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Old Buncombe County Landfill
Permit No. 1101
Spring 2017 Semi-Annual Monitoring and
Monitored Natural Attenuation Sampling Report
Presented to:
Buncombe County Solid Waste Department
81 Panther Branch Road
Alexander, North Carolina 28701
(828)250-5460
Presented by:
SCS ENGINEERS, PC
4767 New Broad Street, Suite 222
Orlando, FL 32814
(407) 514-2766
June 16, 2017
File No. 09204072.15
Offices Nationwide
www.scsengineers.co
Old Buncombe County Landfill i Semi -Annual Sampling Report
Table of Contents
Section Page
1 Introduction .............................................................................................................................................. 1
Background .............................................................................................................................................. 1
Groundwater Monitoring ...................................................................................................................... 2
2 Semi-Annual Sampling .......................................................................................................................... 3
3 Results and Discussion ............................................................................................................................ 3
Groundwater ........................................................................................................................................... 3
Surface Water ........................................................................................................................................ 4
4 Conclusion ................................................................................................................................................ 4
Figures
Figure 1. Facility Figure
Figure 2. Old Landfill Groundwater Contour Map
Tables
Table 1. Monitoring Well Sample Summary
Table 2. Groundwater Elevations
Table 3. Groundwater Exceedances for Spring 2017
Table 4. Groundwater Exceedances for Fall 2016
Table 5. Monitoring and Natural Attenuation
Appendices
Appendix A
Well Condition Summary
Appendix B
Sampling Forms
Appendix C
Summary of Detections
Appendix D
Summary of Exceedances
Solid Waste Services
Old Buncombe County Landfill 1 Semi-Annual Sampling Report
1 INTRODUCTION
This report summarizes the results of the spring 2017 semi-annual groundwater and surface
water sampling event at the Old Buncombe County unlined municipal solid waste landfill. The
Old Buncombe County Landfill (OBCL) is located at 2726 Riverview Road near Asheville,
North Carolina. Sampling activities and reporting were performed in accordance with the
Corrective Action Plan (CAP) approved September 24, 2014, NCAC 13B.1632 and North
Carolina Department of Environmental Quality’s (NCDEQs) response letter to Request for
Reduction of MNA Parameters dated December 15, 2016.
BACKGROUND
The Old Buncombe County Landfill (OBCL) is closed and currently monitored under post-
closure care (Figure 1). The OBCL collected waste streams in unlined waste areas approved to
receive municipal, industrial, and construction solid wastes, along with household waste and
yard debris. Leachate from the waste areas have mixed with the groundwater as evidenced from
the presence of chlorinated solvents detected in groundwater from down-gradient monitoring
wells in excess of North Carolina Department of Environment and Natural Resources
(NCDENR) standards beginning in 1985 to the present.
Waste Areas A, B, and C stopped receiving waste prior to October 9, 1991. Area D stopped
accepting waste on September 27, 1997 in accordance with the North Carolina Solid Waste
Management Rule T15A: 13B .1627(c)(10)(A). Institutional controls are in place which restricts
the use of, access to the site, and eliminates or minimizes exposure to site contaminants. All
disposal areas have been closed and capped in accordance with permit modifications for closure
under 15A North Carolina Administrative Code (NCAC) Chapter 13B.
The landfill site has controlled access and perimeter fencing to limit site access. An active gas
collection system was constructed and is operated by Enerdyne. This system generates power
from a small facility located on the property. The County has constructed a Safety Training
Facility on property outside of the waste fill area but within the original landfill property limits.
Multiple buildings have already been constructed and others are in the planning stages. This area
has controlled access and perimeter fencing that isolates its development from the balance of the
landfill property. The habitable buildings in this area are equipped with sub floor vapor
extraction systems and gas detectors that are monitored continuously by on-site personnel. While
these vapor intrusion controls have been installed specifically to address potential methane gas
issues, it is expected that the vapor systems in permanently occupied spaces will also help to
mitigate any potential issues arising from a vapor intrusion pathway.
Solid Waste Services
Old Buncombe County Landfill 2 Semi-Annual Sampling Report
GROUNDWATER MONITORING
The groundwater plume has been monitored over the years by a series of monitoring wells
around the perimeter of the landfill. Currently 24 monitoring wells are sampled semi-annually
(DPL-2 was converted to an Injection Well prior to the October 2015 sampling event).
Groundwater samples collected from these wells have been analyzed for the typical landfill
parameters (metals, semi-volatile organic compounds, volatile organic compounds, etc.).
Concentrations in excess of the Title 15A NCAC Subchapter 2L (NC2L) groundwater standards
have been reported primarily for metals and volatile organic compounds (VOCs). The extent of
the groundwater plume has been delineated and concentrations of contaminants have generally
been declining. Additional remedial measures, enhanced in-situ bioremediation (EIB) were
performed in September 2015 in accordance with the March 2015 CAP Addendum and the
Injection Permit WI0100353.
Five main groundwater flow paths, referred to as transects, have been identified down-gradient
from the OBCL waste piles presented below.
Transect 1 Transect 2 Transect 3 Transect 4 Transect 5
MW-4A MW-B MW-3 MW-DPL-2 MW-6
MW-12-25 MW-17-60 MW-21-21 MW-4 MW-6-192
MW-13-35 MW-17-137 MW-21-94 MW-19-75 MW-5
MW-13-132 MW-19-110 DPL-1
MW-24-45 MW-18-78
MW-24-160
Italicized- EIB Injection Well
Bold-MNA Performance Well
Bold & Italicized-MNA Sentinel Well
Transects 1 and 5 appear to be long enough to naturally attenuate VOCs observed immediately
down-gradient from the waste piles prior to reaching the French Broad River. MNA is the only
remedial activity for Transects 1 and 5. Transect 3 and 4 show contaminants reach the French
Broad River before natural attenuation processes may completely de-chlorinate site VOCs.
Therefore more aggressive clean-up actions consisting of enhancing natural attenuation through
substrate addition were implemented along the short flow path system.
DPL-2 and the newly installed IW-1 were used as the fractured bedrock injection points for
substrate addition based on their close proximity to the source plume. Direct injection to the base
of the regolith, TW-1-3, was also used to treat the high flow zone which may be used to
remediate both short and long fracture controlled flow paths along Transects 3 and 4. Substrate
addition was conducted in September, 2015 prior to the fall 2015 semi-annual sampling event.
Temporary injection wells were abandoned following substrate addition.
Solid Waste Services
Old Buncombe County Landfill 3 Semi-Annual Sampling Report
2 SEMI-ANNUAL SAMPLING
Sampling activities for the OBCL took place on April 27, 2017 through May 5, 2017. Twenty-two monitoring wells were sampled during the spring 2017 event. Three monitoring wells were dry and no samples were collected (MW-24-45, DPL-1 and MW-7). All samples were collected
and analyzed by Pace Laboratories in Asheville, NC for analysis of Appendix I constituents and
MNA parameters specified in Table 1. Groundwater levels were measured and used to calculate groundwater elevations (Table 2). A groundwater contour map is presented in Figure 2. The Well Condition Summaries are included
as Appendix A and field parameters are recorded on the Sampling Forms provided in Appendix
B. Field parameters include: pH, specific conductivity, temperature, dissolved oxygen, and oxidation-reduction potential (ORP), temperature, and turbidity. Field parameters were also measured at the surface water sampling locations.
