HomeMy WebLinkAboutWA-641_9274_CA_RPTS_20200218_RMR PERIODIC MONITORING REPORT UST SITES MCAS CHERRY POINT MARINE CORPS AIR STATION CHERRY POINT, NORTH CAROLINA VOLUME I SECOND SEMESTER (JULY 2019 - DECEMBER 2019) CONTRACT NO. N40085-19-D-9050 ITMS, INC. PROJECT NOs. 9050-03-5510 & 9050-05-TBD CATLIN ENGINEERS AND SCIENTISTS PROJECT NO. 219001 PREPARED FOR: ITMS, INC. 5601 VIRGINIA BEACH BLVD., SUITE 101 VIRGINIA BEACH, VIRGINIA
Prepared By:
220 Old Dairy Road
Wilmington, NC 28405
(910) 452-5861
CORPORATE LICENSURE NO. FOR ENGINEERING SERVICES C-0585
NC CORPORATE NUMBER FOR GEOLOGY SERVICES : C-118
PERIODIC MONITORING REPORT MCAS CHERRY POINT UST CLOSURE AND MANAGEMENT PROGRAM FOR UST SITES VOLUME I SECOND SEMESTER 2019 (JULY 2019 THROUGH DECEMBER 2019) MCAS CHERRY POINT FEBRUARY 18, 2020 WARNING: This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under the FOi Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official. ITMS, INC. CONTRACT NO. N40085-19-D-9050 ITMS, INC. PROJECT NOs. 9050-03-5510 & 9050-05-TBD CATLIN ENGINEERS AND SCIENTISTS PROJECT NO. 219001 PREPARED FOR: ITMS, INC. 5601 VIRGINIA BEACH BLVD. -SUITE 101 VIRGINIA BEACH, VA 23462 (757) 965-8491 PREPARED BY: CATLIN ENGINEERS AND SCIENTISTS 220 OLD DAIRY ROAD WILMINGTON, NORTH CAROLINA 28405 (910) 452-5861
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TABLE OF CONTENTS PERIODIC MONITORING REPORT
MCAS CHERRY POINT UST CLOSURE AND MANAGEMENT PROGRAM FOR UST SITES SITES AT MCAS CHERRY POINT, NORTH CAROLINA
INTRODUCTION NARRATIVE TABLE I INDEX OF SITES FOR THIS REPORT TABLE II CAMP SAMPLING SCHEDULE
TABLE III INDEX OF CLOSED SITES SINCE 1998
TABLE IV HISTORY OF NC REGULATORY STANDARDS TABLE V INDEX OF INJECTION PERMIT SITES TABLE VI FREE PRODUCT RECOVERY TOTAL (LAST TWO YEARS) FIGURE I FACILITY LOCATIONS MAP
FIGURE II MCAS CHERRY POINT SITE LOCATIONS MAP 1.0 SITE 130 EXECUTIVE SUMMARY
TABLE 1.1A SITE 130 FIELD MEASUREMENTS
TABLE 1.1B SITE 130 HISTORICAL FIELD MEASUREMENT DATA TABLE 1.2A SITE 130 GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B TABLE 1.2B SITE 130 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - SM 6200B
TABLE 1.3A SITE 130 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 1.3B SITE 130 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD
625
FIGURE 1.1 SITE 130 FREE PRODUCT PLUME MAP AS OF AUGUST 2019 FIGURE 1.2 SITE 130 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L
– UST COMPOUNDS - AS OF AUGUST 2019 FIGURE 1.3 SITE 130 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY
AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019
2.0 SITE 133 EXECUTIVE SUMMARY
TABLE 2.1A SITE 133 FIELD MEASUREMENTS
TABLE 2.1B SITE 133 HISTORICAL FIELD MEASUREMENT DATA TABLE 2.2A SITE 133 GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B
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TABLE OF CONTENTS – continued 2.0 SITE 133 - (cont.)
TABLE 2.2B SITE 133 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - SM 6200B TABLE 2.3A SITE 133 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 2.3B SITE 133 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625
TABLE 2.4 SITE 133 HISTORICAL EFFLUENT LABORATORY ANALYTICAL RESULTS FIGURE 2.1 SITE 133 FREE PRODUCT PLUME MAP AS OF AUGUST 2019 FIGURE 2.2A SITE 133 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L
– UST COMPOUNDS AS OF AUGUST 2019 – UPPER SURFICIAL
AQUIFER FIGURE 2.2B SITE 133 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L
– UST COMPOUNDS AS OF AUGUST 2019 – LOWER SURFICIAL AQUIFER
FIGURE 2.3A SITE 133 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY
AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER SURFICIAL AQUIFER FIGURE 2.3B SITE 133 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – LOWER
SURFICIAL AQUIFER 3.0 SITE 137 EXECUTIVE SUMMARY TABLE 3.1 SITE 137 HISTORICAL FIELD MEASUREMENT DATA
TABLE 3.2 SITE 137 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - SM 6200B TABLE 3.3 SITE 137 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 3.4 SITE 137 EFFLUENT AIR LABORATORY ANALYTICAL RESULTS
TABLE 3.5 SITE 137 HISTORICAL EFFLUENT LABORATORY ANALYTICAL
RESULTS FIGURE 3.1 SITE 137 FREE PRODUCT PLUME MAP AS OF DECEMBER 2019 4.0 SITE 1083
EXECUTIVE SUMMARY TABLE 4.1A SITE 1083 FIELD MEASUREMENTS TABLE 4.1B SITE 1083 HISTORICAL FIELD MEASUREMENT DATA TABLE 4.2A SITE 1083 GROUNDWATER LABORATORY ANALYTICAL RESULTS
- EPA METHOD 602 BY SM 6200B
TABLE 4.2B SITE 1083 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B
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TABLE OF CONTENTS – continued 4.0 SITE 1083 - (cont.)
TABLE 4.3A SITE 1083 GROUNDWATER LABORATORY ANALYTICAL RESULTS
- EPA METHOD 610 BY EPA METHOD 625 TABLE 4.3B SITE 1083 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 AND EPA METHOD 8260B (NAPHTHALENE ONLY)
FIGURE 4.1 SITE 1083 FREE PRODUCT PLUME MAP AS OF SEPTEMBER 2019
FIGURE 4.2 SITE 1083 EPA METHOD 602 BY SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF SEPTEMBER 2019 FIGURE 4.3 SITE 1083 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF SEPTEMBER 2019
5.0 SITE 1640 EXECUTIVE SUMMARY TABLE 5.1A SITE 1640 FIELD MEASUREMENTS
TABLE 5.1B SITE 1640 HISTORICAL FIELD MEASUREMENT DATA
TABLE 5.2A SITE 1640 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B TABLE 5.2B SITE 1640 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B
TABLE 5.3A SITE 1640 GROUNDWATER LABORATORY ANALYTICAL RESULTS
- EPA METHOD 610 BY EPA METHOD 625 TABLE 5.3B SITE 1640 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 5.4A SITE 1640 GROUNDWATER LABORATORY ANALYTICAL RESULTS
– MADEP VPH/EPH
TABLE 5.4B SITE 1640 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS – MADEP VPH/EPH FIGURE 5.1 SITE 1640 FREE PRODUCT PLUME MAP AS OF AUGUST 2019 FIGURE 5.2A SITE 1640 EPA METHOD 602 BY SM 6200B COLORIMETRY AND
PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER
SURFICAL AQUIFER FIGURE 5.2B SITE 1640 EPA METHOD 602 BY SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – LOWER SURFICAL AQUIFER
FIGURE 5.3A SITE 1640 EPA METHOD 610 BY EPA METHOD 625
COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER SURFICAL AQUIFER FIGURE 5.3B SITE 1640 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – LOWER
SURFICAL AQUIFER
FIGURE 5.4A SITE 1640 MADEP VPH/EPH COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER SURFICAL AQUIFER
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TABLE OF CONTENTS – continued 5.0 SITE 1640 - (cont.)
FIGURE 5.4B SITE 1640 MADEP VPH/EPH COLORIMETRY AND PLUME IN
EXCESS OF 2L AS OF AUGUST 2019 – LOWER SURFICAL AQUIFER 6.0 SITE 3996
EXECUTIVE SUMMARY TABLE 6.1A SITE 3996 FIELD MEASUREMENTS – THIRD QUARTER 2019 TABLE 6.1B SITE 3996 FIELD MEASUREMENTS – FOURTH QUARTER 2019 TABLE 6.1C SITE 3996 HISTORICAL FIELD MEASUREMENT DATA
TABLE 6.2A SITE 3996 GROUNDWATER LABORATORY ANALYTICAL RESULTS
- SM 6200B – THIRD QUARTER 2019 TABLE 6.2B SITE 3996 GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B – FOURTH QUARTER 2019 TABLE 6.2C SITE 3996 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - SM 6200B
TABLE 6.3A SITE 3996 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 – THIRD QUARTER 2019 TABLE 6.3B SITE 3996 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 – FOURTH QUARTER
2019
TABLE 6.3C SITE 3996 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 FIGURE 6.1A SITE 3996 FREE PRODUCT PLUME MAP AS OF AUGUST 2019 FIGURE 6.1B SITE 3996 FREE PRODUCT PLUME MAP AS OF NOVEMBER 2019
FIGURE 6.2A SITE 3996 SM 6200B COLORIMETRY AND PLUME IN EXCESS
OF 2L - UST COMPOUNDS AS OF AUGUST 2019 FIGURE 6.2B SITE 3996 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L - UST COMPOUNDS AS OF NOVEMBER 2019 FIGURE 6.3A SITE 3996 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY
AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019
FIGURE 6.3B SITE 3996 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF NOVEMBER 2019 7.0 SITE 4075
EXECUTIVE SUMMARY TABLE 7.1A SITE 4075 FIELD MEASUREMENTS TABLE 7.1B SITE 4075 HISTORICAL FIELD MEASUREMENT DATA TABLE 7.2A SITE 4075 GROUNDWATER LABORATORY ANALYTICAL RESULTS
- SM 6200B
TABLE 7.2B SITE 4075 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B TABLE 7.3A SITE 4075 GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625
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TABLE OF CONTENTS – continued 7.0 SITE 4075 - (cont.)
