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HomeMy WebLinkAboutRA-1706_10508_CA_LAB_2020021302/13/20 Technical Report for ATC Group Services LLC Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC SLP1050804 SGS Job Number: LA61492 Sampling Date: 02/05/20 Report to: ATC Group Services LLC. 2725 East Millbrook Road Suite 121 Raleigh, NC 27604 gabe.araos@atcassociates.com; rick.kleinfelter@atcassociates.com ATTN: Gabe Araos Total number of pages in report: Certifications: LDEQ(2048), LDHH(LA150012), AR(14-045-04), AZ(AZ0805), FL(E87657), IL(200082), KY(#31), NC(487), SC(73004001), NJ(LA007), TX(T104704186-18-16), WV(257) This report shall not be reproduced, except in its entirety, without the written approval of SGS. Test results relate only to samples analyzed. SGS North America Inc. • 500 Ambassador Caffery • Scott, LA 70583 • tel: 337-237-4775 Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Program and/or state specific certification programs as applicable. Client Service contact: Amy Jackson 337-237-4775 Ron Benjamin Lab Director Scott, LA 02/13/20 e-Hardcopy 2.0 Automated Report 59 SGS is the sole authority for authorizing edits or modifications to this document. Unauthorized modification of this report is strictly prohibited. Review standard terms at: http://www.sgs.com/en/terms-and-conditions The results set forth herein are provided by SGS North America Inc. Please share your ideas about how we can serve you better at: EHS.US.CustomerCare@sgs.com 1 of 59 LA61492 Table of Contents -1- Sections: Section 1: Sample Summary ...................................................................................................3 Section 2: Summary of Hits ....................................................................................................4 Section 3: Sample Results ........................................................................................................6 3.1: LA61492-1: MW1 ........................................................................................................7 3.2: LA61492-2: MW2 ........................................................................................................10 3.3: LA61492-3: MW3 ........................................................................................................13 3.4: LA61492-4: MW6 ........................................................................................................16 3.5: LA61492-5: MW9 ........................................................................................................19 3.6: LA61492-6: MW13 ......................................................................................................22 3.7: LA61492-7: MW16D ...................................................................................................25 3.8: LA61492-8: PW1 ..........................................................................................................28 3.9: LA61492-9: PW2 ..........................................................................................................31 3.10: LA61492-10: FIELD BLANK ....................................................................................34 Section 4: Misc. Forms ............................................................................................................37 4.1: Chain of Custody ...........................................................................................................38 Section 5: MS Volatiles - QC Data Summaries .....................................................................41 5.1: Method Blank Summary ................................................................................................42 5.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................48 5.3: Matrix Spike/Matrix Spike Duplicate Summary ...........................................................54 123452 of 59 LA61492 SGS North America Inc. Sample Summary ATC Group Services LLC Job No:LA61492 Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Project No: SLP1050804 Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID This report contains results reported as ND = Not detected. The following applies: Organics ND = Not detected above the RL LA61492-1 02/05/20 14:30 TJ 02/07/20 AQ Ground Water MW1 LA61492-2 02/05/20 12:15 TJ 02/07/20 AQ Ground Water MW2 LA61492-3 02/05/20 13:55 TJ 02/07/20 AQ Ground Water MW3 LA61492-4 02/05/20 12:45 TJ 02/07/20 AQ Ground Water MW6 LA61492-5 02/05/20 13:15 TJ 02/07/20 AQ Ground Water MW9 LA61492-6 02/05/20 10:40 TJ 02/07/20 AQ Ground Water MW13 LA61492-7 02/05/20 11:40 TJ 02/07/20 AQ Ground Water MW16D LA61492-8 02/05/20 10:05 TJ 02/07/20 AQ Ground Water PW1 LA61492-9 02/05/20 14:50 TJ 02/07/20 AQ Ground Water PW2 LA61492-10 02/05/20 13:20 TJ 02/07/20 AQ Field Blank Water FIELD BLANK 3 of 59 LA614921 Summary of Hits Page 1 of 2 Job Number:LA61492 Account:ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Collected:02/05/20 Lab Sample ID Client Sample ID Result/ Analyte Qual RL MDL Units Method LA61492-1 MW1 Benzene 30.2 10 ug/l SM 6200B n-Butylbenzene 13.6 10 ug/l SM 6200B Carbon Tetrachloride 102 4.0 ug/l SM 6200B Chloroform 24.5 10 ug/l SM 6200B 1,2-Dichloroethane 57.4 4.0 ug/l SM 6200B Ethylbenzene 590 10 ug/l SM 6200B Isopropylbenzene 45.5 10 ug/l SM 6200B Naphthalene 275 10 ug/l SM 6200B n-Propylbenzene 113 10 ug/l SM 6200B Toluene 49.6 10 ug/l SM 6200B 1,1,2-Trichloroethane 30.4 6.0 ug/l SM 6200B 1,2,4-Trimethylbenzene 221 10 ug/l SM 6200B 1,3,5-Trimethylbenzene 105 10 ug/l SM 6200B m,p-Xylene 1400 20 ug/l SM 6200B o-Xylene 42.2 10 ug/l SM 6200B Xylene (total)1450 10 ug/l SM 6200B LA61492-2 MW2 Naphthalene 1.6 0.50 ug/l SM 6200B 1,2,4-Trimethylbenzene 0.99 0.50 ug/l SM 6200B LA61492-3 MW3 Benzene 905 10 ug/l SM 6200B Carbon Tetrachloride 110 4.0 ug/l SM 6200B Chloroform 27.2 10 ug/l SM 6200B 1,2-Dichloroethane 63.4 4.0 ug/l SM 6200B Ethylbenzene 588 10 ug/l SM 6200B Isopropylbenzene 30.5 10 ug/l SM 6200B Methyl Chloride 18.6 10 ug/l SM 6200B Methylene Chloride 11.4 10 ug/l SM 6200B Naphthalene 155 10 ug/l SM 6200B n-Propylbenzene 87.9 10 ug/l SM 6200B Toluene 122 10 ug/l SM 6200B 1,1,2-Trichloroethane 32.5 6.0 ug/l SM 6200B 1,2,4-Trimethylbenzene 488 10 ug/l SM 6200B 1,3,5-Trimethylbenzene 109 10 ug/l SM 6200B m,p-Xylene 544 20 ug/l SM 6200B o-Xylene 112 10 ug/l SM 6200B Xylene (total)656 10 ug/l SM 6200B 4 of 59 LA614922 Summary