3 RESULTS AND DISCUSSION
Seventeen of the 22 monitoring wells had concentrations of VOCs and metals in excess of the NC2L Groundwater Standards. No surface water samples had concentrations in excess of the
Surface Water Standard (SWS) reporting limits. A summary of detections is provided in Appendix C; a summary of exceedances is provided as Appendix D. The exceedances were consistent with historic concentrations at their respective wells. A summary of the contaminants exceeding the NC2L groundwater standards is presented in Table 3. A summary of groundwater exceedances from Fall 2016 is included as Table 4 for comparison. MNA data is shown in Table
5. MNA results are consistent with and follow baseline MNA data trends.
GROUNDWATER
VOC constituents detected in groundwater include 1,1-dichloroethane, , 1,2-dichlorobenzene, 1,4-dichlorobenzene, , , benzene, chloride, chlorobenzene, chloroethane, cis-1,2-dichloroethene, ethane, ethene, ethylbenzene, methane, tetrachloroethene, toluene, trichloroethene, vinyl chloride, and xylene. 1,1-dichloroethane exceeded the maximum contaminate level (MCL) of 6.0 ug/L in MW-3 (10.1 ug/L) and in MW-4 (15.5 ug/L). Benzene exceeded the MCL of 1.0
ug/L in MW-13-132 (1.1 ug/L), MW-13-35 (2.8 ug/L), MW-21-21 (1.2 ug/L) and MW-4A (5.4 ug/L). Vinyl chloride exceeded the MCL of 0.03 ug/L in MW-18-78 (1.4 ug/L), MW-21-21 (2.2 ug/L), MW-3 (3.5 ug/L), MW-4 (3.6 ug/L) and MW-B (1.7 ug/L). The exceedances of VOCs have notably decreased since the last sampling event in Fall 2016.
The exceedances from fall 2016 are depicted in Table 3. In this sampling event, concentrations of trichloroethene (TCE), 1,2-dichloropropane and 1,4-dichlorobenzene have decreased since the last sampling event and do not exceed NC2L groundwater standards at any monitoring wells. Vinyl chloride, a daughter product of TCE, increased in MW-B, MW-3, MW-21-21 and MW-4 since the last round of sampling which, together with the decrease in TCE, indicates degradation
of TCE continues two years after the application of the EIB injection.
Solid Waste Services
Old Buncombe County Landfill 4 Semi-Annual Sampling Report
Metal constituents detected in groundwater include antimony, barium, chromium, cobalt, iron,
lead, manganese, nickel, selenium, vanadium, and zinc. Barium exceeded the MCL of 700 ug/L in MW-4 (729 ug/L), MW-4A (816 ug/L) and MW-6 (1,410 ug/L). Cadmium exceeded the MCL of 2.0 ug/L in MW-4 at 17.9 ug/L. Chromium exceeded the MCL of 10 ug/L in MW-15 at 18.3 ug/L. Cobalt exceeded the MCL of 1.0 ug/L in MW-18-78 (15.1 ug/L), MW-19-75 (10 ug/L),
MW-21-21 (7.6 ug/L), MW-4 (84.7 ug/L), MW-4A (39.5 ug/L), MW-3 (17 ug/L), MW-5 (8.7
ug/L) and MW-6 (20.1 ug/L). Iron exceeded the MCL of 300 ug/L in MW-13-132 (11,600 ug/L), MW-18-78 (24,900 ug/L), MW-19-110 (1,840 ug/L), MW-19-75 (13,000 ug/L), MW-2 (800 ug/L), MW-21-21 (19,100 ug/L), MW-21-94 (16,400 ug/L), MW-4 (12,600 ug/L) and MW-6 (33,400 ug/L). Nickel exceeded the MCL of 100 ug/L in MW-4 at 115 ug/L. Vanadium
exceeded the MCL of 0.3 ug/L in MW-21-21 (6.1 ug/L) and MW-12-25 (5.9 ug/L), MW-3 (8.3
ug/L), MW-4 (13.6 ug/L) and MW-4A (25.7 ug/L). Since the last sampling event iron has notably increased from having no detections in any wells to an average concentration of 13,000 ug/L in ten monitoring wells. There were also increases in
nickel and vanadium since the last sampling event and Chromium and cadmium were added to
the exceedances. This increase in iron and other metals is likely a secondary effect of the EIB injection, again indicating that the injection is still reacting with constituents in the groundwater. There were mostly decreases in cobalt and antimony was taken off the list of exceedances in this round of sampling.
SURFACE WATER
Metals detected in the surface water samples were barium and nickel. Concentrations were below their SWS reporting limits. .Compared to the last sampling event, there is a decrease in the number of metals detected in the surface water samples. Chromium, cobalt, copper, nickel, vanadium and zinc concentrations decreased to non-detectable for this round of sampling.
4 CONCLUSION
Overall concentrations of VOCs continue to decrease and have significantly decreased since the last sampling event. The increase in concentrations of vinyl chloride and iron in groundwater indicate that the EIB injection continues to break-down contaminates of concern. SCS will continue with semi-annual and MNA monitoring and reporting in accordance with the approved
CAP and the NCDEQ’s response letter to Request for Reduction of MNA Parameters. The next
semi-annual sampling event is scheduled for Fall 2017. .
Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
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Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
TABLES
Site ID Total
Depth Type Semi-Annual
MNA**
Semi-Annual
Appendix I Metals
& Volatiles
Annual
Appendix II
Field
Parameters
MW-B 15.4 Compliance Yes Yes
MW-2 175 Background Yes Yes Yes Yes
MW-3 90 Compliance Yes Yes
MW-4 75 Performance Yes Yes Yes
MW-4A 77 Compliance Yes Yes
MW-5 80 Compliance Yes Yes Yes
MW-6 40 Performance Yes Yes Yes Yes
MW-6-192 192 Compliance Yes Yes
MW-7 29 Compliance Yes Yes
MW-12-25 26 Compliance Yes Yes
MW-13-35 35 Compliance Yes Yes
MW-13-132 132 Performance Yes Yes Yes
MW-15 72 Compliance Yes Yes
MW-17-60 60 Compliance Yes Yes
MW-17-137 137 Compliance Yes Yes
MW-17-310 310 Compliance Yes Yes
MW-18-78 78 Sentinel Yes Yes Yes
MW-19-75 75 Compliance Yes Yes Yes
MW-19-110 110 Sentinel Yes Yes Yes
MW-21-21 21 Performance Yes Yes Yes
MW-21-94 94 Sentinel Yes Yes Yes
MW-24-45 45 Compliance Yes Yes
MW-24-160 160 Sentinel Yes Yes Yes
DPL-1 65 Compliance Yes Yes Yes
DPL-2 97 EIB Well Yes*Yes* Yes*
EIB Well-This well was used as injection wells for Enhanced In-Situ Bioremediation (EIB).
*This well has been removed from the sampling schedule following enhancement application.