TABLE 7.3B SITE 4075 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 7.4 SITE 4075 HISTORICAL EFFLUENT LABORATORY ANALYTICAL RESULTS FIGURE 7.1 SITE 4075 FREE PRODUCT PLUME MAP AS OF AUGUST 2019
FIGURE 7.2A SITE 4075 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF
2L – UST COMPOUNDS AS OF AUGUST 2019 – UPPER SURFICIAL AQUIFER FIGURE 7.2B SITE 4075 SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L – UST COMPOUNDS AS OF FEBRUARY 2019 – LOWER
SURFICIAL AQUIFER
FIGURE 7.3A SITE 4075 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER SURFICIAL AQUIFER FIGURE 7.3B SITE 4075 EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY
AND PLUME IN EXCESS OF 2L AS OF FEBRUARY 2019 – LOWER
SURFICIAL AQUIFER 8.0 SITE PIT 6
EXECUTIVE SUMMARY
TABLE 8.1 SITE PIT 6 HISTORICAL FIELD MEASUREMENT DATA TABLE 8.2 SITE PIT 6 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B TABLE 8.3 SITE PIT 6 HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625
FIGURE 8.1 SITE PIT 6 FREE PRODUCT PLUME MAP AS OF DECEMBER 2019 9.0 SITE PIT 15
EXECUTIVE SUMMARY
TABLE 9.1 SITE PIT 15 HISTORICAL FIELD MEASUREMENT DATA TABLE 9.2A SITE PIT 15 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B TABLE 9.2B SITE PIT 15 HISTORICAL SURFACE WATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B
TABLE 9.3A SITE PIT 15 HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 9.3B SITE PIT 15 HISTORICAL SURFACE WATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625
FIGURE 9.1 SITE PIT 15 FREE PRODUCT PLUME MAP AS OF DECEMBER
2019
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TABLE OF CONTENTS – continued 10.0 SITE TFB
EXECUTIVE SUMMARY
TABLE 10.1A SITE TFB FIELD MEASUREMENTS TABLE 10.1B SITE TFB HISTORICAL FIELD MEASUREMENT DATA TABLE 10.2A SITE TFB GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B
TABLE 10.2B SITE TFB HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - SM 6200B TABLE 10.3A SITE TFB GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 10.3B SITE TFB HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625
TABLE 10.4 SITE TFB EFFLUENT AIR LABORATORY ANALYTICAL RESULTS FIGURE 10.1 SITE TFB FREE PRODUCT PLUME MAP AS OF AUGUST 2019 FIGURE 10.2A SITE TFB SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 – UPPER SURFICIAL AQUIFER
FIGURE 10.2B SITE TFB SM 6200B COLORIMETRY AND PLUME IN EXCESS OF
2L AS OF FEBRUARY 2019 – LOWER SURFICIAL AQUIFER FIGURE 10.2C SITE TFB SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF FEBRUARY 2019 – UPPER YORKTOWN AQUIFER FIGURE 10.3A SITE TFB EPA METHOD 610 BY EPA METHOD 625
COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST
2019 – UPPER SURFICIAL AQUIFER FIGURE 10.3B SITE TFB EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF FEBRUARY 2019 – LOWER SURFICIAL AQUIFER
FIGURE 10.3C SITE TFB EPA METHOD 610 BY EPA METHOD 625
COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF FEBRUARY 2019 – UPPER YORKTOWN AQUIFER 11.0 SITE TFD
EXECUTIVE SUMMARY TABLE 11.1 SITE TFD HISTORICAL FIELD MEASUREMENT DATA TABLE 11.2 SITE TFD HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS – EPA METHOD 602 BY SM 6200B
TABLE 11.3 SITE TFD HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS – EPA METHOD 610 BY EPA METHOD 625 TABLE 11.4 SITE TFD HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS – MADEP VPH/EPH FIGURE 11.1 SITE TFD FREE PRODUCT PLUME MAP AS OF DECEMBER 2019
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TABLE OF CONTENTS – continued 12.0 SITE 2ND LAAD
EXECUTIVE SUMMARY
TABLE 12.1A SITE 2ND LAAD FIELD MEASUREMENTS TABLE 12.1B SITE 2ND LAAD HISTORICAL FIELD MEASUREMENT DATA TABLE 12.2A SITE 2ND LAAD GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B
TABLE 12.2B SITE 2ND LAAD HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - EPA METHOD 602 BY SM 6200B TABLE 12.2C SITE 2ND LAAD HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - SM 6200B TABLE 12.3A SITE 2ND LAAD GROUNDWATER LABORATORY ANALYTICAL
RESULTS - EPA METHOD 610 BY EPA METHOD 625
TABLE 12.3B SITE 2ND LAAD HISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS - EPA METHOD 610 BY EPA METHOD 625 TABLE 12.4A SITE 2ND LAAD GROUNDWATER LABORATORY ANALYTICAL RESULTS - MADEP VPH/EPH
TABLE 12.4B SITE 2ND LAAD HISTORICAL GROUNDWATER LABORATORY
ANALYTICAL RESULTS - MADEP VPH/EPH TABLE 12.5 SITE 2ND LAAD EFFLUENT AIR LABORATORY ANALYTICAL RESULTS FIGURE 12.1 SITE 2ND LAAD FREE PRODUCT PLUME MAP AS OF AUGUST
2019
FIGURE 12.2 SITE 2ND LAAD EPA METHOD 602 BY SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 FIGURE 12.3 SITE 2ND LAAD EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST
2019
FIGURE 12.4 SITE 2ND LAAD MADEP VPH/EPH COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019
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INTRODUCTION The purpose of this Periodic Monitoring Report is to present the results of recent monitoring
events performed at petroleum release sites located at Marine Corps Air Station Cherry Point
(MCAS Cherry Point). Monitoring and reporting is being performed in accordance with the
MCAS Cherry Point UST Closure and Management Program adopted by MCAS Cherry Point Environmental Affairs Department. A listing of sites for which sampling results are included in this Periodic Monitoring Report is presented in Table I and locations of these sites are shown
on Figure I and Figure II.
This Periodic Monitoring Report is designed such that all data and information pertaining to any individual site is contained entirely within one section of the report and each section is devoted entirely to one site. Therefore, each section serves as a stand-alone monitoring report for the
respective site. Each section begins with an Executive Summary which provides information
about location, monitoring, groundwater hydraulics, free-phase product plumes, dissolved-phase plumes, potential receptors, and remediation at the site. Each Executive Summary is supported by several site-specific tables and figures.
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TABLE I
INDEX OF SITES FOR THIS REPORT
SITE NAME NCDEQ
INCIDENT NO. SITE LOCATION REPORT
SECTION NO.
130 38785 (Formerly
31591) MCAS Cherry Point 1.0
133 7144, 9739, 9741 MCAS Cherry Point 2.0
137 6443 MCAS Cherry Point 3.0
1083 9839 MCAS Cherry Point 4.0
1640 9274 MCAS Cherry Point 5.0
3996 31591 MCAS Cherry Point 6.0
4075 6360, 9950, 9140 9276 MCAS Cherry Point 7.0
Pit 6 31501 MCAS Cherry Point 8.0
Pit 15 18715 MCAS Cherry Point 9.0
TFB 6359 MCAS Cherry Point 10.0
TFD 9265 MCAS Cherry Point 11.0
2nd LAAD 38152 MCAS Cherry Point 12.0
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TABLE II
CAMP SAMPLING SCHEDULE
SECTION SITE ID GW MONITORING FREQUENCY
PROPOSED SAMPLING DATES
AIR SAMPLING FREQUENCY
WASTE STREAM SAMPLING FREQUENCY
1 130 Annual August 2020 NA NA
2 133 Annual August 2020 NA Annual - 4th Quarter 2020
3 137 Annual February 2020 Annual - 4th Quarter 2020 Annual - 4th Quarter 2020
4 1083 Semi-Annual February 2020 NA NA August 2020
5 1640 Annual August 2020 NA NA
6 3996 No Sampling Planned
7 4075
Semi-Annual - Lower February 2020 NA Annual - 4th Quarter 2020 Semi-Annual - Upper August 2020
8 Pit 6 Annual February 2020 NA NA
9 Pit 15 Annual February 2020 NA NA
10 TFB
Semi-Annual – Lower/York February 2020 Annual - 4th Quarter 2020 NA Semi-Annual –Upper August 2020
11 TFD Annual February 2020 NA NA
12 2nd LAAD Semi-Annual February 2020 Annual - 4th Quarter 2020 NA August 2020
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TABLE III
INDEX OF CLOSED SITES SINCE 1998
SITE NAME SITE LOCATION NCDEQ
INCIDENT NO.
DATE CLOSED
BY NCDEQ
8048 MCAS Cherry Point Not Issued 2/11/1998
1021 MCAS Cherry Point Not Issued 12/11/1998
1648 MCAS Cherry Point 14837 12/11/1998
497 MCAS Cherry Point 18514 12/18/1998
1779 MCAS Cherry Point Not Issued 12/18/1998
248 MCAS Cherry Point Not Issued 12/18/1998
3916 MCAS Cherry Point Not Issued 1/11/1999
1010 MCAS Cherry Point 19235 3/11/1999
1228 MCAS Cherry Point 19236 3/11/1999
1290 MCAS Cherry Point 19234 3/11/1999
498 MCAS Cherry Point 13133 12/7/1999
160 MCAS Cherry Point 13132 12/7/1999
85 MCAS Cherry Point 11277 2/10/2000
1786-3* MCAS Cherry Point 9273 2/10/2000
491* MCAS Cherry Point 12516 5/7/2000
1005-2 MCAS Cherry Point 8990 5/7/2000
1696 MCAS Cherry Point 14837 5/7/2000
3907* MCAS Cherry Point 14573 5/7/2000
8052 MCAS Cherry Point 7493 8/31/2000
487* MCAS Cherry Point 8308 10/17/2000
3904* MCAS Cherry Point 15120 2/21/2001
MTFP* MCAS Cherry Point 9839 7/26/2001
Old CP Hydrant MCAS Cherry Point Not Issued 8/28/2001
Atlantic Hydrant System MCAS Cherry Point Not Issued 4/2/2002
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TABLE III - continued
INDEX OF CLOSED SITES SINCE 1998
SITE NAME SITE LOCATION NCDEQ
INCIDENT NO.
DATE CLOSED
BY NCDEQ
1786* MCAS Cherry Point 9373 9/13/2002
Pit 6 MCAS Cherry Point 31023 11/26/2002
296* MCAS Cherry Point 9951 1/22/2003
Hertford #4 MCAS Cherry Point 31069 1/28/2003
TFC* MCAS Cherry Point 6906 3/11/2003
1701 MCAS Cherry Point Not Issued 3/12/2003
3982 MCAS Cherry Point Not Issued 6/9/2003
7012 MCAS Cherry Point 15275 10/20/2003
927* MCAS Cherry Point Not Issued 3/29/2004
Segment 22 JP-5 Pipeline MCAS Cherry Point 31269 5/4/2004
Segment 24 JP-5 Pipeline MCAS Cherry Point 31271 5/5/2004
Segment 2 JP-5 Pipeline MCAS Cherry Point 31272 5/6/2004
Segment 1 JP-5 Pipeline MCAS Cherry Point 31273 5/7/2004
Segment 14 JP-5
Pipeline MCAS Cherry Point 31285 6/2/2004
Segment 15 JP-5
Pipeline MCAS Cherry Point 31287 6/2/2004
Segment 16 JP-5
Pipeline MCAS Cherry Point 31286 6/2/2004
8052/TAFDS MCAS Cherry Point Not Issued 9/9/2004
Lifts A and B MCAS Cherry Point Part of 6360 12/13/2004
Pit 1 MCAS Cherry Point 31390 12/17/2004
82-AT MCAS Cherry Point 32128 6/20/2005
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TABLE III – continued
INDEX OF CLOSED SITES SINCE 1998
SITE NAME SITE LOCATION NCDEQ
INCIDENT NO.
DATE CLOSED
BY NCDEQ
82-Bogue MCAS Cherry Point Not Issued 9/21/2005
84-Bogue MCAS Cherry Point 32254 9/21/2005
85-Bogue MCAS Cherry Point 32255 9/21/2005
86-Bogue MCAS Cherry Point 32256 9/21/2005
1783* MCAS Cherry Point 9275 10/27/2005
486* MCAS Cherry Point 9264 11/7/2005
1958 MCAS Cherry Point 31600 5/8/2006
MWSS-274 MCAS Cherry Point 85579 8/7/2006
1672* MCAS Cherry Point 6905 3/19/2007
TFB Transfer Lines (Soils Only) MCAS Cherry Point 6359 3/2/2009
TAFDS MCAS Cherry Point 15256 1/5/2010
100 Gates Road MCAS Cherry Point 31974 1/11/2010
1773* MCAS Cherry Point 31691 3/2/2010
P-120 Sec 1 GW1 MCAS Cherry Point 31956 5/5/2010
P-120 Sec 1 GW2 MCAS Cherry Point 31956 5/5/2010
P-120 Sec 2 GW2 MCAS Cherry Point 38073 10/20/2010
56 Gates Road MCAS Cherry Point 38151 12/3/2010
64 Gates Road MCAS Cherry Point 38149 12/13/2010
62 Gates Road MCAS Cherry Point 38157 1/3/2011
29 Gates Road MCAS Cherry Point 38164 1/11/2011
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TABLE III – continued
INDEX OF CLOSED SITES SINCE 1998
SITE NAME SITE LOCATION NCDEQ
INCIDENT NO.
