Document ID: EPA-HQ-RCRA-2006-0984-0077
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2007-01-18T05:00Z

The Motor Vehicle Manufacturing Industry Applying Aluminum Parts --

Leachable Chromium Data

Facility Name	City	State	Sample Date	Sample ID	Duplicate Indicator
Constituent Name	Leachable Actual or Calculated	Analytical Method
Leachable Result	Units	Leachable Non-Detect Indicator	Leachable
Detection Limit mg/L	Leachable Detection Limit Data Qualifier
Description

Ford MI Truck/Wayne Integrated Stamping & Assembly	WAYNE	MI

Drum #5	N	chromium	actual

0.018	mg/L

0.14	J	The associated value is an estimated quantity.

Ford MI Truck/Wayne Integrated Stamping & Assembly	WAYNE	MI

Drum #6	N	chromium	actual

0.031	mg/L

0.2	J	The associated value is an estimated quantity.

GM Flint Truck	FLINT	MI

FT-1	N	chromium	actual

0.19	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-2	N	chromium	actual

0.009	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-3	N	chromium	actual

0.44	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-4	N	chromium	actual

0.057	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-5	N	chromium	actual

0.068	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-6	N	chromium	actual

0.041	mg/L

	J	Estimate

	GM Flint Truck	FLINT	MI

FT-7	N	chromium	actual

0.53	mg/L

	J	Estimate

	GM Grand River Plant	LANSING	MI

LGR-3	N	chromium	actual

0.0027	mg/L

	GM Grand River Plant	LANSING	MI

LGR-4	N	chromium	actual

0.043	mg/L

	GM Grand River Plant	LANSING	MI

LGR-5	N	chromium	actual

0.017	mg/L

	GM Hamtramck Plant	DETROIT	MI

H1-1	N	chromium	actual

0.027	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-2	N	chromium	actual

0.034	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-3	N	chromium	actual

0.054	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-4	N	chromium	actual

0.044	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-5	N	chromium	actual

0.028	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-6	N	chromium	actual

0.044	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H1-7	N	chromium	actual

0.037	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-1	N	chromium	actual

0.038	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-2	N	chromium	actual

0.056	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-3	N	chromium	actual

0.06	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-4	N	chromium	actual

0.05	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-5	N	chromium	actual

0.055	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-6	N	chromium	actual

0.053	mg/L

	J	Estimate

	GM Hamtramck Plant	DETROIT	MI

H2-7	N	chromium	actual

0.049	mg/L

	J	Estimate

	GM Lansing Assembly Center	LANSING	MI	12/19/1997	LAN-S01-01	N	chromium
actual	Method 6020	0.089	mg/L

	X	One of the two OWEP metals results was non-detect (TCLP or soxhlet). 
The detection level was used in the calculation to be conservative.

	GM Lansing Assembly Center	LANSING	MI	12/19/1997	LAN-S01-02	N	chromium
actual	Method 6020	0.113	mg/L

	X	One of the two OWEP metals results was non-detect (TCLP or soxhlet). 
The detection level was used in the calculation to be conservative.

	GM Lansing Assembly Center	LANSING	MI	12/19/1997	LAN-S01-03	N	chromium
actual	Method 6020	0.164	mg/L

	X	One of the two OWEP metals results was non-detect (TCLP or soxhlet). 
The detection level was used in the calculation to be conservative.

	GM Lansing Assembly Center	LANSING	MI	1/29/1998	LAN-S02-01	N	chromium
actual	Method 6020	0.135	mg/L

	X	One of the two OWEP metals results was non-detect (TCLP or soxhlet). 
The detection level was used in the calculation to be conservative.

	GM Lansing Assembly Center	LANSING	MI	1/29/1998	LAN-S02-02	N	chromium
actual	Method 6020	0.152	mg/L

	JX	Estimate, one of the two OWEP metals results was non-detect (TCLP or
soxhlet).  The detection level was used in the calculation to be
conservative.

	GM Lansing Assembly Center	LANSING	MI	1/29/1998	LAN-S02-03	N	chromium
actual	Method 6020	0.112	mg/L

	JX	Estimate, one of the two OWEP metals results was non-detect (TCLP or
soxhlet).  The detection level was used in the calculation to be
conservative.