**Semi-annual sampling occurs every 3 years.
MONITORING WELL SAMPLING SUMMARY
TABLE 1
Well ID Easting Northing
Depth to
Water (DTW)
(feet)
Groundwater
Elevation
(feet)
Top of Casing
(TOC) Elevation
(feet)
DPL-1 928382.387 714303.2959 NS NS 2,040.73
DPL-2 928816.0342 714395.3159 NS NS 2,112.15
MW-10 929060.473 716086.5209 NS NS 2,049.67
MW-12-25 931279.285 713200.9039 6.08 2,023.90 2,029.98
MW-13-10 931206.141 712942.4019 1.85 2,010.41 2,012.26
MW-13-132 931181.528 712889.7023 26.43 1,986.46 2,012.89
MW-13-35 931163.68 712965.4389 6.53 2,011.15 2,017.68
MW-14 930050.437 716289.6639 8.33 2,045.13 2,053.46
MW-15 929436.084 716936.6469 6.05 2,022.03 2,028.08
MW-16 929107.206 716170.0179 NS NS 2,048.13
MW-17-310 930139.4136 713231.8863 0.00 1,916.99 1,916.99
MW-18-3 927761.097 714074.0669 5.69 1,889.93 1,895.62
MW-18-78 927776.53 714076.66 6.19 1,888.43 1,894.62
MW-19-110 928903.3002 713929.1736 9.81 1,891.62 1,901.43
MW-19-75 928772.4025 713879.9153 9.13 1,891.59 1,900.72
MW-2 929990.265 714974.8479 110.00 2,095.33 2,205.33
MW-20-32 929259.405 713821.1789 5.99 1,893.58 1,899.57
MW-21-21 929508.41 713768.8789 5.94 1,894.55 1,900.49
MW-21-4 929494.345 713752.8479 6.05 1,894.28 1,900.33
MW-21-94 929476.2991 713814.8282 7.42 1,893.64 1,901.06
MW-22-143 930320.488 716306.9579 45.93 2,022.41 2,068.34
MW-22-78 930307.244 716312.1059 27.22 2,040.91 2,068.13
MW-23-119 930402.917 715955.7999 42.30 2,034.31 2,076.61
MW-23-186 930406.936 715946.4999 53.92 2,022.51 2,076.43
MW-24-160 930968.9485 711377.7246 94.11 1,839.13 1,933.24
MW-24-45 930963.2204 711372.032 NS NS 1,932.07
MW-3 929739.9587 713790.0975 67.08 1,924.07 1,991.15
MW-4 928801.732 714119.7839 72.03 1,942.24 2,014.27
MW-4A 931121.511 713293.9389 72.52 2,010.58 2,083.10
MW-5 928101.415 714562.5179 55.19 1,964.54 2,019.73
MW-6 928079.3945 715045.5518 0.00 2,002.80 2,002.80
MW-6-192 928040.985 715089.0229 25.33 1,983.69 2,009.02
MW-7 930461.198 715545.8259 NS NS 2,079.02
MW-8 930235.429 716049.7539 26.50 2,082.36 2,108.86
MW-9 928619.48 716024.0369 NS NS 2,061.59
MW-A 930994.484 714595.3489 0.60 2,062.77 2,063.37
MW-B 930347.512 713577.6929 4.08 1,956.78 1,960.86
Notes:
NS- Not sampled
Table 2. Groundwater Elevations
Old Buncombe County Landfill
Spring 2017
Fence Transect 2
MCL MW-15 MW-2 MW-4A MW-12-25 MW-13-35 MW-13-132 MW-B MW-3 MW-21-21 MW-21-94 MW-4 MW-19-75 MW-19-110 MW-6 MW-5 MW-18-78
1,1-Dichloroethane 6 ug/L ND ND ND ND ND 2.5 ND 10.1 4.4 ND 15.5 1.2 ND 4.1 ND 1.8
Benzene 1 ug/L ND ND 5.4 ND 2.8 1.1 ND 1.0 1.2 ND ND ND ND 1.0 ND ND
Vinyl chloride 0.03 ug/L ND ND ND ND ND ND 1.7 3.5 2.2 ND 3.6 ND ND ND ND 1.4
Barium 700 ug/L 221 27.5 816 120 206 30.1 150 175 118 50.7 729 107 12.6 1,410 145 43.7
Cadmium 2.0 ug/L ND ND ND ND ND ND ND ND ND ND 17.9 ND ND ND ND ND
Chromium 10 ug/L 18.3 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND
Cobalt 1.0 ug/L ND ND 39.5 ND ND ND ND 17 7.6 ND 84.7 10 ND 20.1 8.7 15.1
Iron 300 ug/L 800 800 ND NA ND 11,600 ND ND 19,100 16,400 12,600 13,000 1,840 33,400 ND 24,900
Nickel 100 ug/L ND ND 11.9 20.5 5.0 ND ND 13.4 ND 9.9 115 19 5.1 9.1 15.6 ND
Vanadium 0.3 ug?l ND ND 25.7 5.9 ND ND ND 8.3 6.1 ND 13.6 ND ND ND ND ND
Notes:
MCL- Maximum Contaminant Level
ND- Indicates paramater was analized for but not detected
NA- Not Analyzed
ug/L- micrograms per liter
Bold text –exceeds MCL
TABLE 3. Exceedances for Spring 2017
Old Buncombe County Landfill
Transect 3 Transect 4 Transect 5Transect 1
MCL MW-4A MW-12-25 MW-13-35 MW-13-132 MW-3 MW-21-21 MW-21-94 MW-4 MW-19-75 MW-19-110 MW-6 MW-5 MW-18-78
1,1-Dichloroethane 6 ug/L ND ND 2.2 ND 9.8 4.4 ND 15.1 1.3 ND 4.3 ND 1.8
1,2-Dichloropropane 0.6 ug/L ND ND 1.1 ND ND ND ND ND ND ND ND ND ND
1,4-Dichlorobenzene 6 ug/L 66.2 47.7 ND ND 9.1 10.7 2.3 8.5 4.3 ND 4.3 6.6 1
Benzene 1 ug/L 3.7 2.8 1.1 ND 1.2 2.1 ND ND ND ND 1.3 ND ND
Trichloroethene 0.7 ug/L ND ND ND ND ND ND ND 1.2 ND ND ND ND ND
Vinyl chloride 0.03 ug/L ND ND ND ND 2.5 2.6 ND 2.6 ND ND ND ND 1.8
Notes:
MCL- Maximum Contaminant Level
ND- Indicates paramater was analized for but not detected
NA- Not Analyzed
ug/L- micrograms per liter
Bold text –exceeds MCL
TABLE 4. Exceedances for Fall 2016
Old Buncombe County Landfill
Transect 1 Transect 3 Transect 4 Transect 5
EPA Biodegradation Parameters Units Date MW-2 MW-4 MW-6 MW-13-132 MW-18-78 MW-19-75 MW-19-110 MW-21-21 MW-21-94 MW-24-160
Fall 2014 6.1 6.1 6.1 6.7 6.4 ---7.3 6.3 6.4 7.2
Spring 2015 6.1 6.0 6.0 6.8 6.4 ---7.3 6.2 6.5 7.2
Fall 2015 6.3 6.1 6.1 7 6.5 6.2 7.2 6.2 6.7 7.1
Spring 2016 6.0 5.9 5.8 6.9 6.2 5.9 7.2 6.1 6.3 7.0
Spring 2017 6.2 6 6.1 6.9 6.4 6.2 7.3 6.2 6.5 7.1
Fall 2014 21.7 14.3 24.5 15.7 16.3 ---16.5 16.3 19.5 14.5
Spring 2015 20.8 15.0 16.4 17.3 17.3 ---18.1 13.6 14.1 12.7
Fall 2015 12.9 16.5 18.9 13.9 16.1 17.1 16.9 17.8 18.5 18.4
Spring 2016 14.9 19.5 15.2 14.4 14.2 16.5 18.0 17.4 17.4 18.4
Spring 2017 20.4 16.6 12.2 14.7 17.4 18.2 18.5 15.9 16.6 16.6
Fall 2014 120 987 1292 249 701 ---607 1337 909 147
Spring 2015 122 973 1241 302 651 ---560 1228 964 149
Fall 2015 118 970 1263 305 678 1089 550 1157 960 151
Spring 2016 122 990 1232 314 709 1112 527 1419 878 174
Spring 2017 130 965 1333 323 722 1148 505 1218 892 160
Fall 2014 2.88 2.58 0.82 1.14 0.12 ---1.1 2.42 1.21 4.6