DATE CLOSED
BY NCDEQ
68 Gates Road MCAS Cherry Point 38150 2/1/2011
66 Gates Road MCAS Cherry Point 38174 3/3/2011
137 Conveyance Piping MCAS Cherry Point 31920 3/14/2011
P-120 Sec 2 GW1 (Fuel Hydrant System) MCAS Cherry Point 38069 6/30/2011
P-120 Sec 2 GW2 MCAS Cherry Point 38069 6/30/2011
24 Gates Road MCAS Cherry Point 38246 10/19/2011
Lanham Housing,
Site 621 MCAS Cherry Point 38247 10/19/2011
9 Gates UST MCAS Cherry Point 38266 1/23/2012
NADEP Washrack Pipeline MCAS Cherry Point 93139 4/10/2012
1640 Tarmac MCAS Cherry Point Not Issued 4/12/2012
Lanham Housing,
Nash Road MCAS Cherry Point 38338 12/4/2013
78 Catawba, Nugent
Cove MCAS Cherry Point 38495 5/29/2014
Tower Valve Box* MCAS Cherry Point 31252 2/19/2015
Pit 12* MCAS Cherry Point 31356 12/19/2017
121* MCAS Cherry Point 31238 10/19/2018
Segment 20* MCAS Cherry Point 31312 1/15/2020
* Indicates site was included in the UST Closure and Management Program
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TABLE IV
HISTORY OF NC REGULATORY STANDARDS
Parameter Previous NC 2L Standard (ug/L)
Current/Interim NC 2L Standard (ug/L)
Effective Change Date of Current/Interim NC 2L Standard
Acetic Acid NE 5000 4/4/2018
Acetochlor NE 100 12/1/2010
Acetochlor ESA NE 1000 12/1/2010
Acetochlor OXA NE 1000 12/1/2010
Acetophenone NE 700 4/1/2011
Acrolein NE 4 10/1/2010
Alachlor NE 0.4 8/1/2010
Aldrin NE 0.002 10/1/2010
Ammonia NE 1,500 8/1/2010
Antimony NE 1 8/1/2010
Benzaldehyde NE 700 4/1/2011
Benzyl Alcohol NE 700 10/1/2010
Beryllium NE 4 10/1/2010
Bromomethane NE 10 8/1/2010
Butanol, n- (n-butyl alcohol) NE 700 8/1/2010
Butanol, sec- (sec-butyl alcohol) NE 10,000 10/1/2010
Butanol, tert- (tert-butyl alcohol) NE 10 6/1/2011
Carbazole NE 2 4/1/2011
4-Chlorotoluene NE 24 10/1/2010
Cobalt NE 1 10/1/2010
Dalapon NE 200 8/1/2010
Dibenzofuran NE 28 5/24/1999
1,4-Dibromobenzene NE 70 8/1/2010
Dibromomethane NE 70 10/1/2010
Dichloroacetic Acid NE 0.7 10/1/2010
1,2-Dichloroethylene, mixed
isomers NE 60 10/1/2010
2,4-Dichlorophenol NE 0.98 8/1/2010
DDE NE 0.1 8/1/2010
Dinoseb NE 7 8/1/2010
Diphenyl Ether NE 100 4/1/2011
2,4-Dinitrotoluene NE 0.1 4/1/2011
Diquat NE 20 8/1/2010
Endosulfan sulfate NE 40 4/1/2011
MCAS Cherry Point FY-19; 219001VOL1.RPT44 CATLIN Engineers and Scientists
CATLIN Project No. 219001 February 2020
TABLE IV – continued
HISTORY OF NC REGULATORY STANDARDS
Parameter Previous NC 2L Standard (ug/L)
Current/Interim NC 2L Standard (ug/L)
Effective Change Date of Current/Interim NC 2L Standard
Endothall NE 100 8/1/2010
Ethanol (ethyl alcohol) NE 4,000 4/1/2011
Ethyl tert-butyl ether (ETBE) NE 47 4/1/2011
alpha-Hexachlorocyclohexane NE 0.006 4/1/2011
beta-Hexachlorocyclohexane NE 0.02 4/1/2011
2-Hexanone NE 40 4/1/2011
4-Isopropyltoluene (p-cymene) NE 25 4/1/2011
Methyl Isobutyl Ketone NE 100 12/1/2010
Methyl Methacrylate NE 25 8/1/2010
1-Methylnaphthalene NE 1 4/1/2011
2-Methyl phenol (o-cresol) NE 400 4/1/2011
Perchlorate & Perchlorate Salts NE 2 12/1/2010
Perfluorooctanoic acid (PFOA;C8) NE 2 12/6/2006
Picramic Acid NE 0.7 10/1/2010
Polychlorinated Biphenyls NE 0.09 10/1/2010
Propylene Glycol NE 140,000 7/16/2012
Tert-Amyl Methyl Ether (TAME) NE 128 4/1/2011
1,2,4,5-Tetrachlorobenzene NE 2 8/1/2010
1,1,1,2-Tetrachloroethane NE 1 8/1/2010
Thallium NE 0.2 10/1/2010
Tin NE 2,000 10/1/2010
p-Toluic Acid NE 35 4/4/2018
1,1,2-Trichloroethane NE 0.6 8/1/2010
2,4,5-Trichlorophenol NE 63 10/1/2010
2,4,6-Trichlorophenol NE 4 10/1/2010
Vanadium (excluding vanadium pentoxide) NE 0.3 10/1/2010
Vinyl Acetate NE 88 10/1/2010
NE = Not established
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TABLE V
INDEX OF INJECTION PERMIT SITES
SITE NAME PERMIT No.
INJECTION TYPE
DATE PERMIT APPLICATION RECEIVED BY NCDEQ
DATE PERMIT APPROVED BY NCDEQ
DATE PERMIT MODIFIED
DATE OF PERMIT EXPIRATION
DATE FINAL PROJECT EVALUATION RECEIVED BY NCDEQ
NCDEQ CLOSEOUT DATE
121 WI0700208
GW Tracer, Surfactant, nutrients, bacteria
2/3/11 10/6/11 Mod. 6/4/13 Ext.
6/21/11 10/31/11Mod 6/30/13 Ext.
10/6/11 6/30/18 1/15/15 10/19/18
1083 WQ0035748
Surfactant Recirculation
1/6/12 Renewal 9/16/13
4/6/12 Renewal 11/8/13
Renewed 11/8/13
Original 3/31/14 Renewed 3/31/19
Not Submitted Yet
Not Applicable Yet
1773 WI0700106 Surfactant 5/10/07 8/20/07 Currently None 8/31/09 2/25/09 3/25/11
8049 WI0800160 Surfactant 12/5/08 6/15/09 Mod.
3/25/09 6/16/09
Mod.
6/15/09 2/28/11 6/7/10 4/13/11
8049 WI800336 ORC™ Filter Socks 5/13/13 5/14/13 Currently None Unknown Not Applicable Not Applicable
Pit 11 WI0700227 RegenOx™ 5/31/11 7/14/11 Currently None 6/30/13
Report Submitted by EAD 3/20/13
12/19/17
Pit 11 Mod WI0700208
Surfactant, nutrients, bacteria
10/6/11 (Mod. of Bldg. 121 permit)
10/31/11 (Mod. of Bldg. 121 permit)
10/6/11 5/31/13
Report Submitted by EAD 3/20/13
12/19/17
TVB WI0700255
Surfactant, nutrients, bacteria 10/19/11 12/15/11 Currently None 11/31/14 Report Submitted by EAD 7/14/14 7/24/14
2nd LAAD WI0700320 Ambient Air 3/14/13 3/20/13 Currently None Unknown Not Applicable Not Applicable
Site 130 133 137 1083 1640 3996 4075 B 4075 C PIT 6 PIT 15 TFB TFD 2nd
LAAD MCCS
Month Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Product (gal)Jan-18 0 4 8 0 0 0 59 225 0 6 0 0 0 0Feb-18 0 2 8 0 0 0 46 176 0 2 0 0 0 0
Mar-18 0 2 15 0 0 0 74 173 0 2 0 0 0 0
Apr-18 0 2 24 0 0 0 75 247 0 2 0 0 0 0
May-18 0 4 21 0 0 0 57 223 0 3 0 0 0 0
Jun-18 0 2 39 0 0 0 57 230 0 1 0 0 0 0
Jul-18 1 3 25 0 0 0 70 275 0 2 0 0 0 0
Aug-18 1 8 78 0 0 0 56 179 0 7 0 0.19124 0 0
Sep-18 0 2 3 0 0 0 33 97 0 0 0 0 0 0Oct-18 1 7 15 1 0 0 21 129 0 1 0 0.25 0 0Nov-18 1 2 9 0 0 0 7 180 0 2 0 0.03905 0 0Dec-18 0 5 18 0 0 0 5 213 0 3 0 0.03124 0 0Jan-19 0 6 9 0 0 0 5 157 0 0 0 0.01562 0 0
Feb-19 2 12 31 0 0 2 14 232 0 0 0 0.02 0 0
Mar-19 0 20 37 0 0 0 40 173 0 0 0 0.02 0 0
Apr-19 0 5 27 0 0 0 32 222 0 0 0 0.02 NM 0
May-19 0 2 28 0 0 0 37 259 0 0 0 0 NM 0
Jun-19 0 3 28 0 0 0 44 169 0 3 0 0.04 0 0
Jul-19 0 0 38 0 0 0 39 194 0 4 0 0.02 0 0
Aug-19 0 0 48 0 0 0 68 195 0 4 0 0.02 0 0
Sep-19 0 0 2 0 0 0 22 169 0 0 0 0 0 0
Oct-19 0 0 18 0 0 0 13 301 0 2 0 0.02 0 0
Nov-19 0 0 10 0 0 0 51 273 0 4 0 0 0.22 0
Dec-19 0 0 22 0 0 0 67 307 0 2 0 0.01 0 -
Totals 6.00 91.00 303.00 1.00 0.00 0.00 579.00 2,736.00 0.00 31.00 0.00 0.51 0.00 0.00
Average 0.25 3.79 12.63 0.04 0.00 0.00 24.13 114.00 0.00 1.29 0.00 0.02 0.00 0.00
TABLE VI
FREE PRODUCT RECOVERY TOTAL (LAST TWO YEARS)
Note: At sites with free product systems where interim product recovery is performed (i.e. bailing, pumping, etc.), the recovered product is emptied into the system; therefore, the interim
product recovery volume is included in the total product volume on this table.
NM = Not Measured
MCAS Cherry Point FY-019; Table VI_FPTotals_thru DEC 2019.xlsx
CATLIN Project No. 219001
CATLIN Engineers and Scientists
February 2020
^_MCAS Cherry Point
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58
33
70
£¤17
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Data Source: Adapted from NCOneMaps.com
FIGUREPROJECTTITLE
JOB NO.DATE SCALE DRAWN BY CHECKED BY
IFACILITY LOCATIONS MAP
219001 JAN 2020 NO SCALE THW SAC
MCAS CHERRY POINTUST CLOSURE ANDMANAGEMENT PROGRAM
S:\GIS Projects\CPLTM\GIS\Sites\CAMP Figure 1.mxd
SECTION 5.0 OF THE PERIODIC MONITORING REPORT MCAS CHERRY POINT UST CLOSURE AND MANAGEMENT PROGRAM FOR UST SITES MONITORING EVENT: SECOND SEMESTER 2019 (JULY 2019 THROUGH DECEMBER 2019) SITE-SPECIFIC MONITORING REPORT FOR SITE 1640 NCDEQ INCIDENT NO. 9274 WARNING: This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under the FOi Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official. MCAS Cherry Point FY-19; 219001 VOL 1.RPT44 CATLIN Project No. 219001 CATLIN Engineers and Scientists February 2020
MCAS Cherry Point FY-19; 219001VOL1.RPT44 CATLIN Engineers and Scientists
CATLIN Project No. 219001 February 2020
SITE 1640
5.0 EXECUTIVE SUMMARY
5.1 SITE INFORMATION
Site Location: MCAS Cherry Point Incident Number(s): 9274 NC State Plane Coordinates (NAD83): x = 2633594.72; y = 426311.19
Risk Classification: MCAS temporarily assigned INTERMEDIATE risk due to
the presence of free-phase product. Source Type(s): Diesel Fuel 5.2 MONITORING EVENT INFORMATION
Sampling Performed By: ITMS/GES (Annual) Date(s) of This Monitoring Event: 8/21/2019 Date(s) of Previous Monitoring Event: 8/15/2018 Reason(s) for This Monitoring Event: Track migration and attenuation of
dissolved-phase plume, track migration and/or volume reduction of free-phase
product plume. Site Monitoring Status at Time of This Event: Interim and product recovery monitoring.
