GLM & Associates. February 9, 2018

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1 GLM & Associates Geoffrey L. Maddux Environmental Consultant 7497 Harvest Village Court P.O. Box 5339 Navarre, Florida (850) , Fax (850) February 9, 2018 Ms. Dawn Templin, P.E. Florida Department of Environmental Protection 160 Governmental Center Pensacola, Florida RE: Semi-annual groundwater monitoring report No. 35 at D.H. Griffin Wrecking Company, Inc. Construction and Debris Landfill, GMS I.D. Number: NWD/17/ Dear Ms. Templin: Attached is an electronic copy of GLM & Associates, Inc., (GLM) semi-annual monitoring report for D.H. Griffin Wrecking Company s Tower Ridge Construction and Debris (C&D) Landfill in the 9600 block of Tower Ridge Road in the community of Beulah in western Escambia County. Thirty five (35) semi-annual sampling events have been conducted at D.H. Griffin Wrecking Company s Construction and Debris Landfill. GLM & Associates, Inc. (GLM) conducted groundwater sampling on January 18, Groundwater samples were submitted to Pace Analytical Laboratories for analysis. GLM analyzed groundwater samples as outlined in D.H. Griffin Wrecking Company Construction and Debris Landfill permit dated June 24, The new permit issued in June of 2016 allowed D.H. Griffin to reduce the number of compounds analyzed after conducting the first sampling event after issuance of the permit in accordance with Chapter (7)(a). There have been several anomalies over the last seventeen (17) years where minor violations of the Primary Drinking Water Standard were detected during semi-annual sampling events, but none of these violations were ever found in two (2) consecutive sampling events. ph values in MW-1, MW-2 and MW-3 continue to fall outside of the anticipated range. Over the last thirty five (35) sampling events there have been occasional violations of the Secondary Drinking Water Standards mainly from Aluminum and Iron in all the wells, but MW-2 the downgradient monitoring well has shown the most Iron and Aluminum violations. No violations of the Primary and Secondary Drinking Water Standards were found in the January 18, 2018 sampling event. Laboratory data in the ADaPT software format containing Laboratory and Field EDDs provided by Pace Analytical, GLM s review of the laboratory data using ADaPT software, the laboratory analytical report in pdf format and this report are attached to this . The laboratory data report, field sampling logs (FDEP Form FD ) with the Chain-of-custody forms are also included in GLM s report. Water levels in all monitoring wells at the subject site were measured on January 18, Table 1 shows groundwater elevation data collected during the last thirty five (35) sampling events. The attached Figure shows groundwater flow direction towards the west/southwest in January of Groundwater elevations decreased from those found in July of 2017 and the fall of 2017 has been moderately dry. Table 2 shows results for selected parameters. The Pensacola office of D.H. Griffin was closed in August of 2014 and employees of D.H. Griffin no longer visit the facility on a regular

3 TABLES

4 TABLE 1 - GROUNDWATER ELEVATION SUMMARY FACILITY NAME: D.H. Griffin Tower Ridge Landfill All Measurements = Feet No Data = Blank FAC GMS#: NWD/17/ WELL NO. MW-1 MW-2 MW-3 DIAMETER 2" 2" 2" WELL DEPTH 45 ft 52 ft 50 ft SCREEN INTERVAL TOC ELEVATION DATE ELEV DTW FP ELEV DTW FP ELEV DTW FP 2/3/ NA NA NA 3/20/ NA NA NA 7/26/ NA NA NA 2/8/ NA NA NA 6/21/ NA NA NA 12/6/ NA NA NA 7/9/ NA NA NA 12/9/ NA NA NA 6/23/ NA NA NA 7/20/ NA NA NA 11/2/ NA NA NA 3/29/ NA NA NA 7/11/ NA NA NA 12/13/ NA NA NA 7/13/ NA NA NA 12/18/ NA NA NA 6/23/ NA NA NA 12/8/ NA NA NA 6/15/ NA NA NA 12/14/ NA NA NA 6/29/ NA NA NA 12/16/ NA NA NA 7/20/ NA NA NA 12/15/ NA NA NA 6/13/ NA NA NA 12/13/ NA NA NA 6/18/ NA NA NA 12/30/ NA NA NA 6/27/ NA NA NA 12/17/ NA NA NA 6/25/ NA NA NA 12/21/ NA NA NA 6/27/ NA NA NA 12/26/ NA NA NA 7/5/ NA NA NA 1/18/ NA NA NA