Spring 2015 3.91 2.9 1.03 1.09 0.81 ---0.76 1.57 1.62 3.71
Fall 2015 4.66 1.6 0.6 0.38 0.16 0.57 0.63 0.29 0.38 3.01
Spring 2016 3.25 2.87 0.97 1.04 0.66 0.6 1.43 0.67 0.7 1.96
Spring 2017 3.75 1.79 1.86 1.4 1.49 1.62 1.49 1.87 3.67 3.37
Fall 2014 277 1.91 2.05 1.59 2.15 ---2.2 2.04 1.93 4.8
Spring 2015 3.2 3.14 4.09 4.22 29 ---3.13 16.7 4.01 5.7
Fall 2015 1.74 6.93 24.78 0.42 0.35 1.78 3.05 2.51 6.68 3.79
Spring 2016 2.78 2.15 1.17 1.15 3.9 25.48 9.37 5.66 30.9 7.2
Spring 2017 9.24 5.17 6.92 1.11 8.09 8.03 7.95 25.65 12.63 4.66
Fall 2014 165.8 31.2 -39 -46.9 -56.9 ----114.6 -331 -58.4 147.3
Spring 2015 203.1 86.4 -2.1 -50.8 -29.8 ----92.7 -16.5 -40.5 49.6
Fall 2015 163.6 24.8 -33.2 -82.4 -84.4 -26.4 -49.7 -33 -109.9 138.3
Spring 2016 121.2 45.9 -10 -56.4 -39.9 17.1 65 -24 -75.2 134.8
Spring 2017 0 1 1 1 1 1 1 1 1 0
Fall 2014 50.1 390 529 111 241 ---227 580 299 41.6
Spring 2015 45.6 346 464 101 195 ---179 475 308 39.5
Fall 2015 50.1 380 477 115 207 321 173 430 299 45.2
Spring 2016 57.6 437 490 130 223 361 193 672 306 51
Spring 2017 56.30 41.80 ----138.00 ----346.00 177.00 489.00 294.00 47.00
Fall 2014 4.4 32.1 3.5 8.6 2 U ---13.2 34.3 8.1 9.8
Spring 2015 4.56 32.9 4.87 11.4 2 U ---15.8 37.6 4.76 10.4
Fall 2015 3.99 31.1 4.26 10.5 2 U 21 16.4 36.5 3.26 10.3
Spring 2016 3.87 31.2 7.46 11 2 U 20.4 16 46.9 4.22 14.4
Spring 2017 3.35 28.80 ----11.00 ----16.00 16.60 29.20 3.18 12.70
Fall 2014 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U ---0.1 U 0.1 U 0.12 0.1 U
Spring 2015 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U ---0.1 U 0.1 U 0.1 U 0.1 U
Fall 2015 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U
Spring 2016 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U
Spring 2017 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U
Fall 2014 8.7 30.5 38 26 44.7 ---27.4 75.7 15 5.3
Spring 2015 1 U 7.54 11.2 1 U 3.87 ---4 13.6 10.7 1 U
Fall 2015 1 U 5.12 7.12 1 U 3.12 8.62 3.31 10.7 7.94 1 U
Spring 2016 1 U 6.92 6.77 1 U 3.88 9.84 2.82 17 8 1 U
Spring 2017 1 U 5.91 ----1 U ----10.2 3.17 10.5 7.74 1 U
Fall 2014 36000 470000 550000 35000 160000 ---24000 510000 170000 6000
Spring 2015 54,000 110,000 450,000 20,000 100,000 ---12,000 370,000 79,000 5,300
Fall 2015 38,000 300,000 410,000 13,000 100,000 320,000 11,000 250,000 83,000 5,800
Spring 2016 52,000 420,000 490,000 13,000 200,000 130,000 11,000 460,000 110,000 6,500
Spring 2017 58,000 380,000 ----16,000 ----280,000 7,800 230,000 56,000 5,500
Fall 2014 0.0099 J 0.065 0.23 0.051 0.51 ---0.094 0.36 1.2 0.0099 J
Spring 2015 0.009 J 0.0087 J 0.26 0.037 0.24 ---0.048 0.16 0.94 0.008 U
Fall 2015 0.0063 J 0.023 0.18 0.019 0.18 0.029 0.027 0.078 0.27 0.0056 J
Spring 2016 0.0076 J 0.045 0.3 0.1 0.47 0.05 0.05 0.27 2.5 0.012 U
Spring 2017 0.012 0.024 0.2 0.16 0.34 0.048 0.046 0.087 0.071 0.0006
Fall 2014 0.0022 J 0.23 0.52 0.099 1.6 ---0.2 0.18 0.46 0.0078 J
Spring 2015 0.0012 J 0.02 0.62 0.04 1.3 ---0.13 0.13 0.75 0.0015 J
Fall 2015 0.0011 J 0.061 0.23 0.023 0.42 0.03 0.017 0.025 0.057 0.0011 J
Spring 2016 0.0011 0.084 0.63 0.05 2 0.093 0.021 0.089 0.4 0.0034
Spring 2017 0.002 U 0.071 0.17 0.061 2.1 0.11 0.069 0.064 0.18 0.002 U
Fall 2014 1.3 1.4 1.7 1.2 1.3 ---1.1 1.3 1.5 1.5
Spring 2015 1.3 1.4 1.9 54 1.3 ---1.4 1.1 10 1.2
Fall 2015 1.1 1.3 1.4 1.2 1.5 1.3 1.9 1.2 4.5 1.2
Spring 2016 2 1.4 8.4 1.4 2.4 2 1.8 1.4 1.5 9
Spring 2017 2 1.8 2.5 2 2.9 1.8 1.9 1.8 6.6 2.1
Fall 2014 0.18 1900 3200 840 3300 ---630 1400 2000 0.71
Spring 2015 0.074 140 3000 320 2100 ---310 370 1700 0.3
Fall 2015 0.066 440 900 160 760 47 37 170 240 0.057
Spring 2016 0.091 470 1900 330 5000 130 30 1400 1500 0.32
Spring 2017 0.21 560 710 390 4700 150 330 350 810 0.19
Fall 2014 810 U 810 U 810 U 810 U 810 U ---810 U 810 U 810 U 810 U
Spring 2015 890 U 980 J 890 U 890 U 1100 J ---890 U 890 U 1300 J 890 U
Fall 2015 240 J 230 J 150 J 180 J 200 J 210 J 150 J 190 J 210 J 180 J
Spring 2016 2600 J 1900 J 200 J 2200 J 890 U 1000 J 1800 J 1700 J 1800 J 2100 J
Spring 2017 330 U 330 U ----330 U ---330 U 330 U 330 U 330 U 330 U
Fall 2014 700 U 700 U 700 U 700 U 700 U ---700 U 700 U 700 U 700 U
Spring 2015 1400 U 1400 U 1400 U 1400 U 1400 U ---1400 U 1400 U 1400 U 1400 U
Fall 2015 160 J 66 J 81 J 130 J 120 J 120 J 50 U 130 J 110 J 110 J
Spring 2016 1400 U 1400 U 1400 U 1400 U 1400 U 1400 U 1400 U 1400 U 1400 U 1400 U
Spring 2017 55 U 55 U ----55 U ---55 U 55 U 55 U 55 U 55 U
Fall 2014 2500 U 2500 U 4100 J 2500 J 2500 U ---2500 U 2500 U 2500 U 2500 U
Spring 2015 2400 U 2400 U 2400 U 2400 U 2400 U ---2400 U 2400 U 2400 U 2400 U
Fall 2015 88 J 51 J 170 J 93 J 110 J 70 J 130 J 440 J 110 J 95 J
Spring 2016 2400 U 2400 U 2400 U 2400 U 2400 U 2400 U 2400 U 2400 U 2400 U 2400 U
Spring 2017 980 U 980 U ----980 U ----980 U 980 U 980 U 980 U 980 U
Fall 2014 660 U 660 U 660 U 660 U 660 U ---660 U 660 U 660 U 660 U
Spring 2015 730 U 730 U 730 U 730 U 730 U ---730 U 730 U 730 U 730 U
Fall 2015 34 J 27 J 19 J 32 J 30 J 28 J 14 J 27 J 29 J 33 J
Spring 2016 730 U 730 U 730 U 730 U 730 U 730 U 730 U 730 U 730 U 730 U
Spring 2017 52 U 52 U ----52 U ----52 U 52 U 52 U 52 U 52 U
Fall 2014 770 U 770 U 770 U 770 U 770 U ---770 U 770 U 770 U 770 U
Spring 2015 640 J 410 U 410 U 410 U 810 J ---870 J 710 J 1200 J 950 J
