395505 / MID041793340 GENERAL MOTORS CORPORATION

Site Information Site ID MID041793340 Site Legal Name GENERAL MOTORS CORPORATION WMD ID 395505 Site Specific Name GMC SAGINAW METAL CASTING District SAGINAW BAY   NAICS Codes 331524 - Aluminum Foundries (except Die-Casting)   Location Address Mailing Address 1629 N WASHINGTON AVE SAGINAW, MI 48601-1211 County: SAGINAW Country: U.S.A. 1629 N WASHINGTON AVE MC 486-629-011 SAGINAW, MI 48601-1211 County: SAGINAW Country: U.S.A.

Previous Site Names Name In-Active Date Legal Name GENERAL MOTORS CORP.-SAGINAW METAL CASTING 12/2/2003 No GMC POWERTRAIN SAGINAW METAL CASTING OPER 10/28/2002 No SAGINAW METAL CASTING OPERATIONS LANDFILL 9/18/2002 No GMPT - SAGINAW METAL CASTINGS OPERATIONS LANDFILL 9/3/2002 No GMC CENTRAL DIVISION SAGINAW PLANTS 1/1/1970 No GMC CENTRAL FOUNDRY DIVISION SAGINAW PLANTS 1/1/1970 No GMC CENTRAL FOUNDRY SAGINAW 1/1/1970 Yes

Site Owners / Operators Name Org Type Active Inactive Owner Operator GMC CHEVROLET SAGINAW CASTING & PARTS PL Private 4/26/1995 Yes Yes GMC POWERTRAIN SAGINAW METAL CASTINGS OP Private 1/1/1914 Yes No

Current Site Activities Discovery Date Source Activity 4/15/2009 Notification (Site) Hazardous Waste Activities Large Quantity Generator Polychlorinated Biphenyls Generated an item, product, or material containing a concentration equal to or greater than 100 ppm of PCB Liquid Industrial Waste Activities LIW Generator Universal Waste Activities Large Quantity Handler Batteries - Generated Mercury Thermostats - Generated Elemental Mercury - Generated Mercury Switches - Generated Electric Lamps - Generated Consumer Electronics - Generated

Previous Site Activities                    Discovery Date Source Activity 2/26/2008 Biennial Reporting (Site) Hazardous Waste Activities Large Quantity Generator Polychlorinated Biphenyls Generated an item, product, or material containing a concentration equal to or greater than 100 ppm of PCB Liquid Industrial Waste Activities LIW Generator 3/29/2007 Notification (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Polychlorinated Biphenyls Generated an item, product, or material containing a concentration equal to or greater than 100 ppm of PCB Liquid Industrial Waste Activities LIW Generator 2/24/2006 Biennial Reporting (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Polychlorinated Biphenyls Generated an item, product, or material containing a concentration equal to or greater than 100 ppm of PCB Liquid Industrial Waste Activities LIW Generator 3/23/2005 State (State) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Polychlorinated Biphenyls Generated an item, product, or material containing a concentration equal to or greater than 100 ppm of PCB Liquid Industrial Waste Activities LIW Designated Facility Universal Waste Activities Large Quantity Handler Batteries - Generated Mercury Thermostats - Generated Elemental Mercury - Generated Mercury Switches - Generated Electric Lamps - Generated Consumer Electronics - Generated 2/26/2004 Biennial Reporting (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Liquid Industrial Waste Activities LIW Generator Universal Waste Activities Large Quantity Handler Batteries - Accumulated Thermostats - Generated Mercury Thermostats - Generated Elemental Mercury - Generated Mercury Switches - Generated Electric Lamps - Generated 4/30/2003 Notification (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Liquid Industrial Waste Activities LIW Generator Universal Waste Activities Large Quantity Handler Batteries - Generated Thermostats - Accumulated Mercury Thermostats - Accumulated Mercury Switches - Accumulated Electric Lamps - Accumulated 2/26/2002 Biennial Reporting (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite Liquid Industrial Waste Activities LIW Generator Universal Waste Activities Large Quantity Handler Batteries - Generated Thermostats - Accumulated Mercury Thermostats - Accumulated Elemental Mercury - Accumulated Mercury Switches - Accumulated Electric Lamps - Accumulated 3/13/2000 Notification (Site) Hazardous Waste Activities Large Quantity Generator Treats Onsite Stores Onsite 11/18/1980 Part A (Site) Hazardous Waste Activities Stores Onsite 8/18/1980 Notification (Site) Hazardous Waste Activities Large Quantity Generator Stores Onsite

Site Comments Date Type Comment 5/12/2009 111/121-HW/LIW 2008 USER CHARGE-STATUS REMAINS LQG, GENERATED PCB, ADDING BATTERIES, THERMOMETERS, MERCURY, SWITCHES, LAMPS, ELECTRONICS, AND LIW GENERATOR-RM 2/26/2008 111/121-HW/LIW 2007 BIENNIAL REPORT - GMC REPORTED THEY ARE AN LQG AND A LIW GENERATOR-ES. 3/29/2007 111/121-HW/LIW SUBSEQUENT NOTIFICATION SUBMITTED WITH 2006 USER CHARGE - CHANGED THE APPROXIMATE NUMBER OF EMPLOYEES. THEY DIDN'T MARK THAT THEY ARE A TSD. CHECKED WITH JACK SCHINDERLE, WHO SAID THAT THEY ARE STILL A TSD. SO A.3.a & b WERE CHECKED BY SITE ID STAFF. GEK 2/24/2006 111/121-HW/LIW 2005 BIENNIAL REPORT - FACILITY REPORTED THEY REMAIN AS AN LQG, LIW GENERATOR, AND THEY ALSO GENERATE PCBS. THE STATE ENTERED TREATS AND STORES WASTE ON SITE BECAUSE THE FACILITY DID NOT INDICATE THEIR TSD STATUS WHICH MUST BE RETAINED-ES. 4/19/2005 111/121-HW/LIW 2004 USER FEE-STATUS REMAINS LQG WITH POLYCHLORINATED BIPHENYLS, LIQUID INDUSTRIAL WASTE GENERATOR, GENERATING BATTERIES, THERMOMETERS, MERCURY, SWITCHES, LAMPS, AND ELECTRONICS. THE STATE ENTERED TREATS AND STORES WASTE ON SITE BECAUSE THE FACILITY DID NOT INDICATE THEIR TSD STATUS WHICH MUST BE RETAINED-RM 2/26/2004 111/121-HW/LIW 2003 BIENNIAL REPORT - FACILITY REPORTED AS LQG OF HAZARDOUS WASTE AND LIW GENERATOR-ES. 5/21/2003 111/121-HW/LIW FEES & UPDATES-CHANGES, CONTACT INFO, LQG STATUS, LIW GENERATOR, ACCUMULATING: THERMOSTATS; MERCURY THERMOSTATS; MERCURY SWITCHES; ELECTRIC LAMPS, GENERATING OVER 5000 KG BATTERIES. THE STATE ENTERED TREATS AND STORES WASTE ON SITE BECAUSE THE FACILITY DID NOT INDICATE THEIR TSD STATUS WHICH MUST BE RETAINED-BUD 2/26/2002 111/121-HW/LIW 2001 BIENNIAL REPORT - CHANGE CONTACT NAME ALSO TREATS, STORES AND DISPOSES OF WASTE ON SITE AS CONFIRMED BY HWPS-ES. 5/4/2001 111/121-HW/LIW The data under activity type for designated facility (hazardous waste received from off-site) is not accurate at this time-es. 3/20/2001 111/121-HW/LIW 3/13/00-CHANGE MAILING ADDRESS, CONTACT-DB