WQ0002702_Regional Office Historical File Pre 2018 (3)

INV
.�copy
NorthNCDENR
• . Department of • and Natural Resources
Beverly Eaves Perdue
Governor
Alchem, Inc.
2042 Buie Philadelphus Road
Red Springs, North Carolina 28337 :}
Attention: Randall Andrews
Dear Mr. Andrews:
Coleen H. Sullins
Division of Water Quality
Dee Freeman
Secretary
March 29, 2010
RE: Acknowledgement of Receipt
Comprehensive Site Assessment Addendum B
Red Road Facility, Rockwell
Rowan County, N.C.
The referenced report was received in this office on March 12, 2010. A review of Addendum B indicates that the horizontal extent
of contamination in the shallow part of the aquifer has been delineated. However, to the east-northeast and southwest (a recharge
zone) of the Alchem property, extent at depth remains incomplete. Within 30 days of receipt of this letter, please submit a proposal
as to how such extent can be determined.
Should you have any questions, please call me at 704/235-2183 or contact me via email at: peggy.finley(a.ncdenr.gov.
Sincerely,
-a
Peggy Finley
Environmental Specialist
Cc: Jason Desiato — Alchem, Inc., 8135 Red Road, Rockwell 28138
John Reuscher, P.G. — Delta Consultants, 8008 Corporate Center Dr., Ste.100, Charlotte 28226
MAF/achem/CSA/ack 3-29-10
610 East Center Avenue, Suite 301, Mooresville, North Carolina 28115
Phone: [phone] FAX: [phone] Internet: www,ncwaterquality.org
An Equal Opportunity 1 Affirmative Action Employer — 50% Recycled l 10% Post Consumer Paper
Nne
orthCarolina
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SUSTAINABLE STRATEGIES FOR GLOBAL LEADERS
DELTA
.mom.,.
XInogen
Environmental Alliance
March 11, 2010
North Carolina Department of Envi
and Natural Resources
Division of Water Quality
Aquifer Protection Section
610 East Center Avenue, Suite 301
Mooresville, North Carolina 28115
Attn: Peggy Finley
MAR 1 2 2010 11
Subject: COMPREHENSIVE SITE ASSESSMENT —
ADDENDUM B
Alchem, Inc. Site
Rockwell, Rowan County, North Carolina
Incident No.: 200502451
Delta Project No.: 5EO702101P
Dear Ms. Finley
On behalf of Alchem, Inc. (Alchem), Delta Consultants is pleased to
provide the attached Comprehensive Site Assessment — Addendum B
report for the referenced site. The activities detailed in the attached
report were performed as requested by you in correspondence to
Alchem dated October 14, 2009 and to fulfill additional requirements
of the Notice of Violation issued to Alchem dated February 5, 2008.
If you have any questions or comments, please do not hesitate to
contact me at [phone] or at [e-mail].
Sincerely,
DELTA CONSULTANTS
(�;o D. Reuscher, P.G.
Project Manager
PC: Randall F. Andrews — Alchem, Inc.; Red Springs, NC
Jason A. Desiato — Alchem, Inc.; Rockwell, NC
8008 CORPORATE CENTER DRIVE SUITE 100 CHARLOTTE, NORTH CAROLINA 28226 USA
PHONE [phone] FAx [phone] WWW.DELTAENV.COM

COMPREFIENSIVE SITE ASSESSMENT ADDENDUM B
ALCHEM, INC.
8135 RED ROAD
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.. SE0805096P
March 11, 2010
GROUNDWATER INCIDENT NO.: 200502451
PERSON RESPONSIBLE: ALCHEM, INC.
8135 Red Road
D EC E0WIE
MAR 12 2010
NC DFNR MRO
DWQ -Aquifer Protection
Rockwell, NC 28138
704-279-7908
PROPERTY OWNER: ALCHEM, INC.
8135 Red Road
Rockwell, NC 28138
704-279-7908
CONSULTANT: DELTA CONSULTANTS
8008 Corporate Center Drive
Suite 100
Charlotte, NC 28078
704-543-3928
RELEASE INFORMATION: Discovery Date: November 2007
Estimated Quantity: Unknown
Cause of Release: Unknown
Source: Unknown
LATITUDEILONGITUDE: 35° 33' 52" N, 800 25' 22" W
I
J D. ReuscheF. 1 4o o=
Project Manager ®•o U'�cpp \ra a©
NC Licensed Geoloa
lilpil
D E. L�\
8008 Corporate Center Dr. Suite 100, Charlotte, North Carolina 28226
704 541 9890 800 477 7411

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2.0
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2.3
3.0
4.0
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5.0
6.0
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TABLE OF CONTENTS
INTRODUCTION................................................................................................................................... 2
ADDITIONAL GROUNDWATER ASSESSMENT............................................................................ 2
Groundwater Monitoring Well Installations...................................................................................2
Groundwater Flow and Hydraulic Gradients..................................................................................2
GroundwaterSampling...................................................................................................................3
LABORATORY ANALYTICAL RESULTS....................................................................................... 4
CONCLUSIONS..................................................................................................................................... 4
RECOMMENDATION.......................................................................................................................... 5
REMARKS.............................................................................................................................................. 6
TABLES
Table 1 Groundwater Elevation Data — February 20, 2010
Table 2 Vertical Hydraulic Gradient Calculations — February 20, 2010
Table 3 Groundwater Field Parameters — February 20, 2010
Table 4 Groundwater Analytical Data — February 20-21, 2010
FIGURES
Figure 1 Monitoring Well Location Map
Figure 2 Shallow Groundwater Contour Map (February 2010)
Figure 3 Shallow Groundwater pH Isoconcentration Map (February 2010)
Figure 4 Lateral Extent of Sulfate in Shallow Groundwater (February 2010)
APPENDICES
Appendix A NCDOT and NCDENR Permits
Appendix B Boring Logs/Well Schematics/Well Construction Records
Appendix C Survey Plat Map
Appendix D GW-59A and GW 59 Forms
Appendix E Groundwater Laboratory Analytical Reports and Chain of Custody Records
Appendix F Historical Groundwater Analytical Table

ABBREVIATIONS AND ACRONYMS
2L Standards NCAC-21, groundwater standards
4-H of Hope Ministries Heart to Heart Helping Hands of Hope Ministries, Inc. (adjacent property)
Alchem
Alchem, Inc.
APS
Aquifer Protection Section
AST
Aboveground Storage Tank
bgs
below ground surface
Children's Home
Nazareth Children's Home (adjacent property)
CSA
Comprehensive Site Assessment
Delta
Delta Consultants, Inc.
DO
Dissolved Oxygen
DWQ
Division of Water Quality
EDR
Environmental Data Resources, Inc.
EPA
Environmental Protection Agency
ft
feet or foot
ft/ft
feet/foot
GCMD
Groundwater Compliance Monitoring Data
GEX
Geologic Exploration, Inc.
GIS
Geographic and Information Services
Guidelines
Groundwater Section Guidelines for the Investigation and Remediation of Soil
and Groundwater
MDL
Method Detection Limit
mg/L
Milligrams per Liter
mg/kg
Milligrams per Kilogram
MRO
Mooresville Regional Office (NCDENR)
MSCC
Maximum Soil Contaminant Concentration
MSL
Mean Sea Level
MW
Monitoring Well
NCAC
North Carolina Administrative Code
NCDENR
North Carolina Department of Environment and Natural Resources
NCGQS
North Carolina Groundwater Quality Standard
NCGS
North Carolina Geologic Survey
NOV
Notice of Violation
ORP
Oxygen -Reduction Potential
Pace
Pace Analytical Services, Inc.
pH
Potential Hydrogen
PID
Photoionization Detector
ppm
parts per million
PRG
EPA Region IX Preliminary Remediation Goals
Site
8135 Red Road, Rockwell, Rowan County, North Carolina
Survey Co.
The Survey Company
SWAP
Source Water Assessment and Protection
SVOC
Semi -Volatile Organic Compound
TCLP
Toxicity Characteristic Leaching Procedure
TDS
Total Dissolved Solids
Town
Town of Rockwell, Rowan County, North Carolina
TSS
Total Suspended Solids
URS
URS Corporation
VOC
Volatile Organic Compound

COMPREHENSIVE SITE ASSESSMENT (CSA) ADDENDUM B
ALCHEM, INC
8135 RED ROAD
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
350 33' 52" N, 800 25' 22" W
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5EO805096P
1.0 INTRODUCTION
This report documents activities conducted at the Alchem, Inc. (Alchem) facility located at 8135 Red Road
in Rockwell, Rowan County, North Carolina. This report in intended to update the North Carolina
Department of Environment and Natural Resources (NCDENR), Division of Water Quality (DWQ),
Aquifer Protection Section (APS) on recent groundwater assessment activities conducted at the site since
submittal of the Comprehensive Site Assessment Addendum A (CSA-A) on August 28, 2009 and the
Quarterly Groundwater Monitoring Results on December 12, 2009.
The assessment activities summarized in this report were conducted in general accordance with 15A NCAC
2L .0106 as summarized in the NCDENR guidance document entitled Groundwater Section Guidelines for
the Investigation and Remediation of Soil and Groundwater (Guidelines) dated July 2000.
2.0 ADDITIONAL GROUNDWATER ASSESSMENT
2.1 Groundwater Monitoring Well Installations
In February 2010, Delta provided oversight for the installation of two groundwater monitoring wells
(MW-11 and MW-I ID) within the North Carolina Department of Transportation (NCDOT) right-of-way
along Red Road, two monitoring wells on property owned by Industrial & Agricultural Chemicals located
east of the Alchem site (MW-12 and MW-12D), and one monitoring well on the east side of the Alchem
site (MW-7D). The five new monitoring wells are presented on Figure 1. Delta completed the well
installations in accordance with NCDENR Monitoring Well Construction Permit Number WM0300559
and NCDOT Encroachment Number 09-096-RE (Appendix A).
The groundwater monitoring wells were constructed as Type Il wells with ten feet of two-inch diameter
Schedule 40, 0.0010-inch slotted PVC screen. Monitoring wells MW-11 and MW-12 were advanced into
the shallow water table to total depths of approximately 30 feet below ground surface (bgs) and 40 feet
bgs, respectively.

Comprehensive Site Assessment Addendum B
Alchem, Inc.
_ 8135 Red Road
Rockwell, Rowan County, North Carolina
Groundwater Incident No.: 200502451
Delta Project No.: 5E0805096P
Page 2 of 6
Monitoring wells MW-7D, MW-11D, and MW-12D were advanced to the top of apparent competent
bedrock to total depths of approximately 79.5, 80, and 100 feet bgs, respectively. The monitoring wells
were developed following completion to remove suspended colloidal material from groundwater and
improve the hydraulic connection between the aquifer and sand pack. The soil boring logs, well
completion schematics, and well construction records for MW-7D, MW-11, MW-11D, MW-12, and
MW-12D are contained in Appendix B.
Following construction, the monitoring wells were surveyed by The Survey Company and tied into the
existing survey of the site and monitoring well network. A copy of the survey plat is contained in
Appendix C.
2.2 Groundwater Flow and Hydraulic Gradients
Depth -to -water measurements were collected from the on -site and off -site groundwater monitoring wells
on February 20, 2010. The depth -to -water measurements were collected using a decontaminated
electronic water level indicator with an accuracy of 0.01 feet. Disposable nitrile gloves were worn and
changed between measurements. Groundwater elevation data collected on February 20, 2010 are
summarized in Table 1.
Groundwater flow direction in the shallow aquifer was estimated by developing a groundwater contour
map based on water table elevation data obtained from the monitoring wells on February 20, 2010
(Figure 2). Based on these data, the horizontal water table gradient as measured from monitoring well
MW-1 to MW-8 was calculated to be approximately 0.032 feet per feet (ft/ft) with flow to the northeast
and from monitoring well MW-5 to MW-4 the gradient was calculated to be approximately 0.005 ft/ft
with flow to the southeast. The shallow groundwater flow across the site generally radiates from the area
near MW-1 and MW-9, which is the apparent hydraulic high at the site. This flow direction is consistent
with previous determinations made at the site.
Vertical hydraulic gradients were calculated from the depth -to -water measurements collected from the
Type II well pairs located on -site and off -site. Downward vertical hydraulic flow was measured at 0.019
ft/ft, 0.024 ft/ft, 0.022 ft/ft, and 0.005 ft/ft from monitoring well pairs MW-6/MW-6D, MW-7/MW-7D,
MW-11/MW-11D, and MW-12/MW-12D. The static water levels measured on February 20, 2010

Comprehensive Site Assessment Addendum B
Alchem, Inc.
8135 Red Road
Rockwell, Rowan County, North Carolina
?_ Groundwater Incident No.: 200502451
Delta Project No.: 5EO805096P
Page 3 of 6
indicate that the average vertical hydraulic gradient at and in the vicinity of the site is slightly downward
at 0.0175 ft/ft (Table 2).
2.3 Groundwater Sampling
From February 20 to 21, 2010, Delta purged the 10 on -site and six off -site monitoring wells of three
volumes of groundwater or until dry using a decontaminated, stainless steel, submersible pump. On -site
water -supply wells WS-2 and WS-3 were allowed to run for approximately 15 minutes prior to collecting
groundwater samples in order to remove stagnant water from the pumps and associated lines. Purge
water was subsequently disposed in Pond #1. Water samples from the off -site water -supply wells
(Beaver, Daniels, and Samples) were collected in the same way as the on -site water -supply wells. New
nitrile gloves were worn during the purging and sampling of each well to minimize the potential for cross -
contamination during the sampling process. Field measurements of pH, electrical conductivity, dissolved
oxygen, oxidation reduction potential, turbidity, and temperature were collected from the groundwater
samples collected during these activities. Groundwater field measurements are summarized in Table 3.
-- On -site water -supply well WS-1 was inoperable at the time of this sampling event.
The groundwater samples collected from the monitoring wells and water -supply wells were decanted into
pre -labeled, laboratory -supplied containers, placed on ice in a cooler, and transported to Pace Analytical
Services, Inc. (Pace) under chain -of -custody for laboratory analysis of pH according to EPA Method
9040, and sulfate according to Method ASTM D516-90. As part of Alchem's permit to operate the on -
site lagoon recycle system (Permit No. WQ0002702), a water sample was also collected from the stream
on the Samples property for analysis of pH and sulfate. In addition, water samples collected from
monitoring wells MW-1, MW-2, MW-3, and the stream were submitted to Pace for analysis of total and
dissolved aluminum according to EPA Method 6010, specific conductance according to EPA Method
120.1, total dissolved solids according to Standard Method 2540C, and total suspended solids according
to Standard Method 2540D. These results were summarized on forms GW-59A and GW-59 and
submitted to the Information Processing Unit of the NCDENR, DWQ on March 4, 2010. A copy of that
transmittal package is included in Appendix D.

Comprehensive Site Assessment Addendum B
Alchem, Inc.
8135 Red Road
Rockwell, Rowan County, North Carolina
Groundwater Incident No.: 200502451
Delta Project No.: 5EO805096P
Page 4 of 6
3.0 LABORATORY ANALYTICAL RESULTS
The laboratory analytical reports and chain -of -custody records for the groundwater samples collected in
February 2010 are provided in Appendix E. The pH and sulfate results are summarized in Table 4.
Historical groundwater analytical results are summarized in the table contained in Appendix F.
As summarized, pH was below the NCDENR Groundwater Quality Standard (2L Standard) range of 6.5
to 8.5 Standard Units (SU) in the groundwater samples collected from the on -site and off -site monitoring
wells and the on -site water -supply wells. The lowest pH (3.5 SU) was detected in the water samples
collected from MW-3 and MW-4, which are located in the southern portion of the property. The
groundwater samples collected from monitoring wells MW-8, MW-11D, MW-12, and MW-12D
exhibited pH values slightly below the 6.5 SU lower limit. The water samples collected from off -site
water -supply wells Beaver, Daniels, and Samples exhibited pH values at or above 6.5 SU.
Sulfate concentrations were detected above the 2L Standard of 250 mg/L in the water samples collected
from monitoring wells MW-1 (749 mg/L), MW-3 (1,970 mg/L), MW-4 (6,050 mg/L), MW-6 (1,420
mg/L), MW-6D (32,800 mg/L), MW-7D (1,190 mg/L), and MW-12D (511 mg/L) and water -supply wells
WS-2 (3,970 mg/L), WS-3 (8,820 mg/L), and Samples (291 mg/L).
The shallow groundwater isoconcentration and lateral extent maps for pH and sulfate are presented on
Figure 3 and Figure 4, respectively. Review of these figures indicates that lowest pH and highest total
sulfate concentrations in the shallow groundwater were detected in the water samples collected from the
southern portion of the site. This is consistent with previous determinations made at the site.
4.0 CONCLUSIONS
Based on the activities conducted at the Alchem site to date, Delta offers the following conclusions:
• Based on the results of the additional hydrogeologic assessment and sampling activities conducted
at the site, the extent of pH and sulfate groundwater impact has been sufficiently defined.

Comprehensive Site Assessment Addendum B
Alchem, Inc.
8135 Red Road
Rockwell, Rowan County, North Carolina
Groundwater Incident No.: 200502451
Delta Project No.: 5EO805096P
Page 5 of 6
• Shallow groundwater at the site has likely been impacted by low pH and elevated sulfate as a result
of historic spills and releases associated with operations formerly conducted on -site. However,
sulfate was detected at a concentration of 2,830 milligrams per kilogram in a bedrock sample
collected at a depth of approximately 140 feet bgs during the installation of MW-6D in September
2008. The low pH of groundwater at and in the vicinity of the site may be accelerating the leaching
of sulfate from the native bedrock resulting in higher concentrations ("false positives") observed in
the groundwater samples collected from the top -of -bedrock monitoring wells (MW-7D and MW-
12D) and deeper bedrock monitoring and water -supply wells (MW-6D, WSW-2, and WSW-3).
• Shallow groundwater flow direction at the site appears to be migrating radially from an apparent
hydrogeologic high located near monitoring wells MW-1 and MW-9. The pH level detected in the
up -gradient groundwater sample collected from MW-9 indicates that the apparent background
shallow groundwater in the area of the Alchem site is slightly acidic.
• Although the concentration of sulfate detected in the groundwater sample collected from the
Samples well slightly exceeded the 2L Standard, in general, the laboratory analytical results do not
indicate that substantial impact has occurred to off -site water -supply wells as a result of former
activities conducted at the Alchem site.
5.0 RECOMMENDATION
Based on these conclusions, Delta offers the following recommendation:
• Quarterly groundwater monitoring at the Alchem Site should continue to better determine
seasonal variations in physical and chemical groundwater conditions. Since the submittal of the
CSA-A report in August 2009, two quarterly sampling events have been conducted (November
2009 and February 2010). The next quarterly sampling event will be conducted in May 2010 and
include the on -site and off -site monitoring wells (15), the accessible on -site water -supply wells -
(two), and the off -site water -supply wells (three). Groundwater samples will be submitted for
analysis of pH and sulfate.

Comprehensive Site Assessment Addendum B
Alchem, Inc.
8135 Red Road
Rockwell, Rowan County, North Carolina
Groundwater Incident No.: 200502451
Delta Project No.: 5EO805096P
6.0 REMARKS
Page 6 of 6
The recommendations contained in this report represent Delta's professional opinions based on the
currently available information and are arrived at in accordance with currently acceptable professional
standards. This report is based on a specific scope of work requested by the client. The contract between
Delta and the client outlines the scope of work, and only those tasks specifically authorized by the
contract or in this report were performed. This report is intended only for the use of Delta's client and
anyone else specifically listed on this report. Delta will not and cannot be liable of unauthorized reliance
by any of other third party. Other than as contained in this paragraph, Delta makes no express or implied
warranty as to the contents of this report.