Fall 2015 120 U 120 U 120 U 120 U 120 U 120 U 120 U 120 U 120 U 120 U
Spring 2016 410 U 410 U 410 U 410 U 410 U 410 U 410 U 410 U 410 U 410 U
Spring 2017 410 U 410 U ---410 U ---410 U 410 U 410 U 410 U 410 U
Fall 2014 1 U 1.8 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2015 1 U 1.4 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2015 1 U 1.2 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2016 1 U 1.5 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2017 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2014 1 U 1.8 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2015 1 U 1.7 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2015 1 U 1.3 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2016 1 U 1.3 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2017 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2014 1 U 19.5 1 U 23.1 1 U 1 U 1 19.7 4.9 1 U
Spring 2015 1 U 22 1.1 23.1 1 U 1 U 1 U 18.2 4.1 1 U
Fall 2015 1 U 18.7 1 U 26.6 1 U 1 U 1 U 11.8 3.4 1 U
Spring 2016 1 U 20.3 1.1 19.4 1 U 1 U 1 U 13 3.5 1 U
Spring 2017 1 U 23 1 U 22.6 1 U 1 U 1 U 9.8 3.7 1 U
Fall 2014 1 U 2.7 1 U 1 U 2.2 1 U 1 U 3.4 1 U 1 U
Spring 2015 1 U 2.6 1 U 1 U 1.6 1 U 1 U 2.5 1 U 1 U
Fall 2015 1 U 3.1 1 U 1 U 1.6 1 U 1 U 2.4 1 U 1 U
Spring 2016 1 U 2.7 1 U 1 U 1.7 1 U 1 U 2.6 1 U 1 U
Spring 2017 1 U 3.6 1 U 1 U 1.4 1 U 1 U 2.2 1 U 1 U
Fall 2014 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2015 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2015 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2016 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Spring 2017 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U 1 U
Fall 2014 1 U 1 U 4.5 1 U 1 U 1 U 1 U 3.8 6 1 U
Spring 2015 1 U 2.8 5.2 1 U 1 U 1 U 1 U 3.6 5.8 1 U
Fall 2015 1 U 1 U 4.2 1 U 1 U 1 U 2.7 1 U 4.1 1 U
Spring 2016 1 U 3.4 4.1 1 U 1.3 1 U 1.4 3.6 5 1 U
Spring 2017 1 U 3.1 3.9 1 U 1.1 1 U 1.3 2.3 4 1 U
Fall 2014 2 U 2 U 15 2 U 5.1 ---2 U 4.6 12.6 2 U
Spring 2015 14.2 5.2 11.1 4.75 3.3 ---2 2.53 5.85 4.9
Fall 2015 2 U 2 U 7.3 2 U 6.1 2 U 2 U 2 U 11.3 2 U
Spring 2016 2 U 2 U 5.32 2 U 4.79 2.51 2 U 4.59 4.89 2 U
Spring 2017 2 U 2 U ---2 U ---52 2 U 2 U 2 U 2 U
Fall 2014 25 U 36 29 25 U 25 U ---25 U 48 25 U 25 U
Spring 2015 25 U 30 44 25 U 25 U ---25 U 44 32 25
Fall 2015 25 U 25 U 25 U 25 U 25 U 25 U 25 U 25 U 25 U 25 U
Spring 2016 25 U 37 34 25 U 25 U 45 25 U 78 29 25 U
Spring 2017 25 U 35 ----25 U ---51 25 U 52 35 25 U
Chemical Oxygen Demand (COD)mg/L
Chloroethane ug/L
Biological Oxygen Demand, 5 day (B mg/L
Vinyl chloride ug/L
1,1,1-Trichloroethane ug/L
Trichloroethene ug/L
cis-1,2-Dichloroethene ug/L
Pyruvic Acid ug/L
Tetrachloroethene ug/L
Lactic Acid ug/L
Propionic Acid ug/L
Acetic Acid ug/L
Butyric Acid ug/L
Hydrogen nM
Methane ug/L
Ethene ug/L
Ethane ug/L
Total Organic Carbon mg/L
Carbon Dioxide ug/L
Sulfate mg/L
Sulfide mg/L
Alkalinity, as CaCO3 mg/L
Turbidity NTU
Oxidation Reduction Potential m/V
Field Specific Conductance umhos/cm
Dissolved Oxygen mg/L
TABLE 5. Monitoring and Natural Attenuation
OLD LANDFILL, BUNCUMBE COUNTY, NORTH CAROLINA
Field pH Std. Units
Field Temperature deg C
Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
APPENDIX A
WELL CONDITION SUMMARY
Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
APPENDIX B
SAMPLING FORMS
Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
APPENDIX C
SUMMARY OF DETECTIONS
Groundwater Detection Summary Report
Buncombe County Old Facility
From:01/01/2017 To:06/06/2017
Well ID Parameter Sample Date Result Flags Units
MW‐12‐25
Barium, Total
4/28/2017 120 ug/L
Nickel, Total
4/28/2017 20.5 ug/L
ORP ‐ Field
4/28/2017 129.6 mV
pH ‐ Field
4/28/2017 6.8 Std. Units
Specific Conductivity ‐ Field
4/28/2017 579 umhos/cm
Temperature ‐ Field
4/28/2017 15.4 deg C
Turbidity ‐ Field
4/28/2017 1.15 NTU
Vanadium, Total
4/28/2017 5.9 ug/L
Zinc, Total
4/28/2017 15.6 ug/L
MW‐13‐132
1,1‐Dichloroethane
5/4/2017 2.5 ug/L
1,4‐Dichlorobenzene
5/4/2017 1.3 ug/L
Alkalinity, Total
5/4/2017 138000 ug/L
Barium, Total
5/4/2017 30.1 ug/L
Benzene
5/4/2017 1.1 ug/L
Carbon Dioxide
5/4/2017 16000 ug/L
Chloride
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 1 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐13‐132
Chloride
5/4/2017 4680 ug/L
cis‐1,2‐Dichloroethene
5/4/2017 22.6 ug/L
Ethane
5/4/2017 0.061 ug/L
Ethene
5/4/2017 0.16 ug/L
Hydrogen
5/4/2017 2 nM
Iron, Total
5/4/2017 11600 ug/L
Methane
5/4/2017 390 ug/L
ORP ‐ Field
5/4/2017 1.4 mV
pH ‐ Field
5/4/2017 6.9 Std. Units
Specific Conductivity ‐ Field
5/4/2017 323 umhos/cm
Sulfate
5/4/2017 11000 ug/L
Temperature ‐ Field
5/4/2017 15.7 deg C
Turbidity ‐ Field
5/4/2017 1.11 NTU
MW‐13‐35
1,2‐Dichlorobenzene
4/28/2017 9.3 ug/L
1,4‐Dichlorobenzene
4/28/2017 48.6 ug/L
Barium, Total
4/28/2017 206 ug/L
Benzene
4/28/2017 2.8 ug/L
Chlorobenzene
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 2 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐13‐35
Chlorobenzene
4/28/2017 11.5 ug/L
cis‐1,2‐Dichloroethene
4/28/2017 9.2 ug/L
Nickel, Total
4/28/2017 5 ug/L
ORP ‐ Field
4/28/2017 143.8 mV
pH ‐ Field
4/28/2017 5.9 Std. Units
Specific Conductivity ‐ Field
4/28/2017 380 umhos/cm
Temperature ‐ Field
4/28/2017 14.7 deg C