5 GLM Associates, Inc. TABLE 2-GROUNDWATER ANALYTICAL RESULTS Facility Name: D.H. Griffin's Tower Ridge Facility, 9600 Tower Ridge Road, Beulah, Fl. Not Sampled = NS parts per billion=ppb GMS I.D. # NWD/17/ parts per million =ppm Sample Benzene Lead TDS Sulfate Iron Al Turb ph Boron Strontium Location Date (ppb) (ppm) (ppm) (ppm) (ppm) (ppm) NTU (ppm) (ppm) MW-1 2/3/2000 <0.33 <0.002 <4.3 <0.57 < /20/2001 <0.30 <0.005 <5.0 <5 <0.1 < /26/2001 <0.30 < <5 <0.1 < /8/2002 < < /21/2002 <0.30 < < /6/2002 <0.3 < <5 <0.1 < /9/2003 <0.30 < < /9/2003 <0.25 < < /23/2004 <0.25 < < /12/2005 <0.15 < < /2/ < < < /29/2006 <0.15 < < /11/2006 < < /13/2006 < < /13/2007 < /18/2007 < < /23/2008 < < /8/2008 <0.30 < /15/2009 <0.30 < /14/2009 <0.30 < <0.05 < /29/2010 <0.30 < /16/2010 <0.34 < < /20/2011 <0.34 < <1.4 <0.05 < /15/2011 <0.34 < < < /13/2012 <0.34 <0.002 < /13/2012 <0.34 < /18/2013 <0.34 < /30/ U U 4.0 I 1.4 U I /27/ U U I /17/ U U U I /25/ U U I I /21/ U I I /27/ U U I I /26/2016 NS NS I NS NS 7/5/2017 NS NS 5.0 U 3.5 I NS NS 1/18/2018 NS NS I 0.02 U 0.05 U NS NS Standard Values listed in bold exceed secondary drinking water standards

6 GLM Associates, Inc. TABLE 2-GROUNDWATER ANALYTICAL RESULTS Facility Name: D.H. Griffin's Tower Ridge Facility, 9600 Tower Ridge Road, Beulah, Fl. Not Sampled = NS parts per billion=ppb GMS I.D. # NWD/17/ parts per million =ppm Sample Benzene Lead TDS Sulfate Iron Al Turb ph Boron Strontium Location Date (ppb) (ppm) (ppm) (ppm) (ppm) (ppm) NTU (ppm) (ppm) MW-2 2/3/2000 <0.33 < < < /20/2001 <0.3 <0.005 <5 <5 <0.1 < /26/2001 <0.30 <0.005 <5 <5 <0.1 < /8/2002 <0.30 <0.005 < /21/2002 <0.30 < < /6/02 <0.30 < < < /9/2003 <0.30 < < /9/2003 <0.25 <0.002 <5 < /23/2004 <0.25 < /14/2005 < /2/2005 <0.15 < < /29/2006 <0.15 < < /11/2006 <0.15 < /13/2006 < < Iron sample collected on found at ppm 7/13/2007 <0.15 < <1.1 < /18/2007 < < < /23/2008 <0.15 < /8/2008 <0.30 < /15/2009 <0.30 < /14/2009 <0.30 < /29/2010 <0.30 < < /16/2010 <0.34 < < /20/2011 <0.34 < < < /15/2011 <0.34 < <1.4 <0.05 < /13/2012 <0.34 <0.002 < < /13/2012 <0.34 < /18/2013 <0.34 < < /30/ U U 3.4 U 1.6 I 0.05 U 0.04 U U /27/ U U U I /17/ U U V U /25/ U U I /21/ U U U I U /27/ U U U /26/2016 NS NS 5.0 U 4.1 I 0.30 I NS NS 7/5/2017 NS NS 5.0 U 3.7 I I NS NS 1/18/2018 NS NS I I 0.05 U NS NS Standard Values listed in bold exceed secondary drinking water standards