of Hits Page 2 of 2 Job Number:LA61492 Account:ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Collected:02/05/20 Lab Sample ID Client Sample ID Result/ Analyte Qual RL MDL Units Method LA61492-4 MW6 No hits reported in this sample. LA61492-5 MW9 Methyl Tert Butyl Ether 0.78 0.50 ug/l SM 6200B LA61492-6 MW13 Methyl Tert Butyl Ether 1.1 0.50 ug/l SM 6200B LA61492-7 MW16D n-Butylbenzene 0.65 0.50 ug/l SM 6200B sec-Butylbenzene 1.8 0.50 ug/l SM 6200B Di-Isopropyl Ether 4.2 0.50 ug/l SM 6200B Isopropylbenzene 1.0 0.50 ug/l SM 6200B Methyl Chloride 2.5 0.50 ug/l SM 6200B Methyl Tert Butyl Ether 6.2 0.50 ug/l SM 6200B n-Propylbenzene 1.2 0.50 ug/l SM 6200B Vinyl Acetate 3.4 0.50 ug/l SM 6200B m,p-Xylene 1.7 1.0 ug/l SM 6200B Xylene (total)1.9 0.50 ug/l SM 6200B LA61492-8 PW1 Di-Isopropyl Ether 2.0 0.50 ug/l SM 6200B Methyl Tert Butyl Ether 9.4 0.50 ug/l SM 6200B LA61492-9 PW2 Di-Isopropyl Ether 3.8 0.50 ug/l SM 6200B Methyl Tert Butyl Ether 13.3 0.50 ug/l SM 6200B LA61492-10 FIELD BLANK Toluene 0.50 0.50 ug/l SM 6200B 5 of 59 LA614922 SGS North America Inc. Sample Results Report of Analysis Scott, LA Section 3 6 of 59 LA614923 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW1 Lab Sample ID:LA61492-1 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122641.D 20 02/11/20 17:05 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 200 ug/l 71-43-2 Benzene 30.2 10 ug/l 108-86-1 Bromobenzene ND 10 ug/l 74-97-5 Bromochloromethane ND 10 ug/l 75-27-4 Bromodichloromethane ND 10 ug/l 75-25-2 Bromoform ND 10 ug/l 104-51-8 n-Butylbenzene 13.6 10 ug/l 135-98-8 sec-Butylbenzene ND 10 ug/l 98-06-6 tert-Butylbenzene ND 10 ug/l 56-23-5 Carbon Tetrachloride 102 4.0 ug/l 108-90-7 Chlorobenzene ND 10 ug/l 75-00-3 Chloroethane ND 10 ug/l 67-66-3 Chloroform 24.5 10 ug/l 95-49-8 o-Chlorotoluene ND 10 ug/l 106-43-4 p-Chlorotoluene ND 10 ug/l 124-48-1 Dibromochloromethane ND 4.0 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 10 ug/l 106-93-4 1,2-Dibromoethane ND 10 ug/l 75-71-8 Dichlorodifluoromethane ND 10 ug/l 541-73-1 m-Dichlorobenzene ND 10 ug/l 95-50-1 o-Dichlorobenzene ND 10 ug/l 106-46-7 p-Dichlorobenzene ND 10 ug/l 75-34-3 1,1-Dichloroethane ND 10 ug/l 107-06-2 1,2-Dichloroethane 57.4 4.0 ug/l 75-35-4 1,1-Dichloroethylene ND 10 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 10 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 10 ug/l 78-87-5 1,2-Dichloropropane ND 6.0 ug/l 142-28-9 1,3-Dichloropropane ND 10 ug/l 594-20-7 2,2-Dichloropropane ND 10 ug/l 563-58-6 1,1-Dichloropropene ND 10 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 4.0 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 7 of 59 LA6149233.1 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW1 Lab Sample ID:LA61492-1 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 4.0 ug/l 108-20-3 Di-Isopropyl Ether ND 10 ug/l 64-17-5 Ethyl Alcohol ND 1000 ug/l 100-41-4 Ethylbenzene 590 10 ug/l 591-78-6 2-Hexanone ND 20 ug/l 87-68-3 Hexachlorobutadiene ND 4.0 ug/l 98-82-8 Isopropylbenzene 45.5 10 ug/l 99-87-6 p-Isopropyltoluene ND 10 ug/l 74-83-9 Methyl Bromide ND 10 ug/l 74-87-3 Methyl Chloride ND 10 ug/l 74-95-3 Methylene Bromide ND 10 ug/l 75-09-2 Methylene Chloride ND 10 ug/l 78-93-3 Methyl Ethyl Ketone ND 500 ug/l 108-10-1 4-Methyl-2-pentanone ND 10 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 10 ug/l 91-20-3 Naphthalene 275 10 ug/l 103-65-1 n-Propylbenzene 113 10 ug/l 100-42-5 Styrene ND 10 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 10 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 4.0 ug/l 127-18-4 Tetrachloroethylene ND 10 ug/l 108-88-3 Toluene 49.6 10 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 10 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 10 ug/l 71-55-6 1,1,1-Trichloroethane ND 10 ug/l 79-00-5 1,1,2-Trichloroethane 30.4 6.0 ug/l 79-01-6 Trichloroethylene ND 10 ug/l 75-69-4 Trichlorofluoromethane ND 10 ug/l 96-18-4 1,2,3-Trichloropropane ND 10 ug/l 95-63-6 1,2,4-Trimethylbenzene 221 10 ug/l 108-67-8 1,3,5-Trimethylbenzene 105 10 ug/l 108-05-4 Vinyl Acetate ND 10 ug/l 75-01-4 Vinyl Chloride ND 2.0 ug/l m,p-Xylene 1400 20 ug/l 95-47-6 o-Xylene 42.2 10 ug/l 1330-20-7 Xylene (total)1450 10 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 102%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 8 of 59 LA6149233.1 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW1 Lab Sample ID:LA61492-1 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 98%70-130% 460-00-4 4-Bromofluorobenzene 99%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 9 of 59 LA6149233.1 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW2 Lab Sample ID:LA61492-2 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122652.D 1 02/11/20 22:42 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 10 of 59 LA6149233.2 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW2 Lab Sample ID:LA61492-2 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene 1.6 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene 0.99 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 102%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 11 of 59 LA6149233.2 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW2 Lab Sample ID:LA61492-2 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 97%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 12 of 59 LA6149233.2 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW3 Lab Sample ID:LA61492-3 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122642.D 20 02/11/20 17:35 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 200 ug/l 71-43-2 Benzene 905 10 ug/l 108-86-1 Bromobenzene ND 10 ug/l 74-97-5 Bromochloromethane ND 10 ug/l 75-27-4 Bromodichloromethane ND 10 ug/l 75-25-2 Bromoform ND 10 ug/l 104-51-8 n-Butylbenzene ND 10 ug/l 135-98-8 sec-Butylbenzene ND 10 ug/l 98-06-6 tert-Butylbenzene ND 10 ug/l 56-23-5 Carbon Tetrachloride 110 4.0 ug/l 108-90-7 Chlorobenzene ND 10 ug/l 75-00-3 Chloroethane ND 10 ug/l 67-66-3 Chloroform 27.2 10 ug/l 95-49-8 o-Chlorotoluene ND 10 ug/l 106-43-4 p-Chlorotoluene ND 10 ug/l 124-48-1 Dibromochloromethane ND 4.0 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 10 ug/l 106-93-4 1,2-Dibromoethane ND 10 ug/l 75-71-8 Dichlorodifluoromethane ND 10 ug/l 541-73-1 m-Dichlorobenzene ND 10 ug/l 95-50-1 o-Dichlorobenzene ND 10 ug/l 106-46-7 p-Dichlorobenzene ND 10 ug/l 75-34-3 1,1-Dichloroethane ND 10 ug/l 