TABLES

TABLE 3
GROUNDWATER FIELD PARAMETERS - FEBRUARY 20, 2010
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502461
DELTA PROJECT NO.: 5E0805096P
WELL I.D.
pH
(SU)
TEMPERATURE
(CO)
DO
(mg/L)
SPECIFIC
CONDUCTANCE
S/cm
TURBIDITY
(ntu)
ORP
(mg/L)
MW-1
4.99
16.52
4.99
1.27
34.9
473
MW-2
4.97
16.25
1.58
0.122
57.6
423
MW-3
3.66
16.24
2.25
4.10
111
490
MW-4
3.58
17.05
1.52
6.90
395
471
MW-5
5.39
17.29
8.28
0.034
25.3
261
MW-6
3.79
17.93
1.17
3.04
28.6
203
MW-61D
3.99
16.24
0.20
22.0
324
-444
MW-7
4.80
16.36
0.88
0.180
169
403
MW-7D
5.62
16.13
0.31
2.01
NM
-449
MW-8
6.44
14.61
2.60
0.377
110
387
MW-9
5.50
17.46
8.02
0.019
42.4
419
MW-10
5.28
17.15
8.86
0.035
208
390
MW-11
6.16
16.10
8.74
0.086
19.6
227
MW-11 D
6.53
16.00
9.79
0.096
6.4
208
MW-12
6.73
14.66
2.53
0.836
463
-39
MW-12D
6.59
15.11
2.52
1.62
228
-66
WSW-2
4.23
15.05
8.36
5.03
32.9
352
WSW-3
3.75
16.54
9.87
7.67
10.5
323
BEAVER
5.67
16.76
10.87
0.499
6.7
235
DANIELS
5.38
10.45
10.01
0.659
72.2
234
SAMPLES
6.00
15.17
6.57
0.801
9.7
216
NOTES:
mg/L = Milligrams per Liter
C° = Degree Celsius
S/cm = Siemens per centimeter
ntu = Nephelometric Turbidity Unit
SU = Standard Units
TDS = Total Dissolved Solids
ORP = Oxidation Reduction Potential

TABLE 4
GROUNDWATER ANALYTICAL DATA - FEBRUARY 20 - 21, 2010
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
-- GROUNDWATER INCIDENT NO.: 200602451
DELTA PROJECT NO.: 6E0805096P
WELL I.D.
pH
(SU)
SULFATE
(mg/L)
NCAC-21-
6.5-8.5
250
MW-1
4.6
749
MW-2
5.0
32.1
MW-3
3.5
1,970
MW-4
3.5
6,060
MW-5
4.9
ND
M W-6
3.7
1,420
MW-6D
3.8
32,800
MW-7
5.0
ND
MW-7D
5.7
1,190
MW-8
6.4
104
MW-9
6.3
ND
MW-10
5.4
ND
MW-11
5.6
7.6
MW-11 D
6.1
ND
MW-12
6.4
100
MW-12D
6.3
511
WSW-2
4.0
3,970
WSW-3
3.7
8,820
BEAVER
6.6
132
DANIELS
6.6
193
SAMPLES
6.5
291
NCAC-2L=North Carolina Administrative Code, Title 15A Section 2L Standard
SU = Standard Units
mg/L = Milligrams per Liter
ND = Not detected at or above the laboratory report limit of 5.0 mg/L
Bold = Exceeds NCAC-21- or outside the range

FIGURES

TABLE 1
GROUNDWATER ELEVATION DATA - FEBRUARY 20, 2010
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5E0805096P
WELL I.D.
TOCE
GROUND
ELEVATION
SI
DEPTH TO
WATER
SWLE
TOS
TD
(ft msl)
(ft msl)
(ft bgs)
(ft bgs)
(ft btc)
(ft msl)
MW-1
805.58
803.34
Unknown
48
16.06
789.52
MW-2
793.74
791.22
25
35
15.83
777.91
MW-3
808.56
806.61
25
35
28.00
780.56
MW-4
807.57
806.18
26
36
25.02
782.55
MW-5
808.69
806.72
28
38
23.41
785.28
MW-6
810.30
808.40
25
35
25.6
784.70
MW-6D
811.29
808.93
NA
200
29.16
782.13
MW-7
797.76
796.02
25
35
19.39
778.37
MW-71)
794.44
791.65
69
79
17.14
777.30
MW-8
777.15
775.01
10
20
5.16
771.99
MW-9
805.62
805.87
30
40
15.99
789.63
MW-10
797.96
798.68
30
40
25.70
772.26
MW-11
798.58
798.93
20
30
17.54
781.04
MW-11 D
799.06
799.26
70
80
19.12
779.94
MW-12
792.11
789.30
30
40
10.19
781.92
MW-12D
792.37
789.52
89
99
10.76
781.61
mg/kg = Milligrams per Kilogram
TOCE = Top of Casing Elevation
ft msl = Feet above Mean Sea Level
ft bgs = Feet Below Ground Surface
ft btc = Feet Below Top of Casing
SI = Screened Interval
TD = Total Depth of Well
SWLE = Static Water Level Elevation
NA = Not Applicable

TABLE 2
VERTICAL HYDRAULIC GRADIENT CALCULATIONS - FEBRUARY 20, 2010
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO. 5E0805096P
Monitoring Well
DATE
SWLE (ft)
H (ft)
L (ft)
Hydraulic
1
Pair
Gradient ft/ft
MW-6
2/20/2010
784.70
-2 57
134.47
-0.019
MW-6D
2/20/2010
782.13
MW-7
2/20/2010
778.37
-1.07
44.50
-0.024
MW-7D
2/20/2010
777.30
MW-11
2/20/2010
781.04
-1.10
49.67
-0.022
MW-11 D
2/20/2010
779.94
MW-12
2/20/2010
781.92
-0.31
58.78
-0.005
MW-12D
2/20/2010
781.61
Notes:
= Hydraulic gradient
(-) negative represents downward flow
(+) positive represents upward flow
L = Length between two hydraulic screen interval midpoints
H = Elevation head difference between two wells in well nests (deep well - shallow
well)
SWLE = Static water level elevation in feet mean sea level in February 2010

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MW-9
�
MW-7D i
W
MW-1
POND POND
,u3 MW-7
I
WS-3_*
MW-6 i
CHEMICAL
MW-5 STORAGE MW_6 POND i
�1
I
WS-2 MW-3
0
WS-1 i
0
PRODUCTION, i MW-12D0
STORAGE,
rw
MAINTENANCE
I I
w
SHEDS MW-12
OFFICE/ i
MAINTENANCE
I
Daniels
MW-10
I
Beaver
Property
MW-4
Property
LEGEND:
SHALLOW MONITORING WELL
MW-11
DEEP MONITORING WELL
MW-11D
0 WATER -SUPPLY WELL
— ® PROPERTY BOUNDARY
—■ — FENCE LINE
JL'
+f-+ RAILROAD TRACKS
a
TITLE:
DWN:
DES.:
PROJECT NO.:
000'MONITORING
WELL LOCATION
MAP
NEW
5E0805096P
CHKD:
APPD:
A LC H E M, INC.
RGURE NO.:
ROCKWELL, NORTH CAROLINA
DATE:
REV.:
DELTA
10/27/08
02/23/09

I
0 80 160
MW-S
Q
771.99
FEET
O I
fl
WOODED
POND
I CLEARED 4
LAND
�j
S�
Samples
Property
�p MW-2
Spy. �777.91
MW-9
789.63
LLJ
M\•i-7D i
MW-1
789.52 POND POND i
#3 �7_
_ MW-7
778.37.
O WS-3 MW-6
84.70MW-50�0
h1\•! 6Dti PC ND i
r785.2
�S
S
„--2 MW-3
780.56
O
WS-1
O
O�
PRODUCTION, i MW-12D
G -
1 STORAGE,
�
MAINTENANCE
SHEDS � MW-12
OFFICE/ i 78192
MAINTENANCE
I
Daniels
MW-10
I
Beaver
Property
772.26 s MW-4
Property
782.55
lam{ — ii�ls��t�t
�O
LEGEND:
SHALLOW MONITORING WELL
WITH ELEVATION (FT)
7e2.55
MW-11
DEEP MONITORING WELL
781.0 ..- _
r
-r NOT USED
MW-11D
0 WATER -SUPPLY WELL
® --PROPERTY BOUNDARY
—■ — FENCE LINE
Jam-
RAILROAD TRACKS
v
—780—CONTOUR LINE WITH
vat
ELEVATION (FT)
ESTIMATED GROUNDWATER
FLOW DIRECTION
TITLE:
DWN:
DES.:
PROJECT NO.:
00
SHALLOW GROUNDWATER CONTOUR MAP
NEW
5EO805096P
CHKD:
APPD:
ALCHEM, INC.
FlGURE NO.:
ROCKWELL, NORTH CAROLINA
JDR
DATE:
10/27/08
REV.:.:
03/04/10
D E LTA
2
�

6
0 80 160
M
Q
6.4
6.4
FEET
O
WOODED
LL
/6'0 POND
CLEARED
\
4
'
LAND
Samples
Property
M -2
0
I
MW-9
5.
5.3
—
MwU � D i
W
MW-1
4.6 POND POND i
#2 I
J
MW I
5.0
I
"
I I
0 WS-3 MW-6
3.7
CHEMICAL i
MW-5 STORAGE Poll. i
4.9 MW-611#1
NU I I
0
fWS-2 fI M 3.5
0
1!S-1
0
�•
PRODUCTION, 1:!-l;'D
P�
i
I STORAGE, I\IU
MAINTENANCE
I o
SHEDS ,ri MW-12
OFFICE/ i 6.4
MAINTENANCE
o
ia'
µ
Daniels
MW-10
I
Beaver
Property
5.4 MW-4
Property
3.5
I
I
I
I
LEGEND:
SHALLOW MONITORING WELL
I
5 WiTH pH (SU)
DEEP MONITORING WELL
_LL
L NOT USED
MW-11
5.5 . _ _
0 WATER -SUPPLY WELL
MW-11D
NU
® PROPERTY BOUNDARY
-■ - FENCE LINE
-�-H+ RAILROAD TRACKS
J
- - ESTIMATED GROUNDWATER
v
FLOW DIRECTION
v
- 4.0 - pH ISOCONCENTRATION LINE
IN STANDARD UNITS (SU)
NU NOT USED
TITLE:
DWN:
DES.:
PROJECT NO.:
SHALLOW GROUNDWATER PH
NEW
5EOSO5O96P
CHKD:
APPD:
ISOCONCENTRATION MAP (FEBRUARY 2010)
FIGURE NO.:
ALCHEM, INC.
DATE:
10/27/08
.:
REV.:
03/04/10
D E LTA
ROCKWELL, NORTH CAROLINA
3

N
0
80 160
MW-8
:
1FL
04
FEET
O I
(�
WOODED
0
L>J . . 1
POND
l
CLEARED
LAND
t
9
Samples
Property
MW-2
0
MW-9
-
32.1
ND
- I
•:
0
LLJ
MW-71)
�.
MW-1
749
PO 0.
POND #2:
3 MW-7
ND�
F
.
IS-3 MW-6
1,420
1EMICAL
MW-5 :
ND.:
S rORAGE POA i
MW-6D r. #1
i
WS-2. MW-3 .
1-1970
0
WS-1
o
PRODUCTION, I MW-12D
STORAGE,
l_
MAINTENANCE
I
SHEDS MW-12
OFFICE/ i 100
MAINTENANCE
h� I
Daniels
MW-10
I Beaver
Property
ND
MW-4 Property
61050
LEGEND:
SHALLOW MONITORING WELL
WITH SULFATE (mg/L-) -
76
,� DEEP MONITORING WELL
MW=11
NOT USED
7.6_
WATER —SUPPLY WELL .
MW-11D
®® PROPERTY BOUNDARY
—■ — FENCE LINE
RAILROAD TRACKS
ESTIMATED GROUNDWATER
�J
FLOW DIRECTION
��'
— 250—SULFATE ISOCONCENTRATION
-PER
LINE IN MILLIGRAMS
LITER (mg/L)
ND NOT DETECTED
TITLE:
DWN:
DES.:
PROJECT NO.:
LATERAL EXTENT OF SULFATE IN
SHALLOW
NEW
00
5E08o5096P
CHKD:
APPD:
GROUNDWATER (FEBRUARY 2010)
FIGURE NO.:
ALCHEM INC.
JDR
DATE:
10/27/08
REV.:
03/04/10
D E LTA
ROCKWELL, NORTH CAROLINA
4

APPENDICES

APPENDIX A
NCDOT AND NCDENR PERMITS

STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY EAVES PERDUE
GOVERNOR
December 3, 2009
Rowan County
EUGENE A. CONTI, JR.
SECRETARY
SUBJECT: RIGHT-OF-WAY ENCROACHMENT CONTRACT - R/W 16.1A
SR 2323 (Red Road)
Alchem, Inc., Delta Project No. 5E0805096P, Groundwater Incident No. 200502451
Groundwater Monitoring Well
Encroachment No. 09-096-RE
Mr. Randall F. Andrews, President
Alchem, Inc.
2042 Buie Philadelphus Road
Red Springs, NC 28377
Dear Mr. Andrews:
Attached hereto, for your file, is a copy of a properly executed Right -of -Way Encroachment Contract.
This contract covers the following:
Installation of one (1) Type II two inch (2") diameter and one (1) Type III two inch (2") diameter
groundwater monitoring welk along SR 2323 in Rowan County.
Approval is granted subject to the following conditions:
1. Written notice shall be given to Chris T. Corriher, P. E., District Engineer, at 4770 South Main
Street, Salisbury, NC 28147-9386 at least five (5) working days prior to beginning of work.
2. Written notice shall be given to Chris T. Corriher, P. E., District Engineer, at 4770 South Main
Street, Salisbury, NC 28147-9386 when all work contained herein has been completed.
3. That during installation, proper traffic control devices, signs, etc. be installed to ensure public
safety in accordance with the latest edition of theManual on Uniform Traffic Control Devices
and any supplements thereto. Substandard traffic control at the comtruction site will result in
the immediate suspension of the work being done.
4. That all disturbed areas are to be fully restored to NCDOT minimum roadway standards.
5. That All work shall be performed in a safe and orderlymanner to insure the well-being of the
traveling public.
DIVISION 9 - 375 SILAS CREEK PARKWAY, WINSTON-SALEM, NC 27127
Telephone: [phone]
Fax: [phone]

Mr. Andrews
Page three
December 3, 2009
21. This encroachment only covers the well(s) shown on the attached plan. Any additional wells at
this location shall require an encroachment revision.
22. The well cap shall be flush mounted with the ground/ pavement surface in areas within the
clear recovery area and the routine mowing boundaries with the frame and cover designed for
HS 20 loading.
23. Any contaminated soils encountered in constructionas spoil from the well installation shall be
removed from the right of way prior to completion of the well.
24. After the monitoring well(s) has served its intended purpose, the encroaching party shall fill the
well (s) in a manner approved bythe NC Department of Transportation. Any above
ground obstructions shall also be removed from the right of way.
25. NCDOT or its contractors shall not be held responsible for damage to monitoring wells due to
roadway construction or maintenance activities.
26. If any of the monitoring wells are also within the railroad right of way, an additional permit
may be required from the railroad.
27. A copy of all test results from the well (s) within the NCDOT right of way shall be made
available to the NCDOT District Engineer's Office.
28. That a copy of the encroachment agreement must be on the job site at the time of the
installation.
29. That prior to beginning construction, a meeting with Mr. Charles R. White, County
Maintenance Engineer, (telephon&--704-639-7563) shall be held. Failure to contact
Mr. White prior to beginning construction and after completing the installation shall
make the encroachment agreement null and void.
Sincerely,
S.P. Ivey, P
Divisio er
SPI/jal
Attachment(s)
pc: Mr. Robert J. Memory, State Utility Agent
Mr. Chris T. Con iher, P. E., District Engineer
Mr. Charles R. White, County Maintenance Engineer
Mr. John Reuscher, Delta Consultants,
8008 Corporate Center Drive, Suite 100, Charlotte, NC 28226
SR 2323

Aw �A
NCDENR
North Carolina Department of Environment and Natural Res
Beverly Eaves Perdue
Governor
Mr. Randall F. Andrews
2042 Buie Philadelphus Road
Red Springs, NC 28377
Dear Mr. Andrews:
Coleen H. Sullins
Director, Division of Water Quality
December 17, 2009
RE. Monitoring Well Construction Permit
Permit #WM0300559
Alchem, Inc.
8135 Red Road, Rockwell, Rowan County
In accordance with your completed applications received on December 14, 2009, we are forwarding
herewith Monitoring Well Construction Permit Numbered WM0300559 and issued for the construction of four
monitoring wells adjacent to the subject site in Rockwell, Rowan County.
This Permit will be effective from the date of issuance and shall be subject to the conditions and
limitations as specified therein.
Should you have any questions, please contact Maria Schutte at [phone] ext 2184, or by email
at Maria. SchutteCcDncdenr..gov.
Sincerely,
r�
Andrew H. Pitner, P.G.
Regional Aquifer Protection Section Supervisor
Enclosure
Cc: Aquifer Protection Section, Raleigh
v JJohn D. Reuscher, Delta consultants, 8008 Corporate Center Drive, Suite 100, Charlotte, NC 28226
Robert A. Walcott, 8135 Red Road, Rockwell, NC 28138
Division of Water Quality I Aquifer Protection Section 1 Mooresville Regional Office 011E
610 East Center Avenue, Suite 301, Mooresville, North Carolina 28115 Nofth.Carolina
Phone: [phone] FAX: [phone] Customer Service 1-877-623-67481 Internet: www.ncwaterguality.org Nahlra. ly

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
PERMIT FOR THE CONSTRUCTION OF A WELL OR WELL SYSTEM
Permit Ns WM0300559
In accordance with the provisions of Article 7, Chapter 87, North Carolina General Statutes, and other applicable Laws,
Rules, and Regulations,
PERMISSION IS HEREBY GRANTED TO
Alchem, Inc.
FOR THE CONSTRUCTION OF FOUR MONITORING WELLS to be constructed in the Charlotte Belt Geologic Unit,
on the properties located along Large Avenue and Red Road adjacent to the subject site in Rockwell, Rowan County, and
in accordance with the application dated December 1, 2009, and received completed in this office on December 14, 2009,
and in conformity with specifications and supporting data, all of which are filed with the Department of Environment and
Natural Resources and are considered a part of this Permit.
This Permit is for well,construction only, and does not waive any provisions or requirements of the Water Use
Act of 1967, or any other applicable laws or regulations.
Construction of a well under this Permit shall be in compliance with the North Carolina Well Construction
Regulations and Standards, and any other laws and regulations pertaining to well construction.
This Permit will be effective from the date of its issuance and shall be subject to other specified conditions,
limitations, or exceptions as follows:
1. The borehole shall not penetrate to a depth greater than the depth to be monitored or the depth from which
contaminants are to be recovered.
2. The well shall not hydraulically connect separate aquifers.
3. All water -bearing zones that are known to contain polluted, saline, or other nonpotable water shall be
adequately cased and cemented off so that pollution of the overlying and underlying groundwater zones will
not occur.
4. Construction materials shall be compatible with the contaminants to be monitored or recovered. The casing
shall equal or exceed Schedule 40.
5. The well shall be constructed in such a manner that water from land surface cannot migrate into the gravel
pack or well screen area.
6. When a sand pack is placed around the screen, a seal shall be installed above the sand.
7. Grout shall be placed in the annular space between the casing and the borehole wall from land surface to a
depth within two feet above the top of the well screen or to the bottom of the casing for open-end wells.

8. All wells shall be secured to reasonably insure against unauthorized access and use. The well shall be
permanently labeled with a warning that it is for monitoring or recovery purposes and the entrance to the well
must be secured with a lockable cap.
9. All wells shall be afforded reasonable protection against damage during construction and use.
10. Each well shall have permanently affixed an identification plate.
11. A completed GW-1 and copies of all water quality results must be submitted for each well to the Division of
Water Quality.
12. When any monitor or recovery well is no longer useful for its intended purpose, it shall be properly
abandoned and an abandonment report filed with the Division of Water Quality.
Permit issued this the 17`' day of December 2009
FOR THE NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Andrew H. Pitner, P.G.
Regional Aquifer Protection Supervisor
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Ns WM0300559

APPENDIX B
BORING LOGSIWELL SCHEMATICS/WELL CONSTRUCTION RECORDS

Project Number: 5EO805096P
Project Name: Alchem, Inc
D E L T A 2 Contractor: DELTA CONSULTANTS
Consulting Firm: DELTA CONSULTANTS
Logged By: Nathan O'Leary
Date(s): 02/08/2010
Purpose: Deep Monitoring Well
Drilling Method: Hollow Stem Auger, Mud Rotary
Remarks: Total Depth = 79.5'.
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— 790
I
— 780 10'
— 770
20'
— 760 30'
— 75o 40'
— 740 50'
— 730 60'
— 720 70'
—710 80,
— 700 90'
1
— 69000'
110,
Site Id: MW-70
Location: Rockwell, North Carolina
Elevation: 794.44'
Datum:
Measuring Point: Top of Casing
Blank Casing:
type: PVC dia: 2 in.
fm: 0 ft to: 69.5 ft
Screens:
type: PVC size: 0.010in dia: 2 in.
fm: 69.5 ft to: 79.5 ft
Annular Fill:
type: Portland Type I Cement
fm: 0 ft to: 60 ft
type: Bentonite Slurry
fm: 60 ft to: 67 ft
type: #2 Silica Sand
fm: 67 ft to: 79.5 ft
Well Construction
MP ELEVATION:
794.44'I MSL
Material Description
CLAYEY SILT, red —brown. (ML)
SANDY SILT, fine grained, some clay, trace medium
sand. (SM)
SANDY SILT, fine to medium grained, some clay.
(SM)
Partially Weathered Bedrock
+ + +
+ + +
+ + +
Total Depth = 79.5
Page 1 of 1

NONRESIDENTIAL WELL CONSTRUCTION RECORD
North Carolina Department of Environment and Natural Resources- Division of Water Quality
WELL CONTRACTOR CERTIFICATION # 2402
1. WELL CONTRACTOR:
MIKE MCCONAHEY
Well Contractor (Individual) Name
GEOLOGIC EXPLORATION, INC.
Well Contractor Company Name
STREET ADDRESS 176 COMMERCE BLVD
STATESVILLE NC 28625
City or Town State Zip Code
70( 4 )_ 872-7686
Area code- Phone number
2. WELL INFORMATION:
SITE WELL ID #(if applicable) MW-7D
STATE WELL PERMIT#(if applicable)
DWQ or OTHER PERMIT #(if applicable)
WELL USE (Check Applicable Box) Monitoring Ki Municipal/Public ❑
Industrial/Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑
Irrigation❑ Other ❑ (list use)
DATE DRILLED 02/08/10
TIME COMPLETED AM ❑ PM ❑
3. WELL LOCATION:
CITY: ROCKWELL COUNTY ROWAN
8135 RED ROAD 28138
(Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code)
TOPOGRAPHIC / LAND SETTING:
❑Slope ❑Valley ❑Flat ❑Ridge ❑ Other
(check appropriate box)
LATITUDE May be in degrees,
minutes, seconds or
LONGITUDE _ _ in a decimal format
Latitude/longitude source: ❑GPS ❑Topographic map
(location of well must be shown on a USGS topo map and
attached to this form if not using GPS)
4. FACILITY- is the name of the business where the well is located.
FACILITY ID #(if applicable)
NAME OF FACILITY ALCHEM
STREET ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town
State Zip Code
CONTACT PERSON
ALCHEM
MAILING ADDRESS
8135 RED ROAD
ROCKWELL
NC 28138
City or Town
State Zip Code
Area code - Phone number
5. WELL DETAILS:
a. TOTAL DEPTH: 79.5 FEET
b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO El
c. WATER LEVEL Below Top of Casing: 33.0 FT.
(Use "+" if Above Top of Casing)
d. TOP OF CASING IS
4.0 FT. Above Land Surface'
'Top of casing terminated at/or below land surface may require
a variance in accordance with 15A NCAC 2C .0118.
e. YIELD (gpm): NIA
METHOD OF TEST N/A
f. DISINFECTION: Type
N/A Amount N/A
g. WATER ZONES (depth):
From To
From To
From To
From To
From To
From To
6. CASING:
Thickness/
Depth
Diameter Weipht Material
From 0.0 To 69.5
Ft. 2 INCH SW PVC
From To
Ft.
From To
Ft.
7. GROUT: Depth
Material Method
From 0.0 To 60.0
Ft Portland bentonite SLURRY
From To
Ft.
From To
Ft.
8. SCREEN: Depth
Diameter Slot Size Material
From 69.5 To 79.5
Ft. 2.0 in. .010 in, PVC
From To
Ft. in. in.
From To
Ft. in. in.
9. SAND/GRAVEL PACK:
Depth
Size Material
From 67.0 To 79.5
Ft. 20-40 FINE SILICA SAND
From To
Ft.
From To
Ft.
10. DRILLING LOG
From To
Formation Description
0.0 1.0
GRASSMEEDS/TOPSOIL
1.0 5.0
ORANGE/RED SANDY SILTY CLAY
5.0 20.0
ORANGE SANDY SILTY CLAY
20.0 40.0
TAN/ORANGE SANDY SILTY CLAY
40.0 79.5
BLACK/WHITEfTAN SILTY SAND
11. REMARKS:
BENTONITE SEAL FROM 60.0 TO 67.0 FT
I DO HEREBY C RTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH
'ELL
1 Gf C 2C �cbNVSTR
EEN
u rADfjRDS,ANDT i ACOPYOFTHIS
HE WE NE
2/15110
SIGNATURE OF CERTIFIED
WELL CO1`;PMACTOR DATE
MIKE MCCONAHEY
PRINTED NAME OF PERSON CONSTRUCTING THE WELL
Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt., Form GW-1b
1617 Mail Service Center- Raleigh, NC 27699-1617 Phone No. [phone] ext 568. Rev. 7/05