5.3 GROUNDWATER HYDRAULICS
Hydraulic Conductivity: 66.0 feet/day
Effective Porosity: 0.25 Hydraulic Gradient: Upper Surficial Aquifer = 0.0040 feet/feet, Lower Surficial Aquifer = 0.0013 feet/feet. Average Linear Groundwater Flow Velocity: Upper Surficial Aquifer = 1.0535 feet/day. Lower Surficial Aquifer = 0.3508 feet/day.
Groundwater Flow Direction: Upper Surficial Aquifer = West-Southwest,
Lower Surficial Aquifer = West-Northwest. See Figure 5.1. Range of Measured Water Table Elevations: Ranges from 8.87 feet in monitoring well 59GW40 to 17.57 feet in monitoring well 59GW35. See Table 5.1A.
Significant Changes from Previously Reported Data: During the Second
Semester 2019, the upper surficial groundwater flow direction has changed from South-Southeast and East (originating from the center of the site) to West-Southwest.
5.4 FREE PRODUCT PLUME
Free Product Present?: Yes. Free Product Thickness Measured: During the Second Semester 2019 monitoring event, 34 wells were gauged and one monitoring well (59GW26)
contained 0.05 feet of free-phase product. See Table 5.1A. Plume Size and Location: See Figure 5.1 Free Product Removed from Site This Period: None.
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Significant Changes from Previously Reported Data: Measureable free
product continues to be present in monitoring well 59GW26.
5.5 DISSOLVED-PHASE PLUME Plume Concentrations: See Tables 5.2A through 5.4B.
Plume Size and Location: See Figures 5.2A through 5.4B. Significant Changes from Previously Reported Data: EPA Method 602 by SM 6200B
Previously, this site had been sampled semi-annually, with lower surficial
monitoring wells being sampled in the first semester monitoring event and the upper surficial monitoring wells sampled during the second semester event. During the February 2018 monitoring event (in which only lower surficial monitoring wells were sampled) and during the August 2018 monitoring event (in which only upper surficial monitoring wells were sampled), no EPA Method 602
contaminant concentrations were detected above 2L Standards. During the annual August 2019 monitoring event (in which both upper and lower surficial monitoring wells were sampled), no EPA Method 602 contaminant concentrations were detected above 2L Standards. See Tables 5.2A through
5.2B and Figures 5.2A and 5.2B. EPA Method 610 by EPA Method 625 During the February 2018 monitoring event (in which only lower surficial
monitoring wells were sampled), EPA Method 610 contaminant concentrations were detected exceeding the 2L Standards in deep monitoring wells 59GW13, 59GW33 and 59GW41. No EPA Method 610 contaminant concentrations were detected exceeding the 2L Standards during the August 2018 monitoring event (in which only upper surficial monitoring wells were sampled).
During the August 2019 annual monitoring event (in which both upper and lower surficial monitoring wells were sampled), Naphthalene concentrations exceeding the 2L Standard were revealed in monitoring wells 59GW13, 59GW32, 59GW33 and 59GW41. EPA Method 610 plume boundaries have been modified based on
the current monitoring event’s analytical data. See Tables 5.3A through 5.3B and Figures 5.3A and 5.3B. MADEP VPH/EPH
During the February 2018 monitoring event (in which only lower surficial monitoring wells were sampled), MADEP VPH/EPH contaminant concentrations exceeding the 2L Standards were revealed in monitoring wells 59GW13, 59GW33 and 59GW41. MADEP VPH/EPH contaminant concentrations exceeding the 2L Standards were then revealed in monitoring wells 59GW26
and 59GW31 during the August 2018 monitoring event (in which only upper surficial monitoring wells were sampled). Both upper and lower surficial monitoring wells were sampled during the annual
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monitoring event in August 2019 and MADEP VPH/EPH contaminant
concentrations exceeding the 2L Standards were revealed in monitoring wells
59GW25, 59GW31, 59GW32 and 59GW41. MADEP VPH/EPH plume boundaries have been modified based on the current monitoring event’s analytical data. See Tables 5.4A through 5.4B and Figures 5.4A and 5.4B.
Please note that site monitoring wells were not sampled if they were inaccessible
or found to contain free product. 5.6 REMEDIAL SYSTEM AIR MONITORING DATA AND EFFLUENT DISCHARGE DATA
Air Contaminant Concentrations: Not Applicable. Effluent Discharge Contaminant Concentrations: Not Applicable 5.7 POTENTIAL RECEPTORS Contaminated Water Supply Well(s)?: No Potable Water Supply Well Within 1,000 Feet of Source Area?: No Any Water Supply Well Within 250 Feet of Source Area?: No Surface Water Body Within 500 Feet?: No Past Evidence of Vapors?: No Significant Changes from Previously Reported Data?: None 5.8 REMEDIATION Status: System shut down January 17, 2013 to facilitate site closure. AFVR
events conducted: June 24, 2014; October 29, 2014; December 11, 2014 and April 7, 2015. On March 9, 2016 the SVE system was restarted and well 59GW26 was converted to an SVE well. In mid-August 2018 the SVE system was again shut down due to a lack of any detectable free-phase product. Type: SVE; free-phase product removal via two solar skimmer pumps. AFVR. Progress: System off Construction Contractor: Shaw Operating Contractor: ITMS/GES 5.9 OBSERVATIONS AND COMMENTS
Historical: The SVE system was shut down on January 17, 2013 to determine if free-phase product would reappear (last detection was June 2012). Gauging data from January through June 2013 indicated no recurrence of free-phase product. Quarterly closure sampling was initiated in February and May 2013 at
the subject site. Gauging data from July through December 2013 indicated no recurrence of free-phase product. Also, quarterly closure sampling was continued in August and November 2013. Analytical results from the four quarters of closure sampling indicated no exceedances of the GCLs and
contaminant concentration trends were stable. Therefore, “No Further Action”
status was recommended for the subject site. Gauging data from January 2014 again indicated no recurrence of free-phase
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product. Therefore, CATLIN completed and MCAS Cherry Point submitted a
Site Closure Report in April 2014 to the NCDEQ which requested that the site be
designated as “No Further Action” status with a Notice of Residual Petroleum for soil and groundwater. In May 2014 the NCDEQ responded by approving the site closure request. In anticipation of site closure activities (i.e. monitoring well abandonment), SDC/GES was tasked to gauge the wells at the site for one final
event. The gauging results from this final event on May 30, 2014 indicated 0.03
feet of free-phase product in well 59GW31. Therefore, site closure activities were halted. An AFVR event was conducted on June 24, 2014 at wells 59GW26 and 59GW31 to address residual levels of free-phase product.
Monthly gauging activities continued during the Second Semester 2014 and
revealed that free-phase product remained absent at well 59GW31; however, well 59GW26 continued to contain measureable thicknesses of free-phase product (September through December 2014). In October and December 2014 AFVR events were conducted at well 59GW26 and these events recovered approximately 0.6 gallons of free-phase product.
During the First Semester 2015 monthly gauging activities revealed that free-phase product was consistently detected in well 59GW26 from January through April 2015. Therefore, an additional AFVR event was conducted at this well on April 7, 2015 which yielded approximately three gallons of free-phase product.
Monthly gauging data from May and June 2015 also indicated free-phase product was present in this well. Monthly gauging activities continued in the Second Semester 2015 and revealed that free-phase product continued to persist in well 59GW26. Therefore, an
additional AFVR event was attempted in October 2015; however, upon starting the AFVR event the vacuum truck blower failed; therefore, no measureable product was recovered during this event. As free-phase product continued to persist in well 59GW26 alternative remedial approaches were being evaluated.
Also, groundwater sampling had not been conducted at the subject site since August/November 2013; therefore, a groundwater sampling event was conducted in September 2015. Analytical results from the September 2015 groundwater sampling event revealed an overall declining trend in contaminant concentrations.
Monthly gauging data from January and February 2016 revealed that free-phase product continued to persist in well 59GW26. Therefore, it was decided to convert monitoring well 59GW26 to an SVE well and restart the SVE system in an attempt to remediate the residual levels of free-phase product in the area of
59GW26. These modifications were implemented and the SVE system was restarted on March 9, 2016. Also, the semi-annual sampling of the lower surficial monitoring wells was conducted in February 2016. The groundwater sampling results revealed a continuing overall declining trend in contaminant concentrations. Monthly gauging activities for the Second Semester 2016
revealed that free-phase product was detected in well 59GW26 from September through November 2016. The shallow wells at the subject site were sampled in August 2016 and results revealed a continuing overall declining trend in
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contaminant concentrations.
Monthly gauging activities for the First Semester 2017 revealed that free-phase product was not detected in any on-site wells. The deep wells at the subject site were sampled in February 2017 and results revealed a continuing overall declining trend in the dissolved-phase contaminant concentrations. Monthly
gauging activities for the Second Semester 2017 revealed that free-phase
product was detected in 59GW26 in July and October 2017 during “weekly” gauging events. The shallow wells at the subject site were sampled in August 2017 and results revealed that contaminant concentrations were relatively low and no levels were approaching any of the established GCLs. The shallow
dissolved-phase plume shifted slightly towards the northwest as compared to the
August 2016 plume location. However, there are numerous shallow wells to the northwest of the current plume that could be sampled to ensure that any plume migration is adequately tracked. Monthly and weekly gauging activities for the First Semester 2018 revealed that
free-phase product was not detected in any on-site wells. The deep wells at the subject site were sampled in February 2018 and results revealed a continuing overall declining trend in the deep, dissolved-phase contaminant concentrations. Due to the lack of any measurable free-phase during the First Semester 2018 it
was recommended that the SVE system be shut down which was completed in August 2018. If measureable, free-phase product reappeared at the subject site then passive recovery of free-phase product was recommended. Monthly and weekly gauging activities for the Second Semester 2018 revealed that free-phase product was detected in one well, 59GW26 (0.01 feet) only in October
2018. The shallow wells at the subject site were sampled in August 2018 and results revealed shallow, dissolved-phase contaminant concentrations were fairly stagnant and not significantly increasing or decreasing. Monthly gauging activities for the First Semester 2019 revealed that free-phase
product was detected in one well, 59GW26 (0.01 feet) only in May and June 2019. No passive recovery of product was conducted in the First Semester 2019. Also, it should be noted that the buildings at the subject site are planned for demolition within the next few years. Therefore, an excavation of any gross contamination and residual free-phase product may be easily accessible during
this upcoming demolition project. Current: Monthly gauging activities for the Second Semester 2019 revealed that free-phase product was detected in one well, 59GW26 (0.05 feet) in August through October 2019. No passive recovery of product was conducted in the
Second Semester 2019; however, passive recovery of free-phase product will be conducted if a recoverable thickness is measured in any on-site wells in the First Semester 2020. Also, as stated above the buildings at the subject site are planned for demolition within the next few years. Therefore, an excavation of any gross contamination and residual free-phase product may be easily accessible
during this upcoming demolition project. In August 2019 an “annual” groundwater sampling event of both the shallow and
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deep wells was conducted at the subject site. The results from the sampling
event indicated detections of Naphthalene and MADEP compounds above the
2L Standards; however, no concentrations were approaching any of the established GCLs. Also, the contaminant concentrations are declining and plume extents are stable or shrinking. The next annual groundwater sampling event is planned for August 2020.