Turbidity ‐ Field
4/28/2017 1.45 NTU
MW‐15
Barium, Total
4/28/2017 221 ug/L
Chromium, Total
4/28/2017 18.3 ug/L
ORP ‐ Field
4/28/2017 85.53 mV
pH ‐ Field
4/28/2017 12.27 Std. Units
Specific Conductivity ‐ Field
4/28/2017 7520 umhos/cm
Temperature ‐ Field
4/28/2017 15.8 deg C
Turbidity ‐ Field
4/28/2017 2.26 NTU
MW‐17‐137
1,1‐Dichloroethane
5/5/2017 1.1 ug/L
Barium, Total
5/5/2017 24.1 ug/L
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 3 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐17‐137
ORP ‐ Field
5/5/2017 ‐23.6 mV
pH ‐ Field
5/5/2017 7.1 Std. Units
Specific Conductivity ‐ Field
5/5/2017 870 umhos/cm
Temperature ‐ Field
5/5/2017 13.6 deg C
Turbidity ‐ Field
5/5/2017 1.37 NTU
MW‐17‐310
Barium, Total
5/4/2017 9.1 ug/L
Nickel, Total
5/4/2017 5.4 ug/L
ORP ‐ Field
5/4/2017 140 mV
pH ‐ Field
5/4/2017 7.9 Std. Units
Specific Conductivity ‐ Field
5/4/2017 156 umhos/cm
Temperature ‐ Field
5/4/2017 15.3 deg C
Turbidity ‐ Field
5/4/2017 119.3 NTU
Zinc, Total
5/4/2017 18.7 ug/L
MW‐17‐60
1,1‐Dichloroethane
5/5/2017 1.6 ug/L
Barium, Total
5/5/2017 22.5 ug/L
ORP ‐ Field
5/5/2017 21.5 mV
pH ‐ Field
5/5/2017 6.7 Std. Units
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 4 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐17‐60
Specific Conductivity ‐ Field
5/5/2017 586 umhos/cm
Temperature ‐ Field
5/5/2017 13.5 deg C
Turbidity ‐ Field
5/5/2017 4.75 NTU
MW‐18‐78
1,1‐Dichloroethane
5/2/2017 1.8 ug/L
Barium, Total
5/2/2017 43.7 ug/L
Chloride
5/2/2017 101000 ug/L
Chlorobenzene
5/2/2017 2.5 ug/L
Chloroethane
5/2/2017 1.1 ug/L
Cobalt, Total
5/2/2017 15.1 ug/L
Ethane
5/2/2017 2.1 ug/L
Ethene
5/2/2017 0.34 ug/L
Hydrogen
5/2/2017 2.9 nM
Iron, Total
5/2/2017 24900 ug/L
Methane
5/2/2017 4700 ug/L
ORP ‐ Field
5/2/2017 ‐36.6 mV
pH ‐ Field
5/2/2017 6.4 Std. Units
Specific Conductivity ‐ Field
5/2/2017 722 umhos/cm
Temperature ‐ Field
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 5 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐18‐78
Temperature ‐ Field
5/2/2017 17.4 deg C
Turbidity ‐ Field
5/2/2017 8.09 NTU
Vinyl chloride
5/2/2017 1.4 ug/L
MW‐19‐110
Alkalinity, Total
5/2/2017 177000 ug/L
Barium, Total
5/2/2017 12.6 ug/L
Carbon Dioxide
5/2/2017 7800 ug/L
Chloride
5/2/2017 49800 ug/L
Chloroethane
5/2/2017 1.3 ug/L
Ethane
5/2/2017 0.069 ug/L
Ethene
5/2/2017 0.046 ug/L
Hydrogen
5/2/2017 1.9 nM
Iron, Total
5/2/2017 1840 ug/L
Methane
5/2/2017 330 ug/L
Nickel, Total
5/2/2017 5.1 ug/L
ORP ‐ Field
5/2/2017 ‐64.7 mV
pH ‐ Field
5/2/2017 7.3 Std. Units
Specific Conductivity ‐ Field
5/2/2017 505 umhos/cm
Sulfate
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 6 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐19‐110
Sulfate
5/2/2017 16600 ug/L
Temperature ‐ Field
5/2/2017 18.5 deg C
Total Organic Carbon
5/2/2017 3170 ug/L
Turbidity ‐ Field
5/2/2017 7.95 NTU
MW‐19‐75
1,1‐Dichloroethane
5/2/2017 1.2 ug/L
1,4‐Dichlorobenzene
5/2/2017 3.7 ug/L
Alkalinity, Total
5/2/2017 346000 ug/L
Barium, Total
5/2/2017 107 ug/L
Biochemical Oxygen Demand,
5/2/2017 5200 ug/L
Carbon Dioxide
5/2/2017 280000 ug/L
Chemical Oxygen Demand
5/2/2017 51000 ug/L
Chloride
5/2/2017 179000 ug/L
Chlorobenzene
5/2/2017 3.8 ug/L
Cobalt, Total
5/2/2017 10 ug/L
Ethane
5/2/2017 0.11 ug/L
Ethene
5/2/2017 0.048 ug/L
Hydrogen
5/2/2017 1.8 nM
Iron, Total
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 7 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐19‐75
Iron, Total
5/2/2017 13000 ug/L
Methane
5/2/2017 150 ug/L
Nickel, Total
5/2/2017 19 ug/L
ORP ‐ Field
5/2/2017 2.3 mV
pH ‐ Field
5/2/2017 6.2 Std. Units
Specific Conductivity ‐ Field
5/2/2017 1148 umhos/cm
Sulfate
5/2/2017 16000 ug/L
Temperature ‐ Field
5/2/2017 18.2 deg C
Total Organic Carbon
5/2/2017 10200 ug/L
Turbidity ‐ Field
5/2/2017 8.03 NTU
MW‐2
Alkalinity, Total
5/3/2017 56300 ug/L
Barium, Total
5/3/2017 27.5 ug/L
Carbon Dioxide
5/3/2017 58000 ug/L
Chloride
5/3/2017 2170 ug/L
Ethene
5/3/2017 0.012 ug/L
Hydrogen
5/3/2017 2 nM
Iron, Total
5/3/2017 800 ug/L
Methane
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 8 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐2
Methane
5/3/2017 0.21 ug/L
ORP ‐ Field
5/3/2017 100.5 mV
pH ‐ Field
5/3/2017 6.2 Std. Units
Specific Conductivity ‐ Field
5/3/2017 130 umhos/cm
Sulfate
5/3/2017 3350 ug/L
Temperature ‐ Field
5/3/2017 20.4 deg C
Turbidity ‐ Field
5/3/2017 9.24 NTU
MW‐21‐21
1,1‐Dichloroethane
5/3/2017 4.4 ug/L
1,2‐Dichlorobenzene
5/3/2017 2.6 ug/L
1,4‐Dichlorobenzene
5/3/2017 9.5 ug/L
Alkalinity, Total
5/3/2017 489000 ug/L
Barium, Total
5/3/2017 118 ug/L
Benzene
5/3/2017 1.2 ug/L
Carbon Dioxide
5/3/2017 230000 ug/L
Chemical Oxygen Demand
5/3/2017 52000 ug/L
Chloride
5/3/2017 123000 ug/L
Chlorobenzene
5/3/2017 14.7 ug/L
Chloroethane
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 9 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐21‐21
Chloroethane
5/3/2017 2.3 ug/L
cis‐1,2‐Dichloroethene
5/3/2017 9.8 ug/L
Cobalt, Total
5/3/2017 7.6 ug/L
Ethane
5/3/2017 0.064 ug/L
Ethene
5/3/2017 0.087 ug/L
Hydrogen
5/3/2017 1.8 nM
Iron, Total
5/3/2017 19100 ug/L
Methane
5/3/2017 350 ug/L
ORP ‐ Field
5/3/2017 6 mV
pH ‐ Field
5/3/2017 6.2 Std. Units
Specific Conductivity ‐ Field
5/3/2017 1218 umhos/cm
Sulfate