7 GLM Associates, Inc. TABLE 2-GROUNDWATER ANALYTICAL RESULTS Facility Name: D.H. Griffin's Tower Ridge Facility, 9600 Tower Ridge Road, Beulah, Fl. Not Sampled = NS parts per billion=ppb GMS I.D. # NWD/17/ parts per million =ppm Sample Benzene Lead TDS Sulfate Iron Al Turb ph Boron Strontium Location Date (ppb) (ppm) (ppm) (ppm) (ppm) (ppm) NTU (ppm) (ppm) MW-3 2/3/2000 <0.33 <0.002 <4.3 < /20/2001 <0.30 < <5 <0.1 < /26/2001 <0.30 < <5 <0.1 < /8/2002 <0.30 < /21/2002 <0.30 < <0.1 < /6/2002 <0.30 < <5 <0.1 < /9/2003 <0.30 < /9/2003 <0.25 < < /23/2004 <0.25 < < /14/2005 < < /2/2005 <0.15 < < < /29/2006 <0.15 < < /11/2006 < < /13/2006 < < /13/2007 <0.15 < < /18/2007 < /23/2008 < < /8/2008 <0.30 < <0.05 < /15/2009 <0.30 < <0.05 < /14/2009 <0.30 < <0.05 < /29/2010 <0.30 < /16/2010 <0.34 < < /20/2011 <0.34 < < /15/2011 <0.34 < < < /13/2012 <0.34 < /13/2012 <0.34 < < /18/2013 <0.34 < <0.05 < /30/ U U I I I I /27/ U U I U /17/ U U U I I /25/ U U U I /21/ U U I I I I /27/ U U I /26/2016 NS NS NS NS 7/5/2017 NS NS NS NS 1/18/2018 NS NS I 0.02 U 0.05 U NS NS Standard Values listed in bold exceed secondary drinking water standards

8 FIGURE

10 LABORATORY REPORT, FDEP FORM (2), FDEP FORMS FD and CHAIN-OF-CUSTODY

#=CL# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL 33064 954-582-4300 LIMS USE: FR - GEOFF MADDUX LIMS OBJECT ID: 35369327 January 29, 2018 Geoff Maddux GLM and Associates

12 #=CL# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL LIMS USE: FR - GEOFF MADDUX LIMS OBJECT ID: January 29, 2018 Geoff Maddux GLM and Associates P.O. Box 5339 Navarre, FL RE: Project: DH Griffin Landfill Pace Project No.: Dear Geoff Maddux: Enclosed are the analytical results for sample(s) received by the laboratory on January 20, The results relate only to the samples included in this report. s reported herein conform to the most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual, where applicable, unless otherwise noted in the body of the report. If you have any questions concerning this report, please feel free to contact me. Sincerely, Christina Raschke christina.raschke@pacelabs.com (954) Project Manager Enclosures cc: Dawn Hudson, Gulf Coast Labnet Danny Miller, Gulf Coast Labnet Carl Williams, Gulf Coast Labnet REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 1 of 16