SITE 1640
TABLE 5.1A
FIELD MEASUREMENTS
Well No TYPE STICKUPTOC
8/21/2019Date Measured:
Product Thickness DTW/DTP BGSDTW/DTP
Corrected
GW Elevation
-0.3423.64T-II59GW04 0.00 7.867.52 16.12
-0.3523.67T-II59GW05 0.00 7.987.63 16.04
-0.4023.22T-II59GW08 0.00 7.557.15 16.07
-0.2223.58T-III59GW09 0.00 8.568.34 15.24
-0.2323.23T-II59GW10 0.00 7.397.16 16.07
-0.3023.66T-III59GW12 0.00 7.126.82 16.84
-0.3124.32T-III59GW13 0.00 8.888.57 15.75
-0.3823.26T-II59GW14 0.00 7.597.21 16.05
-0.3023.63T-II59GW15 0.00 7.487.18 16.45
-0.4724.18T-II59GW16 0.00 8.648.17 16.01
-0.2223.34T-II59GW18 0.00 7.457.23 16.11
-0.2423.32T-III59GW19 0.00 7.367.12 16.20
-0.3624.41T-II59GW20 0.00 8.368.00 16.41
-0.1424.90T-II59GW21 0.00 8.378.23 16.67
-0.3623.02T-II59GW22 0.00 7.567.20 15.82
-0.2725.27T-II59GW23 0.00 8.978.70 16.57
-0.3725.13T-III59GW24 0.00 10.039.66 15.47
-0.3324.44T-II59GW25 0.00 7.777.44 17.00
-0.5624.03T-II59GW26 0.05 8.838.27 15.75
-0.5323.37T-II59GW28 0.00 7.637.10 16.27
-0.0324.39T-II59GW29 0.00 8.318.28 16.11
-0.2024.29T-II59GW30 0.00 8.558.35 15.94
-0.3023.19T-II59GW31 0.00 7.276.97 16.22
-0.3724.08T-II59GW32 0.00 8.317.94 16.14
-0.0623.91T-III59GW33 0.00 8.448.38 15.53
-0.4325.01T-II59GW34 0.00 9.078.64 16.37
-0.5024.38T-III59GW35 0.00 7.316.81 17.57
-0.5024.21T-III59GW36 0.00 9.759.25 14.96
-0.3024.68T-III59GW37 0.00 9.068.76 15.92
-0.3025.20T-III59GW38 0.00 9.789.48 15.72
-0.5025.85T-III59GW39 0.00 10.7210.22 15.63
Page 1
Notes: 1. T-l = Type l monitoring well
T-II = Type II monitoring well
T-III = Type III monitoring well
RW = Recovery well
2. TOC = Top of well casing elevation, in feet relative to Mean Sea Level.
3. STICK UP = Height of well casing above land surface in feet.
4. DTW = Depth to water (in feet) from top of well casing.
5. DTP = Depth to product (in feet) from top of well casing.
6. Product thickness is measured in feet.
7. DTW/DTP BGS = Depth to water/depth to product below ground surface in feet.
8. GW Elevation = Ground water elevation (adjusted for product) in feet.
9. A zero ("0.00") in the product thickness column indicates no measureable thickness.
10. Stick up values were not available for wells with no values in the STICK UP and
DTW/DTP BGS columns.
11. Corrected GW Elevation based on Specific Gravity of Diesel (0.86)
Well No TYPE STICKUPTOC
8/21/2019Date Measured:
Product Thickness DTW/DTP BGSDTW/DTP
Corrected
GW Elevation
-0.5023.84T-IIIY59GW40 0.00 15.4714.97 8.87
-0.5023.05T-III59GW41 0.00 8.177.67 15.38
0.0023.47T-III59GW42 0.00 8.418.41 15.06
Page 2
Notes: 1. T-l = Type l monitoring well
T-II = Type II monitoring well
T-III = Type III monitoring well
RW = Recovery well
2. TOC = Top of well casing elevation, in feet relative to Mean Sea Level.
3. STICK UP = Height of well casing above land surface in feet.
4. DTW = Depth to water (in feet) from top of well casing.
5. DTP = Depth to product (in feet) from top of well casing.
6. Product thickness is measured in feet.
7. DTW/DTP BGS = Depth to water/depth to product below ground surface in feet.
8. GW Elevation = Ground water elevation (adjusted for product) in feet.
9. A zero ("0.00") in the product thickness column indicates no measureable thickness.
10. Stick up values were not available for wells with no values in the STICK UP and
DTW/DTP BGS columns.
11. Corrected GW Elevation based on Specific Gravity of Diesel (0.86)
TABLE 5.1B
SITE 1640
HISTORICAL FIELD MEASUREMENT DATA
Well ID Date
Corrected GWT
ElevationProduct ThicknessTOCStickupDTW/DTP DTW/DTP BGS
16.12NMT59GW04 8/21/2019 23.64 -0.34 7.52 7.86
16.04NMT59GW05 8/21/2019 23.67 -0.35 7.63 7.98
16.07NMT59GW08 8/21/2019 23.22 -0.4 7.15 7.55
15.24NMT59GW09 8/21/2019 23.58 -0.22 8.34 8.56
16.07NMT59GW10 8/21/2019 23.23 -0.23 7.16 7.39
16.84NMT59GW12 8/21/2019 23.66 -0.3 6.82 7.12
15.75NMT59GW13 8/21/2019 24.32 -0.31 8.57 8.88
16.05NMT59GW14 8/21/2019 23.26 -0.38 7.21 7.59
16.45NMT59GW15 8/21/2019 23.63 -0.3 7.18 7.48
16.01NMT59GW16 8/21/2019 24.18 -0.47 8.17 8.64
16.11NMT59GW18 8/21/2019 23.34 -0.22 7.23 7.45
16.20NMT59GW19 8/21/2019 23.32 -0.24 7.12 7.36
16.41NMT59GW20 8/21/2019 24.41 -0.36 8 8.36
16.67NMT59GW21 8/21/2019 24.9 -0.14 8.23 8.37
15.82NMT59GW22 8/21/2019 23.02 -0.36 7.2 7.56
16.57NMT59GW23 8/21/2019 25.27 -0.27 8.7 8.97
15.47NMT59GW24 8/21/2019 25.13 -0.37 9.66 10.03
17.00NMT59GW25 8/21/2019 24.44 -0.33 7.44 7.77
Notes: 1. NMT = No Measurable Thickness
2. NM = Not Measured
3. Data in BOLD ITALICS indicates measurable thicknesses of product detected
4. TBM = To Be Measured
5. Corrected GW Elevation based on Specific Gravity of Diesel (0.86)
Page 1BOLD ITALICS
TABLE 5.1B
SITE 1640
HISTORICAL FIELD MEASUREMENT DATA
Well ID Date
Corrected GWT
ElevationProduct ThicknessTOCStickupDTW/DTP DTW/DTP BGS
16.46NMT59GW26 1/29/2019 24.03 -0.56 7.57 8.13
16.66NMT59GW26 2/6/2019 24.03 -0.56 7.37 7.93
16.67NMT59GW26 3/6/2019 24.03 -0.56 7.36 7.92
16.21NMT59GW26 4/1/2019 24.03 -0.56 7.82 8.38
16.050.0159GW26 5/6/2019 24.03 -0.56 7.98 8.54
16.050.0159GW26 6/4/2019 24.03 -0.56 7.98 8.54
15.67NMT59GW26 7/5/2019 24.03 -0.56 8.36 8.92
15.750.0559GW26 8/21/2019 24.03 -0.56 8.27 8.83
16.140.0559GW26 9/16/2019 24.03 -0.56 7.88 8.44
15.810.0559GW26 10/2/2019 24.03 -0.56 8.21 8.77
15.48NMT59GW26 11/4/2019 24.03 -0.56 8.55 9.11
14.72NMT59GW26 12/2/2019 24.03 -0.56 9.31 9.87
16.27NMT59GW28 8/21/2019 23.37 -0.53 7.1 7.63
16.11NMT59GW29 8/21/2019 24.39 -0.03 8.28 8.31
15.94NMT59GW30 8/21/2019 24.29 -0.2 8.35 8.55
16.78NMT59GW31 1/29/2019 23.19 -0.3 6.41 6.71
17.52NMT59GW31 2/6/2019 23.19 -0.3 5.67 5.97
17.27NMT59GW31 3/6/2019 23.19 -0.3 5.92 6.22
16.75NMT59GW31 4/1/2019 23.19 -0.3 6.44 6.74
16.50NMT59GW31 5/6/2019 23.19 -0.3 6.69 6.99
16.50NMT59GW31 6/4/2019 23.19 -0.3 6.69 6.99
16.15NMT59GW31 7/5/2019 23.19 -0.3 7.04 7.34
16.22NMT59GW31 8/21/2019 23.19 -0.3 6.97 7.27
16.65NMT59GW31 9/16/2019 23.19 -0.3 6.54 6.84
16.16NMT59GW31 10/2/2019 23.19 -0.3 7.03 7.33
15.80NMT59GW31 11/4/2019 23.19 -0.3 7.39 7.69
16.22NMT59GW31 12/2/2019 23.19 -0.3 6.97 7.27
16.14NMT59GW32 8/21/2019 24.08 -0.37 7.94 8.31
15.53NMT59GW33 8/21/2019 23.91 -0.06 8.38 8.44
16.37NMT59GW34 8/21/2019 25.008 -0.43 8.64 9.07
Notes: 1. NMT = No Measurable Thickness
2. NM = Not Measured
3. Data in BOLD ITALICS indicates measurable thicknesses of product detected
4. TBM = To Be Measured
5. Corrected GW Elevation based on Specific Gravity of Diesel (0.86)
Page 2BOLD ITALICS
TABLE 5.1B
SITE 1640
HISTORICAL FIELD MEASUREMENT DATA
Well ID Date
Corrected GWT
ElevationProduct ThicknessTOCStickupDTW/DTP DTW/DTP BGS
17.57NMT59GW35 8/21/2019 24.38 -0.5 6.81 7.31
14.96NMT59GW36 8/21/2019 24.21 -0.5 9.25 9.75
15.92NMT59GW37 8/21/2019 24.68 -0.3 8.76 9.06
15.72NMT59GW38 8/21/2019 25.2 -0.3 9.48 9.78
15.63NMT59GW39 8/21/2019 25.85 -0.5 10.22 10.72
8.87NMT59GW40 8/21/2019 23.84 -0.5 14.97 15.47
15.38NMT59GW41 8/21/2019 23.05 -0.5 7.67 8.17
15.06NMT59GW42 8/21/2019 23.47 0 8.41 8.41
Notes: 1. NMT = No Measurable Thickness
2. NM = Not Measured
3. Data in BOLD ITALICS indicates measurable thicknesses of product detected
4. TBM = To Be Measured
5. Corrected GW Elevation based on Specific Gravity of Diesel (0.86)
Page 3BOLD ITALICS
STANDARD
GCL 59GW0959GW1359GW2559GW2859GW3159GW3259GW3559GW3659GW3759GW37Dup59GW40GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.2A
8/21/2019Date Sampled:
2L GWQS UNITSPARAMETER 59GW33GCL 59GW4259GW41EPA METHOD 602 BY SM 6200B
1,2-Dichlorobenzene 20,000.000020.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
1,3-Dichlorobenzene 61,500.0000200.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
1,4-Dichlorobenzene 6,000.00006.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzene 5,000.00001.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Ethylbenzene 84,500.0000600.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Toluene 260,000.0000600.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Total Xylenes 85,500.0000500.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Totals:0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Page 1
Notes:
1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and Corrective Action for UST Releases"
July 15, 2008 Version, Change 3 Effective December 1, 2013
3. ug/L = Micrograms per Liter
4. A zero ("0.00") in the results column indicates concentration is either below detection limit or below quantitation limit
5. A zero ("0.0000") in the 2L GWQS column indicates the 2L standard is equal to the laboratory detection limit
6. A zero ("0.0000") in the GCL column indicates a GCL has not been established
GW Standard Revised/Estab.
(See Table III)EthylbenzeneTolueneAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.2B
EPA METHOD 602 BY SM 6200B
DateSample ID
600 6002L GWQS
GCL 84500 260000
Contaminant of Concern
9/1/2015 BQL BQL BQL59GW05
8/15/2018 BQL BQL BQL59GW05
9/1/2015 BQL BQL BQL59GW08
8/15/2018 BQL BQL BQL59GW08
9/1/2015 BQL BQL BQL59GW09
2/15/2016 BQL BQL BQL59GW09
2/15/2017 BQL BQL BQL59GW09
2/19/2018 BQL BQL BQL59GW09
8/21/2019 BQL BQL BQL59GW09
9/1/2015 BQL BQL BQL59GW10
8/24/2016 BQL BQL BQL59GW10
8/16/2017 BQL BQL BQL59GW10
8/15/2018 BQL BQL BQL59GW10
9/1/2015 BQL BQL BQL59GW12
9/1/2015 BQL BQL BQL59GW13
2/15/2016 BQL BQL BQL59GW13
2/15/2017 BQL BQL BQL59GW13
2/19/2018 BQL BQL BQL59GW13
8/21/2019 BQL BQL BQL59GW13
9/1/2015 BQL BQL BQL59GW22
9/1/2015 BQL BQL BQL59GW25
8/24/2016 BQL BQL BQL59GW25
8/16/2017 BQL BQL BQL59GW25
8/15/2018 BQL BQL BQL59GW25
8/21/2019 BQL BQL BQL59GW25
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 1
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)EthylbenzeneTolueneAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.2B
EPA METHOD 602 BY SM 6200B
DateSample ID
600 6002L GWQS
GCL 84500 260000
Contaminant of Concern
9/1/2015 BQL BQL BQL59GW26
8/24/2016 BQL BQL BQL59GW26
8/16/2017 BQL BQL BQL59GW26
8/15/2018 BQL BQL BQL59GW26
9/1/2015 BQL BQL BQL59GW28
8/24/2016 BQL BQL BQL59GW28
8/16/2017 BQL BQL BQL59GW28
8/15/2018 BQL BQL BQL59GW28
8/21/2019 BQL BQL BQL59GW28
9/1/2015 BQL BQL BQL59GW29
8/15/2018 BQL BQL BQL59GW29
8/15/2018 BQL BQL BQL59GW29Dup
9/1/2015 BQL BQL BQL59GW31
8/24/2016 BQL BQL BQL59GW31
8/24/2016 BQL BQL BQL59GW31Dup
8/16/2017 BQL BQL BQL59GW31
8/15/2018 BQL BQL BQL59GW31
8/21/2019 BQL BQL BQL59GW31
9/1/2015 BQL BQL BQL59GW32
8/24/2016 BQL BQL BQL59GW32
8/16/2017 BQL BQL BQL59GW32
8/16/2017 BQL BQL BQL59GW32Dup
8/15/2018 BQL BQL BQL59GW32
8/21/2019 BQL BQL BQL59GW32
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 2
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)EthylbenzeneTolueneAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.2B
EPA METHOD 602 BY SM 6200B
DateSample ID
600 6002L GWQS
GCL 84500 260000
Contaminant of Concern
9/1/2015 BQL BQL BQL59GW33
2/15/2016 BQL BQL BQL59GW33
2/15/2017 BQL BQL BQL59GW33
2/19/2018 BQL BQL BQL59GW33
8/21/2019 BQL BQL BQL59GW33
9/1/2015 BQL BQL BQL59GW35
2/15/2016 BQL BQL BQL59GW35
2/15/2017 BQL BQL BQL59GW35
2/19/2018 BQL BQL BQL59GW35
8/21/2019 BQL BQL BQL59GW35
9/1/2015 BQL BQL BQL59GW36
2/19/2018 BQL BQL BQL59GW36
8/21/2019 BQL BQL BQL59GW36
9/1/2015 BQL BQL BQL59GW37
2/19/2018 BQL BQL BQL59GW37
8/21/2019 BQL BQL BQL59GW37
8/21/2019 BQL BQL BQL59GW37Dup
9/1/2015 BQL BQL BQL59GW38
9/1/2015 BQL BQL BQL59GW39
9/1/2015 BQL BQL BQL59GW40
2/15/2016 BQL BQL BQL59GW40
2/15/2017 BQL BQL BQL59GW40
2/19/2018 BQL BQL BQL59GW40
8/21/2019 BQL BQL BQL59GW40
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 3
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)EthylbenzeneTolueneAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.2B
EPA METHOD 602 BY SM 6200B
DateSample ID
600 6002L GWQS
GCL 84500 260000
Contaminant of Concern
9/1/2015 BQL 1.13 BQL59GW41
2/15/2016 1.03 1.15 BQL59GW41
2/15/2017 BQL BQL BQL59GW41
2/19/2018 BQL BQL BQL59GW41
8/21/2019 BQL BQL BQL59GW41
9/1/2015 BQL BQL BQL59GW42
9/1/2015 BQL BQL BQL59GW42Dup
2/15/2016 BQL BQL BQL59GW42
2/15/2016 BQL BQL BQL59GW42Dup
2/15/2017 BQL BQL BQL59GW42
2/15/2017 BQL BQL BQL59GW42Dup
2/19/2018 BQL BQL BQL59GW42
2/19/2018 BQL BQL BQL59GW42Dup
8/21/2019 BQL BQL BQL59GW42
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 4
9. Well nomenclature in RED indicates the well has been abandoned
STANDARD
GCL 59GW0959GW1359GW2559GW2859GW3159GW3259GW3559GW3659GW3759GW37Dup59GW40GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.3A
8/21/2019Date Sampled:
2L GWQS UNITSPARAMETER 59GW33GCL 59GW4259GW41EPA METHOD 610 BY EPA METHOD 625
2-Methylnaphthalene 12,500.000030.0000 0.00 0.00 0.00 0.00 0.00 27.2 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Acenaphthene 2,120.000080.0000 4.79 1.22 0.00 0.00 0.00 1.83 1.07 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Acenaphthylene 1,965.0000200.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Anthracene 2,000.00002,000.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzo(a)anthracene 4.70000.0500 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzo(a)pyrene 0.81000.0050 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzo(b)fluoranthene 0.75000.0500 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzo(g,h,i)perylene 200.0000200.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Benzo(k)fluoranthene 0.50000.5000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Chrysene 5.00005.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Dibenzo(a,h)anthracene 1.20000.0050 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Fluoranthene 300.0000300.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Fluorene 990.0000300.0000 0.00 0.00 0.00 0.00 0.00 2.6 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Indeno(1,2,3-c,d)pyrene 0.05000.0500 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Naphthalene 6,000.00006.0000 0.00 7.47 0.00 0.00 0.00 21.9 54.9 0.00 0.00 0.00 0.00 0.00ug/L 141 0.00
Phenanthrene 410.0000200.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Pyrene 200.0000200.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
Totals:4.79 8.69 0.00 0.00 0.00 53.53 55.97 0.00 0.00 0.00 0.00 0.00 141 0.00
Page 1
Notes:
1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and Corrective Action for UST Releases"
July 15, 2008 Version, Change 3 Effective December 1, 2013
3. ug/L = Micrograms per Liter
4. A zero ("0.00") in the results column indicates concentration is either below detection limit or below quantitation limit
5. A zero ("0.0000") in the 2L GWQS column indicates the 2L standard is equal to the laboratory detection limit
6. A zero ("0.0000") in the GCL column indicates a GCL has not been established
GW Standard Revised/Estab.
(See Table III)2-MethylnaphthaleneAcenaphtheneAnthraceneFluoreneNaphthalenePyreneHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.3B
EPA METHOD 610 BY EPA METHOD 625
Date PhenanthreneSample ID All Other Analytes30 80 2000 300 6 200 2002L GWQS
GCL 12500 2120 2000 990 6000 410 200
Contaminant of Concern
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW05
8/15/2018 BQL BQL BQL BQL 2.86 BQL BQL BQL59GW05
9/1/2015 BQL 1.08 BQL BQL BQL BQL BQL BQL59GW08
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW08
9/1/2015 BQL 4.13 BQL BQL BQL BQL BQL BQL59GW09
2/15/2016 BQL 2.49 BQL BQL BQL BQL BQL BQL59GW09
2/15/2017 BQL 5.49 BQL BQL BQL BQL BQL BQL59GW09
2/19/2018 BQL 3.73 BQL BQL BQL BQL BQL BQL59GW09
8/21/2019 BQL 4.79 BQL BQL BQL BQL BQL BQL59GW09
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW10
8/24/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW10
8/16/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW10
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW10
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW12
9/1/2015 13.3 2.01 BQL BQL 718 BQL BQL BQL59GW13
2/15/2016 8.06 0.972 BQL BQL 493 BQL BQL BQL59GW13
2/15/2017 5.29 1.92 BQL BQL 254 BQL BQL BQL59GW13
2/19/2018 1.66 BQL BQL BQL 63.6 BQL BQL BQL59GW13
8/21/2019 BQL 1.22 BQL BQL 7.47 BQL BQL BQL59GW13
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW22
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW25
8/24/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW25
8/16/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW25
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW25
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW25
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 1
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)2-MethylnaphthaleneAcenaphtheneAnthraceneFluoreneNaphthalenePyreneHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.3B
EPA METHOD 610 BY EPA METHOD 625
Date PhenanthreneSample ID All Other Analytes30 80 2000 300 6 200 2002L GWQS
GCL 12500 2120 2000 990 6000 410 200
Contaminant of Concern
9/1/2015 44.8 6.55 1.48 12 20.1 14.1 1.4 BQL59GW26
8/24/2016 BQL 2.02 BQL 3.47 BQL 2.15 BQL BQL59GW26
8/16/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW26
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW26
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW28
8/24/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW28
8/16/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW28
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW28
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW28
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW29
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW29
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW29Dup
9/1/2015 BQL BQL BQL BQL BQL BQL 1.18 BQL59GW31
8/24/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW31
8/24/2016 BQL 1.83 BQL 2.54 BQL 1.35 BQL BQL59GW31Dup
8/16/2017 BQL 2.03 BQL 2.79 BQL 2.09 BQL BQL59GW31
8/15/2018 BQL 2.45 BQL 3.08 BQL 2.12 BQL BQL59GW31
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW31
9/1/2015 4.1 BQL BQL 1.39 5.29 BQL BQL BQL59GW32
8/24/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW32
8/16/2017 10.8 1 BQL 1.27 14.1 BQL BQL BQL59GW32
8/16/2017 16.5 1.16 BQL 1.75 18.2 BQL BQL BQL59GW32Dup
8/15/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW32
8/21/2019 27.2 1.83 BQL 2.6 21.9 BQL BQL BQL59GW32
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 2
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)2-MethylnaphthaleneAcenaphtheneAnthraceneFluoreneNaphthalenePyreneHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.3B
EPA METHOD 610 BY EPA METHOD 625
Date PhenanthreneSample ID All Other Analytes30 80 2000 300 6 200 2002L GWQS
GCL 12500 2120 2000 990 6000 410 200
Contaminant of Concern
9/1/2015 10.4 1.85 BQL BQL 596 BQL BQL BQL59GW33
2/15/2016 7.68 1.34 BQL BQL 483 BQL BQL BQL59GW33
2/15/2017 6.94 1.74 BQL BQL 332 BQL BQL BQL59GW33
2/19/2018 1.65 1.28 BQL BQL 142 BQL BQL BQL59GW33
8/21/2019 BQL 1.07 BQL BQL 54.9 BQL BQL BQL59GW33
9/1/2015 BQL BQL BQL BQL 3.29 BQL BQL BQL59GW35
2/15/2016 BQL BQL BQL BQL 2.79 BQL BQL BQL59GW35
2/15/2017 BQL BQL BQL BQL 3.11 BQL BQL BQL59GW35
2/19/2018 BQL BQL BQL BQL 1.07 BQL BQL BQL59GW35
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW35
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW36
2/19/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW36
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW36
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW37
2/19/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW37
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW37
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW37Dup
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW38
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW39
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW40
2/15/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW40
2/15/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW40
2/19/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW40
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW40
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 3
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)2-MethylnaphthaleneAcenaphtheneAnthraceneFluoreneNaphthalenePyreneHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.3B
EPA METHOD 610 BY EPA METHOD 625
Date PhenanthreneSample ID All Other Analytes30 80 2000 300 6 200 2002L GWQS
GCL 12500 2120 2000 990 6000 410 200
Contaminant of Concern
9/1/2015 BQL BQL BQL BQL 189 BQL BQL BQL59GW41
2/15/2016 BQL BQL BQL BQL 264 BQL BQL BQL59GW41
2/15/2017 BQL BQL BQL BQL 232 BQL BQL BQL59GW41
2/19/2018 BQL BQL BQL BQL 140 BQL BQL BQL59GW41
8/21/2019 BQL BQL BQL BQL 141 BQL BQL BQL59GW41
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW42
9/1/2015 BQL BQL BQL BQL BQL BQL BQL BQL59GW42Dup
2/15/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW42
2/15/2016 BQL BQL BQL BQL BQL BQL BQL BQL59GW42Dup
2/15/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW42
2/15/2017 BQL BQL BQL BQL BQL BQL BQL BQL59GW42Dup
2/19/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW42
2/19/2018 BQL BQL BQL BQL BQL BQL BQL BQL59GW42Dup
8/21/2019 BQL BQL BQL BQL BQL BQL BQL BQL59GW42
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 4
9. Well nomenclature in RED indicates the well has been abandoned
STANDARD
GCL 59GW0959GW1359GW2559GW2859GW3159GW3259GW3559GW3659GW3759GW37Dup59GW40GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.4A
8/21/2019Date Sampled:
2L GWQS UNITSPARAMETER 59GW33GCL 59GW4259GW41MADEP VPH/EPH
C19-C36 Aliphatics 0.000010,000.0000 0.00 0.00 253 0.00 449 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
C5-C8 Aliphatics 0.0000400.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ug/L 0.00 0.00
C9-C18 Aliphatics 0.0000700.0000 0.00 104 911.4 0.00 955 105 47.8 0.00 0.00 0.00 0.00 0.00ug/L 93.6 0.00
C9-C22 Aromatics 0.0000200.0000 16.5 179.9 396.3 0.00 959 315 184.6 0.00 0.00 104 0.00 0.00ug/L 291.7 0.00
Totals:16.5 283.9 1,560.7 0.00 2,363 420 232.4 0.00 0.00 104 0.00 0.00 385.3 0.00
Page 1
Notes:
1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and Corrective Action for UST Releases"
July 15, 2008 Version, Change 3 Effective December 1, 2013
3. ug/L = Micrograms per Liter
4. A zero ("0.00") in the results column indicates concentration is either below detection limit or below quantitation limit
5. A zero ("0.0000") in the 2L GWQS column indicates the 2L standard is equal to the laboratory detection limit
6. A zero ("0.0000") in the GCL column indicates a GCL has not been established
7. During the August 2019 monitoring event, samples for 59GW13, 59GW33, 59GW40 and 59GW41 being analyzed for MADEP EPH were
re-extracted out of hold time due to low biased surrogate failures. The failures did not confirm in the re-extractions and the second run
results are reported.