WELL CAP
LOCKING STEEL WELL SHIELD
GROUND SURFACE GROUT CROWN
\ BENTONITE
tf 2" SCH 40
r PVC RISER
wco ,? ^..
w '.
U
CASING WALL
• : i' THICKNESS w
\ ° 0.154" of U)
a, i•
Z _1 i ______
______ ------
Z (n ______ d
W� ______ ______ U� Q
SAND PACK
\. \ z
2" SCH 40 PVC
WELL SCREEN
0.010" SLOT SIZE
BOTTOM PLUG
NOTE: FIGURE NOT TO SCALE
D E LTA
PROJECT NO. FIGURE CUENTAOCATION
5EO805096P "° ALCHEM, INC.
PROJECT MANAGER JDR ROCKWELL, NORTH CAROLINA
DESIGNED BY DRAWING DESCRIPTION
CRAM BY MONITORING WELL MW-7D DETAIL
NEW
REVIEWED BY DATE SCALE CAD NO,
02/26/2010 NONE

Project Number: 5EO805096P
Project Name: Alchem, Inc
D E LTA Contractor: DELTA CONSULTANTS
Consulting Firm: DELTA CONSULTANTS
Logged By: Norm Wells
Date(s): 02/08/2010
Purpose: Monitoring Well
Drilling Method: Hollow Stem Auger
Remarks: Total Depth = 30.0'.
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Site Id: MW-11
Location: Rockwell, North Carolina
Elevation: 798.58'
Datum:
Measuring Point: Top of Casing
Blank Casing:
type: PVC dia: 2 in.
fm: 0 ft
to: 20 It
Screens:
type: PVC size: 0.010in dia: 2 in.
fm: 20 ft
to: 30 ft
Annular Fill:
type: Portland Type I Cement fm:
0 It
to: 16 ft
type: Bentonite Chips fm:
16 ft
to: 18 It
type: #2 Silica Sand fm:
18 ft
to: 30 It
Well Construction
MP ELEVATION:
Material Description
798.58' MSL
lop JOII
_ CLAY, red -brown, trace silt, dry. (CL)
a:�Rr
5' NOTE: Becomes moist at 5.0'.
790
10' NOTE: Trace very fine sand, becomes moist to wet. Y
RISER
15'—
MON
780
20 SILTY CLAY, brown, trace very fine sand, wet to
_ saturated. (ML)
sue
25'— vux
- SILTY CLAY, brown, trace very fine sand, saturated.
760 (ML) SCREEN
30'— Total Dept: 30:0'
35'-
- 750
40'—
45'
— 740
41
Page 1 of 1

NONRESIDENTIAL WELL CONSTRUCTION RECORD
North Carolina Department of Environment and Natural Resources- Division of Water Quality
WELL CONTRACTOR CERTIFICATION ## 3098
1. WELL CONTRACTOR:
JOHNNY BURR
Well Contractor (Individual) Name
GEOLOGIC EXPLORATION, INC.
Well Contractor Company Name
STREET ADDRESS 176 COMMERCE BLVD
STATESVILLE NC 28625
City or Town State Zip Code
70( 4 )- 872-7686
Area code- Phone number
2. WELL INFORMATION:
SITE WELL ID #(if applicable) MW-11
STATE WELL PERMIT#(if applicable)
DWQ or OTHER PERMIT #(if applicable)
WELL USE (Check Applicable Box) Monitoring 91 Municipal/Public ❑
Industrial/Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑
Irrigation❑ Other ❑ (list use)
DATE DRILLED 02/08/10
TIME COMPLETED AM ❑ PM ❑
3. WELL LOCATION:
CITY. ROCKWELL COUNTY ROWAN
8135 RED ROAD 28138
(Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code)
TOPOGRAPHIC / LAND SETTING:
[]Slope ❑ Valley ❑ Flat ❑ Ridge ❑ Other
(check appropriate box)
LATITUDE May be in degrees,
minutes, seconds or
LONGITUDE in a decimal format
Latitude/longitude source: ❑GPS ❑Topographic map
(location of well must be shown on a USGS topo map and
attached to this form if not using GPS)
4. FACILITY- is the name of the business where the well is located.
FACILITY ID #(if applicable)
_ NAME OF FACILITY ALCHEM
STREET ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
CONTACT PERSON ALCHEM
MAILING ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
Area code - Phone number
5. WELL DETAILS:
a. TOTAL DEPTH: 30.0 FEET
b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO El
c. WATER LEVEL Below Top of Casing: 15.0 FT.
(Use "+" if Above Top of Casing)
d. TOP OF CASING IS
0.0 FT. Above Land Surface*
*Top of casing terminated at/or below land surface may require
a variance in accordance
with 15A NCAC 2C .0118.
e. YIELD (gpm): N/A
METHOD OF TEST N/A
f. DISINFECTION: Type N/A Amount N/A
g. WATER ZONES (depth):
From To
From To
From To
From To
From To
From To
6. CASING:
Thickness/
Depth
Diameter Weiqht Material
From 0.0 To 20.0
Ft. 2 INCH SCH40 PVC
From To
Ft.
From To
Ft.
7. GROUT: Depth
Material Method
From 0.0 To 16.0
Ft Portland bentonite SLURRY
From To
Ft.
From To
Ft.
8. SCREEN: Depth
Diameter Slot Size Material
From 20.0 To 30.0
Ft. 2.0 in. .010 in, PVC
From To
Ft. in. in.
From To
Ft. in. in.
9. SAND/GRAVEL PACK:
Depth
Size Material
From 18.0 To 30.0
Ft, 20-40 FINE SILICA SAND
From To
Ft.
From To
Ft.
10. DRILLING LOG
From To
0.0 6.0
6.0 13.0
13.0 30.0
Formation Description
RED CLAY
ORANGE CLAY
BROWN SILTY CLAY
11. REMARKS:
BENTONITE SEAL FROM 16.0 TO 18.0 FT
I DO HERE ER FYTHATTHIS WELL WAS C" STRUCTED IN ACCORDANCE WITH
15A NCA 2 , ONSTION STAND ; AND THAT A COPY OF THIS
RECORD D TO THE ER.
SIGNATURE OF CERTIFIED WELL CONTRACTOR DATE
JOHNNY BURR
PRINTED NAME OF PERSON CONSTRUCTING THE WELL
Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt., Form GW-1b
1617 Mail Service Center- Raleigh, NC 27699-1617 Phone No. [phone] ext 568. Rev. 7/05

LOCKING TRAFFIC RATED LID
WELL CAP
GROUND SURFACE
BENTONITE
2" SCH 40
PVC RISER
z
w
CASING WALL
THICKNESS
0. 154" 04 U)
z------ ------
0 ------ ------
F- U)
------ --
z lrT-
Ld
m ------ ---- LLJ
_j
Ld
v`saN
z Lj L ..........
SAND PACK
z
0
Ld
of
0
V)
2" SCH 40 PVC
WELL SCREEN
0.010" SLOT SIZE
BOTTOM PLUG
NOTE: FIGURE NOT TO SCALE
D E L T A
PROJECT NO. RGURE CUENTADCA71ON
5EO805096p NO. ALCHEM, INC.
PRO,ECT MANAGM
JDR ROCKWELL, NORTH CAROLINA
DESIGNED BY DRAWNG DEscRip-noN
DRAM BY MONITORING WELL MW-11 DETAIL
NEW
REVIENED BY DATE 02/26/2010 1 SCALE NONE CAL) NO.

Project Number: 5EO805096P
Project Name: Alchem, Inc
® E L T A Contractor: DELTA CONSULTANTS
Consulting Firm: DELTA CONSULTANTS
Logged By: Norm Wells
Date(s): 02/09/2010
Purpose: Deep Monitoring Well
Drilling Method: Hollow Stem Auger, Mud Rotary
Remarks: Total Depth = 80.0'.
_ c o
J
a�CL
n c�i E 3 0. U
o O `O
w 0 0: to co d C7
�- 790 1 10'
�- 780 1 20'
�- 770 1 30'
Site Id: MW-11 D
Location: Rockwell, North Carolina
Elevation: 799.06'
Datum:
Measuring Point: Top of Casing
Blank Casing:
type: PVC dia: 2 in.
fm: 0 ft
to: 70 ft
Screens:
type: PVC size: 0.010in dia: 2 in.
fm: 70 ft
to: 80 ft
Annular Fill:
type: Portland Type I Cement
fm: 0 ft
to: 60 ft
type: Bentonite Slurry
fm: 60 It
to: 68 ft
type: #2 Silica Sand
fm: 68 ft
to: 80 ft
Well Construction
MP ELEVATION:
799.06'I MSL
Material Description
CLAY, red -brown. (CL)
760
40'—
SILTY SANDY CLAY, light brown. Saturated
750
50'-
740
60'—
+ + + +
Partially Weathered Bedrock
+ + + +
730
70'—
+ + + +
+ + + +
Competent Bedrock at 80.0'
720
80
Total Depth = 80.0'
�-710 1 90'
F- 700 1100'
F- 690 11 10'
Page 1 of 1

NONRESIDENTIAL WELL CONSTRUCTION RECORD
North Carolina Department of Environment and Natural Resources- Division of Water Quality
WELL CONTRACTOR CERTIFICATION # 2402
1. WELL CONTRACTOR:
MIKE MCCONAHEY
Well Contractor (Individual) Name
GEOLOGIC EXPLORATION, INC.
Well Contractor Company Name
STREET ADDRESS 176 COMMERCE BLVD
STATESVILLE NC 28625
City or Town State Zip Code
70( 4 )_ 872-7686
Area code- Phone number
2. WELL INFORMATION:
SITE WELL ID #(if applicable) MW-11D
STATE WELL PERMIT#(if applicable)
DWQ or OTHER PERMIT #(if applicable)
WELL USE (Check Applicable Box) Monitoring El Municipal/Public ❑
Industrial/Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑
Irrigation❑ Other ❑ (list use)
DATE DRILLED 02/09/10
TIME COMPLETED AM ❑ PM ❑
3. WELL LOCATION:
CITY: ROCKWELL
8135 RED ROAD 28138
COUNTY ROWAN
(Street Name, Numbers, Community, Subdivision, Lot No., Parcel,
TOPOGRAPHIC / LAND SETTING:
❑Slope ❑Valley ❑Flat ❑Ridge ❑ Other
(check appropriate box)
LATITUDE May be in degrees,
minutes, seconds or
LONGITUDE in a decimal format
Latitude/longitude source: ❑GPS ❑Topographic map
(location of well must be shown on a USGS topo map and
attached to this form if not using GPS)
4. FACILITY- is the name of the business where the well is located.
Code)
FACILITY ID #(if applicable)
NAME OF FACILITY ALCHEM
STREET ADDRESS 8135 RED ROAD
ROCKWELL NC
28138
City or Town State
Zip Code
CONTACT PERSON ALCHEM
MAILING ADDRESS 8135 RED ROAD
ROCKWELL NC
28138
City or Town State
Zip Code
U-
Area code - Phone number
S. WELL DETAILS:
a. TOTAL DEPTH: 80.0 FEET
b. DOES WELL REPLACE EXISTING WELL?
YES ❑ NO KI
c. WATER LEVEL Below Top of Casing: 33.0
FT.
(Use "+" if Above Top of Casing)
d. TOP OF CASING IS 0.0 FT. Above Land Surface -
"Top of casing terminated at/or below land surface may require
a variance in accordance With 15A NCAC 2C .0118.
e. YIELD (gpm): N/A METHOD OF TEST N/A
f. DISINFECTION: Type N/A Amount N/A
g. WATER ZONES (depth):
From To From To
From To From To
From To From To
6. CASING: Thickness/
Depth Diameet�er Wei ht Material
From 0.0 To 70.0 Ft 2 INN Scr�40 PVC
From To Ft.
From To Ft.
7. GROUT: Depth Material Method
From 0.0 To 60.0 Ft Portland bentonite SLURRY
From To Ft.
From To Ft.
8. SCREEN: Depth Diameter Slot Size Material
From 70.0 To 80.0 Ft. 2.0 in. .010 in. PVC
From To Ft. in. in.
From To Ft. in. in.
9. SAND/GRAVEL PACK:
Depth Size Material
From 68.0 To 80.0 Ft, 20-40 FINE SILICA SAND
From To Ft.
From To Ft.
10. DRILLING LOG
From To Formation Description
0.0 1.0 GRASS/WEEDS/TOPSOIL
1.0 5.0 ORANGE/RED SANDY SILTY CLAY
5.0 20.0 ORANGE SANDY SILTY CLAY
20.0 40.0 TAN/ORANGE SANDY SILTY CLAY
40.0 80.0 BLACK/WHITE/TAN SILTY SAND
11. REMARKS:
BENTONITE SEAL FROM 60.0 TO 68.0 FT
I DO HE CERTIFYTHAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH
15A 2C, W5tL CONSTRUCTION STANDARDS, AND THAT A COPY OF THIS
R ORD HAS EN PROVIDED T OW ER.
02/15/10
SIGNATURE OF ERTIFIED E L, O - DATE
MIKE MCCONAHEY
PRINTED NAME OF PERSON CONSTRUCTING THE WELL
Submit the original to the Division of Water Quality Within 30 days. Attn: Information Mgt., Form GW-1b
1617 Mail Service Center- Raleigh, NC 27699-1617 Phone No. [phone] ext 668. Rev. 7/05

LOCKING TRAFFIC RATED LID
WELL CAP
GROUND SURFACE j Z.
\ BENTONITE
2" SCH 40
PVC RISER
ujco
\
''•.: ..: ' j CASING WALL
THICKNESS w
0.154" o^ N
Al
\ _
co o 6 ______ ------
x
Z N \ ------
m______ O
....-....: 07
OLLIZ
cq m U
�QV)
SAND PACK
w
Lo
2" SCH 40 PVC ;
WELL SCREEN
0.010" SLOT SIZE
BOTTOM PLUG
NOTE: FIGURE NOT TO SCALE
DELTA
PROJECT NO. FIGURE CUENTAOCATION
5Eoe05096P NO. ALCHEM, INC.
PROJECT MANAGER JDR ROCKWELL, NORTH CAROLINA
DESIGNED BY DRAWING DESCRIPTION
DRAWN BY MONITORING WELL MW-1 1 D DETAIL
NEW
REVIEWED BY DATE SCALE CAD NO.
02/26/2010 NONE

Project Number: 5EO805096P
Project Name: Alchem, Inc
D E LTA Contractor: DELTA CONSULTANTS
Consulting Firm: DELTA CONSULTANTS
Logged By: Norm Wells
Date(s): 02/08/2010
Purpose: Shallow Monitoring Well
Drilling Method: Hollow Stem Auger
Remarks: Total Depth = 40.0'.
Site Id: MW-12
Location: Rockwell, North Carolina
Elevation: 792.11'
Datum:
Measuring Point: Top of Casing
Blank Casing:
type: PVC dia: 2 in.
fm: 0 ft
to: 30 ft
Screens:
type: PVC size: 0.010in dia: 2 in.
fm: 30 ft
to: 40 ft
Annular Fill:
type: Portland Type I Cement
type: Bentonite Chips
type: #2 Silica Sand
fm: 0 ft
fm: 26 ft
fm: 28 ft
to: 26 ft
to: 28 ft
to: 30 ft
MP ELEVATION:
rn
792.11' MSL
Material Description
c
o
`"_ '
as
0
n
U
O
d
a
N
C
W
O
v
.0N
CL
N
UJ
Cl
d'
Cn
m
d
C.7
_ =
Top Soil
CLAY, red -brown, trace silt, medium stiff, dry. (CL)
CENEM
_
5
— 780
10'—
SILTY CLAY, light brown, stiff, moist. (ML)
RM
-
Note: Wet at 13.0'.
15
SILTY CLAY, brown, trace fine to medium send,
L
_
moist. (ML)
770
20'—
25'—
WOME.
— 760
30'-
-
NOTE: Becomes saturated at 33.0'
_
wa
PXK .
35'—
SILTY CLAY, brown, trace fine to medium sand,
saturated. (ML)
— 750
40'—
saga+
Total Depth = 40.0'
P
45'-
- 740
50'-
55'—
Page 1 of 1

NONRESIDENTIAL WELL CONSTRUCTION RECORD
North Carolina Department of Environment and Natural Resources- Division of Water Quality
WELL CONTRACTOR CERTIFICATION # 3098
1. WELL CONTRACTOR:
JOHNNY BURR
Well Contractor (Individual) Name
GEOLOGIC EXPLORATION, INC.
Well Contractor Company Name
STREET ADDRESS 176 COMMERCE BLVD
STATESVILLE NC 28625
City or Town State Zip Code
70( 4 )- 872-7686
Area code- Phone number
2. WELL INFORMATION:
SITE WELL ID #(if applicable) MW-12
STATE WELL PERMIT#(if applicable)
DWQ or OTHER PERMIT #(if applicable)
WELL USE (Check Applicable Box) Monitoring 91 Municipal/Public ❑
Industrial/Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑
Irrigation❑ Other ❑ (list use)
DATE DRILLED '02/08/10
TIME COMPLETED AM ❑ PM ❑
3. WELL LOCATION:
CITY: ROCKWELL COUNTY ROWAN
8135 RED ROAD 28138
(Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code)
TOPOGRAPHIC / LAND SETTING:
❑ Slope ❑ Valley ❑ Flat ❑ Ridge ❑ Other
(check appropriate box)
LATITUDE May be in degrees,
minutes, seconds or
LONGITUDE in a decimal format
Latitude/longitude source: ❑GPS ❑ Topographic map
(location of well must be shown on a USGS topo map and
attached to this form if not using GPS)
4. FACILITY- is the name of the business where the well is located.
FACILITY ID #(if applicable)
NAME OF FACILITY ALCHEM
STREET ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
CONTACT PERSON ALCHEM
MAILING ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
Area code - Phone number
5. WELL DETAILS:
a. TOTAL DEPTH: 40.0 FEET
b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO 91
c. WATER LEVEL Below Top of Casing: 15.0 FT.
(Use "+" if Above Top of Casing)
d. TOP OF CASING IS 0.0 FT. Above Land Surface*
*Top of casing terminated at/or below land surface may require
a variance in accordance with 15A NCAC 2C .0118.
e. YIELD (gpm): N/A METHOD OF TEST N/A
f. DISINFECTION: Type N/A Amount N/A
g. WATER ZONES (depth):
From To From To
From To From To
From To From To
6. CASING: Thickness/
Depth Diameter Weiqht Material
From 0.0 To 30.0 Ft. 2 INCH SCFT40 PVC
From To Ft. .
From To Ft.
7. GROUT: Depth Material Method
From 0.0 To 26.0 Ft Portland bentonite SLURRY
From To Ft.
From To Ft.
8. SCREEN: Depth Diameter Slot Size Material
From 30.0 To 40.0 Ft. 2.0 in. .010 in. PVC
From To Ft. in. in.
From To Ft. in. in.
9. SAND/GRAVEL PACK:
Depth Size Material
From 28.0 To 40.0 Ft, 20-40 FINE SILICA SAND
From To Ft.
From To Ft.
10. DRILLING LOG
From To Formation Description
0.0 6.0 RED CLAY
6.0 12.0 ORANGE CLAY
12.0 35.0 BROWN SILTY CLAY
35.0 40.0 BROWN SILTY WEATHERED ROCK
11. REMARKS:
BENTONITE SEAL FROM 26.0 TO 28.0 FT
I DO HEWY CERTIFY THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH
1�ONC
T�RUCTION STAN DS, AND THAT A COPY OF THIS
RDED TO THE WNER.
02/15/10
I(IATURE O ERTIFIED WELL CONTRACTOR DATE
JOHNNY BURR
PRINTED NAME OF PERSON CONSTRUCTING THE WELL
Submit the original to the Division of Water Quality within 30 days. Attn: Information Mgt., Form GW-1b
1617 Mail Service Center- Raleigh, NC 27699-1617 Phone No. [phone] ext 668. Rev. 7105

WELL CAP
LOCKING STEEL WELL SHIELD
GROUND SURFACE] GROUT CROWN
BENTONITE
2" SCH 40
F-
PVC. RISER
C'4
Li
CASING WALL
THICKNESS Of
- ui
0. 154" 0 V)
N------- -----
Z—i --- ------
cq O ------ -----
Z U) ------ ------
w
m ------ ------ uJ
uj
cq zg
uj
Q
SAND PACK
z
Ld
-0 ui
V)
2" SCH 40 PVC
WELL SCREEN
0.010" SLOT SIZE
. . . . . . . . . . . .. .. ...
BOTTOM PLUG
NOTE: FIGURE NOT TO SCALE
D E LTAI%hk..
PROJECT NO. RGURE MJENTAOCA-nON
5EO805096P No' ALCHEM, INC.
PROJECT MANAGER
JDR ROCKWELL, NORTH CAROLINA
DESIGNED BY DRAWING DESCRIP'nON
DRAWN BY MONITORING WELL MW-12 DETAIL
NEW I
REVIEWED BY I DATE CAD NO.
02/26/2010 1 SCALE NONE

Project Number: 5EO805096P
Project Name: Alchem, Inc
® E L T A Contractor: DELTA CONSULTANTS
Consulting Firm: DELTA CONSULTANTS
Logged By: Norm Wells
Date(s): 02/ 11 /2010
Purpose: Deep Monitoring Well
Drilling Method: Hollow Stem Auger, Mud Rotary
Remarks: Total Depth = 100.0'. Well set at 99.0'.
r
rn
v
C
0
c
Q
0
O
y
U
d
V
U
G
"
O
-C
O
3
a
N
N
N
O
N
w
Cr
V)
83
Q_
C7
Site Id: MW-12D
Location: Rockwell, North Carolina
Elevation: 792.37'
Datum:
Measuring Point: Top of Casing
Blank Casing:
type: PVC die: 2 in.
fm: 0 ft
to: 89 ft
Screens:
type: PVC size: 0.010in die: 2 in.
fm: 89 ft
to: 99 ft
Annular Fill:
type: Portland Type I Cement fm:
0 ft
to: 72 ft
type: Bentonite Slurry fm:
72 ft
to: 87 ft
type: #2 Silica Sand fm:
87 ft
to: 99 ft
Well Construction
MP ELEVATION:
792.37'1 MSL
Material Description
— —
lop Z)ou
CLAY, red —brown. (CL)
_
CEMENT—""
780
10'—
770
20'RISER
77'
760
30'—
— 750
40'—
SILTY SANDY CLAY, light brown, Saturated (CL)
— 740
50'—
Partially Weathered Bedrock
+ + + +
— 730
60'—
+ + + +
NOTE: Grades from very fine grained to coarse/very
—720
70 —
+ + +
coarse grained with depth.
+ + + +
— 710
80'—
+ + + +
BENi0N1
+ + + +
+ + + +
SMXO
PAC¢
— 700
90'—
+ + + +
+ + + +
SCREEN
Competent Bedrock at 100.0'
—690
1001—
1
Total Depth = 100.0'
aE
—680 1110,
Page 1 of 1