13 #=CP# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL CERTIFICATIONS Project: Pace Project No.: DH Griffin Landfill Ormond Beach Certification IDs 8 East Tower Circle, Ormond Beach, FL Alabama Certification #: Connecticut Certification #: PH-0216 Delaware Certification: FL NELAC Reciprocity Florida Certification #: E83079 Georgia Certification #: 955 Guam Certification: FL NELAC Reciprocity Hawaii Certification: FL NELAC Reciprocity Illinois Certification #: Indiana Certification: FL NELAC Reciprocity Kansas Certification #: E Louisiana Certification #: FL NELAC Reciprocity Louisiana Environmental Certificate #: Maryland Certification: #346 Michigan Certification #: 9911 Mississippi Certification: FL NELAC Reciprocity Missouri Certification #: 236 Montana Certification #: Cert 0074 Nebraska Certification: NE-OS Nevada Certification: FL NELAC Reciprocity New Jersey Certification #: FL022 New York Certification #: North Carolina Environmental Certificate #: 667 North Carolina Certification #: Oklahoma Certification #: D9947 Pennsylvania Certification #: Puerto Rico Certification #: FL01264 South Carolina Certification: # Tennessee Certification #: TN02974 Texas Certification: FL NELAC Reciprocity US Virgin Islands Certification: FL NELAC Reciprocity Virginia Environmental Certification #: Wyoming Certification: FL NELAC Reciprocity West Virginia Certification #: 9962C Wisconsin Certification #: Wyoming (EPA Region 8): FL NELAC Reciprocity REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 2 of 16

14 #=SS# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL SAMPLE SUMMARY Project: Pace Project No.: DH Griffin Landfill Lab ID Sample ID Matrix Date Collected Date Received MW3 Water 01/18/18 10:45 01/20/18 11: MW2 Water 01/18/18 11:35 01/20/18 11: MW1 Water 01/18/18 12:45 01/20/18 11:04 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 3 of 16

15 #=SA# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL SAMPLE ANALYTE COUNT Project: Pace Project No.: DH Griffin Landfill Lab ID Sample ID Method Analysts Analytes Reported Laboratory MW3 EPA 6010 BTS 2 PASI-O EPA MLO 1 PASI-O SM 2540C LV1 1 PASI-O EPA CMB 1 PASI-O MW2 EPA 6010 BTS 2 PASI-O EPA MLO 1 PASI-O SM 2540C LV1 1 PASI-O EPA CMB 1 PASI-O MW1 EPA 6010 BTS 2 PASI-O EPA MLO 1 PASI-O SM 2540C LV1 1 PASI-O EPA CMB 1 PASI-O REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 4 of 16

16 #=HO# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL SUMMARY OF DETECTION Project: Pace Project No.: DH Griffin Landfill Lab Sample ID Method Client Sample ID Parameters Units Report Limit Analyzed Qualifiers MW3 EPA 6010 Iron 94.2 ug/l /24/18 22:07 SM 2540C Total Dissolved Solids 22.0 mg/l /22/18 09:36 EPA Sulfate 3.2 I mg/l /22/18 18: MW2 EPA 6010 Iron 22.7 I ug/l /24/18 22:11 SM 2540C Total Dissolved Solids 12.0 mg/l /22/18 09:36 EPA Sulfate 3.5 I mg/l /22/18 18: MW1 SM 2540C Total Dissolved Solids 19.0 mg/l /22/18 09:37 EPA Sulfate 2.7 I mg/l /22/18 18:52 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 5 of 16

17 #=AR# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL ANALYTICAL RESULTS Project: DH Griffin Landfill Pace Project No.: Sample: MW3 Lab ID: Collected: 01/18/18 10:45 Received: 01/20/18 11:04 Matrix: Water Parameters s Units PQL MDL DF Prepared Analyzed CAS No. Qual 6010 MET ICP Analytical Method: EPA 6010 Preparation Method: EPA 3010 Aluminum 50.0 U ug/l /23/18 10:53 01/24/18 22: Iron 94.2 ug/l /23/18 10:53 01/24/18 22: Mercury Analytical Method: EPA Preparation Method: EPA Mercury 0.10 U ug/l /23/18 12:18 01/25/18 09: C Total Dissolved Solids Analytical Method: SM 2540C Total Dissolved Solids 22.0 mg/l /22/18 09: IC Anions 28 Days Analytical Method: EPA Sulfate 3.2 I mg/l /22/18 18: REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 6 of 16

