  (Name: SALZ LEATHERS INC.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR           9,032
STACK AIR             81,288
Total                 90,320

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:        114,143         90,320         70,000         60,000
Total:               114,143         90,320         70,000         60,000
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        90,320 (Production & Non-Production)
Production Ratio:   1.00
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Methods of source reduction used-
W13 IMPROVED MAINTENANCE SCHEDULING, RECORDKEEPING, OR PROCEDURES
W73 SUBSTITUTED COATING MATERIALS USED
W75 CHANGED FROM SPRAY TO OTHER SYSTEM
W82 MODIFIED DESIGN OR COMPOSITION OF PRODUCT

Chemical Name: CHROMIUM COMPOUNDS
CAS Number: N090                  (Name: SALZ LEATHERS INC.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR               5
WATER                      5   TO: SAN LORENZO RIVER
                               % from Storm Water:    .06
POTW WATER     (total below)   TO: SANTA CRUZ WATER POLLUTION CONTROL FACILITY
OFF-SITE               7,182   TO: SANTA CRUZ MUNICIPAL LANDFILL
                                   SANTA CRUZ, CA
                               USING: LANDFILL/DISPOSAL SURFACE IMPOUNDMENT
OFF-SITE               6,000   TO: CHEMICAL WASTE MANAGEMENT
                                   KETTLEMAN CITY, CA
                               USING: LANDFILL/DISPOSAL SURFACE IMPOUNDMENT
OFF-SITE               9,300   TO: ROEBUS LEATHER
                                   MADISON, IN
                               USING: OTHER REUSE OR RECOVERY
POTW TOTAL             2,000   (Total for all POTW transfers)
Total                 24,492

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:         17,541         15,180         16,000         15,000
Recycled Off:         14,080          9,300         10,000         10,000
Treated Off:           3,326              0              0              0
Total:                34,947         24,480         26,000         25,000
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        24,480 (Production & Non-Production)
Production Ratio:   0.90
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Methods of source reduction used-
W13 IMPROVED MAINTENANCE SCHEDULING, RECORDKEEPING, OR PROCEDURES

Chemical Name: FORMIC ACID
An IRIS report for this chemical is available.
CAS Number: 000064186             (Name: SALZ LEATHERS INC.)
Maximum Amount On Site: 10,000 - 99,999 LBS                (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
FUGITIVE AIR             250
Total                    250

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Treated On:          110,000        140,000        150,000        160,000
Total:               110,000        140,000        150,000        160,000
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :       140,000 (Production & Non-Production)
Production Ratio:   1.00

Totals for all chemicals for SALZ LEATHERS INC.
Releases and Transfers-
Fugitive air     :          9,287
Stack Air        :         81,288
Water            :              5
Total Releases   :         90,580
POTW Transfer    :          2,000
Recycling Trans. :          9,300
Disposal Transfer:         13,182
Total Transfers  :         24,482
Total            :        115,062                          (Year: 1996)
Total Production-Related Waste       :        254,800
Total Non-Production-Related Waste   :              0
Production-related waste was managed by-
Recycling Off-site                   :          9,300
Treatment On-site                    :        140,000
Release On-site or Disposal Off-site :        105,500

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Facility Name: SILICON SYS. INC.
Address: 2300 DELAWARE AVE.
         SANTA CRUZ, CA  95060
County: SANTA CRUZ  Lat/Long:   36.954530 /  122.058839 (decimal degrees)
EPA ID: CAT080034036  TRI ID: 95060SLCNS2300D  D&B Number: 064469679
Public Contact: DAVID PAIS  Phone: (408) 425-4280
Tech. Contact: CHRISTINE TETA  Phone: (408) 425-4233
Primary SIC: 3674    SEMICONDUCTORS AND RELATED DEVICES
Parent Company: TEXAS INSTRUMENTS  D&B #: 061555611
Year: 1996   EPA Region: 09
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Breakdown of releases and waste (by chemical) follows:

Chemical Name: CERTAIN GLYCOL ETHERS
CAS Number: N230                  (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR                  2
OFF-SITE              92,000   TO: LAIDLAW ENVIRONMENTAL SERVICES
                                   SAN JOSE, CA
                               USING: SOLVENTS/ORGANICS RECOVERY
Total                 92,002

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:              2              2              2              2
Recycled Off:        100,000         92,000         80,000         46,000
Total:               100,002         92,002         80,002         46,002
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        92,002 (Production & Non-Production)
Production Ratio:   1.40
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: HYDROGEN FLUORIDE
CAS Number: 007664393             (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR              2,110
Total                  2,110

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:             20          2,000          2,000          2,000
Treated On:           22,000         27,000         27,000         27,000
Total:                22,020         29,000         29,000         29,000
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        29,000 (Production & Non-Production)
Production Ratio:   1.40
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: NITRIC ACID
CAS Number: 007697372             (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR                150
Total                    150

