REPORTING YEAR: 1997

Breakdown of releases and waste (by chemical) follows:

Chemical Name: NITRIC ACID
CAS Number: 007697372 (Name: COLUMBIA PACIFIC ALUMINUM CORP)
Maximum Amount On Site: 100,000 - 999,999 LBS (Year: 1997)

Medium	Release (lbs)	Destination or Method Used
STACK AIR	1
Total:	1

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.

Quantity	1996 amount	1997 amount	1998 amount	1999 amount
Release Onsite or Disposal Offsite	2	1	1	1
Treatment Onsite	320,000	660,000	660,000	660,000
Total	320,002	660,001	660,001	660,001

Non-production-related waste: 0 (accidental or remedial)
Total waste : 660,001 (Production & Non-Production)
Production Ratio: 1.00

Chemical Name: PHOSPHORIC ACID
CAS Number: 007664382 (Name: COLUMBIA PACIFIC ALUMINUM CORP)
Maximum Amount On Site: 1,000,000 - 9,999,999 LBS (Year: 1997)

Medium	Release (lbs)	Destination or Method Used
STACK AIR	21
OFF-SITE	135	To: CHEMICAL WASTE MANAGEMENT , KETTLEMAN CITY, CA Using: LANDFILL/DISPOSAL SURFACE IMPOUNDMENT
Total:	156

Management of production-related waste-
Quantities for 1998 and 1999 years below are estimates for future years.

Quantity	1996 amount	1997 amount	1998 amount	1999 amount
Release Onsite or Disposal Offsite	2	21	21	21
Recycling Onsite	0	1,097,779	1,000,000	1,000,000
Total	2	1,097,800	1,000,021	1,000,021

Non-production-related waste: 0 (accidental or remedial)
Total waste : 1,097,800 (Production & Non-Production)
Production Ratio: 0.83

Methods of source reduction used-
W49 OTHER RAW MATERIAL MODIFICATIONS


Totals for all chemicals for COLUMBIA PACIFIC ALUMINUM CORP PACIFIC EXTRUSION

Releases and Transfers-
Stack Air:	22
Total Releases:	22
Disposal Transfer:	135
Total Transfers:	135
Total releases and transfers:	157

Total Production-Related Waste :	1,757,801
Total Non-Production-Related Waste :	0
Production-related waste managed by-
Recycling On-site:	1,097,779
Treatment On-site:	660,000
Release On-site or Disposal Off-site:	22

Source: RTK Net

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