107-06-2 1,2-Dichloroethane 63.4 4.0 ug/l 75-35-4 1,1-Dichloroethylene ND 10 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 10 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 10 ug/l 78-87-5 1,2-Dichloropropane ND 6.0 ug/l 142-28-9 1,3-Dichloropropane ND 10 ug/l 594-20-7 2,2-Dichloropropane ND 10 ug/l 563-58-6 1,1-Dichloropropene ND 10 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 4.0 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 13 of 59 LA6149233.3 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW3 Lab Sample ID:LA61492-3 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 4.0 ug/l 108-20-3 Di-Isopropyl Ether ND 10 ug/l 64-17-5 Ethyl Alcohol ND 1000 ug/l 100-41-4 Ethylbenzene 588 10 ug/l 591-78-6 2-Hexanone ND 20 ug/l 87-68-3 Hexachlorobutadiene ND 4.0 ug/l 98-82-8 Isopropylbenzene 30.5 10 ug/l 99-87-6 p-Isopropyltoluene ND 10 ug/l 74-83-9 Methyl Bromide ND 10 ug/l 74-87-3 Methyl Chloride 18.6 10 ug/l 74-95-3 Methylene Bromide ND 10 ug/l 75-09-2 Methylene Chloride 11.4 10 ug/l 78-93-3 Methyl Ethyl Ketone ND 500 ug/l 108-10-1 4-Methyl-2-pentanone ND 10 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 10 ug/l 91-20-3 Naphthalene 155 10 ug/l 103-65-1 n-Propylbenzene 87.9 10 ug/l 100-42-5 Styrene ND 10 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 10 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 4.0 ug/l 127-18-4 Tetrachloroethylene ND 10 ug/l 108-88-3 Toluene 122 10 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 10 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 10 ug/l 71-55-6 1,1,1-Trichloroethane ND 10 ug/l 79-00-5 1,1,2-Trichloroethane 32.5 6.0 ug/l 79-01-6 Trichloroethylene ND 10 ug/l 75-69-4 Trichlorofluoromethane ND 10 ug/l 96-18-4 1,2,3-Trichloropropane ND 10 ug/l 95-63-6 1,2,4-Trimethylbenzene 488 10 ug/l 108-67-8 1,3,5-Trimethylbenzene 109 10 ug/l 108-05-4 Vinyl Acetate ND 10 ug/l 75-01-4 Vinyl Chloride ND 2.0 ug/l m,p-Xylene 544 20 ug/l 95-47-6 o-Xylene 112 10 ug/l 1330-20-7 Xylene (total)656 10 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 108%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 14 of 59 LA6149233.3 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW3 Lab Sample ID:LA61492-3 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 100%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 15 of 59 LA6149233.3 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW6 Lab Sample ID:LA61492-4 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122653.D 1 02/11/20 23:12 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 16 of 59 LA6149233.4 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW6 Lab Sample ID:LA61492-4 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 98%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 17 of 59 LA6149233.4 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW6 Lab Sample ID:LA61492-4 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 98%70-130% 460-00-4 4-Bromofluorobenzene 96%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 18 of 59 LA6149233.4 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW9 Lab Sample ID:LA61492-5 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122711.D 1 02/13/20 03:48 PJ n/a n/a V2K2292 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 19 of 59 LA6149233.5 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW9 Lab Sample ID:LA61492-5 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 0.78 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 101%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 20 of 59 LA6149233.5 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW9 Lab Sample ID:LA61492-5 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 98%70-130% 460-00-4 4-Bromofluorobenzene 100%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 21 of 59 LA6149233.5 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW13 Lab Sample ID:LA61492-6 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122712.D 1 02/13/20 04:19 PJ n/a n/a V2K2292 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 22 of 59 LA6149233.6 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW13 Lab Sample ID:LA61492-6 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 1.1 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 101%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 23 of 59 LA6149233.6 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW13 Lab Sample ID:LA61492-6 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 97%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 24 of 59 LA6149233.6 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:MW16D Lab Sample ID:LA61492-7 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122647.D 1 02/11/20 20:08 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene 0.65 0.50 ug/l 135-98-8 sec-Butylbenzene 1.8 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 25 of 59 LA6149233.7 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:MW16D Lab Sample ID:LA61492-7 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether 4.2 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene 1.0 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride 2.5 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 6.2 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene 1.2 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate 3.4 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene 1.7 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)1.9 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 112%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 26 of 59 LA6149233.7 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:MW16D Lab Sample ID:LA61492-7 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 99%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 27 of 59 LA6149233.7 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:PW1 Lab Sample ID:LA61492-8 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122648.D 1 02/11/20 20:39 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 28 of 59 LA6149233.8 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:PW1 Lab Sample ID:LA61492-8 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether 2.0 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 9.4 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 106%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 29 of 59 LA6149233.8 