5/3/2017 29200 ug/L
Temperature ‐ Field
5/3/2017 15.9 deg C
Total Organic Carbon
5/3/2017 10500 ug/L
Turbidity ‐ Field
5/3/2017 25.65 NTU
Vanadium, Total
5/3/2017 6.1 ug/L
Vinyl chloride
5/3/2017 2.2 ug/L
MW‐21‐94
1,4‐Dichlorobenzene
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 10 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐21‐94
1,4‐Dichlorobenzene
5/3/2017 1.8 ug/L
Alkalinity, Total
5/3/2017 294000 ug/L
Barium, Total
5/3/2017 50.7 ug/L
Carbon Dioxide
5/3/2017 56000 ug/L
Chemical Oxygen Demand
5/3/2017 35000 ug/L
Chloride
5/3/2017 139000 ug/L
Chlorobenzene
5/3/2017 1.2 ug/L
Chloroethane
5/3/2017 4 ug/L
cis‐1,2‐Dichloroethene
5/3/2017 3.7 ug/L
Ethane
5/3/2017 0.18 ug/L
Ethene
5/3/2017 0.071 ug/L
Hydrogen
5/3/2017 6.6 nM
Iron, Total
5/3/2017 16400 ug/L
Methane
5/3/2017 810 ug/L
Nickel, Total
5/3/2017 9.9 ug/L
ORP ‐ Field
5/3/2017 ‐3.7 mV
pH ‐ Field
5/3/2017 6.5 Std. Units
Specific Conductivity ‐ Field
5/3/2017 892 umhos/cm
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 11 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐21‐94
Sulfate
5/3/2017 3180 ug/L
Temperature ‐ Field
5/3/2017 16.6 deg C
Total Organic Carbon
5/3/2017 7740 ug/L
Turbidity ‐ Field
5/3/2017 12.63 NTU
MW‐24‐160
Alkalinity, Total
5/4/2017 47400 ug/L
Barium, Total
5/4/2017 9.8 ug/L
Carbon Dioxide
5/4/2017 5500 ug/L
Chloride
5/4/2017 7660 ug/L
Hydrogen
5/4/2017 2.1 nM
Iron, Total
5/4/2017 172 ug/L
Methane
5/4/2017 0.19 ug/L
Nitrate (as N)
5/4/2017 103 ug/L
ORP ‐ Field
5/4/2017 157 mV
pH ‐ Field
5/4/2017 7.1 Std. Units
Specific Conductivity ‐ Field
5/4/2017 160 umhos/cm
Sulfate
5/4/2017 12700 ug/L
Temperature ‐ Field
5/4/2017 16.6 deg C
Turbidity ‐ Field
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 12 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐24‐160
Turbidity ‐ Field
5/4/2017 4.66 NTU
MW‐3
1,1‐Dichloroethane
4/28/2017 10.1 ug/L
1,4‐Dichlorobenzene
4/28/2017 9 ug/L
Barium, Total
4/28/2017 175 ug/L
Benzene
4/28/2017 1 ug/L
Chlorobenzene
4/28/2017 2.4 ug/L
Chloroethane
4/28/2017 4.3 ug/L
cis‐1,2‐Dichloroethene
4/28/2017 12 ug/L
Cobalt, Total
4/28/2017 17 ug/L
Nickel, Total
4/28/2017 13.4 ug/L
ORP ‐ Field
4/28/2017 ‐41.3 mV
pH ‐ Field
4/28/2017 6.2 Std. Units
Specific Conductivity ‐ Field
4/28/2017 1071 umhos/cm
Temperature ‐ Field
4/28/2017 18 deg C
Turbidity ‐ Field
4/28/2017 0.78 NTU
Vanadium, Total
4/28/2017 8.3 ug/L
Vinyl chloride
4/28/2017 3.5 ug/L
MW‐4
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 13 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐4
1,1‐Dichloroethane
5/3/2017 15.5 ug/L
1,4‐Dichlorobenzene
5/3/2017 8.8 ug/L
Alkalinity, Total
5/3/2017 418000 ug/L
Barium, Total
5/3/2017 729 ug/L
Cadmium, Total
5/3/2017 17.9 ug/L
Carbon Dioxide
5/3/2017 380000 ug/L
Chemical Oxygen Demand
5/3/2017 35000 ug/L
Chloride
5/3/2017 77700 ug/L
Chlorobenzene
5/3/2017 3.6 ug/L
Chloroethane
5/3/2017 3.1 ug/L
cis‐1,2‐Dichloroethene
5/3/2017 23 ug/L
Cobalt, Total
5/3/2017 84.7 ug/L
Ethane
5/3/2017 0.071 ug/L
Ethene
5/3/2017 0.024 ug/L
Hydrogen
5/3/2017 1.8 nM
Iron, Total
5/3/2017 12600 ug/L
Methane
5/3/2017 560 ug/L
Nickel, Total
5/3/2017 115 ug/L
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 14 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐4
ORP ‐ Field
5/3/2017 34.8 mV
pH ‐ Field
5/3/2017 6 Std. Units
Specific Conductivity ‐ Field
5/3/2017 965 umhos/cm
Sulfate
5/3/2017 28800 ug/L
Temperature ‐ Field
5/3/2017 16.6 deg C
Total Organic Carbon
5/3/2017 5910 ug/L
Turbidity ‐ Field
5/3/2017 5.17 NTU
Vanadium, Total
5/3/2017 13.6 ug/L
Vinyl chloride
5/3/2017 3.6 ug/L
Zinc, Total
5/3/2017 26.2 ug/L
MW‐4A
1,2‐Dichlorobenzene
5/4/2017 7.7 ug/L
1,4‐Dichlorobenzene
5/4/2017 62.8 ug/L
Barium, Total
5/4/2017 816 ug/L
Benzene
5/4/2017 5.4 ug/L
Chlorobenzene
5/4/2017 13.2 ug/L
Cobalt, Total
5/4/2017 39.5 ug/L
Ethylbenzene
5/4/2017 5.6 ug/L
Nickel, Total
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 15 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐4A
Nickel, Total
5/4/2017 11.9 ug/L
ORP ‐ Field
5/4/2017 28.8 mV
o‐Xylene
5/4/2017 5.7 ug/L
pH ‐ Field
5/4/2017 6.1 Std. Units
Specific Conductivity ‐ Field
5/4/2017 789 umhos/cm
Temperature ‐ Field
5/4/2017 17.9 deg C
Toluene
5/4/2017 3.4 ug/L
Turbidity ‐ Field
5/4/2017 5.18 NTU
Vanadium, Total
5/4/2017 25.7 ug/L
Xylene (total)
5/4/2017 8.5 ug/L
MW‐5
1,4‐Dichlorobenzene
4/28/2017 6.5 ug/L
Barium, Total
4/28/2017 145 ug/L
Chlorobenzene
4/28/2017 10.9 ug/L
Chloroethane
4/28/2017 1.3 ug/L
Cobalt, Total
4/28/2017 8.7 ug/L
Nickel, Total
4/28/2017 15.6 ug/L
ORP ‐ Field
4/28/2017 24.6 mV
pH ‐ Field
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 16 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐5
pH ‐ Field
4/28/2017 6.2 Std. Units
Specific Conductivity ‐ Field
4/28/2017 1326 umhos/cm
Temperature ‐ Field
4/28/2017 14.3 deg C
Turbidity ‐ Field
4/28/2017 0.95 NTU
MW‐6
1,1‐Dichloroethane
5/2/2017 4.1 ug/L
1,4‐Dichlorobenzene
5/2/2017 3.8 ug/L
Barium, Total
5/2/2017 1410 ug/L
Benzene
5/2/2017 1 ug/L
Chloride
5/2/2017 146000 ug/L
Chlorobenzene
5/2/2017 10.9 ug/L
Chloroethane
5/2/2017 3.9 ug/L
Cobalt, Total
5/2/2017 20.1 ug/L
Ethane
5/2/2017 0.17 ug/L
Ethene
5/2/2017 0.2 ug/L
Hydrogen
5/2/2017 2.5 nM
Iron, Total
5/2/2017 33400 ug/L
Methane