GW Standard Revised/Estab.
(See Table III)C19-C36 AliphaticsC5-C8 AliphaticsC9-C18 AliphaticsC9-C22 AromaticsAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.4B
MADEP VPH/EPH
DateSample ID
10000 400 700 2002L GWQS
GCL 0 0 0 0
Contaminant of Concern
9/1/2015 BQL BQL 22.3 15.9 BQL59GW05
8/15/2018 BQL BQL 34.6 39.8 BQL59GW05
9/1/2015 BQL 16.3 BQL BQL BQL59GW08
8/15/2018 BQL BQL BQL BQL BQL59GW08
9/1/2015 BQL BQL 28 27.1 BQL59GW09
2/15/2016 BQL BQL BQL BQL BQL59GW09
2/15/2017 BQL BQL BQL BQL BQL59GW09
2/19/2018 BQL BQL BQL BQL BQL59GW09
8/21/2019 BQL BQL BQL 16.5 BQL59GW09
9/1/2015 BQL 20.7 BQL BQL BQL59GW10
8/24/2016 BQL BQL BQL BQL BQL59GW10
8/16/2017 BQL BQL BQL BQL BQL59GW10
8/15/2018 BQL BQL BQL BQL BQL59GW10
9/1/2015 BQL BQL BQL BQL BQL59GW12
9/1/2015 BQL BQL 198 816 BQL59GW13
2/15/2016 BQL BQL 185 664 BQL59GW13
2/15/2017 BQL BQL 120 450 BQL59GW13
2/19/2018 BQL BQL 48.9 241 BQL59GW13
8/21/2019 BQL BQL 104 179.9 BQL59GW13
9/1/2015 186 BQL BQL BQL BQL59GW22
9/1/2015 BQL BQL 116 BQL BQL59GW25
8/24/2016 234 BQL 291.5 123 BQL59GW25
8/16/2017 969 BQL 3,468.8 988.4 BQL59GW25
8/15/2018 BQL BQL 82.4 38.7 BQL59GW25
8/21/2019 253 BQL 911.4 396.3 BQL59GW25
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 1
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)C19-C36 AliphaticsC5-C8 AliphaticsC9-C18 AliphaticsC9-C22 AromaticsAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.4B
MADEP VPH/EPH
DateSample ID
10000 400 700 2002L GWQS
GCL 0 0 0 0
Contaminant of Concern
9/1/2015 1,330 BQL 6,167 3,845 BQL59GW26
8/24/2016 261 BQL 935.9 758.3 BQL59GW26
8/16/2017 BQL BQL 103.8 138.4 BQL59GW26
8/15/2018 131 BQL 444.6 312.1 BQL59GW26
9/1/2015 BQL BQL BQL BQL BQL59GW28
8/24/2016 78.6 BQL 160 130 BQL59GW28
8/16/2017 194 BQL 425 200 BQL59GW28
8/15/2018 BQL BQL BQL 99.5 BQL59GW28
8/21/2019 BQL BQL BQL BQL BQL59GW28
9/1/2015 129 BQL 141 BQL BQL59GW29
8/15/2018 BQL BQL BQL BQL BQL59GW29
8/15/2018 BQL BQL BQL BQL BQL59GW29Dup
9/1/2015 1,050 BQL 4,101 2,254 BQL59GW31
8/24/2016 391 BQL 908 597.5 BQL59GW31
8/24/2016 80.5 BQL 191 362.5 BQL59GW31Dup
8/16/2017 195 BQL 472.9 475.7 BQL59GW31
8/15/2018 BQL BQL 317 575 BQL59GW31
8/21/2019 449 BQL 955 959 BQL59GW31
9/1/2015 BQL BQL BQL BQL BQL59GW32
8/24/2016 BQL BQL BQL BQL BQL59GW32
8/16/2017 BQL BQL 32.9 181.7 BQL59GW32
8/16/2017 BQL BQL 44 254 BQL59GW32Dup
8/15/2018 BQL BQL BQL BQL BQL59GW32
8/21/2019 BQL BQL 105 315 BQL59GW32
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 2
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)C19-C36 AliphaticsC5-C8 AliphaticsC9-C18 AliphaticsC9-C22 AromaticsAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.4B
MADEP VPH/EPH
DateSample ID
10000 400 700 2002L GWQS
GCL 0 0 0 0
Contaminant of Concern
9/1/2015 BQL BQL 129 737 BQL59GW33
2/15/2016 BQL BQL 143 735 BQL59GW33
2/15/2017 BQL BQL BQL 495 BQL59GW33
2/19/2018 BQL BQL 30.9 289 BQL59GW33
8/21/2019 BQL BQL 47.8 184.6 BQL59GW33
9/1/2015 BQL BQL BQL BQL BQL59GW35
2/15/2016 BQL BQL BQL BQL BQL59GW35
2/15/2017 BQL BQL BQL BQL BQL59GW35
2/19/2018 BQL BQL BQL BQL BQL59GW35
8/21/2019 BQL BQL BQL BQL BQL59GW35
9/1/2015 BQL BQL BQL BQL BQL59GW36
2/19/2018 BQL BQL BQL BQL BQL59GW36
8/21/2019 BQL BQL BQL BQL BQL59GW36
9/1/2015 BQL BQL BQL BQL BQL59GW37
2/19/2018 BQL BQL BQL BQL BQL59GW37
8/21/2019 BQL BQL BQL 104 BQL59GW37
8/21/2019 BQL BQL BQL BQL BQL59GW37Dup
9/1/2015 BQL BQL BQL BQL BQL59GW38
9/1/2015 BQL BQL BQL BQL BQL59GW39
9/1/2015 BQL BQL BQL BQL BQL59GW40
2/15/2016 BQL BQL BQL BQL BQL59GW40
2/15/2017 BQL BQL BQL BQL BQL59GW40
2/19/2018 BQL BQL BQL BQL BQL59GW40
8/21/2019 BQL BQL BQL BQL BQL59GW40
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 3
9. Well nomenclature in RED indicates the well has been abandoned
GW Standard Revised/Estab.
(See Table III)C19-C36 AliphaticsC5-C8 AliphaticsC9-C18 AliphaticsC9-C22 AromaticsAll Other AnalytesHISTORICAL GROUNDWATER LABORATORY ANALYTICAL RESULTS
SITE 1640
TABLE 5.4B
MADEP VPH/EPH
DateSample ID
10000 400 700 2002L GWQS
GCL 0 0 0 0
Contaminant of Concern
9/1/2015 BQL BQL 89.8 260.9 BQL59GW41
2/15/2016 BQL BQL 102 327.5 BQL59GW41
2/15/2017 BQL BQL BQL 76 BQL59GW41
2/19/2018 BQL BQL 36.1 270.7 BQL59GW41
8/21/2019 BQL BQL 93.6 291.7 BQL59GW41
9/1/2015 BQL BQL BQL BQL BQL59GW42
9/1/2015 BQL BQL BQL BQL BQL59GW42Dup
2/15/2016 BQL BQL BQL BQL BQL59GW42
2/15/2016 BQL BQL BQL BQL BQL59GW42Dup
2/15/2017 BQL BQL BQL BQL BQL59GW42
2/15/2017 BQL BQL BQL BQL BQL59GW42Dup
2/19/2018 BQL BQL BQL BQL BQL59GW42
2/19/2018 BQL BQL BQL BQL BQL59GW42Dup
8/21/2019 BQL BQL BQL BQL BQL59GW42
Notes: 1. 2L GWQS = North Carolina Groundwater Quality Standard 15A NCAC 2L .0202
2. GCL = Gross Contamination Levels for groundwater as defined in "Guidelines for Assessment and
Corrective Action for UST Releases" July 15, 2008 Version, Change 3 Effective December 1, 2013
3. All units are in ug/L (Micrograms per Liter)
4. BQL = Below Quantitation Limits
5. NA = Not Analyzed
6. A zero in the 2L GWQS column indicates the 2L Standard is equal to the laboratory detection limit
7. A zero in the GCL column indicates a GCL has not been established
8. Shaded concentrations indicate exceedance of the 2L GWQS
Page 4
9. Well nomenclature in RED indicates the well has been abandoned
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72GW6372GW62
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59GW2359GW24
59GW37
59GW38
59GW21
59GW3959GW34
59GW20
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59GW3359GW4159GW42
59GW22
59GW36
59GW15
59GW35
59GW16
59GW13
59GW05
59GW0959GW08
59GW10 59GW29
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59GW04
59GW12
59GW14
59GW28
59GW26
59GW25
59GW31
59GW32
59GW18
59GW19
Scale:AS SHOWN
SITE 1640FREE PRODUCT PLUME MAPAS OF AUGUST 2019
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
NOTES
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.1
³
LEGEND
No Measurable Thickness
Product Detected
Free Product Plume
Free Product
!
!
Known Point of Release^_
Fuel Lines
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
Well by Type
àGroundwater FlowDirection (Upper Aquifer)àGroundwater Flow Direction(Lower Aquifer)
J RW
A Surface Water
=T-I
>T-II
S Unknown
Well!