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:PW1 Lab Sample ID:LA61492-8 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 99%70-130% 460-00-4 4-Bromofluorobenzene 95%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 30 of 59 LA6149233.8 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:PW2 Lab Sample ID:LA61492-9 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122649.D 1 02/11/20 21:10 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 31 of 59 LA6149233.9 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:PW2 Lab Sample ID:LA61492-9 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether 3.8 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether 13.3 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 100%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 32 of 59 LA6149233.9 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:PW2 Lab Sample ID:LA61492-9 Date Sampled:02/05/20 Matrix:AQ - Ground Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 97%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 33 of 59 LA6149233.9 SGS North America Inc. Report of Analysis Page 1 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA61492-10 Date Sampled:02/05/20 Matrix:AQ - Field Blank Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC File ID DF Analyzed By Prep Date Prep Batch Analytical Batch Run #1 2K0122639.D 1 02/11/20 16:04 CP n/a n/a V2K2289 Run #2 Purge Volume Run #1 25.0 ml Run #2 VOA Special List CAS No.Compound Result RL Units Q 67-64-1 Acetone ND 10 ug/l 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 34 of 59 LA6149233.10 SGS North America Inc. Report of Analysis Page 2 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA61492-10 Date Sampled:02/05/20 Matrix:AQ - Field Blank Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Compound Result RL Units Q 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene ND 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene ND 0.50 ug/l 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene 0.50 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 17060-07-0 1,2-Dichloroethane-D4 108%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 35 of 59 LA6149233.10 SGS North America Inc. Report of Analysis Page 3 of 3 Client Sample ID:FIELD BLANK Lab Sample ID:LA61492-10 Date Sampled:02/05/20 Matrix:AQ - Field Blank Water Date Received:02/07/20 Method:SM 6200B Percent Solids:n/a Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC VOA Special List CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits 2037-26-5 Toluene-D8 98%70-130% 460-00-4 4-Bromofluorobenzene 95%70-130% ND = Not detected J = Indicates an estimated value RL = Reporting Limit B = Indicates analyte found in associated method blank E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound 36 of 59 LA6149233.10 SGS North America Inc. Misc. Forms Custody Documents and Other Forms Includes the following where applicable: • Chain of Custody Scott, LA Section 4 37 of 59 LA614924 LA61492: Chain of Custody Page 1 of 3 38 of 59 LA6149244.1 LA61492: Chain of Custody Page 2 of 3 39 of 59 LA6149244.1 SGS Sample Receipt Summary Job Number:LA61492 Client:ATC Date / Time Received:2/7/2020 9:25:00 AM Delivery Method:FedEx Project:STRAYHORN 4. No. Coolers:1 Airbill #'s:4913 8691 2020 Cooler Security 1. Custody Seals Present: Y or N 2. Custody Seals Intact: 3. COC Present: 4. Smpl Dates/Time OK 2. Cooler temp verification: Cooler Temperature Y or N 1. Temp criteria achieved: 3. Cooler media: IR Gun Ice (direct contact) Quality Control Preservation Y or N N/A 1. Trip Blank present / cooler: 2. Trip Blank listed on COC: 3. Samples preserved properly: 4. VOCs headspace free: Sample Integrity - Documentation Y or N 1. Sample labels present on bottles: 2. Container labeling complete: 3. Sample container label / COC agree: Sample Integrity - Condition Y or N 1. Sample recvd within HT: 3. Condition of sample: 2. All containers accounted for: Sample Integrity - Instructions 1. Analysis requested is clear: 2. Bottles received for unspecified tests 3. Sufficient volume recvd for analysis: 4. Compositing instructions clear: 5. Filtering instructions clear: Broken / Leaking Y or N Comments Received 1 of 4 vials broken in cooler for mw-2. Received 2 of 4 vials broken in cooler for mw-6. Y or N N/A Cooler Temps (Initial/Adjusted):#1: (0.8/0.8); DV439 LA61492: Chain of Custody Page 3 of 3 40 of 59 LA6149244.1 SGS North America Inc. MS Volatiles QC Data Summaries Includes the following where applicable: • Method Blank Summaries • Blank Spike Summaries • Matrix Spike and Duplicate Summaries Scott, LA Section 5 41 of 59 LA614925 Method Blank Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-MB1 2K0122638.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 CAS No.Compound Result RL Units Q 67-64-1 Acetone 1.3 10 ug/l J 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene ND 0.50 ug/l 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene ND 0.50 ug/l 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 42 of 59 LA6149255.1.1 Method Blank Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-MB1 2K0122638.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 CAS No.Compound Result RL Units Q 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene 0.35 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride ND 0.50 ug/l 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene 0.32 0.50 ug/l J 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene 0.49 0.50 ug/l J 120-82-1 1,2,4-Trichlorobenzene 0.37 0.50 ug/l J 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l 43 of 59 LA6149255.1.1 Method Blank Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-MB1 2K0122638.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 CAS No.Surrogate Recoveries Limits 17060-07-0 1,2-Dichloroethane-D4 104%70-130% 2037-26-5 Toluene-D8 98%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% 44 of 59 LA6149255.1.1 Method Blank Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-MB1 2K0122706.