	GM Lansing Assembly Center	LANSING	MI	11/16/2000	3880.01	N	chromium
actual	Method 6020	0.0601	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/16/2000	3880.02	N	chromium
actual	Method 6020	0.0449	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/16/2000	3880.03	N	chromium
actual	Method 6020	0.0513	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/16/2000	3880.04	N	chromium
actual	Method 6020	0.05	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/16/2000	3880.05 (Dup of
3880.01)	Y	chromium	actual	Method 6020	0.0406	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/1/2001	7454.01	N	chromium
actual

0.03	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/1/2001	7454.02	N	chromium
actual

0.03	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/1/2001	7454.03	N	chromium
actual

0.03	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/1/2001	7454.04	N	chromium
actual

0.03	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/1/2001	Dup of 7454.01	Y
chromium	actual	Method 6020	0.03	mg/L

	GM Lansing Assembly Center	LANSING	MI	10/15/2002	10738.01	N	chromium
actual

0.11	mg/L

	GM Lansing Assembly Center	LANSING	MI	10/31/2002	10904.01	N	chromium
actual

0.17	mg/L

	GM Lansing Assembly Center	LANSING	MI	11/25/2002	11180.01	N	chromium
actual

0.04	mg/L

	GM Lansing Assembly Center	LANSING	MI	12/6/2002	11327.01	N	chromium
actual

0.15	mg/L

	GM Lansing Assembly Center	LANSING	MI	12/6/2002	11327.02	N	chromium
actual

0.11	mg/L

	GM Lansing Assembly Center	LANSING	MI	10/16/2003	S14816.01	N	chromium
actual

0.18	mg/L

	GM Lordstown Assembly Plant	LORDSTOWN	OH	12/16/1997	LOR-S01-01	N
chromium	actual

0.127	mg/L

	JX	Estimate, ne of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Lordstown Assembly Plant	LORDSTOWN	OH	12/16/1997	LOR-S01-02	N
chromium	actual

0.095	mg/L

	JX	Estimate, ne of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Lordstown Assembly Plant	LORDSTOWN	OH	12/16/1997	LOR-S01-03	N
chromium	actual

0.098	mg/L

	JX	Estimate, ne of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Lordstown Assembly Plant	LORDSTOWN	OH	12/16/1997	LOR-S01-04	N
chromium	actual

0.079	mg/L

	JX	Estimate, ne of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Lordstown Assembly Plant	LORDSTOWN	OH	6/9/1998	LOR-S02-01	N	chromium
actual

0.099	mg/L

	X	One of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Lordstown Assembly Plant	LORDSTOWN	OH	6/9/1998	LOR-S02-02	N	chromium
actual

0.076	mg/L

	X	One of the two OWEP metals results (TCLP or soxhlet) was
non-detected. The OWEP concentration was calculated by assuming that the
sample quantitation limit for the non-detected result was a worst-case
contribution.

	GM Oklahoma City	OKLAHOMA CITY	OK	12/16/1997	OKL-S01-01	N	chromium
actual

0.172	mg/L

	GM Oklahoma City	OKLAHOMA CITY	OK	12/16/1997	OKL-S01-02	N	chromium
actual

0.159	mg/L

	GM Oklahoma City	OKLAHOMA CITY	OK	12/16/1997	OKL-S01-03	N	chromium
actual

0.152	mg/L

	GM Oklahoma City	OKLAHOMA CITY	OK	12/16/1997	OKL-S01-04	N	chromium
actual

0.139	mg/L

	GM Oklahoma City	OKLAHOMA CITY	OK	6/11/1998	OKL-S02-01	N	chromium
actual

0.063	mg/L

	JX	Estimate, one of the OWEP extractions was ND, final result
conservatively calculated using the sample quantitation limit in the
final calculation of mobile metals concentration.

	GM Oklahoma City	OKLAHOMA CITY	OK	6/11/1998	OKL-S02-02	N	chromium
actual

0.038	mg/L

	X	One of the OWEP extractions was ND, final result conservatively
calculated using the sample quantitation limit in the final calculation
of mobile metals concentration.