NONRESIDENTIAL WELL CONSTRUCTION RECORD
North Carolina Department of Environment and Natural Resources- Division of Water Quality
WELL CONTRACTOR CERTIFICATION # 2402
1. WELL CONTRACTOR:
MIKE MCCONAHEY
Well Contractor (Individual) Name
GEOLOGIC EXPLORATION, INC.
Well Contractor Company Name
STREET ADDRESS 176 COMMERCE BLVD
STATESVILLE NC 28625
City or Town State Zip Code
70( 4 )- 872-7686
Area code- Phone number
2. WELL INFORMATION:
SITE WELL ID #(if applicable) MW-12D
STATE WELL PERMIT#(if applicable)
DWQ or OTHER PERMIT #(if applicable)
WELL USE (Check Applicable Box) Monitoring 91 Municipal/Public ❑
Industrial/Commercial ❑ Agricultural ❑ Recovery ❑ Injection ❑
Irrigation❑ Other ❑ (list use)
DATE DRILLED 02/11/10
TIME COMPLETED AM ❑ PM ❑
3. WELL LOCATION:
CITY: ROCKWELL COUNTY ROWAN
8135 RED ROAD 28138
(Street Name, Numbers, Community, Subdivision, Lot No., Parcel, Zip Code)
TOPOGRAPHIC / LAND SETTING:
[]Slope ❑ Valley []Flat ❑ Ridge ❑ Other
(check appropriate box)
LATITUDE May be in degrees,
minutes, seconds or
LONGITUDE in a decimal format
Latitude/longitude source: ❑GPS ❑ Topographic map
(location of well must be shown on a USGS topo map and
attached to this form if not using GPS)
4. FACILITY- Is the name of the business where the well is located.
FACILITY ID #(if applicable)
NAME OF FACILITY ALCHEM
STREET ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
CONTACT PERSON ALCHEM
MAILING ADDRESS 8135 RED ROAD
ROCKWELL NC 28138
City or Town State Zip Code
U-
Area code - Phone number
5. WELL DETAILS:
a. TOTAL DEPTH: 99.0 FEET
b. DOES WELL REPLACE EXISTING WELL? YES ❑ NO 91
c. WATER LEVEL Below Top of Casing: 33.0 FT.
(Use "+" if Above Top of Casing)
d. TOP OF CASING IS 4.0 FT. Above Land Surface*
'Top of casing terminated at/or below land surface may require
a variance in accordance with 15A NCAC 2C .0118.
e. YIELD (gpm): N/A METHOD OF TEST N/A
f. DISINFECTION: Type N/A Amount N/A
g. WATER ZONES (depth):
From To From To
From Tc From To
From Tc From To
6. CASING: Thickness/
Depth Diam er Weiqht Material
From 0.0 To 89.0 Ft. 2 INCA SC H 40 PVC
From To Ft.
From To Ft.
7. GROUT: Depth Material Method
From 0.0 To 72.0 Ft. Portland bentonite SLURRY
From To Ft.
From To Ft.
8. SCREEN: Depth Diameter Slot Size Material
From 89.0 To 99.0 Ft. 2.0 in. .010 in, PVC
From To Ft. in. in.
From To Ft. in. in.
9. SAND/GRAVEL PACK:
Depth Size Material
From 87.0 To 99.0 Ft. 20-40 FINE SILICA SAND
From To Ft.
From To Ft.
10. DRILLING LOG
From To Formation Description
0.0 1.0 GRASS/WEEDS/TOPSOIL
1.0 5.0 ORANGE/RED SANDY SILTY CLAY
5.0 20.0 ORANGE SANDY SILTY CLAY
20.0 40.0 TAN/ORANGE SANDY SILTY CLAY
40.0 100.0 BLACK/WHITErrAN SILTY SAND
11. REMARKS:
BENTONITE SEAL FROM 72.0 TO 87.0 FT
le
I DO HER€ CEMI THAT THIS WELL WAS CONSTRUCTED IN ACCORDANCE WITH
VR.
0 2C, W , CONSTRUCTI . S D S, A THAT OPY OF THIS
' S PROVIDE It R.iiATURE OF RTIFIED WELL CONT.WnOR� DATE
MIKE MCCONAHEY
PRINTED NAME OF PERSON CONSTRUCTING THE WELL
Submit the original to the Division of Water Quality Within 30 days. Attn: Information Mgt., Form GW-1b
1617 Mail Service Center- Raleigh, NC 27699-1617 Phone No. [phone] ext 568. Rev. 7/05

WELL CAP
LOCKING STEEL WELL SHIELD
GROUND SURFACE] GROUT CROWN
-77 71771;,
BENTONITE
2" SCH 40
PVC RISER
z
cli
uj
CASING WALL
THICKNESS
ui
0.154 oo
Ld ----- -
t= ------- -----
Z —i
Lr) --- -----
z U) ------
Ld ------ Ld
GO
0)
lwz
z8w
mw
U)
SAND PACK
. . . . . . . . . . . . ::
z
w
0 w
V)
2" SCH 40 PVC
WELL SCREEN
0.010" SLOT SIZE
BOTTOM PLUG
NOTE: FIGURE NOT TO SCALE
D E L T A
PROJECT NO. RGURE CUENTAOCA-nON
5EO805096p NO- ALCHEM, INC.
PROJECT MANAGER
JDR ROCKWELL, NORTH CAROLINA
DESIGNED BY DRAWNG DESCRIPTION
DRANK BY MONITORING WELL MW-12D DETAIL
NEW
REMEWD BY DATE CAD NO.
02/26/2010 1 SCALE NONE

APPENDIX C
SURVEY PLAT MAP

jll III
I i
1
1
It
� 1
N It
RISEfl-805.6262
`t Tr
1
1`
I, MICHAEL C. SAWHILL. HEREBY CERTIFY THAT THIS MAP REPRESENTS
THE CONDITIONS EXISTING ON THE GROUND AT THE TIME OF A
SURVEY PERFORMED UNDER MY DIRECTION BETWEEN SEPTEMBER 25.
2008 AND FEBRUARY 22. 2010 AND THAT THIS MAP AND FIELD
SURVEY UPON WHICH IT IS BASED WAS PREPARED UNDER MY
SUPERNSION AND REFLECTS THE CONDITIONS ON THE GROUND AT
THAT TIME.
-UAIL
LEGEND
PROPERTY LINE SURVEYED
-
PROPERTY LINE NOT SURVEYED
- -
RIGHT-OF-WAY LINE
®
WELL
(a
MONITOR WELL
FFE
FINISHED FLOOR ELEVATION
1, ALL DISTANCES ARE HORIZONTAL MEASUREMENTS UNLESS OTHERWISE NOTED.
2. THIS PLAT IS NOT FOR RECORDATION AS PER G.S. 47-30 AS AMENDED,
3. BASS OF HORIZONTAL AND VERTICAL DATUM IS MAP TITLED "TOPOGRAPHIC
SURVEY FOR ALCHEM, INC.' DATED MAY 27, 2007 PREPARED BY NORMAN
GREY RIBEUN PLS L-2674. NOT OF PUBLIC RECORD.
4. NO BOUNDARY SURVEY WAS PERFORMED BY THE SURVEY COMPANY, INC.
ALL BOUNDARY INFORMATION SHOWN HEREON WAS TAKEN FROM MAP TITLED
'TOPOGRAPHIC SURVEY FOR ALCHEM, INC." DATED MAY 27. 2007 PREPARED
BY NORMAN GREY RIBELIN, PLS L-2674. NOT OF PUBLIC RECORD.
5. EDGE OF PAVEMENT AND RAILROAD TRACKS WERE DRAWN IN FROM AERIAL
IMAGERY. NOT FIELD LOCATED.
e
��\�.A' Mwe
��,.)GROUND
RISERv 777A5
,
A.
FOUND 31
ELEVATIDI'�\� PER NON
A
R16ER=793.74
UNLOADING
SHED - - - - -
- - - -In3 --- �___--
FFE-802.21 w326 T. - - _ _ - _ _ _ - _ - - feo3.33 ;FOUND
/ ♦a YWOD J/COA' PIPE
}801.73 GROUND-791.65 IN TRDL 986
uwl B I 1 (ao2.38 RISER-794.44 (NOTE /3)
WOUND=803.J4 I
1• RISER-8D"B I
VICINITY MAP
- NOT TO SCALE
`} POND 1 1 POND 1
\ 1 1 1
1 1 1 I MWT !
1 1 GROUND=796.02
\ , 1 RISER. 797.76
kV0320 0
BOf29 I-------------r90361\ ��
\ 1
\ IKA �80941 i
\ ® 1 I
1\ 1 1
\ \ GRWND72
RISER- 8o&690669 GROUND-BOB.40
\ I STORY METAL RISER=810.300
\ _ %'�••% GRWND=8I18.93 ) POND
X. ,
RISER-811.29 \ 1
\ \ 1
1 1
810� 0986
', 1 STORY METAL � /
�P \ �509.98- �81027
TEMPORARY BENCH MARK
-!/ F
NAIL IN POWER POLE
\ ELEVARON=811.31 -
\ ® GRWND-80 .61 e
RISER-BOB.51
\ 0
'\ 1 STORY FRAME ® %v
FFE-806.91
\ d. ..2D
1 GROUND-789.52
\ \ R15ER=]92.37 yY02
\ GROUND=789.J0
\ RISER-792.11
\
\
1 \
uw OB \
RIy=]]98. 15 0 CMAWWND-B06.18
WSER-9]\ \\ RISER-8o].57
GRAPHIC SCALE
WWII
GRWND-798.93
IN FEZ
RISER-798.5E (�
1 i.h= 60 TL uWHO
GROUND-799.26
RISER-799.06
PROJECT NUMBER: DLT 09
PREPARED FOR
DELTA ENVIRONMENTAL
BOOB CORPORATE CENTER DRIVE
SUITE 100
CHARIATTE. NO 2822E
MONITOR WELL SURVEY OF:
THE SURVEY
COMPANY, INC.
SURVEYED BY: KMS
DRAWN BY: TRB
CHECKED BY: MCS
ISSUE DATE: 09/29/2008
PHONE: [phone]
CONTACT; JOHN REUSCHER
ALCHEM SITE
8135 RED ROAD, ROCKWELL, NC
GOLD HILL TOWNSHIP
430vvSBAA DDSTUART ApNDREW BLVED7
CI]ARLO1 1G NC ZSZ1/
'
REVISIONS:
.DDFD Wf9 _ DB,B7,B9
E ADDLT ,fF'9 - Ox/22/18
PROPERTY OWNER:
MICHH seINC.
ROCKWELL. NO 28138
-1
ROWAN COUNTY - NORTH CAROLINA
11
(704WWW.70 (VEYC704) 1.COM FAX
WWW.SURVEYCO.COM
CAD ME: DLT09.DWC1

APPENDIX D
GW-59A AND GW-59 FORMS

GW-59A COMPLUNCE REPORT FORM Permit # l' !gOOf%oZZ6a
(Submit one each monitoring period ivith GW-59 forms.)
1
Enter date monitoring results were due. ( eR 420iD Will this monitoring report (GW-59 and GW-59A)
YES
O
be submitted after the established due date?
2
Was any required information missing on the GW-59 report forms?
YES
NO
IF the answer to question I or 2 is 'YES", list in the space provided below the well identification number(s) and
explain the problems encountered in obtaining the required information.
3
Are any of the monitor wells in need of repair or maintenance (damaged casing, unlocked or missing cap, missing
identification plate, area overgrown, etc.)? If the answer is "Yes", contact the Regional Office for guidance.
YES
NO
4
Are any monitored constituents equal to or above the established standards?
YES
NO
If the answer to question 4 is "NO", skip to section B.
If the answer to question 4 is "YES" list the affected wells individually with constituent(s) and concentration(s)
exceeding standards in the space provided below:
5
For the constituents identified in question 4 above, have standards been exceeded previously for the
YES
NO
same constituent(s) in the same well(s) in the last two years?
If the answer to question 5 is 'NO", skip to section 8.
If the answer to question 5 is "YES", list in the space provided below, each well with constituent(s) exceeding
standards, concentration(s) reported, and sample collection date for each occurrence (for the last two years).
/ In Al- � to A" - 3
6
Are the monitoring wells listed in section 5 located at or beyond the review boundary?
YES
NO
If the answer is "YES", a groundwater quality problem may be occurring. CONTACT THE REGIONAL
OFFICE IMMEDIATELY FOR GUIDANCE. If the answer is "NO", monitoring wells maybe improperly
located, contact the Regional Office.
7
Is the permittee implementing previously approved actions required by the Division involving this
YES
NO
groundwater quality problem?
If the answer to question 7 is "YES, describe those actions in the space provided below.
If the answer to question 7 is "NO" contact the Regional Office within 90 days: an evaluation may be
required to determine the impact the waste disposal system is having at the review and compliance
boundaries surrounding this facility. Failure to do so may subiect the permittee to a Notice of Violation,
lines, and/or penalties.
g
The person completing this portion (GIV--59A) of the monitoring report should sign below and submit this
form with GW-59 forms for required wells to the address provided at the top of the current GW-59 form.
I hereby acknowledge that the above information was evaluated and the information submitted In this
report (Compliance ReportGW-59A) is true.and complete to the best of my knowledge.
Wig tL z,
CSi nature of Permittee (or Authorized Agent) O ,V\ Date
1� c�'"--r,A TA(.
GW-59A 12/8/2003

SUBMIT FORM ON YELLOW PAPER ONLY
EPARTMENT OF ENVIRONMENT 3 NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING:
15M:17
VISION OF WATER QUALITY -INFORMATION PROCESSING. UNIT-.
COMPLIANCE REPORT FORM
MAIL SERVICE CENTER',- RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATIO�N1 Please PdntClearly orType
PERMIT Number: Expiration Date: 1113.E -o�y
Facility Name: T �L�dE/ ,, 1 ✓1. �, ;
Non -Discharge UIC
Permit Name (if different):
NPDES Other+r'-
Facility Address: �/ ��Ieeyl
TYPEQF PERMITTED OPERATION BEING MONITORED
%4,,U ii S1Ee1) NC v/
County /C i.a:e?e^)
101agoon ❑ Remediation: Infiltration Gallery
,sime, r,n'
❑ Spray Field ❑Remediation:
Contact Person: . ;;_ n i�" C>
Telephone#: •�'t��
El Rotary Distributor ❑Land Application of Sludge
Well Location/Site Name:111+a ,>-e
No. of wells to be sampled: _
❑ Water Source Heat Pump ❑ Other:
from Permit
SAMPLING INFORMATION
ELL ID NUMBER (from Permit): . " l
/
Date sample collected: J ��,h�% FIELD ANALYSES:
If WELL,
WAS
,�
Well Depth: ft.
Well Diameter: ram. in.
`i�J�
pH 'f". units Temp. C
DRY at
Depth to Water Level 4 Ci ft. below measuring point
Screened Interval: 3C-_ft. to 4G� ft. Spec. Cond. ;.T 'L_ µMhos
time of
sampling,
Measuring Point is L , SS ft. above land surface
Relative M.P. Elevation: . ,o ft.
Odor iV '0? C_
check
Volume of water pumped/bailed before samplings r� gallons
Appearances
here:
Samples for metals were collected unfiltered: YEL S El NO
and field acidified: LI'YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed:: /� '�/� ir. — ,j /) %rim'
`� ,ry
Laboratory Name: i"�X e. /- r'4 k�i-�_-it'�,�_
•N wZ. mc.' Certification No. 3 —M ,7
PARAMETERS NOTE: Values should reflect dissolved an; colloidal concentrations.
T
COD mg/I
Nitrite (NO2) as N mg/I
Pb - Lead mg/I
Coliform: MF Fecal /100ml
Nitrate (NO3) as N mg/I
Zn - Zinc mg/I
Coliform: MF Total /100ml Phosphorus: Total as P mg/l
(Note: Use MPN method for highly turbid samples)
Orthophosphate mg/l
Other (Specify Compounds and Concentration Units):
Dissolved Solids: Total �' qe mg/I
Al - Aluminum -" mg/I''�..
�►I -L
pH (when analyzed) units
Ba - Barium mg/I
Lmil/F-
TOC mg/I
Ca - Calcium mg/I
L
Chloride mg/I
Cd - Cadmium mg/I
Arsenic mgll
Chromium: Total mg/I
Grease and Oils mg/I
Cu - Copper mg/I
ORGANICS: (by GC, GC/MS, HPLC)
Phenol mg/1
Fe - Iron mg/1
(Specify test and method #. ATTACH LAB REPORT.)
Sulfate :;� � mgA
Hg - Mercury, mg/l
Report Attached? ❑ Yes (1) ❑ No (0)
Specific Conductance !, 3 76 µMhos
K - Potassium mg/I
VOC method #
Total Ammonia mg/I
Mg - Magnesium mg/I
method #
(Ammonia Nitrogen; NH�as N; Ammonia Nitrogen, Total)
Mn - Manganese _ mg/I
_ •_ ,. method # _
TKN as N mg/I
Ni - Nickel mg/I
method #
For Remediation Systems Only (Attach Lab Reports) Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%o
iftee (or Authorized Agent) I
GW-59 Rev.1/2007

SUBMIT FORM ON YELLOW PAPER ONLY
EPARTMENT OF ENVIRONMENT 6 NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING:
(VISION OF WATER QUALITY.4NFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
817 MAI-SERVICE CENTER, RALEIGH, NC 27699.1917 .Phone:.[phone]
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date:
Facility Name:}%��T7, ,�f7L,
Non -Discharge UIC
Permit Name (if different):
NPDES Other
Facility Address: 1 'Red _ PICCz `
TYPE OF PERMITTED OPERATION BEING MONITORED
(S,r.el)
NC c
% County l�Lud2l l
,�,�
k`P Lagoon ❑ Remediation: Infiltration Gallery
(City) (slate.) .(Zip,
❑' Spray Field ❑ Remediation:
Contact Person: J& , it -
Telephone#: `7,-V-y �-71- 711) Y
ElRotary Distributor ❑ Land Application of Sludge
ell Location/Site Name:_yl4in;� 492� �Lr2C.
No. of wells to be sampled:
El Water Source Heat Pump El Other:
from Permit
SAMPLING INFORMATION
WELL ID NUMBER (from Permit):
Date sample collected: -2-0 Lio
FIELD ANALYSES:
If WELL
WAS
Well Depth: ft.
_
Well Diameter: r in.
pH + IT units Temp. (P j AS °C ,
DRY at
Depth to Water Level. 1 S:. 3 ft. below measuring point
Screened Interval: ft. to .4!�,ft. Spec. CoµMhos
time ofnd.
sampling,
Measuring Point is ' 7 , ft. above land surface
Relative M.P:'Elevation:7?:3 a"7 ft.
Odor /von -
check
Volume of water pumped/bailed before sampling —gallons /
Appearance , %✓-
here:
Samples for metals were collected unfiltered: YEIJ S
LJ NO and field acidified: [21ES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: .Z f Ja;1 bz -- s5 ji b0
Laboratory Name: j�Z&C 4vyL, k t 1 �Cd•�. _��;
i +uc _� �� • Certification No. ` '% 71=
PARAMETERS NOTE: Values should reflect dissolved
and colloidal concentrations.
COD mg/I
Nitrite (NO2) as N mg/I
Pb - Lead mg/I
Coliform: MF Fecal /100ml
Nitrate.(NOa) as N mg/I
Zn - Zinc mg/I
Coliform: MF Total /100ml
Phosphorus: Total as P mg/l
(Note: Use MPN method for highly turbid samples)
Orthophosphate mg/I
, Other (Specify Compounds and Concentration Units):
Dissolved Solids Total //Crr mg/I
AI - Aluminum mgll
pH (when analyzed) . t:} units
Ba - Barium mg/I
l41L '('C /115 a.,Ivor(` C% % 1 Y,q
TOC mg/I
Ca - Calcium mgll
Chloride mg/I
Cd - Cadmium mg/I
Arsenic mg/I
Chromium: Total mg/I
Grease and Oils mg/I
Cu - Copper mg/I
` ORGANICS: (by GC, GC/MS, HPLC)
Phenol mg/I
Fe - Iron mg/I
(Specify test and method #. ATTACH LAB REPORT.)
Sulfate j,, mgll
Hg -'Mercury mg/1
Report Attached? ❑ Yes (1) ❑ No (0)
Specific Conductance µMhos
K = Potassium mg/l
VOC method #
Total Ammonia mg/I
Mg - Magnesium mg/I
method #
(Ammonia Nitrogen; NH3as N; Ammonia Nitrogen, Total)
Mn - Manganese mg/I
method #
TKN as N mg/I
Ni - Nickel mg/1
method #
For Remediation Systems Only (Attach Lab Reports) Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%
_LZI *4 `. / r7c4� Han , • r;6"
Pennittee (or Authorized Agent) Name and Title - Please print or type
GW-59 Rev.1/2007

SUBMIT'FORV ON YELLOW PAPER ONLY
gPARTNIENT OF ENVIRONMENT &NATURAL, RESOURCES
GROUNDWATER QUALITY MONITORING:
IVISION_OF WATER QUALITY-INFORMATION.PROCESSING UNIT 1'
COMPLIANCE ORM _
617 MAIL SERVICE,CENTER',!RALEIGH,,NC'2769p 1617` Phone. [phone] ,_
FACILITY PleasePnntClearlyor
Type.. "
PERMIT Number:; _ ;_ Expiration Date:.// ..'g
-INFORMATION
Facility Name: /,ice%/' , ..
Non -Discharge UIC
_.:
Permit Name (if different)':
NPDES. • Other 10
Facility Address:-Sj3-!i : -- . ark � c
TYPI S3. PERMITTED OPERATION. BEING MONITORED
NC, 1:
County e%r-i.
Lagoon- ❑ Remedlation: Infiltration Gallery
(City) -, '.(Slate (7q)1 '
- _
.. -
❑ Spray Field ❑ Remedlation:
Contact Person: .=,:.lGZ �r2,.:.,�: ������
Gam" '
Telephone# �lJ4' -�%•1 ����
❑• Rotary Distributor '❑ Land,Applcaton of,Sludge+ ,
Well Location/Site Name: r'Y`1Li �;�' ,� ��t?a,�T .T 1-:, .
No. of wells tobe sampled: ,_5'
❑ Watef Source Heat Pump ❑ Other:.
'
from Permit ,
-
SAMPLING INFORMATION,
WELL ID NUMBER (from Permit)s �s i
(.
Date'samPle collected:C D.' _ FIELD•ANALY.SES:
If WELL
WAS ,
Well Depth: e_ft.
Well Diameter: in.
pH G^ units,. Temp �:,' Ci ,°C"„
DRY at
'a
Depth. to Water Level =', ,1✓,ft:below measuring, point; '
9 ft. µ
ScreenedInterval:��S.5 ft. to$pec.-fond ? 3'tu .,- Mhos''
time- If.
sainP ing,
Measuring Point is ft, above land surface
Relative M.P. Etevation.g �� � .: ft,.,. ^
Odor �y C t�
check
Volume of water pumped/bailed before sampling: gallons,
_
Appea[ance [%
tiers: ❑
Samples for metals Were collected_ unfiltered: DYES ❑.NO
-.and field acidified: , u YES, ❑ NO
LABORATORY INFORMATION
Date'sample analyzed:"-f%G/✓'d6
LaboratoryName�� j{ti >} (...aai'ct
i . `ivy_• Certification No.
PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations.
COD mg/I
Nitrite (NOZ) as N " mg/I
Pb.= Lead °mg/I
Coliform: MF Fecal /100ml ,,.
Nitrate (NOs) as N. mg/I
•.Zn'--Zinc , ;rig/I
Coliform: MF Total /100ml, Phosphorus:
Total as-Pmg/I
(Note; Use MPN mettiod for highly turbid samples) -
Orthophosphate '- mg/I
Other,(Speeify:Compounds and Concentration -Units);
Dissolved Solids: Total, �,. -mg/I
m ./I
AI`- Alumiluma g
„ap• ./ ra .
G
pH (when analyzed) ~ , units',
Ba - Barium mg/l
TOC` _ - mg/I
Ca -Calcium. mg/l
Chloride mgll
Cd --Cadmium _ mg/I
Arsenic mg/I
Chromium: Total mg/I
Grease and Oils mg!l
Cw - Copper mg/I,
ORGANICS: (by GC,,GC/MS, HP.LC),
,Phenol mg/I
Fe - Iron .. mg/I
(Specify test and method #. ATTACH LAB, REPORT.).
Sulfate. - % mg/I
Hg: Mercury, ' mg/I
Report Attached? ❑ 'Yes (1) °❑ 'No (0)
Specific, Conductance" �."�„ µMhos
K - Potassium mg/I
VOC ._ ; metfiod
Total Ammonia mg/I
'Mg -Magnesium mg/I
method, #
(Ammonia Nitrogen; NHaas N; Ammonia Nitrogen, T.otai),
Mn - Manganese mg/I
method#. '.
TKN as, N mg/I,
Ni"- Nickel. mg/I
method # . .
For Remediation, Systems Only ('Attach Lab Reports): , Influent Total VOCs:
and belief. the lnfoWatioTjQQU=1��
ilt Est' ` 2 l C- Sv tt :ti l u
Permittee (or Authorized Agent) ame,`and Title -.Please print or type > '
GW-59 Rev.1/2007