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 CAS No.Compound Result RL Units Q 67-64-1 Acetone 2.5 10 ug/l J 71-43-2 Benzene ND 0.50 ug/l 108-86-1 Bromobenzene ND 0.50 ug/l 74-97-5 Bromochloromethane ND 0.50 ug/l 75-27-4 Bromodichloromethane ND 0.50 ug/l 75-25-2 Bromoform ND 0.50 ug/l 104-51-8 n-Butylbenzene 0.15 0.50 ug/l J 135-98-8 sec-Butylbenzene ND 0.50 ug/l 98-06-6 tert-Butylbenzene ND 0.50 ug/l 56-23-5 Carbon Tetrachloride ND 0.20 ug/l 108-90-7 Chlorobenzene ND 0.50 ug/l 75-00-3 Chloroethane ND 0.50 ug/l 67-66-3 Chloroform ND 0.50 ug/l 95-49-8 o-Chlorotoluene ND 0.50 ug/l 106-43-4 p-Chlorotoluene ND 0.50 ug/l 124-48-1 Dibromochloromethane ND 0.20 ug/l 96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l 106-93-4 1,2-Dibromoethane ND 0.50 ug/l 75-71-8 Dichlorodifluoromethane ND 0.50 ug/l 541-73-1 m-Dichlorobenzene 0.12 0.50 ug/l J 95-50-1 o-Dichlorobenzene ND 0.50 ug/l 106-46-7 p-Dichlorobenzene ND 0.50 ug/l 75-34-3 1,1-Dichloroethane ND 0.50 ug/l 107-06-2 1,2-Dichloroethane ND 0.20 ug/l 75-35-4 1,1-Dichloroethylene ND 0.50 ug/l 156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l 156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l 78-87-5 1,2-Dichloropropane ND 0.30 ug/l 142-28-9 1,3-Dichloropropane ND 0.50 ug/l 594-20-7 2,2-Dichloropropane ND 0.50 ug/l 563-58-6 1,1-Dichloropropene ND 0.50 ug/l 10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l 10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l 108-20-3 Di-Isopropyl Ether ND 0.50 ug/l 64-17-5 Ethyl Alcohol ND 50 ug/l 100-41-4 Ethylbenzene ND 0.50 ug/l 45 of 59 LA6149255.1.2 Method Blank Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-MB1 2K0122706.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 CAS No.Compound Result RL Units Q 591-78-6 2-Hexanone ND 1.0 ug/l 87-68-3 Hexachlorobutadiene a 0.42 0.20 ug/l 98-82-8 Isopropylbenzene ND 0.50 ug/l 99-87-6 p-Isopropyltoluene ND 0.50 ug/l 74-83-9 Methyl Bromide ND 0.50 ug/l 74-87-3 Methyl Chloride ND 0.50 ug/l 74-95-3 Methylene Bromide ND 0.50 ug/l 75-09-2 Methylene Chloride 0.11 0.50 ug/l J 78-93-3 Methyl Ethyl Ketone ND 25 ug/l 108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l 1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l 91-20-3 Naphthalene b 0.33 0.50 ug/l J 103-65-1 n-Propylbenzene ND 0.50 ug/l 100-42-5 Styrene ND 0.50 ug/l 630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l 79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l 127-18-4 Tetrachloroethylene ND 0.50 ug/l 108-88-3 Toluene ND 0.50 ug/l 87-61-6 1,2,3-Trichlorobenzene a 0.53 0.50 ug/l 120-82-1 1,2,4-Trichlorobenzene a 0.41 0.50 ug/l J 71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l 79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l 79-01-6 Trichloroethylene ND 0.50 ug/l 75-69-4 Trichlorofluoromethane ND 0.50 ug/l 96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l 95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l 108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l 108-05-4 Vinyl Acetate ND 0.50 ug/l 75-01-4 Vinyl Chloride ND 0.10 ug/l m,p-Xylene ND 1.0 ug/l 95-47-6 o-Xylene ND 0.50 ug/l 1330-20-7 Xylene (total)ND 0.50 ug/l 46 of 59 LA6149255.1.2 Method Blank Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-MB1 2K0122706.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 CAS No.Surrogate Recoveries Limits 17060-07-0 1,2-Dichloroethane-D4 98%70-130% 2037-26-5 Toluene-D8 97%70-130% 460-00-4 4-Bromofluorobenzene 97%70-130% (a) Compound not detected in samples at less than 10 times the hit in the blank. (b) Concentration > 1/2 RL. 47 of 59 LA6149255.1.2 Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-BS2 2K0122635.D 1 02/11/20 CP n/a n/a V2K2289 V2K2289-BSD2 2K0122636.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 67-64-1 Acetone 50 41.0 82 35.1 70 16 70-130/30 71-43-2 Benzene 20 22.9 115 20.9 105 9 70-130/30 108-86-1 Bromobenzene 20 19.7 99 20.7 104 5 70-130/30 74-97-5 Bromochloromethane 20 26.0 130 23.4 117 11 70-130/30 75-27-4 Bromodichloromethane 20 24.7 124 22.4 112 10 70-130/30 75-25-2 Bromoform 20 15.8 79 16.9 85 7 70-130/30 104-51-8 n-Butylbenzene 20 22.6 113 21.6 108 5 70-130/30 135-98-8 sec-Butylbenzene 20 24.0 120 19.0 95 23 70-130/30 98-06-6 tert-Butylbenzene 20 23.9 120 18.4 92 26 70-130/30 56-23-5 Carbon Tetrachloride 20 27.7 139*23.1 116 18 70-130/30 108-90-7 Chlorobenzene 20 21.2 106 19.0 95 11 70-130/30 75-00-3 Chloroethane 20 23.7 119 20.1 101 16 60-140/30 67-66-3 Chloroform 20 23.8 119 20.7 104 14 70-130/30 95-49-8 o-Chlorotoluene 20 24.2 121 17.8 89 30 70-130/30 106-43-4 p-Chlorotoluene 20 24.5 123 18.2 91 30 70-130/30 124-48-1 Dibromochloromethane 20 18.4 92 16.1 81 13 70-130/30 96-12-8 1,2-Dibromo-3-chloropropane 20 10.6 53*25.1 126 81*70-130/30 106-93-4 1,2-Dibromoethane 20 21.6 108 19.5 98 10 70-130/30 75-71-8 Dichlorodifluoromethane 20 21.2 106 19.9 100 6 60-140/30 541-73-1 m-Dichlorobenzene 20 21.8 109 19.4 97 12 70-130/30 95-50-1 o-Dichlorobenzene 20 18.6 93 19.9 100 7 70-130/30 106-46-7 p-Dichlorobenzene 20 21.6 108 19.3 97 11 70-130/30 75-34-3 1,1-Dichloroethane 20 26.6 133*22.9 115 15 70-130/30 107-06-2 1,2-Dichloroethane 20 21.9 110 20.4 102 7 70-130/30 75-35-4 1,1-Dichloroethylene 20 27.2 136*23.8 119 13 70-130/30 156-59-2 cis-1,2-Dichloroethylene 20 26.5 133*23.2 116 13 70-130/30 156-60-5 trans-1,2-Dichloroethylene 20 27.3 137*23.6 118 15 70-130/30 78-87-5 1,2-Dichloropropane 20 22.7 114 20.7 104 9 70-130/30 142-28-9 1,3-Dichloropropane 20 21.2 106 18.2 91 15 70-130/30 594-20-7 2,2-Dichloropropane 20 32.6 163*25.6 128 24 70-130/30 563-58-6 1,1-Dichloropropene 20 28.1 141*24.6 123 13 70-130/30 10061-01-5 cis-1,3-Dichloropropene 20 23.6 118 21.8 109 8 70-130/30 10061-02-6 trans-1,3-Dichloropropene 20 23.0 115 19.2 96 18 70-130/30 108-20-3 Di-Isopropyl Ether 20 27.5 138*24.2 121 13 70-130/30 64-17-5 Ethyl Alcohol 400 436 109 887 222*68*70-130/30 100-41-4 Ethylbenzene 20 21.8 109 19.1 96 13 70-130/30 * = Outside of Control Limits. 48 of 59 LA6149255.2.1 Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-BS2 2K0122635.D 1 02/11/20 CP n/a n/a V2K2289 V2K2289-BSD2 2K0122636.