	GM Oklahoma City	OKLAHOMA CITY	OK	6/11/1998	OKL-S02-03	N	chromium
actual

0.086	mg/L

	X	One of the OWEP extractions was ND, final result conservatively
calculated using the sample quantitation limit in the final calculation
of mobile metals concentration.

	GM Oklahoma City	OKLAHOMA CITY	OK	6/11/1998	OKL-S02-04	N	chromium
actual

0.056	mg/L

	X	One of the OWEP extractions was ND, final result conservatively
calculated using the sample quantitation limit in the final calculation
of mobile metals concentration.

	GM Oklahoma City	OKLAHOMA CITY	OK	6/11/1998	OKL-S02-05	N	chromium
actual

0.039	mg/L

	X	One of the OWEP extractions was ND, final result conservatively
calculated using the sample quantitation limit in the final calculation
of mobile metals concentration.

	GM Orion Assembly Center	LAKE ORION	MI	2/20/1995	UPCU 4103788/255-008 -
RB-4	N	chromium	actual

0.009	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	2/20/1995	UPCU 4108183/255-003 -
RB-1	N	chromium	actual

0.005	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	2/20/1995	UPCU 4117098/255-004 -
RB-2	N	chromium	actual

0.005	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	3/5/1998	FC-1	N	chromium	actual

0.31	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/3/1998	WWTPS I	N	chromium
actual

0.01	mg/L

0.01

	GM Orion Assembly Center	LAKE ORION	MI	12/3/1998	WWTPS II	N	chromium
actual

0.02	mg/L

0.01

	GM Orion Assembly Center	LAKE ORION	MI	9/20/1999	99-20 WWTP #3	N
chromium	actual

0.04	mg/L

0.01

	GM Orion Assembly Center	LAKE ORION	MI	9/20/1999	99-21 WWTP #4	N
chromium	actual

0.02	mg/L

0.01

	GM Orion Assembly Center	LAKE ORION	MI	12/13/2000	SAMPLE #1 COMPOSITE	N
chromium	actual

0.17	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/13/2000	SAMPLE #2 COMPOSITE	N
chromium	actual

0.17	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/13/2000	SAMPLE #3 COMPOSITE	N
chromium	actual

0.16	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/13/2000	SAMPLE #4 COMPOSITE	N
chromium	actual

0.098	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/21/2000	COMPOSITE	N	chromium
actual

0.36	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	12/28/2000	COMPOSITE	N	chromium
actual

0.021	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	1/30/2001	2001 Verification 1	N
chromium	actual

0.15	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	1/30/2001	2001 Verification 2	N
chromium	actual

0.11	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	3/29/2001	2001 Verification 5	N
chromium	actual

0.036	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	4/23/2001	2001 Verification 7	N
chromium	actual

0.058	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	8/15/2001	2001 Verification 11	N
chromium	actual

0.029	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	10/15/2001	2001 Verification 12
N	chromium	actual

0.078	mg/L

	GM Orion Assembly Center	LAKE ORION	MI	2/12/2002	2002 Verification 1	N
chromium	actual

0.29	mg/L

	GM Pontiac East Plant	PONTIAC	MI

PE-1	N	chromium	actual

0.073	mg/L

	J	Estimate

	GM Pontiac East Plant	PONTIAC	MI

PE-2	N	chromium	actual

0.085	mg/L

	J	Estimate

	GM Pontiac East Plant	PONTIAC	MI

PE-3	N	chromium	actual

0.055	mg/L

	J	Estimate

	GM Pontiac East Plant	PONTIAC	MI

PE-4	N	chromium	actual

0.28	mg/L

	GM Pontiac East Plant	PONTIAC	MI

PE-5	N	chromium	actual

0.039	mg/L

	J	Estimate

	GM Pontiac East Plant	PONTIAC	MI

PE-6	N	chromium	actual

0.083	mg/L

	J	Estimate

	GM Pontiac East Plant	PONTIAC	MI

PE-7	N	chromium	actual

0.068	mg/L

	J	Estimate

n 

91

	MAXIMUM

0.53

	MEAN

0.0912923

	MEDIAN

0.057

	Std. Dev.

0.0914913

90th Percentile	0.17

	50th Percentile	0.057