SUBMIT FORM ON YELLOW PAPER ONLY
EPARTMENT OF ENVIRONMENT &'NATURAL' RESOURCES
GROUNDWATER QUALITY MONITORING:
�1617
rvisION OF WATER QUALITY -INFORMATION PROCESSING UNIT -
COMPLIANCE REPORT FORM
MAIL SERVICE'CENTER; RALEIGH, NC_27699.1417 Phone:,[phone]
FACILITY INFORMATION Please PriritCleady,orType
PERMIT Number: Expiration Date:
Facility Name: %--lG/�'1 , 1 ,t/i'_.
Non -Discharge uIC
Permit Name (if different):
NPDES Other t:1(2 -ee) 6r 70,-2,,.
Facility Address: RA2_L C1
TYPE OPPERMITTED OPERATION BEING MONITORED
NC, 7`
County f C L-- r'j
E Lagoon , ❑ Remediation: Infiltration Gallery '
(Ciry) `s'"ej . - i''p'
❑' Spray Field ❑ Remediatior:
Contact Person: �� �r +'l i-t .�" •Sim" R�
c
Telephone# �v Y^7p %!
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: v'CaCy 44 4,fiooA , 17tL.
No. of wells to be sampled: -3
❑ Water Source Heat Pump ❑ Other:
(from Permit)
SAMPLING INFORMATION'
WELL ID NUMBER (from Perm
Date sample collected: : /)-0 "L FIELD ANALYSES:
If WELL
WAS
Well Depth:. ' �L" ft.
Well Diameter: A1A in.
pH " > i ` 17 units. Temp. - '1 a ` °C
DRY at
Depth to Water Level: 11 L%ft. below measuring p"oint°
" Mhos
Screened Interval �/4"ft. to ,ktk ft. Spec. Cond: �5� µ
time of
sampling,
Measuring Point is A ft. above land surface
Relative M.P. Elevation: AAA ft.
Odor
check
olume of water pumped/bailed, before sampling: ' .
gallons
Appearance !� C' �l`
here:
Samples for metals were collected unfiltered: bOYES ❑
NO and field acidified: ®'YES ❑ NO
❑
LABORATORY INFORMATION
r
Date sample analyzed �(% Ems' . �/f //ra
�-_
/ t ")
Laboratory Name: tom. ,f-Y,�c2(�.!{-1Cczc�
& ,;'1JbCCertification No..;'�%•:
PARAMETERS NOTE: Values should reflect dissolved and
colloidal.concentrations.
'
COD mg/l
Nitrite (NO2y as N
mg/I
Pb.- Lead mg/I
Coliform: MF Fecal 1100ml
Nitrate (NO3)' as N -
mg/I
Zn - Zinc mg/I
C,oliform: MF Total /100ml
Phosphorus: Total as P.
mg/1
(Note: Use MPN method for highly turbid samples)
Orthophosphate
mg/I
Other (Specify Compounds and Concentration Units): "
Dissolved Solids: Total SyLd mg/I
Al - Aluminum 0.
mg/I
pH (when analyzed) Cam, units
Ba - Barium
mg/I
/�,5 {,;c /t✓r; Crf �7��/ (_
TOC mgll
Ca - Calcium
mg/l
T
Chloride mg/I
Cd - Cadmium
mg/I
Arsenic mg/I
Chromium: Total
mg/I
Grease and Oils mg/I
Cu - Copper
mg/I
ORGANICS: (by GC,,GC/MS, HPLC)
Phenol mg/I
Fe'- Iron
mg/I
(Specify test and method,#. ATTACH LAB REPORT.)
Sulfate I mg/I
Hg - Mercury _ __
mg/1
Report Attached? ❑ Yes (1) ❑ No (0)
Specific Conductance µMhos
K - Potassium
mg/I
VOC method #
Total Ammonia mg/I
Mg - Magnesium
mg/l
- method #
(Ammonia Nitrogen: N%as N' Ammonia. Nitrogen, Total)" -
Mn -Manganese
mg/,I
- -
,method # .
TKN as N mg/I
Ni - Nickel
mg/l
method #
For Rerhediation Systems Only •Total• •MOV
1 certify that, to the best of my knowledge and belief, the information submitted in this report is true, accurate, and complete, and that the laboratory analytical data was produced using approved methods of analysis by a
DWQ-certified laboratory. I am aware that there are significant jenalties for submitting false information; including the possibility of fines and imprisonment for knowing violations.
ar - - i►. .. �.�
Permittee (or Authorized Agent) Nalme and Title - Please print or type §fffnatule of Permittee (or AulthorizedAgent) 5-
GW-59 Rev. 112007

APPENDIX E
GROUNDWATER LABORATORY ANALYTICAL RESULTS AND CHAIN OF
CUSTODY RECORDS

aceAnalytical
..pacelabs.com
March 02, 2010
John Reuscher
Delta Environmental Consultant
8008 Corp. Center Drive
Suite 100
Charlotte, NC 28226
RE: Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Dear John Reuscher:
Enclosed are the analytical results for sample(s) received by the laboratory on February 22, 2010.
The results relate only to the samples included in this report. Results reported herein conform to the
most current NELAC standards, where applicable, unless otherwise narrated in the body of the
report.
Inorganic Wet Chemistry and Metals analyses were performed at our Pace Asheville laboratory and
Organic testing was performed at our Pace Huntersville laboratory unless otherwise footnoted. All
Microbiological analyses were performed at the laboratory where the samples were received.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
— "�J'-Z--
Kevin Godwin
[e-mail]
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 1 of 27

acmnalytical
www.pacelabs.com
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
CERTIFICATIONS
Asheville Certification IDs
Florida/NELAP Certification #: E87648
Pennsylvania Certification #: 68-03578
Louisiana/LELAP Certification #: 03095
North Carolina Wastewater Certification #: 40
2225 Riverside Dr. Asheville, NC 28804
North Carolina Drinking Water Certification #: 37712
West Virginia Certification #: 356
North Carolina Bioassay Certification #: 9
Virginia Certification #: 00072
New Jersey Certification #: NC011
Tennessee Certification #: 2980
Massachusetts Certification #: M-NC030
South Carolina Certification #: 99030001
Connecticut Certification #: PH-0106
South Carolina Bioassay Certification #: 99030002
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
„,.ccoqo
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
SAMPLE SUMMARY
Project:
ALCHEM, INC- ROCKWELL, NC
Pace Project No.:
9263745
Lab ID
Sample ID
Matrix
Date Collected
Date Received
9263745004
MW-4
Water
02/20/10 14:05
02/22/10 08:00
9263745005
MW-5
Water
02/20/10 10:50
02/22/10 08:00
9263745006
MW-6
Water
02/20/10 09:50
02/22/10 08:00
9263745007
MW-6D
Water
02/20/10 09:15
02/22/10 08:00
9263745008
MW-7
Water
02/20/10 09:25
02/22/10 08:00
9263745009
MW-71)
Water
02/20/10 10:15
02/22/10 08:00
9263745010
MW-8
Water
02/20/10 11:35
02/22/10 08:00
9263745011
MW-9
Water
02/20/10 15:40
02/22/10 08:00
9263745012
MW-10
Water
02/20/10 14:50
02/22/10 08:00
9263745013
MW-11
Water
02/21/10 07:45
02/22/10 08:00
9263745014
MW-11D
Water
02/21/10 08:10
02/22/10 08:00
9263745015
MW-12
Water
02/21/10 09:15
02/22/10 08:00
9263745016
MW-12D
Water
02/21/10 10:30
02/22/10 08:00
9263745018
WS-2
Water
02/21/10 12:20
02/22/10 08:00
9263745019
WS-3
Water
02/21/10 14:05
02/22/10 08:00
9263745020
DANIELS
Water
02/21/10 15:10
02/22/10 08:00
9263745021
BEAVER
Water
02/21/10 15:30
02/22/10 08:00
9263745022
SAMPLES
Water
02/21/10 16:05
02/22/10 08:00
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
oc/ "cz� f
iIIera :
Page 3 of 27

/�.� ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
ace�illal /tical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabscom Asheville, NC 28804 Huntersville, NC 28078
SAMPLE ANALYTE COUNT
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
[phone] [phone]
Analytes
Lab ID
Sample ID
Method .
Analysts
Reported
9263745004
MW-4
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745005
MW-5
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745006
MW-6
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745007
MW-6D
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745008
MW-7
EPA 9040
LEP
1
ASTM' D516-90
SHB
1
9263745009
MW-7D
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745010
MW-8
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745011
MW-9
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745012
MW-10
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745013
MW-11
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745014
MW-11D
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745015
MW-12
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745016
MW-12D
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745018
WS-2
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745019
WS-3
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745020
DANIELS
EPA 9040
LEP
1
ASTM D516-90
SHB
1 .
9263745021
BEAVER
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263745022
SAMPLES
EPA 9040
LEP
1
ASTM D516-90
SHB
1
REPORT OF LABORATORY ANALYSIS Page 4 of 27
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
p •ccuR
:)©_

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMaRical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-4 Lab ID: 9263745004 Collected: 02/20/10 14:05 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.5 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 6050 mg/L 150 30 03/01/10 15:57 14808-79-8
0
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 5 of 27
This report shall not be reproduced, except in full,
without the written consentof
PPace
Analytical Services, Inc..
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® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
,�aneMaOcal 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-5 Lab ID: 9263745005 Collected: 02/20/10 10:50 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 4.9 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 I 03/01/10 14:51 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 6 of 27

aceAnalytical
www.pacelab&c0M
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.:. 9263745
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huritersville, NC 28078
[phone]
Sample: MW-6 Lab ID: 9263745006 Collected: 02/20/10 09:50 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.7 Std. Units 0.10 1 02/24/10 15:44 H3,1-16
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 1420 mg/L 500. 2 03/01/1016:56 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 7 of 27

e /�,� J ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCeMaIXical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
ww_ w.pacelabscom Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-6D Lab ID: 9263745007 Collected: 02/20/10 09:15 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.8 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 32800 mg/L 5000 10 03/01/10 17:06 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
mela©
Page 8 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMaOcal 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-7 Lab ID: 9263745008 Collected: 02/20/10 09:25 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 5.0 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 1 03/01/1014:53 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
s`LLL�IQ.Q=
Page 9 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-7D Lab ID: 9263745009 Collected: 02/20/10 10:15 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 5.7 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 1190 mg/L 150 30 03/01/1016:03 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
„.000#
ela©=
Page 10 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalXical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-8 Lab ID: 9263745010 Collected: 02/20/10 11:35 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.4 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 104 mg/L 50.0 10 03/01/10 16:09 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 11 of 27

/�.� ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-9 Lab ID: 9263745011 Collected: 02/20/10 15:40 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 5.3 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 1 03/01/10 14:56 14808-79-8
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 12 of 27
This report shall not be reproduced, except in full,
without the written consentofPace Analytical Services, Inc..

/�,� j ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
ace /`U(aft ical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelaftcom Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745 .
Sample: MW-10 Lab ID: 9263745012 Collected: 02/20/10 14:50 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 5.4 Std. Units 0.10 1 02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 1 03/01/10 14:56 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT.OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
4I �GIL
Page 13 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
acemalwical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-11 Lab ID: 9263745013 Collected: 02/21/10 07:45 Received: 02/22/10 08:00 Matrix: Water
Parameters
9040 pH
pH
ASTM D516-90 Sulfate Water
Sulfate
Date: 03/02/2010 06:42 PM
Results Units Report Limit DF Prepared Analyzed CAS No. Qual
Analytical Method: EPA 9040
5.5 Std. Units 0.10 1 02/24/10 18:33 H3,H6
Analytical Method: ASTM D516-90
7.6 mg/L 5.0 1 03/01/10 14:56 14808-79-8
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
elate=
Page 14 of 27

QQ //��,,�� ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
�VG/"U,(t�/ocal%2225 Riverside Dr. 9800 KinceyAve. Suite 100
—.pacelabscom Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-11D Lab ID: 9263745014 Collected: 02/21/10 08:10 Received:' 02/22/16 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.1 Sid. Units 0.16 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 1 03/01/1014:59 14808-79-8
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 15 of 27
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
AOI
V���z

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-12 Lab ID: 9263745015 Collected: 02/21/10 09:15 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.4 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 100 mg/L 50.0 10 03/01/10 16:12 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
ma�yy�`
Page 16 of 27

/�,� / J® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCe/''111alXica/ 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
_pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: MW-12D Lab ID: 9263745016 Collected: 02/21/10 10:30 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.3 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 511 mg/L 150 30 03/01/1016:17 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 17 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceftlXical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
wwwpacela6scom Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: WS-2 Lab ID: 9263745018 Collected: 02/21/10 12:20 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua]
9040 pH Analytical Method: EPA 9040
pH 4.0 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 3970 mg/L 1250 5 03/01/10 17:06 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
iWk
Page 18 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
,�aneAnalyfical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelab&com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: WS-3 Lab ID: 9263745019 Collected: 02/21/10 14:05 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.7 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 8820 mg/L 1250 5 03/01/10 16:54 14808-79-8
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 19 of 27
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
�Ll_LC�4;

i
aceAnalytical
www.pacelab&com
i
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: DANIELS Lab ID: 9263745020 ` Collected: 02/21H0 15:10 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.6 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate - 193 mg/L 50.0 10 03/01/10 16:12 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
/;I1r1� l
LJLJLVILiIai':
Page 20 of 27

aceAnalytical
wwwpacelabs,com
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
2225 Riverside Dr. 9800 Kincey Ave. Suite 100
Asheville,. NC 28804 Huntersville, NC 28078
l
[phone] [phone]
ANALYTICAL RESULTS
Sample: BEAVER Lab ID: 9263745021 Collected: 02/21/10 15:30 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua]
9040 pH Analytical Method: EPA 9040
pH 6.5 Std. Units 0.10 1 02/24/10 18:33 - H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 132 mg/L 50.0 10 03/01/1016:15 14808-79-8
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
p •CCOggq
n
Page 21 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
acemalxical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacela6scom Asheville, NC 28804 Huntersville, NC 28078
ANALYTICAL RESULTS
[phone] [phone]
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Sample: SAMPLES Lab ID: 9263745022 Collected: 02/21/10 16:05 Received: 02/22/10 08:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.6 Std. Units 0.10 1 02/24/10 18:33 H1,H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 291 mg/L 150 30 03/01/1016:17 14808-79-8 MO
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
`/Ilcn.
Page 22 of 27

aceAnalj4kal
wwwpacelabs.com
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
QC Batch: WET/11524 Analysis Method: EPA 9040
QC Batch Method: EPA 9040 Analysis Description: 9040 pH
Associated Lab Samples: 9263745004, 9263745005, 9263745006, 9263745007, 9263745008, 9263745009, 9263745010, 9263745011,
9263745012
SAMPLE DUPLICATE: 406659
9263715001 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
pH Std. Units 8.7 8.7 0 20 H6
SAMPLE DUPLICATE: 406660
Parameter
pH
Date: 03/02/2010 06:42 PM
9263745005 Dup Max
Units Result Result RPD RPD Qualifiers
Std. Units 4.9 4.9 0 20 H6
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent ooff PPaacceee Analytical Services, Inc..
Page 23 of 27

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
�JceMa11/ ical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
G!{r�i Q yabs. Asheville, NC 28804 Huntersville, NC 28078
wraw.pacela6s.com
[phone] [phone]
QUALITY CONTROL DATA
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
QC Bat&i: WET/11528
Analysis Method:
EPA 9040
QC Batch Method: EPA 9040
Analysis Description:
9040 pH
Associated Lab Samples: 9263745013, 9263745014, 9263745015, 9263745016, 9263745018, 9263745019, 9263745020, 9263745021,
9263745022
SAMPLE DUPLICATE: 406770
9263745013 Dup
Max
Parameter Units
Result Result
RPD
RPD Qualifiers
pH Std. Units
5.5
5.5 0
20 H6
SAMPLE DUPLICATE: 406771
9263884001 Dup
Max
Parameter Units
Result Result
RPD
RPD Qualifiers
pH Std. Units
8.1
8.1 0
20 H6
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
< o`�V16611, i
Page 24 of 27

7 Q /�,� /+� ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
acema�ybcal 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
QUALITY CONTROL DATA
[phone] [phone]
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
QC Batch: WETA/6842 Analysis Method: ASTM D516-90
QC Batch Method: ASTM D516-90 Analysis Description: ASTM D516-90 Sulfate Water
Associated Lab Samples: 9263745004, 9263745005, 9263745006, 9263745007, 9263745008, 9263745009, 9263745010, 9263745011,
9263745012, 9263745013, 9263745014, 9263745015, 9263745016, 9263745018,.9263745019, 9263745020
METHOD BLANK: 408766 Matrix: Water
_ Associated Lab Samples: 9263745004, 9263745005, 9263745006, 9263745007, 9263745008, 9263745009, 9263745010, 9263745011,
9263745012, 9263745013, 9263745014, 9263745015, 9263745016, 9263745018, 9263745019, 9263745020
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Sulfate mg/L ND 5.0 03/01/1014:45
LABORATORY CONTROL SAMPLE: 408767
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 20 20.0 100 90-110
MATRIX SPIKE SAMPLE: 408768
9263743001 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 749 20 768 95 75-125
MATRIX SPIKE SAMPLE: 408770
9263745010 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 104 20 123 98 75-125
SAMPLE DUPLICATE: 408769
9263743002
Dup
Max
Parameter Units
Result
Result
RPD RPD Qualifiers
--' Sulfate mg/L
32.1
31.8
1 20
SAMPLE DUPLICATE: 408771
9263745011
Dup
Max
Parameter Units
Result
Result
RPD RPD Qualifiers
Sulfate mg/L
ND
ND
20
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 25 of 27
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
11JGi4L.l'

acmnaljftal
wmvpacelabs.com
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
QC Batch: WETA/6843 Analysis Method: ASTM D516-90
QC Batch Method: ASTM D516-90 Analysis Description: ASTM D516-90 Sulfate Water
Associated Lab Samples: 9263745021, 9263745022
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
METHOD BLANK: 408772
Matrix: Water
Associated Lab Samples:
9263745021, 9263745022
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Sulfate
mg/L
ND 5.0
03/01/1015:01
LABORATORY CONTROL SAMPLE: 408773
Spike LCS
LCS % Rec
Parameter
Units
Conc. Result
% Rec Limits Qualifiers
Sulfate
mg/L
20 18.7
94 90-110
MATRIX SPIKE SAMPLE:
408774
9263745021
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
Sulfate
mg/L
132
20
148
82
75-125
MATRIX SPIKE SAMPLE:
408775
9263745022
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
Sulfate
mg/L
291
20
288
-16
75-125 MO
MATRIX SPIKE SAMPLE:
408776
9263875018
Spike
MS MS
% Rec
Parameter
Units
Result
Conc.
Result % Rec
Limits Qualifiers
Sulfate
mg/L
ND
20
26.9 116
75-125
SAMPLE DUPLICATE: 408777
9263875019
Dup
Max
Parameter
Units
Result
Result
RPD RPD
Qualifiers
Sulfate
mg/L
6.7
6.5
4 20
Date: 03/02/2010 06:42 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace'Analytical Services, Inc..
u.
elan;=
Page 26 of 27

aceAnalytical
wwa pacelabs.com
QUALIFIERS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263745
DEFINITIONS
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to changes in sample preparation, dilution of
the sample aliquot, or moisture content.
ND - Not Detected at or above adjusted reporting limit.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
S - Surrogate
1,2-Diphenylhydrazine (8270 listed analyte) decomposes toAzobenzene.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
Pace Analytical is NELAP accredited. Contact your Pace PM for the current list of accredited analytes.
U - Indicates the compound was analyzed for, but not detected.
ANALYTE QUALIFIERS
H1 Analysis conducted outside the EPA method holding time.
H3 Sample was received outside EPA method holding time.
H6 Analysis initiated more than 15 minutes after sample collection.
MO Matrix spike recovery and/or matrix spike duplicate recovery was outside laboratory control limits.
Date: 03/02/2010 06:42 PM REPORT OF LABORATORY ANALYSIS Page 27 of 27
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Ace,
i�,(('
VRiyJx

Jw
PaceAnalytical
www.saealabsxtim
CHAIN -OF -CUSTODY / Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
Section A Section B Section C
Page: of
Required Client Information: Required Project Information: Invoice Information:
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-2PaceAnal ical
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CHAIN -OF -CUSTODY / Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
Section A Section B Section C Page: of
Required Client Information: Required Project Information: Invoice Information:
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-•a^•••e ••.•....... Y­ aye awep9 caw a ne. du day payment corms and agreeing to late charges of 1.5% per month for any Invoices not paid vAthin 30 days. - F-ALL-Q-020rev.07, 15-May-2007

Pace Analytical Services, Inc.
CI LOU 2225 Riverside Dr.
www.paWab&com Asheville, NC 28804
[phone]
March 03, 2010
John Reuscher
Delta Environmental Consultant
8008 Corp. Center Drive
Suite 100
Charlotte, NC 28226
RE: Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Dear John Reuscher:
Enclosed are the analytical results for sample(s) received by the laboratory on February 22, 2010.
The results relate only to the samples included in this report. Results reported herein conform to the
most current NELAC standards, where applicable, unless otherwise narrated in the body of the
report.
Inorganic Wet Chemistry and Metals analyses were performed at our Pace Asheville laboratory and
Organic testing was performed at our Pace Huntersville laboratory unless otherwise footnoted. All
Microbiological analyses were performed at the laboratory where the samples were received.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Kevin Godwin
[e-mail]
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, Inc..
Page 1 of 16

aceAnalytical
wwwpacelab&com
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
CERTIFICATIONS
Asheville Certification IDs
Florida/NELAP Certification #: E87648
Pennsylvania Certification #: 68-03578
Louisiana/LELAP Certification #: 03095
North Carolina Wastewater Certification #: 40
2225 Riverside Dr. Asheville, NC 28804
North Carolina Drinking Water Certification #: 37712
West Virginia Certification #: 356
North Carolina Bioassay Certification #: 9
Virginia Certification #: 00072
New Jersey Certification #: NCO11
Tennessee Certification #: 2980
Massachusetts Certification #: M-NC030
South Carolina Certification #: 99030001
Connecticut Certification #: PH-0106
South Carolina Bioassay Certification #: 99030002
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 16

Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
®
al+A�all/f�I+?'
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
VG y� frC!
www.pacelabacom
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
SAMPLE
SUMMARY
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.:. 9263743
Lab ID Sample ID
Matrix
Date Collected
Date Received
9263743001 MW-1
Water
02/20/10 12:15
02/22/10 08:00
9263743002 MW-2
Water
02/20/10 10:50
02/22/10 08:00
9263743003 MW-3
Water
02/20/10 08:40
02/22/10 08:00
9263743004 STREAM
Water
02/20/10 14:25
02/22/10 08:00
REPORT OF LABORATORY ANALYSIS Page 3 of 16
This report shall not be reproduced, except in full,
without the written consent
of Pace Analytical Services, Inc..