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 591-78-6 2-Hexanone 50 39.3 79 39.8 80 1 70-130/30 87-68-3 Hexachlorobutadiene 20 13.2 66*25.0 125 62*70-130/30 98-82-8 Isopropylbenzene 20 21.7 109 20.6 103 5 70-130/30 99-87-6 p-Isopropyltoluene 20 23.8 119 19.9 100 18 70-130/30 74-83-9 Methyl Bromide 20 23.0 115 28.6 143*22 60-140/30 74-87-3 Methyl Chloride 20 18.9 95 20.1 101 6 60-140/30 74-95-3 Methylene Bromide 20 21.8 109 20.3 102 7 70-130/30 75-09-2 Methylene Chloride 20 24.3 122 21.1 106 14 70-130/30 78-93-3 Methyl Ethyl Ketone 50 46.9 94 45.2 90 4 70-130/30 108-10-1 4-Methyl-2-pentanone 50 51.3 103 56.1 112 9 70-130/30 1634-04-4 Methyl Tert Butyl Ether 20 25.0 125 21.9 110 13 70-130/30 91-20-3 Naphthalene 20 4.6 23*27.3 137*142*70-130/30 103-65-1 n-Propylbenzene 20 25.2 126 17.7 89 35*70-130/30 100-42-5 Styrene 20 21.8 109 20.6 103 6 70-130/30 630-20-6 1,1,1,2-Tetrachloroethane 20 22.6 113 20.2 101 11 70-130/30 79-34-5 1,1,2,2-Tetrachloroethane 20 21.7 109 18.6 93 15 70-130/30 127-18-4 Tetrachloroethylene 20 22.7 114 18.8 94 19 70-130/30 108-88-3 Toluene 20 22.0 110 18.1 91 19 70-130/30 87-61-6 1,2,3-Trichlorobenzene 20 4.8 24*31.7 159*147*70-130/30 120-82-1 1,2,4-Trichlorobenzene 20 9.0 45*29.1 146*106*70-130/30 71-55-6 1,1,1-Trichloroethane 20 28.1 141*23.9 120 16 70-130/30 79-00-5 1,1,2-Trichloroethane 20 20.9 105 18.1 91 14 70-130/30 79-01-6 Trichloroethylene 20 23.6 118 21.1 106 11 70-130/30 75-69-4 Trichlorofluoromethane 20 25.8 129 23.6 118 9 60-140/30 96-18-4 1,2,3-Trichloropropane 20 18.5 93 21.6 108 15 70-130/30 95-63-6 1,2,4-Trimethylbenzene 20 23.3 117 18.6 93 22 70-130/30 108-67-8 1,3,5-Trimethylbenzene 20 24.4 122 18.2 91 29 70-130/30 108-05-4 Vinyl Acetate 20 33.4 167*29.3 147*13 70-130/30 75-01-4 Vinyl Chloride 20 22.7 114 21.7 109 5 60-140/30 m,p-Xylene 40 43.7 109 39.8 100 9 70-130/30 95-47-6 o-Xylene 20 20.7 104 19.3 97 7 70-130/30 1330-20-7 Xylene (total)60 64.4 107 59.1 99 9 70-130/30 * = Outside of Control Limits. 49 of 59 LA6149255.2.1 Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2289-BS2 2K0122635.D 1 02/11/20 CP n/a n/a V2K2289 V2K2289-BSD2 2K0122636.D 1 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 CAS No.Surrogate Recoveries BSP BSD Limits 17060-07-0 1,2-Dichloroethane-D4 104%106%70-130% 2037-26-5 Toluene-D8 98%104%70-130% 460-00-4 4-Bromofluorobenzene 93%107%70-130% * = Outside of Control Limits. 50 of 59 LA6149255.2.1 Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-BS1 2K0122703.D 1 02/12/20 PJ n/a n/a V2K2292 V2K2292-BSD1 2K0122704.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 67-64-1 Acetone 50 47.2 94 50.8 102 7 70-130/30 71-43-2 Benzene 20 20.5 103 20.0 100 2 70-130/30 108-86-1 Bromobenzene 20 20.5 103 20.3 102 1 70-130/30 74-97-5 Bromochloromethane 20 19.7 99 19.7 99 0 70-130/30 75-27-4 Bromodichloromethane 20 20.2 101 19.5 98 4 70-130/30 75-25-2 Bromoform 20 19.2 96 19.9 100 4 70-130/30 104-51-8 n-Butylbenzene 20 23.2 116 22.4 112 4 70-130/30 135-98-8 sec-Butylbenzene 20 22.4 112 21.5 108 4 70-130/30 98-06-6 tert-Butylbenzene 20 21.3 107 20.7 104 3 70-130/30 56-23-5 Carbon Tetrachloride 20 21.6 108 20.7 104 4 70-130/30 108-90-7 Chlorobenzene 20 21.1 106 20.9 105 1 70-130/30 75-00-3 Chloroethane 20 19.1 96 18.4 92 4 60-140/30 67-66-3 Chloroform 20 19.7 99 19.4 97 2 70-130/30 95-49-8 o-Chlorotoluene 20 21.0 105 20.4 102 3 70-130/30 106-43-4 p-Chlorotoluene 20 21.0 105 20.6 103 2 70-130/30 124-48-1 Dibromochloromethane 20 19.7 99 19.9 100 1 70-130/30 96-12-8 1,2-Dibromo-3-chloropropane 20 20.4 102 20.7 104 1 70-130/30 106-93-4 1,2-Dibromoethane 20 21.7 109 21.8 109 0 70-130/30 75-71-8 Dichlorodifluoromethane 20 21.9 110 21.0 105 4 60-140/30 541-73-1 m-Dichlorobenzene 20 20.1 101 19.6 98 3 70-130/30 95-50-1 o-Dichlorobenzene 20 20.5 103 20.4 102 0 70-130/30 106-46-7 p-Dichlorobenzene 20 20.2 101 19.8 99 2 70-130/30 75-34-3 1,1-Dichloroethane 20 20.6 103 20.0 100 3 70-130/30 107-06-2 1,2-Dichloroethane 20 19.6 98 19.4 97 1 70-130/30 75-35-4 1,1-Dichloroethylene 20 20.7 104 19.8 99 4 70-130/30 156-59-2 cis-1,2-Dichloroethylene 20 20.3 102 19.7 99 3 70-130/30 156-60-5 trans-1,2-Dichloroethylene 20 20.9 105 20.0 100 4 70-130/30 78-87-5 1,2-Dichloropropane 20 21.0 105 20.8 104 1 70-130/30 142-28-9 1,3-Dichloropropane 20 20.9 105 21.1 106 1 70-130/30 594-20-7 2,2-Dichloropropane 20 22.5 113 21.4 107 5 70-130/30 563-58-6 1,1-Dichloropropene 20 21.0 105 20.2 101 4 70-130/30 10061-01-5 cis-1,3-Dichloropropene 20 20.6 103 20.1 101 2 70-130/30 10061-02-6 trans-1,3-Dichloropropene 20 20.3 102 20.5 103 1 70-130/30 108-20-3 Di-Isopropyl Ether 20 21.2 106 20.9 105 1 70-130/30 64-17-5 Ethyl Alcohol 400 409 102 401 100 2 70-130/30 100-41-4 Ethylbenzene 20 21.8 109 21.3 107 2 70-130/30 * = Outside of Control Limits. 51 of 59 LA6149255.2.2 Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-BS1 2K0122703.D 1 02/12/20 PJ n/a n/a V2K2292 V2K2292-BSD1 2K0122704.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 Spike BSP BSP BSD BSD Limits CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD 591-78-6 2-Hexanone 50 58.7 117 56.7 113 3 70-130/30 87-68-3 Hexachlorobutadiene 20 23.2 116 22.6 113 3 70-130/30 98-82-8 Isopropylbenzene 20 22.7 114 21.9 110 4 70-130/30 99-87-6 p-Isopropyltoluene 20 23.1 116 22.3 112 4 70-130/30 74-83-9 Methyl Bromide 20 19.3 97 18.7 94 3 60-140/30 74-87-3 Methyl Chloride 20 21.3 107 20.4 102 4 60-140/30 74-95-3 Methylene Bromide 20 21.1 106 21.3 107 1 70-130/30 75-09-2 Methylene Chloride 20 21.0 105 20.7 104 1 70-130/30 78-93-3 Methyl Ethyl Ketone 50 49.9 100 52.1 104 4 70-130/30 108-10-1 4-Methyl-2-pentanone 50 57.1 114 59.5 119 4 70-130/30 1634-04-4 Methyl Tert Butyl Ether 20 21.6 108 21.9 110 1 70-130/30 91-20-3 Naphthalene 20 20.5 103 21.1 106 3 70-130/30 103-65-1 n-Propylbenzene 20 21.7 109 20.8 104 4 70-130/30 100-42-5 Styrene 20 23.1 116 22.7 114 2 70-130/30 630-20-6 1,1,1,2-Tetrachloroethane 20 22.5 113 22.5 113 0 70-130/30 79-34-5 1,1,2,2-Tetrachloroethane 20 21.1 106 21.6 108 2 70-130/30 127-18-4 Tetrachloroethylene 20 20.5 103 19.7 99 4 70-130/30 108-88-3 Toluene 20 21.5 108 20.9 105 3 70-130/30 87-61-6 1,2,3-Trichlorobenzene 20 23.3 117 23.5 118 1 70-130/30 120-82-1 1,2,4-Trichlorobenzene 20 23.8 119 23.6 118 1 70-130/30 71-55-6 1,1,1-Trichloroethane 20 21.9 110 20.9 105 5 70-130/30 79-00-5 1,1,2-Trichloroethane 20 19.0 95 19.9 100 5 70-130/30 79-01-6 Trichloroethylene 20 20.7 104 19.7 99 5 70-130/30 75-69-4 Trichlorofluoromethane 20 22.0 110 20.9 105 5 60-140/30 96-18-4 1,2,3-Trichloropropane 20 21.4 107 21.9 110 2 70-130/30 95-63-6 1,2,4-Trimethylbenzene 20 21.7 109 21.1 106 3 70-130/30 108-67-8 1,3,5-Trimethylbenzene 20 22.1 111 21.4 107 3 70-130/30 108-05-4 Vinyl Acetate 20 23.6 118 23.9 120 1 70-130/30 75-01-4 Vinyl Chloride 20 20.5 103 19.3 97 6 60-140/30 m,p-Xylene 40 46.7 117 45.5 114 3 70-130/30 95-47-6 o-Xylene 20 22.4 112 21.9 110 2 70-130/30 1330-20-7 Xylene (total)60 69.2 115 67.4 112 3 70-130/30 * = Outside of Control Limits. 