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:             22            150            150            150
Treated On:           23,000         64,000         64,000         64,000
Total:                23,022         64,150         64,150         64,150
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        64,150 (Production & Non-Production)
Production Ratio:   1.40
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: N-METHYL-2-PYRROLIDONE
CAS Number: 000872504             (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR              6,000
POTW WATER     (total below)   TO: CITY OF SANTA CRUZ PUBLIC TREATMENT WORKS
OFF-SITE             150,000   TO: LAIDLAW ENVIRONMENTAL SERVICES
                                   SAN JOSE, CA
                               USING: SOLVENTS/ORGANICS RECOVERY
POTW TOTAL             1,600   (Total for all POTW transfers)
Total                157,600

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:         17,000          6,000          6,000          6,000
Recycled Off:        102,000        150,000        150,000        145,500
Treated Off:             990          1,600          1,600          1,600
Total:               119,990        157,600        157,600        153,100
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :       157,600 (Production & Non-Production)
Production Ratio:   1.40
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Chemical Name: PHOSPHORIC ACID
An IRIS report for this chemical is available.
CAS Number: 007664382             (Name: SILICON SYS. INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
No non-zero releases or transfers reported.

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Treated On:           57,000         63,000         63,000         63,000
Total:                57,000         63,000         63,000         63,000
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        63,000 (Production & Non-Production)
Production Ratio:   1.40

Totals for all chemicals for SILICON SYS. INC.
Releases and Transfers-
Stack Air        :          8,262
Total Releases   :          8,262
POTW Transfer    :          1,600
Recycling Trans. :        242,000
Total Transfers  :        243,600
Total            :        251,862                          (Year: 1996)
Total Production-Related Waste       :        405,752
Total Non-Production-Related Waste   :              0
Production-related waste was managed by-
Recycling Off-site                   :        242,000
Treatment On-site                    :        154,000
Treatment Off-site                   :          1,600
Release On-site or Disposal Off-site :          8,152

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Facility Name: WEST COAST CIRCUITS INC.
Address: 1080 W. BEACH ST.
         WATSONVILLE, CA  95076
Mailing Name:    WEST COAST CIRCUITS INC.
Mailing Address: P.O. BOX 2710
                 WATSONVILLE, CA  950772710
County: SANTA CRUZ  Lat/Long:   36.886111 /  121.770833 (decimal degrees)
EPA ID: CAD081448961  TRI ID: 95076WSTCS1080W  D&B Number: 081448961
Public Contact: TONY HERNANDEZ  Phone: (408) 728-4271
Tech. Contact: HUYEN HUYNH  Phone: (408) 728-4271
Primary SIC: 3672    CATHODE RAY TELEVISION PICTURE TUBES  (DISC. 1987,
Parent Company: NA  D&B #: NA
Year: 1996   EPA Region: 09
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Breakdown of releases and waste (by chemical) follows:

Chemical Name: COPPER COMPOUNDS
CAS Number: N100                  (Name: WEST COAST CIRCUITS INC.)
Maximum Amount On Site: 1,000 - 9,999 LBS                  (Year: 1996)
Medium        Release (lbs)    Destination or Method Used
------------  --------------   --------------------------
STACK AIR                  1
POTW WATER     (total below)   TO: CITY OF WATSONVILLE WASTEWATER TREATMENT PLANT
OFF-SITE               7,200   TO: SOLVENT SERVICE CO. INC.
                                   SAN JOSE, CA
                               USING: METALS RECOVERY
OFF-SITE               7,298   TO: PHIBRO TECH
                                   SANTA FE SPRINGS, CA
                               USING: METALS RECOVERY
OFF-SITE                 327   TO: J&B ENTERPRISES
                                   SANTA CLARA, CA
                               USING: METALS RECOVERY
POTW TOTAL                14   (Total for all POTW transfers)
Total                 14,840

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected)     1995           1996          1997*               1998*
Rel. or Disp:             22             26             26             26
Recycled Off:         20,910         14,817         14,817         14,817
Treated Off:              13             14             14             14
Total:                20,945         14,857         14,857         14,857
Non-production-related waste:             0 (accidental or remedial)
Total waste                 :        14,857 (Production & Non-Production)
Production Ratio:   0.73
    "Rel. or Disp" above = quantity released on-site or disposed off-site

Totals for this search for 1996
Releases and Transfers-
Fugitive air release    :         12,020
Stack air release       :         94,270
Water release           :              5
Total releases          :        106,295
POTW transfer           :          3,674
Recycling transfer      :        320,487
Disposal transfer       :         13,182
Total transfers         :        337,343
Total releases & trans. :        443,638
Total Production-Related Waste       :      2,737,449
Total Non-Production-Related Waste   :              0

Production-related waste was managed by-
Recycling Off-site                   :        320,479
Treatment On-site                    :      2,294,183
Treatment Off-site                   :          1,664
Release On-site or Disposal Off-site :        121,123

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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