/fin / J® Pace Analytical Services, Inc.
acel7L►af t / cal 2225 Riverside Dr.
V �Tmcpaccel4abs.com Asheville, NC 28804
[phone]
SAMPLE ANALYTE COUNT
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project:
ALCHEM, INC- ROCKWELL, NC
Pace Project No.:
9263743
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
9263743001
MW-1
EPA 6010
EWS
1
EPA 6010
EWS.
1
EPA 120.1
SDH
1
SM 2540C
LEP
1
SM 2540D
LEP
1
EPA 9040
LEP
1
ASTM D516-90
SHB
1
0263743002
MW-2
EPA6010
EWS
1
EPA 6010
EWS
1
EPA 120.1
SDH
1
SM 2540C
LEP
1
SM 2540D
LEP
1
EPA 9040
LEP
1
ASTM D516-90
SHB
1
9263743003
MW-3
EPA 6010
EWS
1
EPA6010
EWS
1
EPA 120.1
SDH
1
SM 2540C
LEP
1
SM 2540D
LEP
1
EPA 9040
EEP
1
ASTM D516-90
SHB
1
9263743004
STREAM
EPA 6010
EWS
1
EPA 6010
EWS
1
EPA 120.1
SDH
1
SM 2540C
LEP
1
SM 2540D
LEP
1
EPA 9040
LEP
1
ASTM D516-90
SHB
1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Nod
Page 4 of 16

i
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aeeAnal' rt1Val 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
J'
wanvpace/ab&�m Asheville, NC 28804 Huntersville, NC 28078
s.
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC-.ROCKWELL, NC
Pace Project No.:. 9263743
Sample: MW-1
Lab ID: ' 9263743001 Collected: 02/20/10 12:15
Received: 02/22/10 08:00 Matrix: Water '
Parameters
Results Units Report Limit DF
Prepared Analyzed CAS No. Qual
6010 MET-ICP
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum
8050 ug/L 1000 10
02/24/10 13:25 02/26/10 13:37 7429-90-5 D3
6010 MET ICP, Dissolved
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum, Dissolved
6580 ug/L 1000 10
03/01/10 13:32 03/02/10 16:20 7429-90-5 D3
120.1 Specific Conductance
Analytical Method: EPA 120.1
Specific Conductance
1370 umhos/cm 10.0 1
03/01/10 14:48
2540C Total Dissolved Solids
Analytical Method: SM 2540C
Total Dissolved Solids
1190 mg/L 20.0 1
02/26/10 13:34
2540D Total Suspended Solids
Analytical Method: SM 2540D
Total Suspended Solids
24.1 mg/L 2.5 1
02/25/10 10:13
j 9040 pH
Analytical Method: EPA 9040
pH
4.6 Std. Units '0.10 1
02/24/10 15:44 H3,H6
_ ASTM D516-90 Sulfate Water
I
Analytical Method: ASTM D516-90
Sulfate
749 mg/L 150 30
03/01/10 15:54 14808-79-8
Date: 03/03/2010 05:21 PM REPORT OF LABORATORY ANALYSIS Page 5 of 16
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
s
oqe'

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
GeV
9/+�malyt ical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
wVuwpscela6scom Asheville, NC 28804 Huntersville, NC 28078
(828)2547176 [phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
Sample: MW-2
Lab ID: 9263143002 Collected: '02/20/10 10:50 Received:
02/22/10 08:00 Matrix: Water
Parameters
Results Units Report -Limit
DF Prepared
Analyzed CAS No. Qual
6010 MET ICP
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum
677 ug/L 100
1 02/24/10 13:25 02/25/10 16:22 7429-90-5
6010 MET ICP, Dissolved
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum; Dissolved
272 ug/L 100.
1 03/01/10 13:32 03/01/10 21:06 7429-90-5
120.1 Specific Conductance
Analytical Method: EPA 120.1
Specific Conductance
148 umhos/cm 10.0
1
03/01/10 14:49
2540C Total Dissolved Solids
Analytical Method: SM 2540C
Total Dissolved Solids
116 mg/L 20.0
1
02/26/10 13:34
2540D Total Suspended Solids
Analytical Method: SM 2540D
Total Suspended Solids
19.2 mg/L 4.2 .
1
02/25/10 10:13
9040 pH
Analytical Method: EPA 9040
pH
5.0 Std. Units 0.10
1
02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water
Analytical Method: ASTM D516-90
Sulfate
32.1 mg/L 5.0
1
03/01/1014:48 14808-79-8
Date: 03/03/2010 05:21 PM REPORT OF LABORATORY ANALYSIS Page 6 of 16
This report shall not be reproduced, except in full,
without the written.cons``ent off� Pace Analytical Services, Inc..
nt�
a

® Pace Analytical Services, Inc.
af✓!elil all / cal 2225 Riverside Dr.
www.pacelabs.com Asheville, NC 28804
' [phone]
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: ALCHEM, INC-
ROCKWELL, NC
Pace Project No.: 9263743
Sample: MW-3
Lab ID: 2263743003 Collected: 02/20/10 08:40 Received: 02/22/10'08:00 Matrix: Water
Parameters
Results _ Units Report Limit DF Prepared
Analyzed
CAS No. Qual
6010 MET ICP
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum
272000 ug/L 500 5 02/24/10 13:25
02/26/10 12:26
7429-90-5 D3
6010 MET ICP, Dissolved
Analytical Method: EPA 6010 Preparation Method: EPA 3010
Aluminum, Dissolved
258000 ug/L 500 5 03/01/10 13:32
03/02/10 14:40
7429-90-5 D3
120.1 Specific Conductance
Analytical Method: EPA 120.1
Specific Conductance
2920 umhos/cm 10.0 1
03/01/10 14:49
2540C Total Dissolved Solids
Analytical Method: SM 2540C
Total Dissolved Solids
3490 mg/L 20.0 1
02/26/10 13:34
2540D Total Suspended Solids
Analytical Method: SM 2540D
Total Suspended Solids
93.2 mg/L 4.2 1
02/25/10 10:13
9040 pH
Analytical Method: EPA 9040
pH
3.5 Std. Units 0.10 1
02/24/10 15:44
H3,H6
ASTM D516-90 Sulfate Water
Analytical Method: ASTM D516-90
Sulfate
1970 mg/L 150 30
03/01/10 15:57
14808-79-8
Date: 03/03/2010 05:21 PM REPORT OF LABORATORY ANALYSIS Page 7 of 16
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services; Inc..
N ♦cco'.

i
aceAnalyir'cal
www.pamwbscom
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Sample: STREAM
Lab ID: 9263743004 Collected:
02/20/10 14:25 Received: 02/22/10 08:00 Matrix: Water
Parameters
Results Units Report Limit
DF Prepared
Analyzed CAS No. Qual
6010 MET ICP
Analytical Method: EPA 6010 Preparation Method:
EPA 3010
Aluminum
937 ug/L
100
1 02/24/10 13:25
02/25/10 16:30 7429-90-5
6010 MET ICP, Dissolved
Analytical Method: EPA 6010 Preparation Method:
EPA 3010
Aluminum, Dissolved
5660 ug/L
100
1 03/01/10 13:32
03/01/10 21:20 7429-90-5
120.1 Specific Conductance
Analytical Method: EPA 120.1
Specific Conductance
126 umhos/cm
10.0
1
03/01/10 14:49
2540C Total Dissolved Solids
Analytical Method: SM 2540C
Total Dissolved Solids
346 mg/L
20.0
1
02/26/10 13:35
2540D Total Suspended Solids
Analytical Method: SM 2540D
Total Suspended Solids
24.2 mg/L
4.8
1
02/25/10 10:14
9040 pH
Analytical Method: EPA 9040
pH
6.3 Std. Units
0.10
1
02/24/10 15:44 H3,H6
ASTM D516-90 Sulfate Water
Analytical Method: ASTM D516-90
Sulfate
175 mg/L
50.0
10
03/01/10 16:06 14808-79-8
Date: 03/03/2010 05:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 8 of 16

aceAnalytical
—..pa-1abs.cqm
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
2225 Riverside Dr. 9800 Kincey Ave. Suite 100
Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
QUALITY CONTROL DATA
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
QC Batch: MPRP/5865 -
Analysis Method:
EPA 6010,
QC Batch Method: EPA 3010
Analysis Description:
6010 MET
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
METHOD BLANK: 406055
Matrix: Water
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
Blank Reporting
Parameter Units
Result Limit
Analyzed _
Qualifiers
Aluminum ug/L
ND 100 02/25/1015:06
LABORATORY CONTROL SAMPLE: 406056
Spike LCS
LCS
% Rec
Parameter Units
Conc. Result
%Rec
Limits Qualifiers
Aluminum ug/L
5000 4630
93
80-120.
MATRIX SPIKE SAMPLE: 406057
9263596015 Spike
MS
MS
% Rec
Parameter Units
Result Conc.
Result
% Rec
Limits Qualifiers
Aluminum ug/L
803 5000
5480
94
75-125
SAMPLE DUPLICATE: ' 406058
9263596016 Dup
Max
Parameter Units
Result Result
RPD
RPD
Qualifiers
Aluminum ug/L
103 102 1
20
Date: 03/03/2010 05:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, 'except in full,
without the written consent of Pace Analytical Services, Inc..
Page 9 of 16

® Pace Analytical Services, Inc.
acmnalytical 2225 Riverside Dr.
www.pacelab&com Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
QC Batch: MPRP/5875 Analysis Method: EPA 6010
QC Batch Method: EPA 3010 Analysis Description: 6010 MET Filtered
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
METHOD BLANK: 406899 Matrix: Water
Associated Lab Samples: 9263743001, 9263743002, 9263743003,,9263743004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Aluminum, Dissolved ug/L ND 100 03/01/10 20:51
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
LABORATORY CONTROL SAMPLE: 406900
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Aluminum, Dissolved ug/L 5000 4400 88 80-120
MATRIX SPIKE SAMPLE: 406901
9263743001 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Aluminum, Dissolved ug/L 6580 5000 10300 75 75-125 D3
SAMPLE DUPLICATE: 406902
9263743002 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
Aluminum, Dissolved ug/L 272 259 5 20
Date: 03/03/2010 05:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
LLLek ,
Page 10 of 16

aceAnalytical
www.pace)bbs.com
Project: ALCHEM,-INC- ROCKWELL, NC
Pace Project No.: 9263743
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QC Batch: WET/11574
Analysis Method:
EPA 120.1
QC Batch Method: EPA 120.1
Analysis Description:.
120.1 Specific Conductance
Associated Lab Samples: 9263743001, 9263743002,
9263743003, 9263743004
METHOD BLANK: 408828
Matrix: Water
Associated Lab Samples: 9263743001, 9263743002,
9263743003, 9263743Ob4
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Specific Conductance
umhos/cm
ND
10.0 03/01/10 14:40
LABORATORY CONTROL SAMPLE:
40882.9
Spike LCS
LCS % Rec
Parameter
Units
Conc. Result
% Rec . Limits Qualifiers
Specific Conductance
umhos/cm
1410 1420.
101' 90-110
SAMPLE DUPLICATE: 408830
9263096004 Dup
Max
Parameter
Units
Result Result
RPD RPD Qualifiers
Specific Conductance
umhos/cm
154
152 1 20
Date: 03/03/2010 05:21 PM REPORT OF LABORATORY ANALYSIS Page 11 of 16
This report shall not be reproduced, except in full,
without the written consentofPaceAnalytical Services, Inc...

Pace Analytical Services, Inc. Pace Analytical Services, Inc.
acemalxical -
2225 Riverside Dr. 9800 Kincey Ave. Suite 100
--pace/ati-om
Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
QUALITY CONTROL DATA
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
QC Batch: WET/11556
Analysis Method: SM 2540C
QC Batch Method-. SM 2540C
Analysis Description: 2540C Total Dissolved Solids
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
METHOD BLANK: .407961
Matrix: Water
Associated Lab Samples: 9263743001, 9263743002,
9263743003, 9263743004
Blank Reporting
Parameter Units
Result Limit Analyzed Qualifiers
Total Dissolved Solids mg/L
ND 20.0 02/26/10 13:33
LABORATORY CONTROL SAMPLE: 407962
Spike LCS LCS % Rec
Parameter Units
Conc. Result % Rec Limits Qualifiers
Total Dissolved Solids mg/L
250 242 97 80-120
SAMPLE DUPLICATE: 407963
9263743001 Dup Max
Parameter Units
Result Result RPD RPD Qualifiers
Total Dissolved Solids mg%L
1190 1190 0 20
Date: 03/03/2010 05:21 PM. REPORT OF LABORATORY ANALYSIS Page 12 of 16
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
0 1N �CCOgo'

r� J ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCOAllalt/NCa' 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www,pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
QUALITY CONTROL DATA
[phone] [phone]
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
QC Batch: WET/11521 Analysis Method: SM 2540D
QC Batch Method: SM 2540D Analysis Description: 2540D Total Suspended Solids
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
METHOD BLANK: 406644 Matrix: Water
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 02/25/10 09:45
LABORATORY CONTROL SAMPLE: 406645
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Total Suspended Solids mg/L 250 244 98 80-120
SAMPLE DUPLICATE: 406646
Parameter
Total Suspended Solids
Date: 03/03/2010 05:21 PM
9263688002 Dup
Units Result Result
mg/L 81.2 84.7
Max
RPD RPD Qualifiers
4 20
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
M ACCOgoq
Page 13 of 16

eMQ,, ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
alyti al 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
ac
[phone] [phone]
QUALITY CONTROL DATA
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
QC Batch: WET/11524 Analysis Method: EPA 9040
QC Batch Method: EPA 9040 Analysis Description: 9040 pH
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
SAMPLE DUPLICATE: 406659
9263715001 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
pH Std. Units 8.7 8.7 0 20 H6
SAMPLE DUPLICATE: 406660
9263745005 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
pH Std. Units 4.9 4.9 0 20 H6
Date: 03/03/2010 05:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 14 of 16

/�.�a�l /f!}Ca1 ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCe/"Ul2225 Riverside Dr. 9800 KinceyAve. Suite 100
wwwpacelabscom Asheville, NC 28804 Huntersville, NC 28078
QUALITY CONTROL DATA
[phone] [phone]
Project: ALCHEM, INC- ROCKWELL, NC ,
Pace Project No.: 9263743
QC Batch:, WETA/6842 Analysis Method: ASTM D516-90
QC Batch Method: ASTM D516-90 Analysis Description: ASTM D516-90 Sulfate Water
Associated Lab Samples: 9263743001, 9263743002, 926.3743003, 9263743004
METHOD BLANK: 408766 Matrix: Water
Associated Lab Samples: 9263743001, 9263743002, 9263743003, 9263743004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Sulfate mg/L ND 5.0 03/01/1014:45
LABORATORY CONTROL SAMPLE: 408767
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 20 20.0 100 90-110
MATRIX SPIKE SAMPLE: 408768
9263743001 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 749 20 768 95 75-125
MATRIX SPIKE SAMPLE: -408770
9263745010 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Sulfate mg/L 104 20 123 98 75-125
SAMPLE DUPLICATE: 408769
9263743002
Dup
Max
Parameter Units
Result
Result RPD
RPD Qualifiers
Sulfate mg/L
32.1
31.8 1
20
SAMPLE DUPLICATE: 408771
9263745011
Dup
Max
Parameter Units
Result
Result RPD
RPD Qualifiers
Sulfate mg/L
ND
ND
20
Date: 03/03/2010 05:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
a Acconc�
Page 15 of 16

aceAnalXical
www.pacelabs.com
QUALIFIERS
Project: ALCHEM, INC- ROCKWELL, NC
Pace Project No.: 9263743
DEFINITIONS
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to changes in sample preparation, dilution of
the sample aliquot, or moisture content.
ND - Not Detected at or above adjusted reporting limit.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
S - Surrogate
1,2-Diphenylhydrazine (8270 listed analyte) decomposes to Azobenzene.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
Pace Analytical is NELAP accredited. Contact your Pace PM for the current list of accredited analytes.
U - Indicates the compound was analyzed for, but not detected.
ANALYTE QUALIFIERS
D3 Sample was diluted due to the presence of high levels of non -target analytes or other matrix interference.
H3 Sample was received outside EPA method holding time.
H6 Analysis initiated more than 15 minutes after sample collection.
[phone]
Date: 03/03/2010 05:21 PM REPORT OF LABORATORY ANALYSIS Page 16 of 16
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
�heocfll

CHAIN -OF -CUSTODY / Analytical Request Document
ace jntl Beal ®
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
turvw.paeelabs.eam
Section A
Required Client Information:
Section B Section C Page:
Required Project Information:
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Report T
Invoice Information:
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Copy To:
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Address:
Email To:
Purchase Order No.:
r NPDES (- GROUND WATER j- DRINKING WATER
P. (CG�i
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P e t ty e:
Pace Quote .
Reference: I� UST r RCRA
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Requests Due Date/TAT:
L— ekt�e!( /VG
Pace Project
Manager.
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STATE:
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Matrix Codes
RequiredClienl Information
MATRIX / CODE
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APPENDIX F
HISTORICAL GROUNDWATER ANALYTICAL TABLE

APPENDIX
HISTORICAL GROUNDWATER ANALYTICAL TABLE
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5E0805096P
SITE
DATE
pH
(SU)
CHLORIDE
(mg/L)
SPECIFIC
CONDUCTANCE
(umhos/cm)
TSS
(mg/L)
TDS
(mg/L)
ALUMINUM
(mg/L)
DISSOLVED
ALUMINUM
(mg/L)
TOTAL
IRON
(mg/1)
LEAD
(mg/1)
TOTAL
MANGANESE
(mg/L)
DISSOLVED
MANGANESE
(mg/L)
NICKEL
(mg/L)
SULFATE
(mg/L)
ZINC
(mg/L)
NCAC-21-
6.5-8.5
250
NSE
NSE
NSE
NSE
NSE
300
0.015
0.05
0.05
0.1
250
1.05
MW-1
9/22/08
5.5
<5.0
--
--
--
--
--
0.351
0.272
--
292
--
MW-1
6/20/09
5.0
<5.0
--
8.05
--
<0.50
<0.050
0.944
--
0.0711
380
0.286
MW-1
11/21/09
4.9
--
--
--
--
--
--
--
--
--
--
950
--
MW-1
2/20/10
4.6
--
1,370
24.1
1,190
8.05
6.58
-
--
-
749
MW-2
9/22/08
5.0
12.8
--
--
--
--
--
--
--
2.35
0.24
--
10.1
-
MW-2
6/20/09
5.0
13.9
-
--
--
0.492
--
0.164
<0.005
0.99
--
0.0137
38.0
0.0605
MW-2
11/21/09
4.8
--
--
--
--
--
--
--
--
--
-
--
29.7
--
MW-2
2/20/10
5.0
--
148
19.2
116
0.677
0.272
--
--
--
--
32.1
MW-3
9/22/08
3.8
315
--
--
--
--
--
-
31
26.3
--
1,570
MW-3
6/20/09
3.7
70.6
--
--
--
64.5
--
1.24
<0.005
7.52
--
0.0381
418
0.112
MW-3
11/21/09
3.5
--
--
--
--
--
--
--
--
--
-
--
1,550
--
MW-3
2/20/10
3.5
--
2,920
93.2
3,490
272
258
-
--
-
--
--
1,970
MW-4
9/22/08
3.6
1,040
--
--
--
--
--
--
--
85.5
79
--
13,500
-
MW-4
6/20/09
3.7
610
-
1,160
--
2.36
<0.10
77.4
--
<0.10
5,350
<0.20
MW-4
11/21/09
3.4
--
-
-
--
--
--
--
--
-
--
9,030
MW-4
2/20/10
3.5
--
--
-
-
--
--
--
-
6,050
MW-5
9/22/08
5.2
<5.0
-
-
-
--
-
1.19
0.34
-
17.7
MW-5
6120109
5.4
<5.0
--
-
0.535
0.829
<0.005
0.0479
--
<0.005
21.4
0.0179
MW-5
11/21/09
5.3
--
-
--
-
--
--
--
--
--
--
<5.0
--
MW-5
2/20/10
4.9
-
-
-
-
-
-
-
--
--
<5.0
MW-6
9/22/08
4.1
15.1
--
-
--
--
6.85
5.19
-
652
--
MW-6
6/20/09
3.7
19.2
--
--
285
-
<1.0
<0.10
8.70
--
0.153
1,830
0.222
MW-6
11/21/09
3.8
--
--
--
--
--
--
--
796
--
MW-6
2/20/10
3.7
--
--
--
-
--
--
--
1,420
--
MW-6D
9/22/08
3.8
27.5
-
--
-
-
83
77.5
--
20,000
--
MW-6D
6/20/09
4.0
17.0
-
-
3,840
--
884
0.438
159
--
1.85
24,100
1,210
MW-6D
11/21/09
4.0
--
-
--
--
--
--
--
--
--
14,300
--
MW-6D
2/20/10
3.8
--
-
-
--
--
-
--
--
-
32,800
MW-7
9/22/08
5.3
10.2
-
-
--
--
0.805
0.131
--
<5.0
--
MW-7
6/20/09
5.1
15.2
-
-
--
0.792
--
0.575
<0.005
0.214
--
<0.005
6.7
0.0269
MW-7
11/21/09
4.9
--
--
--
--
--
--
--
--
--
--
14.8
--
MW-7
2/20/10
5.0
-
-
-
-
-
-
-
--
--
-
-
<5.0
MW-7D
2/20/10
5.7
--
--
-
--
-
--
--
-
--
1,190
MW-8
9/22/08
6.5
10.9
--
--
--
-
--
--
2.17
0.102
--
37.6
MW-8
6/20/09
6.3
5.2
--
8.53
--
9.58
<0.005
0.252
--
0.0068
189
0.025
MW-8
11/21/09
6.2
--
--
--
--
--
--
--
--
94
--
MW-8
2/20/10
6.4
--
--
-
--
-
--
--
--
-
--
104
--
MW-9
8/6/09
5.0
<5.0
-
-
4.81
-
11
<0.005
0.392
--
<0.0050
<5.0
0.031
MW-9
11/21/09
5.3
--
-
-
--
-
--
--
-
<5.0
--
MW-9
2/20/10
5.3
--
--
-
-
--
-
--
--
--
--
<5.0
--
MW-10
8/6/09
4.6
7.2
--
-
-
53.8
-
143
<0.005
2.09
--
0.027
<5.0
0.238
MW-10
11/21/09
4.9
--
--
-
-
--
-
--
--
<5.0
--
MW-10
2/21/10
5.4
-
--
-
--
-
-
-
-
--
<5.0
MW-11
2/21/10
5.5
-
-
--
-
--
-
7.6
-
MW-11D
2/21/10
6.1
-
-
-
-
-
-
<5.0
-
MW-12
2/21/10
6.4
-
-
-
-
-
-
100
MW-12D
2/21/10
6.3
-
-
-
-
511
WS-1
6/20/09
4.3
34.2
--
126
1 0.284
1 <0.025
9.74
1
0.174
1 3,330
1 2.02
WS-2
11/21/09
4.1
--
--
-
3,740
--
WS-2
2/21/10
4.0
-
--
-
-
3,970
WS-3
11/21/09
3.8
-
-
--
-
--
--
4,900
WS-3
2/21/2010
3.7
-
--
-
-
-
--
-
-
8,820
BEAVER
8/6/09
6.2
39.3
--
--
<0.10
--
<0.005
<0.005
0.0118
<0.005
195
0.0149
BEAVER
11/21/09
6.4
--
--
--
--
--
--
--
--
--
--
209
--
BEAVER
2/21/10
6.5
--
--
--
--
--
--
--
--
--
-
--
132
--
DANIELS
8/5/09
6.4
22.7
<0.10
--
<0.005
<0.005
<0.005
-
<0.005
98.2
0.0672
DANIELS
11/21/09
6.6
--
--
--
--
--
--
--
--
--
162
--
DANIELS
2/21/10
6.6
--
-
--
--
--
--
--
--
--
193
--
SAMPLES
816/09
6.4
40
-
<0.10
--
0.435
<0.005
0.018
<0.005
316
0.325
SAMPLES
11/21/09
6.9
--
-
--
--
--
--
--
--
--
--
416
--
SAMPLES
2/21/10
6.6
--
-
--
MORALES
815/09
6.5
<5.0
--
<0.10
1
<0.005
<0.005
<0.005
--
<0.005
<5.0
1 0.601
PERKINS
8/5/09
6.2
<5.0
<0.10
1
<0.005
<0.005
<0.005 1
<0.005
<5.0
0.0102
PUCKETT
8/6/09
6.3
13.3
-
-
<0.10
1
<0.005
<0.005
<0.005 1
<0.005
<5.0
0.0708
PUCKETT 340 WILCOY
8/5/09
6.2
8.8
<0.10
1
0.0543
<0.005
<0.005 1
<0.005
<5.0
0.027
mg/kg = Milligrams per Kilogram
NCAC-21- = North Carolina Administrative Code, Title 15A Section 2L Standard
SU = Standard Units
mg/L = Milligrams per Liter
umhos/cm = Micrometer ohms per centimeter
-- = Not analyzed
NSE = No standard established