52 of 59 LA6149255.2.2 Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch V2K2292-BS1 2K0122703.D 1 02/12/20 PJ n/a n/a V2K2292 V2K2292-BSD1 2K0122704.D 1 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 CAS No.Surrogate Recoveries BSP BSD Limits 17060-07-0 1,2-Dichloroethane-D4 100%101%70-130% 2037-26-5 Toluene-D8 102%100%70-130% 460-00-4 4-Bromofluorobenzene 102%103%70-130% * = Outside of Control Limits. 53 of 59 LA6149255.2.2 Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61492-1MS 2K0122643.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1MSD 2K0122644.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1 2K0122641.D 20 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 LA61492-1 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 67-64-1 Acetone ND 2500 1100 44*2500 1060 42*4 70-130/20 71-43-2 Benzene 30.2 1000 1060 103 1000 1110 108 5 70-130/20 108-86-1 Bromobenzene ND 1000 1000 100 1000 1040 104 4 70-130/20 74-97-5 Bromochloromethane ND 1000 1220 122 1000 1210 121 1 70-130/20 75-27-4 Bromodichloromethane ND 1000 1140 114 1000 1180 118 3 70-130/20 75-25-2 Bromoform ND 1000 746 75 1000 779 78 4 70-130/20 104-51-8 n-Butylbenzene 13.6 1000 1050 104 1000 1150 114 9 70-130/20 135-98-8 sec-Butylbenzene ND 1000 990 99 1000 1070 107 8 70-130/20 98-06-6 tert-Butylbenzene ND 1000 982 98 1000 1050 105 7 70-130/20 56-23-5 Carbon Tetrachloride 102 1000 1250 115 1000 1300 120 4 70-130/20 108-90-7 Chlorobenzene ND 1000 989 99 1000 1030 103 4 70-130/20 75-00-3 Chloroethane ND 1000 1130 113 1000 1140 114 1 60-140/20 67-66-3 Chloroform 24.5 1000 1130 111 1000 1140 112 1 70-130/20 95-49-8 o-Chlorotoluene ND 1000 1030 103 1000 1080 108 5 70-130/20 106-43-4 p-Chlorotoluene ND 1000 1010 101 1000 1060 106 5 70-130/20 124-48-1 Dibromochloromethane ND 1000 812 81 1000 841 84 4 70-130/20 96-12-8 1,2-Dibromo-3-chloropropane ND 1000 935 94 1000 995 100 6 70-130/20 106-93-4 1,2-Dibromoethane ND 1000 992 99 1000 1030 103 4 70-130/20 75-71-8 Dichlorodifluoromethane ND 1000 1030 103 1000 1080 108 5 60-140/20 541-73-1 m-Dichlorobenzene ND 1000 1000 100 1000 1060 106 6 70-130/20 95-50-1 o-Dichlorobenzene ND 1000 984 98 1000 1040 104 6 70-130/20 106-46-7 p-Dichlorobenzene ND 1000 1000 100 1000 1060 106 6 70-130/20 75-34-3 1,1-Dichloroethane ND 1000 1240 124 1000 1250 125 1 70-130/20 107-06-2 1,2-Dichloroethane 57.4 1000 1050 99 1000 1080 102 3 70-130/20 75-35-4 1,1-Dichloroethylene ND 1000 1230 123 1000 1250 125 2 70-130/20 156-59-2 cis-1,2-Dichloroethylene ND 1000 1250 125 1000 1250 125 0 70-130/20 156-60-5 trans-1,2-Dichloroethylene ND 1000 1260 126 1000 1260 126 0 70-130/20 78-87-5 1,2-Dichloropropane ND 1000 1050 105 1000 1090 109 4 70-130/20 142-28-9 1,3-Dichloropropane ND 1000 956 96 1000 994 99 4 70-130/20 594-20-7 2,2-Dichloropropane ND 1000 1220 122 1000 1230 123 1 70-130/20 563-58-6 1,1-Dichloropropene ND 1000 1280 128 1000 1300 130 2 70-130/20 10061-01-5 cis-1,3-Dichloropropene ND 1000 1040 104 1000 1080 108 4 70-130/20 10061-02-6 trans-1,3-Dichloropropene ND 1000 964 96 1000 1010 101 5 70-130/20 108-20-3 Di-Isopropyl Ether ND 1000 1310 131*1000 1310 131*0 70-130/20 64-17-5 Ethyl Alcohol ND 20000 24800 124 20000 28500 143*14 70-130/20 100-41-4 Ethylbenzene 590 1000 1620 103 1000 1690 110 4 70-130/20 * = Outside of Control Limits. 54 of 59 LA6149255.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61492-1MS 2K0122643.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1MSD 2K0122644.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1 2K0122641.D 20 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 LA61492-1 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 591-78-6 2-Hexanone ND 2500 1720 69*2500 1670 67*3 70-130/20 87-68-3 Hexachlorobutadiene ND 1000 910 91 1000 1030 103 12 70-130/20 98-82-8 Isopropylbenzene 45.5 1000 1080 103 1000 1150 110 6 70-130/20 99-87-6 p-Isopropyltoluene ND 1000 1020 102 1000 1100 110 8 70-130/20 74-83-9 Methyl Bromide ND 1000 1020 102 1000 1240 124 19 60-140/20 74-87-3 Methyl Chloride ND 1000 984 98 1000 1000 100 2 60-140/20 74-95-3 Methylene Bromide ND 1000 1020 102 1000 1050 105 3 70-130/20 75-09-2 Methylene Chloride 4.9 1000 1140 114 1000 1140 114 0 70-130/20 78-93-3 Methyl Ethyl Ketone ND 2500 1850 74 2500 1770 71 4 70-130/20 108-10-1 4-Methyl-2-pentanone ND 2500 2500 100 2500 2560 102 2 70-130/20 1634-04-4 Methyl Tert Butyl Ether 4.2 1000 1160 116 1000 1150 115 1 70-130/20 91-20-3 Naphthalene 275 1000 1200 93 1000 1290 102 7 70-130/20 103-65-1 n-Propylbenzene 113 1000 1100 99 1000 1170 106 6 70-130/20 100-42-5 Styrene ND 1000 1040 104 1000 1080 108 4 70-130/20 630-20-6 1,1,1,2-Tetrachloroethane ND 1000 1030 103 1000 1080 108 5 70-130/20 79-34-5 1,1,2,2-Tetrachloroethane ND 1000 936 94 1000 984 98 5 70-130/20 127-18-4 Tetrachloroethylene 6.0 1000 995 99 1000 1040 103 4 70-130/20 108-88-3 Toluene 49.6 1000 1020 97 1000 1070 102 5 70-130/20 87-61-6 1,2,3-Trichlorobenzene ND 1000 982 98 1000 1080 108 10 70-130/20 120-82-1 1,2,4-Trichlorobenzene ND 1000 1020 102 1000 1120 112 9 70-130/20 71-55-6 1,1,1-Trichloroethane ND 1000 1270 127 1000 1290 129 2 70-130/20 79-00-5 1,1,2-Trichloroethane 30.4 1000 957 93 1000 999 97 4 70-130/20 79-01-6 Trichloroethylene ND 1000 1090 109 1000 1130 113 4 70-130/20 75-69-4 Trichlorofluoromethane ND 1000 1240 124 1000 1260 126 2 60-140/20 96-18-4 1,2,3-Trichloropropane ND 1000 959 96 1000 1010 101 5 70-130/20 95-63-6 1,2,4-Trimethylbenzene 221 1000 1240 102 1000 1300 108 5 70-130/20 108-67-8 1,3,5-Trimethylbenzene 105 1000 1110 101 1000 1180 108 6 70-130/20 108-05-4 Vinyl Acetate ND 1000 1660 166*1000 1640 164*1 70-130/20 75-01-4 Vinyl Chloride ND 1000 1110 111 1000 1150 115 4 60-140/20 m,p-Xylene 1400 2000 3500 105 2000 3680 114 5 70-130/20 95-47-6 o-Xylene 42.2 1000 1000 96 1000 1060 102 6 70-130/20 1330-20-7 Xylene (total)1450 3000 4510 102 3000 4730 109 5 70-130/20 * = Outside of Control Limits. 55 of 59 LA6149255.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61492-1MS 2K0122643.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1MSD 2K0122644.D 50 02/11/20 CP n/a n/a V2K2289 LA61492-1 2K0122641.D 20 02/11/20 CP n/a n/a V2K2289 The QC reported here applies to the following samples:Method: SM 6200B LA61492-1, LA61492-2, LA61492-3, LA61492-4, LA61492-7, LA61492-8, LA61492-9, LA61492-10 CAS No.Surrogate Recoveries MS MSD LA61492-1 Limits 17060-07-0 1,2-Dichloroethane-D4 107%103%102%70-130% 2037-26-5 Toluene-D8 102%102%98%70-130% 460-00-4 4-Bromofluorobenzene 101%100%99%70-130% * = Outside of Control Limits. 