5/2/2017 710 ug/L
Nickel, Total
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 17 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐6
Nickel, Total
5/2/2017 9.1 ug/L
ORP ‐ Field
5/2/2017 ‐16.6 mV
pH ‐ Field
5/2/2017 6.1 Std. Units
Specific Conductivity ‐ Field
5/2/2017 1333 umhos/cm
Temperature ‐ Field
5/2/2017 12.2 deg C
Turbidity ‐ Field
5/2/2017 6.92 NTU
MW‐6‐192
1,1‐Dichloroethane
4/28/2017 1.2 ug/L
1,4‐Dichlorobenzene
4/28/2017 1.5 ug/L
Barium, Total
4/28/2017 69 ug/L
Chlorobenzene
4/28/2017 2.3 ug/L
ORP ‐ Field
4/28/2017 ‐97.2 mV
pH ‐ Field
4/28/2017 7.2 Std. Units
Specific Conductivity ‐ Field
4/28/2017 491 umhos/cm
Temperature ‐ Field
4/28/2017 17.1 deg C
Turbidity ‐ Field
4/28/2017 3.63 NTU
MW‐B
Barium, Total
4/28/2017 150 ug/L
cis‐1,2‐Dichloroethene
4/28/2017 4.9 ug/L
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 18 of 19
Well ID Parameter Sample Date Result Flags Units
MW‐B
ORP ‐ Field
4/28/2017 69.5 mV
pH ‐ Field
4/28/2017 6.6 Std. Units
Specific Conductivity ‐ Field
4/28/2017 607 umhos/cm
Temperature ‐ Field
4/28/2017 17.1 deg C
Turbidity ‐ Field
4/28/2017 26.26 NTU
Vinyl chloride
4/28/2017 1.7 ug/L
Zinc, Total
4/28/2017 13.7 ug/L
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 19 of 19
Surface Water Detection Summary Report
Buncombe County Old Facility
From:01/01/2017 To:06/06/2017
Well ID Parameter Sample Date Result Flags Units
SW‐1
Barium, Total
4/27/2017 16.7 ug/L
ORP ‐ Field
4/27/2017 150.6 mV
pH ‐ Field
4/27/2017 6.7 Std. Units
Specific Conductivity ‐ Field
4/27/2017 65 umhos/cm
Temperature ‐ Field
4/27/2017 16.4 deg C
Turbidity ‐ Field
4/27/2017 40.82 NTU
SW‐2
Barium, Total
4/27/2017 19.2 ug/L
ORP ‐ Field
4/27/2017 138.8 mV
pH ‐ Field
4/27/2017 7.6 Std. Units
Specific Conductivity ‐ Field
4/27/2017 56 umhos/cm
Temperature ‐ Field
4/27/2017 16.6 deg C
Turbidity ‐ Field
4/27/2017 20.17 NTU
SW‐2A
Barium, Total
4/27/2017 32.3 ug/L
ORP ‐ Field
4/27/2017 164.5 mV
pH ‐ Field
4/27/2017 7.5 Std. Units
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 1 of 2
Well ID Parameter Sample Date Result Flags Units
SW‐2A
Specific Conductivity ‐ Field
4/27/2017 268 umhos/cm
Temperature ‐ Field
4/27/2017 16.5 deg C
Turbidity ‐ Field
4/27/2017 5.09 NTU
SW‐3
Barium, Total
4/27/2017 106 ug/L
ORP ‐ Field
4/27/2017 118.5 mV
pH ‐ Field
4/27/2017 6.9 Std. Units
Specific Conductivity ‐ Field
4/27/2017 498 umhos/cm
Temperature ‐ Field
4/27/2017 16.4 deg C
Turbidity ‐ Field
4/27/2017 28.4 NTU
SW‐4
Barium, Total
4/27/2017 47.3 ug/L
Nickel, Total
4/27/2017 11.5 ug/L
ORP ‐ Field
4/27/2017 168.9 mV
pH ‐ Field
4/27/2017 7.2 Std. Units
Specific Conductivity ‐ Field
4/27/2017 1061 umhos/cm
Temperature ‐ Field
4/27/2017 15.8 deg C
Turbidity ‐ Field
4/27/2017 1.78 NTU
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 2 of 2
Solid Waste Services
Old Buncombe County Landfill Semi-Annual Sampling Report
APPENDIX D
SUMMARY OF EXCEEDANCES
Groundwater MCL Exceedance Summary Report
Buncombe County Old Facility
From:01/01/2017 To:06/06/2017
Well ID Parameter Sample Date Result Flags UnitsMCL
MW‐12‐25
Vanadium, Total 0.3
4/28/2017 5.9 ug/L
MW‐13‐132
Benzene 1
5/4/2017 1.1 ug/L
Iron, Total 300
5/4/2017 11600 ug/L
MW‐13‐35
Benzene 1
4/28/2017 2.8 ug/L
MW‐15
Chromium, Total 10
4/28/2017 18.3 ug/L
MW‐18‐78
Cobalt, Total 1
5/2/2017 15.1 ug/L
Iron, Total 300
5/2/2017 24900 ug/L
Vinyl chloride 0.03
5/2/2017 1.4 ug/L
MW‐19‐110
Iron, Total 300
5/2/2017 1840 ug/L
MW‐19‐75
Cobalt, Total 1
5/2/2017 10 ug/L
Iron, Total 300
5/2/2017 13000 ug/L
MW‐2
Iron, Total 300
5/3/2017 800 ug/L
MW‐21‐21
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 1 of 3
Well ID Parameter Sample Date Result Flags UnitsMCL
MW‐21‐21
Benzene 1
5/3/2017 1.2 ug/L
Cobalt, Total 1
5/3/2017 7.6 ug/L
Iron, Total 300
5/3/2017 19100 ug/L
Vanadium, Total 0.3
5/3/2017 6.1 ug/L
Vinyl chloride 0.03
5/3/2017 2.2 ug/L
MW‐21‐94
Iron, Total 300
5/3/2017 16400 ug/L
MW‐3
1,1‐Dichloroethane 6
4/28/2017 10.1 ug/L
Cobalt, Total 1
4/28/2017 17 ug/L
Vanadium, Total 0.3
4/28/2017 8.3 ug/L
Vinyl chloride 0.03
4/28/2017 3.5 ug/L
MW‐4
1,1‐Dichloroethane 6
5/3/2017 15.5 ug/L
Barium, Total 700
5/3/2017 729 ug/L
Cadmium, Total 2
5/3/2017 17.9 ug/L
Cobalt, Total 1
5/3/2017 84.7 ug/L
Iron, Total 300
5/3/2017 12600 ug/L
Nickel, Total 100
5/3/2017 115 ug/L
Vanadium, Total 0.3
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 2 of 3
Well ID Parameter Sample Date Result Flags UnitsMCL
MW‐4
Vanadium, Total 0.3
5/3/2017 13.6 ug/L
Vinyl chloride 0.03
5/3/2017 3.6 ug/L
MW‐4A
Barium, Total 700
5/4/2017 816 ug/L
Benzene 1
5/4/2017 5.4 ug/L
Cobalt, Total 1
5/4/2017 39.5 ug/L
Vanadium, Total 0.3
5/4/2017 25.7 ug/L
MW‐5
Cobalt, Total 1
4/28/2017 8.7 ug/L
MW‐6
Barium, Total 700
5/2/2017 1410 ug/L
Cobalt, Total 1
5/2/2017 20.1 ug/L
Iron, Total 300
5/2/2017 33400 ug/L
MW‐B
Vinyl chloride 0.03
4/28/2017 1.7 ug/L
U = Indicates that the compound was analyzed for but not detected.
BDL = Indicates that the compound was analyzed for but not detected.
I = The reported value is between the laboratory method detection limit and the laboratory practical quatitation limit.
V = Indicates the anlyte was detected in both the sample and the associated method blank.
Monday, June 19, 2017 Page 3 of 3