T-III R
T-III-Yorktown!P
100 0 10050
FeetSCALE
Well Number Well Type Date Product Thickness59GW26T-II 8/21/2019 0.05
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59GW19
1639
199
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59GW21
59GW23
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59GW24
59GW20
131
72GW33
72GW6272GW63
72GW31
74GW2474GW23
72GW32
59GW34
59GW1659GW15
59GW30
59GW38
59GW39
59GW12
59GW22
59GW32
59GW31
59GW28
59GW25
59GW2959GW10
59GW08
59GW05
59GW42 59GW41
59GW36
59GW35
59GW33
59GW37
59GW13
59GW09
59GW26
59GW40
Scale:AS SHOWN
SITE 1640EPA METHOD 602 BY SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 - UPPER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
NOTES
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.2A
LEGEND
Known Point of Release^_
³
Fuel Lines
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
Well by Type
RW
Surface Water
T-I
T-II
T-III
Unknown
Well!
J
A
=
>
R
S
T-III - Yorktown!P àGroundwater FlowDirection (Upper Aquifer)
EPA 602/SM 6200B2L CompliantEPA 602/SM 6200B 2L Non-Compliant (UST Compounds)
!
!
Free Product Detected!
EPA 602/SM 6200B 2L Non-Compliant (Non-UST Compounds)!
EPA 602/SM 6200BPlume in Excess of 2L
SCALE
100 0 10050
Feet àGroundwater Flow Direction(Lower Aquifer)
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. No EPA 602 compounds were detected above 2L Standards for any wells sampled during this monitoring event. 3. Contaminant Plume geometry based on the presence of free product.
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131
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72GW6272GW63
72GW31
74GW2474GW23
72GW32
59GW34
59GW1659GW15
59GW30
59GW38
59GW39
59GW12
59GW22
59GW32
59GW31
59GW28
59GW26
59GW25
59GW2959GW10
59GW08
59GW09
59GW05
59GW1359GW35
59GW36
59GW42
59GW41 59GW33
59GW37
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Scale:AS SHOWN
SITE 1640EPA METHOD 602 BY SM 6200B COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 - LOWER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
NOTES
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.2B
LEGEND
Known Point of Release^_
³
Fuel Lines
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
Well by Type
RW
Surface Water
T-I
T-II
T-III
Unknown
Well!
J
A
=
>
R
S
T-III - Yorktown!P àGroundwater FlowDirection (Upper Aquifer)
EPA 602/SM 6200B2L CompliantEPA 602/SM 6200B 2L Non-Compliant (UST Compounds)
!
!
Free Product Detected!
EPA 602/SM 6200B 2L Non-Compliant (Non-UST Compounds)!
EPA 602/SM 6200BPlume in Excess of 2L
SCALE
100 0 10050
Feet àGroundwater Flow Direction(Lower Aquifer)
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. No EPA 602 compounds were detected above 2L Standards for any wells sampled during this monitoring event.
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72GW6272GW63
72GW31
74GW2474GW23
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59GW3459GW1659GW15
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59GW31
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Scale:AS SHOWN
SITE 1640EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESSOF 2L AS OF AUGUST 2019 - UPPER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.3A
³
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
NOTES
LEGEND
Known Point of Release^_
Fuel Lines
Well by Type
RW
Surface Water
T-I
T-II
T-III
Unknown
Well!
J
A
=
>
R
S
T-III - Yorktown!P àGroundwater FlowDirection (Upper Aquifer)àGroundwater Flow Direction (Lower Aquifer)
EPA 610 by EPA 6252L CompliantEPA 610 by EPA 6252L Non-Compliant
EPA 610 by EPA 625Plume in Excess of 2L
!
!
Free Product Detected!
100 0 10050FeetSCALE
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. 2L Standard refers to North Carolina Groundwater Quality Standard 15A NCAC 2L.0202.
3. GCL refers to Gross Contaminant Level as defined in "Guidelines for Assessment and Corrective Action for UST Releases" July 15, 2008 Version, change 3 Effective December 1, 2013.
4. A 2L Standard of "0.00" implies a standard has not yet been established. According to NCAC T15:02L, any compound found above laboratory detection limits is considered non-compliant unless otherwise specified by the NCDEQ.
Sample ID Well Type Well Depth Date Parameter Results Units 2L Standard GCL59GW32T-II 12.50 8/21/2019 Naphthalene 21.90000 ug/L 6.00000 6000.00000
!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
4
44<<>R
>
>R
>R
^_
^_
^_
^_
^_^_
^_^_^_
>
>
>
R
>
R
R
>
>>
>R
>
>
>
>R
>>
>
>
>>
>
R
>
RR
R
R
R
P
RR
59GW18
59GW19
1639
199
1640
59GW21
59GW23
59GW14 59GW04
59GW24
59GW20
131
59GW38
59GW39
72GW33
72GW6272GW63
72GW31
74GW2474GW23
72GW32
59GW3459GW1659GW15
59GW30
59GW28
59GW25
59GW2659GW31
59GW32
59GW12
59GW22
59GW2959GW10
59GW08
59GW05 59GW09
59GW1359GW3559GW36
59GW42 59GW33
59GW40
59GW37
59GW41
Scale:AS SHOWN
SITE 1640EPA METHOD 610 BY EPA METHOD 625 COLORIMETRY AND PLUME IN EXCESSOF 2L AS OF AUGUST 2019 - LOWER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.3B
³
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
NOTES
LEGEND
Known Point of Release^_
Fuel Lines
Well by Type
RW
Surface Water
T-I
T-II
T-III
Unknown
Well!
J
A
=
>
R
S
T-III - Yorktown!P àGroundwater FlowDirection (Upper Aquifer)àGroundwater Flow Direction (Lower Aquifer)
EPA 610 by EPA 6252L CompliantEPA 610 by EPA 6252L Non-Compliant
EPA 610 by EPA 625Plume in Excess of 2L
!
!
Free Product Detected!
100 0 10050FeetSCALE
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. 2L Standard refers to North Carolina Groundwater Quality Standard 15A NCAC 2L.0202.
3. GCL refers to Gross Contaminant Level as defined in "Guidelines for Assessment and Corrective Action for UST Releases" July 15, 2008 Version, change 3 Effective December 1, 2013.
4. A 2L Standard of "0.00" implies a standard has not yet been established. According to NCAC T15:02L, any compound found above laboratory detection limits is considered non-compliant unless otherwise specified by the NCDEQ.
Sample ID Well Type Well Depth Date Parameter Results Units 2L Standard GCL59GW13T-III 44.00 8/21/2019 Naphthalene 7.47000 ug/L 6.00000 6000.0000059GW33T-III 50.00 8/21/2019 Naphthalene 54.90000 ug/L 6.00000 6000.0000059GW41T-III 45.00 8/21/2019 Naphthalene 141.00000 ug/L 6.00000 6000.00000
<<^_
^_
^_
^_
^_^_
^_^_^_
!!!!
!!!!
!!!!
!!!!
!
>R
>
>R
>R
!!!!
!
>
>
>
R
>
R
R
>
>>
>R
>
>
>
>R
>>
>
>
>>
>
R
>
RR
R
R
R
P
RR
59GW30
59GW26
59GW18
59GW19
1639
199
1640
59GW21
59GW23
59GW13
59GW10
59GW14 59GW04
59GW09
59GW32
59GW33
59GW15
59GW35
59GW42
59GW34
59GW36
59GW37
59GW38
59GW25
59GW24
59GW31
59GW12
59GW40
59GW39
59GW41
59GW16
59GW20
59GW28
74GW2474GW23
72GW6372GW62
72GW33
72GW32
72GW31
59GW22
59GW08
59GW05
59GW29
Scale:AS SHOWN
SITE 1640MADEP VPH/EPH COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 - UPPER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
NOTES
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.4A
³
LEGEND
MADEP 2L Compliant
MADEP 2L Non-Compliant
MADEPPlume in Excess of 2L
!
!
Known Point of Release^_
Free Product Detected!
Fuel Lines
Well by Type
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
J RW
A Surface Water
=T-I
>T-II
R T-III
S Unknown
Well!
T-III - YorktownP àGroundwater FlowDirection (Upper Aquifer)àGroundwater Flow Direction (Lower Aquifer)
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. 2L Standard refers to North Carolina Groundwater Quality Standard 15A NCAC 2L.0202.
3. GCL refers to Gross Contaminant Level as defined in "Guidelines for Assessment and Corrective Action for UST Releases" July 15, 2008 Version, change 3 Effective December 1, 2013.
4. A 2L Standard of "0.00" implies a standard has not yet been established. According to NCAC T15:02L, any compound found above laboratory detection limits is considered non-compliant unless otherwise specified by the NCDEQ.
100 0 10050FeetSCALE
Sample ID Well Type Well Depth Date Parameter Results Units 2L Standard GCL59GW25T-II 10.10 8/21/2019 C9-C18 Aliphatics 911.40000 ug/L 700.00000 0.0000059GW25T-II 10.10 8/21/2019 C9-C22 Aromatics 396.30000 ug/L 200.00000 0.0000059GW31T-II 12.50 8/21/2019 C9-C18 Aliphatics 955.00000 ug/L 700.00000 0.0000059GW31T-II 12.50 8/21/2019 C9-C22 Aromatics 959.00000 ug/L 200.00000 0.0000059GW32T-II 12.50 8/21/2019 C9-C22 Aromatics 315.00000 ug/L 200.00000 0.00000
^_
^_
^_
^_
^_^_
^_^_^_
!!!!
!!!!
!!!!
!!!!!!!!
!!!!!!!!
!!!!!!!!
>R
>
>R
>R
!
>
>
>
R
>
R
R
>
>>
>R
>
>
>
>R
>>
>
>
>>
>
R
>
RR
R
R
R
P
RR
59GW30
59GW26
59GW18
59GW19
1639
199
1640
59GW21
59GW23
59GW13
59GW10
59GW14 59GW04
59GW09
59GW32
59GW33
59GW15
59GW35
59GW42
59GW34
59GW08 59GW29
59GW38
59GW25
59GW24
59GW31
59GW05
59GW22
59GW12
59GW39
59GW41
59GW16
59GW20
59GW28
74GW2474GW23
72GW6372GW62
72GW33
72GW32
72GW31
!P 59GW40
59GW36
59GW37
Scale:AS SHOWN
SITE 1640MADEP VPH/EPH COLORIMETRY AND PLUME IN EXCESS OF 2L AS OF AUGUST 2019 - LOWER SURFICIAL AQUIFER
MCAS CHERRY POINTPERIODIC MONITORINGREPORT
NOTES
Job No.:219001 Date Drawn:NOV 2019 Drawn By:THW Checked By:SAC
FIGURE
5.4B
³
LEGEND
MADEP 2L Compliant
MADEP 2L Non-Compliant
MADEPPlume in Excess of 2L
!
!
Known Point of Release^_
Free Product Detected!
Fuel Lines
Well by Type
This document is "FOR OFFICIAL USE ONLY" and it contains info that may be exempt from public release under theFOI Act (5 U.S.C. 552). It is to be handled IAW DoD policy and is not to be released to the public or personnel who do not have a valid "need-to-know" without prior approval of an authorized DoD official.
WARNING:
J RW
A Surface Water
=T-I
>T-II
R T-III
S Unknown
Well!
T-III - YorktownP àGroundwater FlowDirection (Upper Aquifer)àGroundwater Flow Direction (Lower Aquifer)
1. The sampling frequency for this site is Annual and the next sampling event is scheduled for August 2020.
2. 2L Standard refers to North Carolina Groundwater Quality Standard 15A NCAC 2L.0202.
3. GCL refers to Gross Contaminant Level as defined in "Guidelines for Assessment and Corrective Action for UST Releases" July 15, 2008 Version, change 3 Effective December 1, 2013.
4. A 2L Standard of "0.00" implies a standard has not yet been established. According to NCAC T15:02L, any compound found above laboratory detection limits is considered non-compliant unless otherwise specified by the NCDEQ.
100 0 10050FeetSCALESample ID Well Type Well Depth Date Parameter Results Units 2L Standard GCL59GW41T-III 45.00 8/21/2019 C9-C22 Aromatics 291.70000 ug/L 200.00000 0.00000