SUSTAINABLE STRATEGIES FOR GLOBAL
LEADE
1 December 12, 2009
"'1 { r
�j a
North Carolina Department of Environment
�O"
and Natural Resources
Z
o
Division of Water Quality
Aquifer Protection Section
o 3
f 610 East Center Avenue, Suite 301
®
f"
Mooresville, North Carolina 28115
Attn: Peggy Finley
Subject: Quarterly Groundwater Monitoring Results
i November 2009
Alchem, Inc. Facility
r Rockwell, Rowan County, North Carolina
! Groundwater Incident No.: 200502451
Delta Project No.: 5E805096P
�- D E. LTA
_ Dear Ms. Finley:
{ On behalf of Alchem, Inc. (Alchem), Delta Consultants (Delta)
is pleased to present the results of the quarterly groundwater
monitoring event conducted on November 21, 2009 at the
referenced site. These activities were requested by the North
Carolina Department of Environment and Natural Resources
(NCDENR) in correspondence to Alchem dated October 14,
2009. Permission to access the Bautista/McIntyre property
(parcel Nos. 357D305 and 357D250) has not been obtained to
date. As a result, a sample from the water -supply well
apparently servicing these adjacent properties was not
collected.
GROUNDWATER SAMPLING
Static groundwater level measurements were collected from
the site -related monitoring wells using a decontaminated
electronic water level indicator. The static water levels were
subtracted from the previously surveyed top of casing mean
sea level elevations to determine the static water level
elevations. The water levels and calculated water level
{ elevations are presented in Table 1. Based on these data, a
- shallow groundwater contour map was constructed and is
presented as Figure 1. The shallow groundwater flow
j direction across the site generally radiates from the area near
monitoring wells MWA and MW-9, which is the apparent
hydraulic high at the site. This flow direction is consistent with
I previous determinations made at the site.
a member of,,
Xinogen Envi—tal
8008 CORPORATE CENTER DRIVE SUITE 100 CHARLOTTE, NORTH CAROLINA 28226 USA
PHONE [phone] FAx [phone] WWW.DELTAENV.COM

Quarterly Groundwater Monitoring Results December 12, 2009
November 2009
Alchem, Inc. Facility
Rockwell, North Carolina
Page 2
The groundwater monitoring wells (11 total) were purged of three well volumes or until the
well was dry using new disposable bailers or a decontaminated submersible pump. The
i water -supply wells (five total) were allowed to run for approximately 15 minutes prior to
collecting a groundwater sample in order to remove stagnant water from the pump and
associated lines. On -site water -supply well WSW-1 was inoperable at the time of the
monitoring event; therefore, a groundwater sample was not collected. Groundwater field
parameters were collected from each monitoring well volume purged and from each
monitoring well and water -supply well at the time of sample collection for pH, conductivity,
dissolved oxygen, temperature, turbidity, and oxidation reduction potential. The final field
l parameters measured from the groundwater samples collected at the site are presented in
Table 2. Groundwater quality samples were subsequently collected from the monitoring
wells (via the same bailer or pump tubing used to purge the well) and water -supply wells
(via wellhead spigots), decanted into laboratory -supplied containers, placed on ice in a
cooler, and transported to Pace Analytical Services, Inc. (Pace) under chain of custody for
analysis of pH according to EPA Method 9040 and sulfate according to Method ASTM
D516-90.
The laboratory analytical results are summarized in Table 3 and the Pace report is
contained in Attachment A. As summarized, pH was below the North Carolina
Groundwater Quality Standard (NCGQS) range of 6.5 to 8.5 Standard Units (SU) in the
groundwater samples collected from the site -related monitoring wells and on -site water -
supply wells (WSW-2 and WSW-3). pH was within the NCGQS range in the water
samples collected from the Daniels and Samples water -supply wells. The pH of the water
sample collected from the Beaver supply well was 6.4 SU. The shallow groundwater pH
isoconcentration map is presented as Figure 2. Concentrations of sulfate detected in the
groundwater samples collected from monitoring wells MWA , MW-3, MW-4, MW-6, and
MW-6D exceeded its established NCGQS of 250 milligrams per liter (mg/L). Sulfate
concentrations also exceeded the NCGQS in the water samples collected from the on -site
water -supply wells WSW-2 and WSW-3 and the Samples supply well. The lateral extent of
sulfate impact in shallow groundwater is presented as Figure 3. The laboratory analytical
results are consistent with previous data collected for the site. Historical laboratory
analytical results (since September 2008) are summarized in Table 4.
UPDATED WATER -SUPPLY WELL SURVEY
As part of the November monitoring event, a reconnaissance of the Mary Beaver (parcel
No. 357D292) and Alson Fortson (parcel No. 357D304) properties was conducted to
determine the presence of potential water -supply wells. It was verified that the two
properties are undeveloped and water -supply wells were not identified as being present.
Table 1 and Figure 3 as presenteee� in the August 28, 2009 Comprehensive Site
i Assessment Addendum A report have been updated and are presented as Table 5 and
Figure 4, respectively.
I;

Quarterly Groundwater Monitoring Results December 12, 2009
November 2009
Alchem, Inc. Facility
Rockwell, North Carolina
Page 3
OTHER ACTION ITEMS
Discussions with Mr. Randall Andrews, President of Alchem regarding the location of the
line supplying municipal water to the facility and two off -site properties (Bautista and
McIntyre) indicated that Figure 5B presented in the Comprehensive Site Assessment
Addendum A is correct to his knowledge. Delta requests that the NCDENR provide
-- Alchem with information regarding their understanding of the water line location if this is
not consistent with previous findings.
Delta is in the process of securing monitoring well installation permits and right of entry
agreements from the NCDENR, North Carolina Department of Transportation, Industrial &
Agricultural Chemicals, Inc., and other potential off -site property owners to complete the
horizontal and vertical delineation of pH and sulfate impact in the vicinity of the Alchem
site. Delta will notify the NCDENR if additional off -site property access cannot be obtained
in order to meet the January 15, 2009 deadline for submittal of the second addendum to
the Comprehensive Site Assessment.
If you have any questions or comments regarding the information presented in this report,
please do not hesitate to contact me at [phone] or at jreuscher(a�deltaenv.com.
Sincerely,
DELTA CONSULTANTS
ohn D. Reuscher, P.G.
- Project Manager
PC: Randall F. Andrews — Alchem, Inc.; Red Springs, NC
Jason A. Desiato — Alchem, Inc.; Rockwell, NC

TABLES

TABLE 1
GROUNDWATER ELEVATION DATA - NOVEMBER 21, 2009
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5EO805096P
WELL I.D.
TOCE
GROUND
ELEVATION
SI
DEPTH TO
WATER
SWLE
TOS
TD
(ft msl)
(ft msl)
(ft bgs)
(ft bgs)
(ft btc)
(ft msl)
MW-1
805.58
803.34
Unknown
48
24.55
781.03
MW-2
793.74
791.22
25
35
21.37
772.37
MW-3
808.56
806.61
25
35
35.41
773.15
MW-4
807.57
806.18
26
36
31.63
775.94
MW-5
808.69
806.72
28
38
28.69
780.00
MW-6
810.30
808.40
25
35
31.84
778.46
MW-6D
811.29
808.93
NA
200
35.31
775.98
MW-7
797.76
796.02
25
35
25.66
772.10
MW-8
777.15
775.01
10
20
8.28
768.87
MW-9
805.62
805.87
30
40
22.72
782.90
MW-10
797.96
798.68
30
40
22.82
775.14
mg/kg = Milligrams per Kilogram
TOCE = Top of Casing Elevation
ft msl = Feet above Mean Sea Level
ft bgs = Feet Below Ground Surface
ft btc = Feet Below Top of Casing
SI = Screened Interval
TD = Total Depth of Well
SWLE = Static Water Level Elevation
NA = Not Applicable

TABLE 2
GROUNDWATER FIELD PARAMETERS - NOVEMBER 21, 2009
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5EO805096P
WELL I.D.
pH
(SU)
TEMPERATURE
(CO)
DO
(mg/L)
SPECIFIC
CONDUCTANCE
mS/cm
TURBIDITY
(ntu)
ORP
(mg/L)
MW-1
4.72
16.61
6.37
1.06
--
381
MW-2
4.75
16.23
3.03
0.081
92.1
387
MW-3
3.53
14.21
4.69
2.10
-5.0
439
MW-4
3.32
17.29
5.23
0.119
482
467
MW-5
4.76
17.82
6.64
0.100
--
327
MW-6
3.69
18.96
5.71
1.22
202
316
MW-6D
4.01
18.54
2.97
0.135
--
-341
MW-7
4.73
16.50
1.82
0.128
27.6
401
MW-8
6.27
17.38
4.82
0.286
87.1
332
MW-9
5.05
17.71
8.59
0.018
286
317
MW-10
4.94
17.37
8.91
0.020
--
336
WSW-2
4.14
16.24
9.08
2.86
21.9
426
WSW-3
5.43
18.92
3.79
0.396
122
291
BEAVER
6.13
15.58
4.29
0.493
15.9
229
DANIELS
6.05
14.58
3.77
0.464
44.2
222
SAMPLES
6.41
15.42
6.62
0.718
10.2
181
NOTES:
mg/L = Milligrams per Liter
CO = Degree Celsius
mS/cm = MilliSiemens per centimeter
ntu = _ Nephelometric Turbidity Unit
SU = Standard Units
TDS = Total Dissolved Solids
-- = Not collected

TABLE 3
GROUNDWATER ANALYTICAL DATA - NOVEMBER 21, 2009
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5E0805096P
WELL I.D.
pH
(SU)
SULFATE
(mg/L)
NCAC-21-
6.5-8.5
250
MW-1
4.9
950
MW-2
4.8
29.7
MW-3
3.5
1,550
MW-4
3.4
9,030
MW-5
5.3
ND
MW-6
3.8
796
MW-6D
4.0
14,300
MW-7
4.9
14.8
MW-8
6.2
94.1
MW-9
5.3
ND
MW-10
4.9
ND
WSW-2
4.1
3,740
WSW-3
3.8
4,900
BEAVER
6.4
209
DANIELS
6.6
162
SAMPLES
6.9
416
mg/kg = Milligrams per Kilogram
NCAC-2L=North Carolina Administrative Code, Title 15A Section 2L Standard
SU = Standard Units
mg/L = Milligrams per Liter
NSE = No Standard Established
ND = Not detected at or above the laboratory report limit of 5.0 mg/L
Bold = Exceeds NCAC-21- or outside the range

TABLE 4
HISTORICAL GROUNDWATER ANALYTICAL TABLE
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5E0805096P
SITE
NCAC-2L
DATE
pH
(SU)
6.5-8.5
CHLORIDE
(mg/L)
250
ALUMINUM
(mg/L)
NSE
TOTAL
IRON
(mg/1)
300
LEAD
(mg/1)
0.015
TOTAL
MANGANESE
(mg/L)
DISSOLVED
MANGANESE
(mg/L)
NICKEL
(mg/L)
SULFATE
(mg/L)
ZINC
�mg/L)
0.05
0.05
0.1
250
1.05
MW-1
9/22/08
5.5
<6.0
--
--
-
0.351
0.272
--
292
MW-1
6/20/09
5.0
<5.0
8.05
<0.50
<0.050
0.944
--
0.0711
380
0.286
MW-1
11/21/09
4.9
-
-
950
-
MW-2
9/22/08
5.0
12.8
--
-
--
2.35
0.24
10.1
-
MW-2
6/20/09
5.0
13.9
0.492
0.164
<0.005
0.99
--
0.0137
38.0
0.0605
MW-2
11/21/09
4.8
-
_
--
-�
-
29.7
MW-3
9/22/08
3.8
315
-
--
--
31
26.3
--
1,570
--
MW-3
6/20/09
3.7
70.6
64.5
1.24
<0.005
7.52
--
0.0381
418
0.112
MW-3
11/21/09
3.5
-
--
--
1,650
-
MW-4
- -- --MW"q -� ._
9/22/08
6/20L09_
3.6
--3-7 --
1,040
-
-
-
--
85.5
79
-
13,500

TABLE 5
POTENTIAL WATER -SUPPLY WELLS
UPDATED NOVEMBER 21, 2009
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5EO805096P
PAGE: 2 of 2
Map #
Well # / Parcel #
Owner
Address
Phone Number
Approximate
Distance from
Source (ft)
Supplied by
Municipal Water
32
357AO38
BENFIELD, ROBERT H & MADY H
8430 US 52
1,464
NO
33
357D257
BRADWAY, FRANK D & AUDRA C
8360 MEDIUM DR
704 279-6203
1,111
NO
34
357D228000001
GOODMAN, ELMER M JR & FRANCES M
0 MEDIUM DR
1,089
NO
35
35713303
BLANTON, JOSEPH L & SHANNON M
8465 MEDIUM DR
859
NO
36
357D229
BOULDIN, JAMES F JR
8455 MEDIUM DR
821
NO
37
35713231
SHULENBERGER, ROBERT B & SHIRLEY M
0 MEDIUM DR
949
NO
38
357D256
SMITH, TERRY WAYNE & LORENE
8555 MEDIUM DR
1,052
NO
39
357D230
STURGILL, OSCAR LYNN
220 MEDIUM DR
704 279-1681
863
NO
40
357AO04901
DANIELS, TINA GRADEAN
250 WILCOY RD
704 279-7463
1,014
NO
41
357AO50
DANIELS, TINA GRADEAN
250 WILCOY RD
704 279-7463
1,014
NO
42
357AO51
PUCKETT, JEAN C & CAROLYN B
0 WILCOY RD
704 279-4979
1,012
NO
43
357A127
CARLISLE, ELIZABETH TYSON
350 WILCOY RD
704) 279-3423
1,052
NO
44
357AO52
CARTER, JEFFERY WAYNE & STACI HOOVER
360 WILCOY RD
1,087
NO
45
357AO53
MORALES, JEANETTE
380 WILCOY RD
[phone]
1,128
NO
46
357D301
BEAVER, GERALD DEAN & APRIL MICHELLE
285 LARGE AVE
[phone]
629
NO
47
35713298
BYRD, BRENDA C & RICHARD G
275 LARGE AVE
704 279-9425
700
NO
48
357D254
LOMAX, JUNIA PENDERGRASS
255 LARGE AVE
704 279-7526
713
NO
49
357D262
MARTIN, ROBERT M & SUSAN S
235 LARGE AVE
704 279-6779
769
NO
50
357D237
MARTIN, ROBERT MICHAEL & SUSAN E
225 LARGE AVE
820
NO
51
357D243000001
BRADSHAW, G WAYNE & SHERRY ANNETTE
290 LARGE AVE
520
NO
52
357D253
TAYLOR, BRENDA WAGONER
8420 MEDIUM DR
704 279-4476
427
NO
53
357D242
WELL, AMBER N &THRASHER, JONATHAN A
8450 MEDIUM DR
450
NO
54A
35713305
BAUTISTA, DANIEL C & RODRIGUEZ, MARCELA H
0 LARGE AVE
203
YES
54B
357D250
MCINTYRE, CAROLYN SUE
230 LARGE AVE
203
YES
55
357D246
SAMPLES, LARRY ELLIOT & KAREN
8470 MEDIUM DR
704 279-7021
589
NO
56
357D244
DANIELS, BARBARA E
8340 MEDIUM DR
1,005
NO
57, 58,
59
358 024
ALCHEM, INC
8135 Red
[phone]
70
YES
Notes:
Any wells at distances greater than 1,500 feet are adjacent properties to the Site.
0 RED RD = Street address not listed in the Rowan Co. GIS; possibly undeveloped or vacant.

TABLE 5
POTENTIAL WATER -SUPPLY WELLS
UPDATED NOVEMBER 21, 2009
ALCHEM, INC. SITE
ROCKWELL, ROWAN COUNTY, NORTH CAROLINA
GROUNDWATER INCIDENT NO.: 200502451
DELTA PROJECT NO.: 5E0805096P
PAGE: 1 of 2
Map #
Well # / Parcel #
Owner
Address
Phone Number
Approximate
Distance from
Source (ft)
Supplied by
Municipal Water
1
361A017
PERKINS, KIMBERLY C & STUART T
1212 BIRD DOG TRL
704 213-3268
999
NO
2
361A016
PENNINGTON, JAMES L & CAROLYN MAE CORWIN
1202 BIRD DOG TRL
918
NO
3
361A015
MONROE, NANCY P
1192 BIRD DOG TRL
1,042
NO
4
361A014
SPRY, JOSHUA G & APRIL D
1170 BIRD DOG TRL
704 279-5358
1,142
NO
5
361A013
DEESE, CYNTHIA M
1150 BIRD DOG TRL
704 279-0318
1,215
NO
6
361A012
MITCHELL, PENNY HINCEMON
1132 BIRD DOG TRL
1,283
NO
7
361A011
JIM L BOST CONSTRUCTION CO INC
1104 BIRD DOG TRL
1,390
NO
8
361A010
ANDERSON, CRAIG D & ANGELOA S
1068 BIRD DOG TRL
704 279-3112
1,470
NO
9
361 058, 361 057 HEART TO HEART HELPING HANDS OF HOPE MINISTRIES
0 RED RD/0 CORNELIUS DR
1,194
NO
10
361A018
DUNFORD, PAIGE JOHNSON
1203 BIRD DOG TRL
1,134
NO
11
361A019
HARWOOD, JASON ANDREW & CHRISTINA MARIE
1191 BIRD DOG TRL
704 279-5270
1,197
NO
12
361A020
GAITAN, HERMINIO VILLALOBOS
1171 BIRD DOG TRL
1,251
NO
13
361A021
CANTRELL, MARK LEE
1151 BIRD DOG TRL
704 279-7545
1,322
NO
14
361A022
US Bank National Association Trust Wells Faro Bank NA
1131 BIRD DOG TRL
704 279-7711
1,397
NO
15
361A023
MILLER, BRITT ASHLEY
1105 BIRD DOG TRL
1,477
NO
16
357A372
LINK STREET DEVELOPERS LLC
0 RED RD
1,500
NO
17
357A054
ROCKWELL CENTER LLC
8420 RED RD
1,400
NO
18
35713207
TERRELL, RICHARD A & JANICE S
8520 FOREST DR
704 279-7067
1,455
NO
19
357A055
ROSS, CINDERELLA SCOTT
0 WILCOY RD
1,225
NO
20
357A056
TREXLER, RALPH DONALD & NANCY A
341 WILCOY RD
704 279-7527
1,180
NO
21
357A057
DRYE, GARY LEE
0 WILCOY RD
1,134
NO
22
357A059
PEELER, PATRICK J
285 WILCOY RD
704 279-3290
1,098
NO
23
357A060
WILLIAMS, MARY G
255 WILCOY RD
1,097
NO
24
357A06201
WILLIAMS, WALTER MARK & SABRINA DAWN
225 WILCOY RD
1,111
NO
25
357A062
ALLMAN, SARAH POTEAT & EVERETTE
165 WILCOY RD
704 279-4322
1,159
NO
26
35713156
RITCHIE, GLENN E JR & SHIRLEY
8435 FOREST DR
1,320
NO
27
357B177
STOKES, MOSES M JR & HAZEL K
8440 DOGWOOD DR
704 279-2009
1,429
NO
28
35713158
BODINE, DEAN & NANCY
8435 DOGWOOD DR
1,406
NO
29
35713165
CRANFORD, RONALD C & SHIRLEY
8445 DOGWOOD DR
NO
30 -
357 047
PUCKETT, JEAN C & CAROLYN B
0 WILCOY RD
704 279-4979
1,450
NO
31
357 045
ROCKWELL PARK DEV CO., AMERICAN LEGION -POST 112
8588 US 52
1,500
NO
Notes:
Any wells at distances greater than 1,500 feet are adjacent properties to the Site.
0 RED RD = Street address not listed in the Rowan Co. GIS; possibly undeveloped or vacant.