18 #=AR# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL ANALYTICAL RESULTS Project: DH Griffin Landfill Pace Project No.: Sample: MW2 Lab ID: Collected: 01/18/18 11:35 Received: 01/20/18 11:04 Matrix: Water Parameters s Units PQL MDL DF Prepared Analyzed CAS No. Qual 6010 MET ICP Analytical Method: EPA 6010 Preparation Method: EPA 3010 Aluminum 50.0 U ug/l /23/18 10:53 01/24/18 22: Iron 22.7 I ug/l /23/18 10:53 01/24/18 22: Mercury Analytical Method: EPA Preparation Method: EPA Mercury 0.10 U ug/l /23/18 12:18 01/25/18 09: C Total Dissolved Solids Analytical Method: SM 2540C Total Dissolved Solids 12.0 mg/l /22/18 09: IC Anions 28 Days Analytical Method: EPA Sulfate 3.5 I mg/l /22/18 18: REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 7 of 16

19 #=AR# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL ANALYTICAL RESULTS Project: DH Griffin Landfill Pace Project No.: Sample: MW1 Lab ID: Collected: 01/18/18 12:45 Received: 01/20/18 11:04 Matrix: Water Parameters s Units PQL MDL DF Prepared Analyzed CAS No. Qual 6010 MET ICP Analytical Method: EPA 6010 Preparation Method: EPA 3010 Aluminum 50.0 U ug/l /23/18 10:53 01/24/18 22: Iron 20.0 U ug/l /23/18 10:53 01/24/18 22: Mercury Analytical Method: EPA Preparation Method: EPA Mercury 0.10 U ug/l /23/18 12:18 01/25/18 09: C Total Dissolved Solids Analytical Method: SM 2540C Total Dissolved Solids 19.0 mg/l /22/18 09: IC Anions 28 Days Analytical Method: EPA Sulfate 2.7 I mg/l /22/18 18: REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 8 of 16

20 #=QC# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALITY CONTROL DATA Project: Pace Project No.: DH Griffin Landfill QC Batch: QC Batch Method: EPA Analysis Method: Analysis Description: Associated Lab Samples: , , EPA Mercury METHOD BLANK: Associated Lab Samples: , , Parameter Units Blank Matrix: Water Reporting Limit MDL Analyzed Mercury ug/l 0.10 U /25/18 08:37 Qualifiers LABORATORY CONTROL SAMPLE: Parameter Units Spike Conc. LCS LCS % Rec % Rec Limits Mercury ug/l Qualifiers MATRIX SPIKE & MATRIX SPIKE DUPLICATE: MS Spike Parameter Units Conc. MSD Spike Conc MS MSD MS % Rec MSD % Rec Max % Rec Limits RPD RPD Mercury ug/l U mg/l Qual MATRIX SPIKE & MATRIX SPIKE DUPLICATE: MS Spike Parameter Units Conc. MSD Spike Conc MS MSD MS % Rec MSD % Rec Max % Rec Limits RPD RPD Mercury ug/l U mg/l Qual s presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 9 of 16

21 #=QC# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALITY CONTROL DATA Project: Pace Project No.: DH Griffin Landfill QC Batch: QC Batch Method: EPA 3010 Analysis Method: Analysis Description: Associated Lab Samples: , , EPA MET METHOD BLANK: Associated Lab Samples: , , Parameter Units Blank Matrix: Water Reporting Limit MDL Analyzed Aluminum ug/l 50.0 U /24/18 20:03 Iron ug/l 20.0 U /24/18 20:03 Qualifiers LABORATORY CONTROL SAMPLE: Parameter Units Spike Conc. LCS LCS % Rec % Rec Limits Aluminum ug/l Iron ug/l Qualifiers MATRIX SPIKE & MATRIX SPIKE DUPLICATE: MS Spike Parameter Units Conc. MSD Spike Conc MS MSD MS % Rec MSD % Rec Max % Rec Limits RPD RPD Aluminum ug/l 2500 U Iron ug/l Qual s presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 10 of 16

22 #=QC# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALITY CONTROL DATA Project: Pace Project No.: DH Griffin Landfill QC Batch: QC Batch Method: SM 2540C Analysis Method: Analysis Description: Associated Lab Samples: , , SM 2540C 2540C Total Dissolved Solids METHOD BLANK: Associated Lab Samples: , , Parameter Units Blank Matrix: Water Reporting Limit MDL Analyzed Total Dissolved Solids mg/l 5.0 U /22/18 09:33 Qualifiers LABORATORY CONTROL SAMPLE: Parameter Units Spike Conc. LCS LCS % Rec % Rec Limits Total Dissolved Solids mg/l Qualifiers SAMPLE DUPLICATE: Parameter Units Dup Total Dissolved Solids mg/l J(D6) RPD Max RPD Qualifiers s presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 11 of 16

23 #=QC# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALITY CONTROL DATA Project: Pace Project No.: DH Griffin Landfill QC Batch: QC Batch Method: EPA Analysis Method: Analysis Description: Associated Lab Samples: , , EPA IC Anions METHOD BLANK: Associated Lab Samples: , , Parameter Units Blank Matrix: Water Reporting Limit MDL Analyzed Sulfate mg/l 2.5 U /22/18 12:13 Qualifiers LABORATORY CONTROL SAMPLE: Parameter Units Spike Conc. LCS LCS % Rec % Rec Limits Sulfate mg/l Qualifiers MATRIX SPIKE & MATRIX SPIKE DUPLICATE: MS Spike Parameter Units Conc. MSD Spike Conc MS MSD MS % Rec MSD % Rec Max % Rec Limits RPD RPD Sulfate mg/l 2.5 U J(M1) Qual MATRIX SPIKE & MATRIX SPIKE DUPLICATE: MS Spike Parameter Units Conc. MSD Spike Conc MS MSD MS % Rec MSD % Rec Max % Rec Limits RPD RPD Sulfate mg/l 2.5 U Qual s presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 12 of 16

24 #=QL# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALIFIERS Project: Pace Project No.: DH Griffin Landfill DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count MDL - Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean-Up U - Indicates the compound was analyzed for, but not detected. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI - The NELAC Institute. LABORATORIES PASI-O Pace Analytical Services - Ormond Beach ANALYTE QUALIFIERS I U J(D6) J(M1) The reported value is between the laboratory method detection limit and the laboratory practical quantitation limit. Compound was analyzed for but not detected. Estimated Value. The relative percent difference (RPD) between the sample and sample duplicate exceeded laboratory control limits. Estimated Value. Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery. Date: 01/29/ :08 PM REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 13 of 16

25 #=CR# Pace Analytical Services, LLC 3610 Park Central Blvd N Pompano Beach, FL QUALITY CONTROL DATA CROSS REFERENCE TABLE Project: Pace Project No.: DH Griffin Landfill Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch MW3 EPA EPA MW2 EPA EPA MW1 EPA EPA MW3 EPA EPA MW2 EPA EPA MW1 EPA EPA MW3 SM 2540C MW2 SM 2540C MW1 SM 2540C MW3 EPA MW2 EPA MW1 EPA REPORT OF LABORATORY ANALYSIS Date: 01/29/ :08 PM This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Page 14 of 16

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32 RAINFALL DATA

If you have any questions concerning this report, please feel free to contact me. REPORT OF LABORATORY ANALYSIS

If you have any questions concerning this report, please feel free to contact me. REPORT OF LABORATORY ANALYSIS #=CL# LIMS USE: FR - JILL LAVOIE LIMS OBJECT ID: July 16, 2015 Jill Lavoie Merrimack Village District - UCMR3 2 Greens Pond Road Merrimack, NH 03054 RE: Dear Jill Lavoie: Enclosed are the analytical results