FIGURES

i
I
I
I
I
I
I
DEEP MONITORING WELL NOT
USED
0 WATER -SUPPLY WELL
® - PROPERTY BOUNDARY
-• - FENCE LINE
+++- RAILROAD TRACKS
-3.5-PH ISOCONCENTRATION LINE
IN STANDARD UNITS (SU)
NU NOT USED, DEEP WELL
ESTIMATED GROUNDWATER
FLOW DIRECTION
MW-IO \1 VA� 3.4
4.9 MW-4
MW-8 I n N\� I �
6.2 AWOODED
I 0 35 7C
- 6.0 FEET
POND (/4
I
I
5.5 I
I
I I
I I
TITLE: DWN: DES.: PROJECT NO.:
SHALLOW GROUNDWATER pH NEW 5E0805096P
ISOCONCENTRATION MAP (NOVEMBER 2009) CHKD: APPD:
ALCHEM, INC. FIGURE NO.:
DATE: V.: 2
® E LTA ROCKWELL, NORTH CAROLINA 12/07/09

I
MW-8
I
I
T
N
4.1
WOODED
0
35 70
FEET
I
POND (/4
I
I
I
I
CLEARED LAND
I
I
I
I
I
MW-2
29.7
I
I
�
I
MW-9 '
I
Y
I
MW-1
<5.0
II950
I
L
POND
y2
O
POND y3
DD O
MW-7
14.8 i
II
WS-3
`�o
-�
O
II
MW-5
i
•
CHEMICAL
MW-6
796'
<5.0 STORAGE
MNU p
PO
yt
ASTs
0
to
cu
\
PRODUCTION,
STORAGE,
MAINENANCE
SHEDS
WS-2
M
0
1550
iI
WS-1
0
jl
OFFICE/
AINENANC
I I
I
I I
II
LEGEND:
i
SHALLOW MONITORING WELL
WITH SULFATE CONCENTRATION
IN MILLIGRAMS PER LITER
`
796
(m9/L)
4- , DEEP MONITORING WELL NOT
i
USED
O WATER -SUPPLY WELL
MW-10
i
_ _ PROPERTY BOUNDARY
�5'0 9030
FENCE LINE
H�+ RAILROAD TRACKS
SULFATE NCAC 2L STANDARD
/
-250-ISOCONCENTRATION LINE
(DASHED WHERE INFERED)
NU NOT USED, DEEP WELL
ESTIMATED GROUNDWATER
FLOW DIRECTION
TITLE:
LATERAL EXTENT OF SULFATE IN SHALLOW
OWN:
DES.:
PROJECT NO.:
NEW
GROUNDWATER (NOVEMBER
2009)
5EO805096P
CHKO:
AP D:
A LC H E M, INC.
FIGURE NO.:
DATE:
12/o2/os
RE .:
DELTA ®
ROCKWELL, NORTH CAROLINA
Z
J

k
N
A
0 200 400
EET
�G
G
NA A ETH HOME ROAD
CRESCENT pVE
p ul
p pV
33
• 32
e
55
1,500 FOOT RADIUS FROM I
35
POTENTIAL CONTAMINANT AREA
53•
❑
34
'
31
54B
57
' S4A .
36
52•
37
s_
58 I 51 •
�Fo� 38
G�
•
;9 P�` .
o '
�?
• 50
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301
•
• �48
39
• 47
4.
40
O1 41
10 .
25
• 8
• 02
24
11 • • 03 •
42 23
27
29
12 .04 43 ' .
•
22
13 • • 05 44
•
14 • • 06 450• 21 • 26
0
a
20
1 �07 19 •T,
o
08 • 09
o 17• A
16'
LEGEND:
• WATER SUPPLY WELL
(APPROXIMATE LOCATION)
— — PROPERTY BOUNDARY
—. — FENCE LINE
+�H— RAILROAD TRACKS
rV1 STREAM
❑ SITE POND
TITLE:
DWN:
DES.:
PROJECT NO.:
UPDATED RECEPTOR LOCATION MAP
NEW
(NOVEMBER 2009)
5E0805096P
CHKD:
APPD
ALCHEM, INC.
FIGURE NO.:
DATE:
10/27/08
REV.:
08/21/09
® E L TA
ROCKWELL, NORTH CAROLING
A
°i

ATTACHMENT A
GROUNDWATER LABORATORY ANALYTICAL RESULTS AND CHAIN OF
CUSTODY RECORD

aceAnalytical
ww. wpace/ab&com
December 05, 2009
John Reuscher
Delta Environmental Consultant
8008 Corp. Center Drive
Suite 100
Charlotte, NC 28226
RE: Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Dear John Reuscher:
Enclosed are the analytical results for sample(s) received by the laboratory on November 23, 2009.
The results relate only to the samples included in this report. Results reported herein conform to the
most current NELAC standards, where applicable, unless otherwise narrated in the body of the
report.
Inorganic Wet Chemistry and Metals analyses were performed at our Pace Asheville laboratory and
Organic testing was performed at our Pace Huntersville laboratory unless otherwise footnoted. All
Microbiological analyses were performed at the laboratory where the samples were received.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Kevin Godwin
[e-mail]
Project Manager
Enclosures
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent tofPace Analytical Services, Inc..
�1.1LIS'dQL.1
Page 1 of 25

aceAnalytical
www.pacelabs.com
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Asheville Certification IDs
Connecticut Certification #: PH-0106
2225 Riverside Dr. Asheville, NC 28804
Louisiana/LELAP Certification #: 03095
Massachusetts Certification #: M-NC030
New Jersey Certification #: NC011
North Carolina Bioassay Certification #: 9
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
CERTIFICATIONS
Pennsylvania Certification M 68-03578
South Carolina Bioassay Certification M 99030002
South Carolina Certification M 99030001
Tennessee Certification M 2980
Virginia Certification #: 00072
West Virginia Certification M 356
Florida/NELAP Certification M E87648
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
.heIMPS z
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 25

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCeAnall/fical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
SAMPLE SUMMARY
Project:
Pace Project No.:
ALCHEM INC: ROCKWELL, NC
9258145
Lab ID
Sample ID
Matrix Date Collected
Date Received
9258145001
MW-1
Water 11/21/0911:10
11/23/09 10:40
9258145002
MW-2
Water 11/21/09 09:35
11/23/09 10:40
9258145003
i
MW-3
Water 11/21/09 08:05
11/23/09 10:40
9258145004
MW-4
Water 11/21/0911:15
11/23/09 10:40
9258145005
MW-5
Water 11/21/0910:00
11/23/09 10:40
9258145006
MW-6
Water 11/21/09 09:15
11/23/09 10:40
9258145007
MW-6D
Water 11/21/09 08:45
11/23/09 10:40
9258145008
MW-7
Water 11/21/09 09:00
11/23/09 10:40
9258145009
MW-8
Water 11/21/09 09:50
11/23/09 10:40
9258145010
MW-9
Water 11/21/0913:10
11/23/09 10:40
9258145011
MW-10
Water 11/21/0912:20
11/23/09 10:40
9258145012
WS-2
Water 11/21/0912:20
11/23/09 10:40
9258145013
WS-3
Water 11/21/0910:25
11/23/09 10:40
9258145014
DANIELS
Water 11/21/0914:00
11/23/09 10:40
9258145015
BEAVER
Water 11/21/0914:15
11/23/09 10:40
9258145016
SAMPLES
Water 11/21/0914:30
11/23/09 10:40
REPORT OF LABORATORY ANALYSIS Page 3 of 25
This report shall not be reproduced, except in full,
-
without the written consent of Pace Analytical Services,
Inc..
-
`Ll1GlCL4;=

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceAnalXical 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
SAMPLE ANALYTE COUNT
[phone] [phone]
Project:
ALCHEM INC.- ROCKWELL, NC
Pace Project No.:
9258145
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
9258145001
MW-1
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145002
MW-2
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145003
MW-3
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145004
MW-4
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145005
MW-5
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145006
MW-6
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145007
MW-6D
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145008
MW-7
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145009
MW-8
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145010
MW-9
ASTM D516-90
DMN
1
EPA 9040
DMN
1
9258145011
MW-10
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145012
WS-2
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145013
WS-3
ASTM D516-90
DMN
1
EPA 9040
JDA
1
9258145014
DANIELS
ASTM D516-90
DMN
1
EPA 9040
DMN
1
9258145015
BEAVER
ASTM D516-90
DMN
1
EPA 9040
DMN
1
9258145016
SAMPLES
ASTM D516-90
DMN
1
EPA 9040
DMN
1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
r e rc11,©
Page 4 of 25

—' aceAnalytical
www.pacelabs.com
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
2225 Riverside Dr. 9800 Kincey Ave. Suite 100
Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Sample: MWA Lab ID: 9258145001 Collected: 11/21/09 11:10 Received: 11/23/0910:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 4.9 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 950 mg/L 250 50 12/01/0919:56 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
N •«oq
c
Page 5 of 25

I
I I
aceAnalytical
www.pacelabs.com
I
I
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
2225 Riverside Dr. 9800 Kincey Ave. Suite 100
Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-2 Lab ID: 9258145002 Collected: 11/21/09 09:35 Received: 11/23/0910:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua]
9040 pH Analytical Method: EPA 9040
pH 4.8 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 29.7 mg/L 5.0 1 12/01/09 21:16 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 6 of 25

/�,� /a Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aoe/`U!`a0cal 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-3 Lab ID: 9258145003 Collected: 11/21/09 08:05 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.5 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 1550 mg/L 250 50 12101/0919:56 14808-79-8
Date: 12/05/2009 12:02 PM REPORT OF LABORATORY ANALYSIS Page 7 of 25
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
ACCopa,
c'���z

® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
ANALYTICAL RESULTS
[phone] [phone]
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-4 Lab ID: 9258145004 Collected: 11/21/09 11:15 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.4 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 9030 mg/L 2000 2 12/01/09 22:49 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
�y Acc
Page 8 of 25

acmnalytical
www.pacelabacom
I
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: MW-5 Lab ID: 9258145005 Collected: 11/21/09 10:00 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 5.3 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate ND mg/L 5.0 1 12/01/0919:22 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
N
Page 9 of 25

aceAnalytical
www.pacelabs.com
i
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
ANALYTICAL RESULTS
Sample: MW-6 Lab ID: 9258145006 Collected: 11/21/09 09:15 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 3.8 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 796 mg/L 250 50 12/01/09 20:02 14808-79-8 MO
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 10 of 25

i
® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceMalytical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-6D Lab ID: 9258145007 Collected: 11/21/09 08:45 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 4.0 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 14300 mg/L 5000 10 12/01/09 22:24 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
`L11G
Page 11 of 25

aceAnalyiical
www.pacefe6s.com
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-7 Lab ID: 9258145008 Collected: 11/21/09 09:00 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 4.9 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 14.8 mg/L 5.0 1 12/01/09 19:25 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
eFa
Page 12 of 25

aceAnalytical
mvw.pacelabs.com
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: MW-8 Lab ID: 9258145009 Collected: 11/21/09 09:50 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua[
9040 pH Analytical Method: EPA 9040
pH 6.2 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 94.1 mg/L 25.0 5 12/01/09 20:57 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
,JccOq[�//��,,\\
Page 13 of 25

®
Pace Analytical
Services, Inc.
Pace Analytical Services, Inc.
aceAnalytical
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
www.pacelab&com
Asheville, NC 28804
Huntersville, NC 28078
i
[phone]
[phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-9
Lab ID: 9258145010 Collected: 11/21/09 13:10
Received: 11/23/09 10:40
Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed
CAS No. Qual
9040 pH
Analytical Method: EPA 9040
pH
5.3 Std. Units 0.10 1
12/03/09 16:55 H6
ASTM D516-90 Sulfate Water
Analytical Method: ASTM D516-90
Sulfate
ND mg/L 5.0 1
12/01/09 19:28 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
N � A
ti C
Page 14 of 25

®
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
acemalytical
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
www.pacdabs.com
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: MW-10
Lab ID: 9258145011 Collected: 11/21/09 12:20
Received: 11/23/09 10:40
Matrix: Water
Parameters
Results Units Report Limit DF
Prepared Analyzed
CAS No. Qua]
9040 pH
Analytical Method: EPA 9040
pH
4.9 Std. Units 0.10 1
12/01/09 15:15 H6
ASTM D516-90 Sulfate Water
Analytical Method: ASTM D516-90
Sulfate
ND mg/L 5.0 1
12/01/09 19:28 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 15 of 25

Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceAnalytical ® 2225 Riverside Dr. 9800 KinceyAve. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: WS-2 Lab ID: 9258145012 Collected: 11/21/09 12:20 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 4.1 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 3740 mg/L 500 1 12/01/09 22:20 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 16 of 25

I
aceAnalytical
www.pacelabscom
I
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
ANALYTICAL RESULTS
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Sample: WS-3 Lab ID: 9258145013 Collected: 11/21/09 10:25 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua[
9040 pH Analytical Method: EPA 9040
pH 3.8 Std. Units 0.10 1 12/01/09 15:15 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 4900 mg/L 1000 2 12/01/09 21:42 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
cc
Page 17 of 25

OD
aceAnalytical
www.pacelabscom
i
i
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
2225 Riverside Dr.
9800 KinceyAve. Suite 100
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: DANIELS Lab ID: 9258145014 Collected: 11/21/09 14:00 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.6 Std. Units 0.10 1 12/03/09 16:55 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 162 mg/L 80.0 16 12/01/09 21:35 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
u o`���\ H
Vlirflli
Page 18 of 25

aceAnalytical
www.pacelabs.com
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
Sample: BEAVER
Parameters
9040 pH
pH
ASTM D516-90 Sulfate Water
Sulfate
Date: 12/05/2009 12:02 PM
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
ANALYTICAL RESULTS
Pace Analytical Services, Inc.
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Lab ID: 9258145015 Collected: 11/21/09 14:15 Received: 11/23/09 10:40 Matrix: Water
Results Units Report Limit DF Prepared Analyzed CAS No. Qua[
Analytical Method: EPA 9040
6.4 Std. Units 0.10 1 12/03/09 16:55 H6
Analytical Method: ASTM D516-90
209 mg/L 105 21 12/01/09 20:57 14808-79-8
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace
+Analytical Services, Inc..
Page 19 of 25

Q /�� /+ ® Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aCeMaOcal 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelab&com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
ANALYTICAL RESULTS
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
Sample: SAMPLES Lab ID: 9258145016 Collected: 11/21/09 14:30 Received: 11/23/09 10:40 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
9040 pH Analytical Method: EPA 9040
pH 6.9 Std. Units 0.10 1 12/03/09 16:55 H6
ASTM D516-90 Sulfate Water Analytical Method: ASTM D516-90
Sulfate 416 mg/L 170 34 12/01/09 20:57 14808-79-8
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
AC Co,
Page 20 of 25

0
Pace Analytical Services, Inc. Pace Analytical Services, Inc.
aceAnalytical 2225 Riverside Dr. 9800 Kincey Ave. Suite 100
www.pacelabs.com Asheville, NC 28804 Huntersville, NC 28078
[phone] [phone]
QUALITY CONTROL DATA
l�
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
QC Batch: WET/10634 Analysis Method: EPA 9040
QC Batch Method: EPA 9040 Analysis Description: 9040 pH
Associated Lab Samples: 9258145001, 9258145002, 9258145003, 9258145004, 9258145005, 9258145006, 9258145007, 9258145008,
9258145009,9258145011,9258145012,9258145013
SAMPLE DUPLICATE: 372602
9257898001 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
pH Std. Units 8.4 8.4 0 20 H6
Date: 12/05/2009 12:02 PM REPORT OF LABORATORY ANALYSIS Page 21 of 25
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..

®
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
aceAnalytical
2225 Riverside Dr.
9800 Kincey Ave. Suite 100
www.pacelabs.com
Asheville, NC 28804
Huntersville, NC 28078
i
[phone]
[phone]
QUALITY CONTROL
DATA
Project: ALCHEM INC.- ROCKWELL, NC
Pace Project No.: 9258145
QC Batch: WETA/6347
Analysis Method:
ASTM D516-90
QC Batch Method: ASTM D516-90
Analysis Description:
ASTM D516-90 Sulfate Water
Associated Lab Samples: 9258145001, 9258145002,
9258145003, 9258145004
METHOD BLANK: 372954
Matrix: Water
Associated Lab Samples: 9258145001, 9258145002,
9258145003, 9258145004
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Sulfate
mg/L
ND
5.0 12/01/0919:33
LABORATORY CONTROL SAMPLE:
372955
Spike LCS
LCS % Rec
Parameter
Units
Conc. Result
% Rec Limits Qualifiers
Sulfate
mg/L
20 19.1
96 90-110
MATRIX SPIKE SAMPLE:
372956
9257812001 Spike
MS MS
% Rec
Parameter
Units
Result Conc.
Result % Rec
Limits Qualifiers
Sulfate
mg/L
22700 ug/L 20 42.3 98
75-125
MATRIX SPIKE SAMPLE:
372957
9257812002 Spike
MS MS
% Rec
Parameter
Units
Result Conc.
Result % Rec
Limits Qualifiers
Sulfate
mg/L
18000 ug/L 20 36.8 94
75-125
SAMPLE DUPLICATE: 372958
9257812003 Dup
Max
Parameter
Units
Result Result
RPD RPD
Qualifiers
Sulfate
mg/L
ND
ND 20
SAMPLE DUPLICATE: 372959
9257812004 Dup
Max
Parameter
Units
Result Result
RPD RPD
Qualifiers
Sulfate
mg/L
ND
ND 20
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 22 of 25

® Pace Analytical Services, Inc.
aceAnalytical 2225 Riverside Dr.
mw.pacelabs.com Asheville, NC 28804
[phone]
i
QUALITY CONTROL DATA
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
QC Batch: WET/10682 Analysis Method: EPA 9040
QC Batch Method: EPA 9040 Analysis Description: 9040 pH
Associated Lab Samples: 9258145010, 9258145014, 9258145015, 9258145016
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE DUPLICATE: 374483
9258145010 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
pH Std. Units 5.3 5.3 0 20 H6
Date: 12/05/2009 12:02 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 23 of 25

®
Pace Analytical Services, Inc.
Pace Analytical Services, Inc.
aceMaOcal
2225 Riverside Dr.
9800 KinceyAve. Suite 100
www.pacelabs.com
Asheville, NC 28804
Huntersville, NC 28078
[phone]
[phone]
QUALITY CONTROL DATA
I
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
QC Batch: WETA/6348
Analysis Method: ASTM D516-90
QC Batch Method: ASTM D516-90
Analysis Description: ASTM D516-90 Sulfate Water
Associated Lab Samples: 9258145005, 9258145006, 9258145007, 9258145008, 9258145009, 9258145010, 9258145011,
9258145012,
9258145013,9258145014,9258145015,9258145016
METHOD BLANK: 372961
Matrix: Water
Associated Lab Samples: 9258145005, 9258145006, 9258145007, 9258145008, 9258145009, 9258145010, 9258145011,
9258145012,
9258145013,9258145014,9258145015,9258145016
Blank Reporting
Parameter Units
Result Limit Analyzed Qualifiers
Sulfate mg/L
ND 5.0 12/01/0919:20
LABORATORY CONTROL SAMPLE: 372962
Spike LCS LCS % Rec
Parameter Units
Conc. Result % Rec Limits Qualifiers
Sulfate mg/L
20 21.0 105 90-110
MATRIX SPIKE SAMPLE: 372963
9258145005 Spike MS MS
% Rec
Parameter Units
Result Conc. Result % Rec
Limits Qualifiers
Sulfate mg/L
ND 20 22.3 99
75-125
MATRIX SPIKE SAMPLE: 372964
9258145006 Spike MS MS
% Rec
Parameter Units
Result Conc. Result % Rec
Limits Qualifiers
Sulfate mg/L
796 20 822 134
75-125 MO
SAMPLE DUPLICATE: 372965
9258145007 Dup Max
Parameter Units
Result Result RPD RPD
Qualifiers
Sulfate mg/L
14300 14000 3 20
SAMPLE DUPLICATE: 372966
9258145008 Dup Max
Parameter Units
Result Result RPD RPD
Qualifiers
Sulfate mg/L
14.8 ND 20
Date: 12/05/2009 12:02 PM REPORT OF LABORATORY ANALYSIS Page 24 of 25
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
^.

acmnalytical
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QUALIFIERS
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Pace Analytical Services, Inc.
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Project: ALCHEM INC: ROCKWELL, NC
Pace Project No.: 9258145
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to changes in sample preparation, dilution of
the sample aliquot, or moisture content.
ND - Not Detected at or above adjusted reporting limit.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
S - Surrogate
1,2-Diphenylhydrazine (8270 listed analyte) decomposes toAzobenzene.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
Pace Analytical is NELAP accredited. Contact your Pace PM for the current list of accredited analytes.
U - Indicates the compound was analyzed for, but not detected.
ANALYTE QUALIFIERS
H6 Analysis initiated more than 15 minutes after sample collection.
MO Matrix spike recovery and/or matrix spike duplicate recovery was outside laboratory control limits.
Date: 12/05/2009 12:02 PM REPORT OF LABORATORY ANALYSIS Page 25 of 25
This report shall not be reproduced, except in full,
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M ACC,

/.AaceAnalyfical-
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CHAIN -OF -CUSTODY / Analytical Request Document
The Chain -of -Custody Is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
Section A Section B Section C
Page: of Z
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CHAIN -OF -CUSTODY / Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
Section A Section B Section C
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mpa y. Report To J A flan:
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IN MILLIGRAMS PER LITER
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USED
0 WATER —SUPPLY WELL
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<5'0 11, 9030
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RAILROAD TRACKS
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/
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(DASHED WHERE INFERED)
NU NOT USED, DEEP WELL
ESTIMATED GROUNDWATER
FLOW DIRECTION
TITLE:
OWN:
DES.:
PROJECT NO.:
LATERAL EXTENT OF SULFATE IN SHALLOW
NEW
GROUNDWATER (NOVEMBER
2009)
5E0805096P
CHKD:
AP D:
ALCHEM, INC.
FIGURE NO.:
DATE:
12/02/09
RE .:
® E LTA
ROCKWELL, NORTH CAROLINA
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FIGURE NO.:
DATE:
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REV.:
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DELTA
ROCKWELL, NORTH CAROLINA