56 of 59 LA6149255.3.1 Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61490-7MS 2K0122719.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7MSD 2K0122720.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7 2K0122716.D 200 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 LA61490-7 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 67-64-1 Acetone ND 25000 36100 144* a 25000 33400 134* a 8 70-130/20 71-43-2 Benzene 1600 10000 12700 111 10000 12600 110 1 70-130/20 108-86-1 Bromobenzene ND 10000 10600 106 10000 10400 104 2 70-130/20 74-97-5 Bromochloromethane ND 10000 10300 103 10000 9890 99 4 70-130/20 75-27-4 Bromodichloromethane ND 10000 10400 104 10000 10400 104 0 70-130/20 75-25-2 Bromoform ND 10000 9720 97 10000 9550 96 2 70-130/20 104-51-8 n-Butylbenzene ND 10000 11200 112 10000 10800 108 4 70-130/20 135-98-8 sec-Butylbenzene ND 10000 11100 111 10000 10700 107 4 70-130/20 98-06-6 tert-Butylbenzene ND 10000 10800 108 10000 10500 105 3 70-130/20 56-23-5 Carbon Tetrachloride 74.2 10000 11100 110 10000 10900 108 2 70-130/20 108-90-7 Chlorobenzene ND 10000 11000 110 10000 10700 107 3 70-130/20 75-00-3 Chloroethane ND 10000 10400 104 10000 9720 97 7 60-140/20 67-66-3 Chloroform ND 10000 10200 102 10000 10200 102 0 70-130/20 95-49-8 o-Chlorotoluene ND 10000 11100 111 10000 10700 107 4 70-130/20 106-43-4 p-Chlorotoluene ND 10000 10800 108 10000 10500 105 3 70-130/20 124-48-1 Dibromochloromethane ND 10000 9810 98 10000 9520 95 3 70-130/20 96-12-8 1,2-Dibromo-3-chloropropane ND 10000 10400 104 10000 9790 98 6 70-130/20 106-93-4 1,2-Dibromoethane ND 10000 11600 116 10000 10800 108 7 70-130/20 75-71-8 Dichlorodifluoromethane ND 10000 13900 139 10000 13200 132 5 60-140/20 541-73-1 m-Dichlorobenzene ND 10000 10500 105 10000 9970 100 5 70-130/20 95-50-1 o-Dichlorobenzene ND 10000 10900 109 10000 10300 103 6 70-130/20 106-46-7 p-Dichlorobenzene ND 10000 10400 104 10000 10100 101 3 70-130/20 75-34-3 1,1-Dichloroethane ND 10000 10400 104 10000 10200 102 2 70-130/20 107-06-2 1,2-Dichloroethane 30.4 10000 10400 104 10000 9910 99 5 70-130/20 75-35-4 1,1-Dichloroethylene ND 10000 10300 103 10000 9960 100 3 70-130/20 156-59-2 cis-1,2-Dichloroethylene ND 10000 10400 104 10000 10000 100 4 70-130/20 156-60-5 trans-1,2-Dichloroethylene ND 10000 10400 104 10000 9990 100 4 70-130/20 78-87-5 1,2-Dichloropropane ND 10000 10800 108 10000 10500 105 3 70-130/20 142-28-9 1,3-Dichloropropane ND 10000 11000 110 10000 10600 106 4 70-130/20 594-20-7 2,2-Dichloropropane ND 10000 3870 39* a 10000 4130 41* a 7 70-130/20 563-58-6 1,1-Dichloropropene ND 10000 10600 106 10000 10300 103 3 70-130/20 10061-01-5 cis-1,3-Dichloropropene ND 10000 8700 87 10000 8540 85 2 70-130/20 10061-02-6 trans-1,3-Dichloropropene ND 10000 8740 87 10000 8490 85 3 70-130/20 108-20-3 Di-Isopropyl Ether 95.9 10000 11200 111 10000 10900 108 3 70-130/20 64-17-5 Ethyl Alcohol ND 200000 91100 46* a 200000 84400 42* a 8 70-130/20 100-41-4 Ethylbenzene 765 10000 12300 115 10000 12000 112 2 70-130/20 * = Outside of Control Limits. 57 of 59 LA6149255.3.2 Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61490-7MS 2K0122719.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7MSD 2K0122720.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7 2K0122716.D 200 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 LA61490-7 Spike MS MS Spike MSD MSD Limits CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD 591-78-6 2-Hexanone ND 25000 29000 116 25000 24400 98 17 70-130/20 87-68-3 Hexachlorobutadiene ND 10000 10900 109 10000 10700 107 2 70-130/20 98-82-8 Isopropylbenzene 29.7 10000 11500 115 10000 11200 112 3 70-130/20 99-87-6 p-Isopropyltoluene ND 10000 11600 116 10000 11200 112 4 70-130/20 74-83-9 Methyl Bromide ND 10000 8150 82 10000 9890 99 19 60-140/20 74-87-3 Methyl Chloride ND 10000 11400 114 10000 11200 112 2 60-140/20 74-95-3 Methylene Bromide ND 10000 10800 108 10000 10600 106 2 70-130/20 75-09-2 Methylene Chloride 22.7 10000 10900 109 10000 10400 104 5 70-130/20 78-93-3 Methyl Ethyl Ketone ND 25000 31000 124 25000 29500 118 5 70-130/20 108-10-1 4-Methyl-2-pentanone ND 25000 30000 120 25000 28600 114 5 70-130/20 1634-04-4 Methyl Tert Butyl Ether ND 10000 11100 111 10000 10700 107 4 70-130/20 91-20-3 Naphthalene 439 10000 10600 102 10000 10200 98 4 70-130/20 103-65-1 n-Propylbenzene 80.4 10000 10700 106 10000 10300 102 4 70-130/20 100-42-5 Styrene 77.4 10000 12100 120 10000 11700 116 3 70-130/20 630-20-6 1,1,1,2-Tetrachloroethane ND 10000 11700 117 10000 11300 113 3 70-130/20 79-34-5 1,1,2,2-Tetrachloroethane ND 10000 11000 110 10000 10400 104 6 70-130/20 127-18-4 Tetrachloroethylene ND 10000 10600 106 10000 10300 103 3 70-130/20 108-88-3 Toluene 8290 10000 23600 153* a 10000 22900 146* a 3 70-130/20 87-61-6 1,2,3-Trichlorobenzene ND 10000 11500 115 10000 11500 115 0 70-130/20 120-82-1 1,2,4-Trichlorobenzene ND 10000 11600 116 10000 11400 114 2 70-130/20 71-55-6 1,1,1-Trichloroethane ND 10000 10900 109 10000 10600 106 3 70-130/20 79-00-5 1,1,2-Trichloroethane ND 10000 10400 104 10000 9990 100 4 70-130/20 79-01-6 Trichloroethylene ND 10000 10700 107 10000 10600 106 1 70-130/20 75-69-4 Trichlorofluoromethane ND 10000 11700 117 10000 11300 113 3 60-140/20 96-18-4 1,2,3-Trichloropropane ND 10000 11500 115 10000 10700 107 7 70-130/20 95-63-6 1,2,4-Trimethylbenzene 616 10000 11800 112 10000 11400 108 3 70-130/20 108-67-8 1,3,5-Trimethylbenzene 142 10000 11300 112 10000 10900 108 4 70-130/20 108-05-4 Vinyl Acetate ND 10000 3510 35* a 10000 3340 33* a 5 70-130/20 75-01-4 Vinyl Chloride ND 10000 10500 105 10000 10300 103 2 60-140/20 m,p-Xylene 2630 20000 27500 124 20000 26700 120 3 70-130/20 95-47-6 o-Xylene 1630 10000 13600 120 10000 13300 117 2 70-130/20 1330-20-7 Xylene (total)4250 30000 41100 123 30000 40100 120 2 70-130/20 * = Outside of Control Limits. 58 of 59 LA6149255.3.2 Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3 Job Number:LA61492 Account:ATCNCR ATC Group Services LLC Project:Strayhorn Wrecker Service 1701 S. Miami Blvd, Durham, NC Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch LA61490-7MS 2K0122719.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7MSD 2K0122720.D 500 02/13/20 PJ n/a n/a V2K2292 LA61490-7 2K0122716.D 200 02/13/20 PJ n/a n/a V2K2292 The QC reported here applies to the following samples:Method: SM 6200B LA61492-5, LA61492-6 CAS No.Surrogate Recoveries MS MSD LA61490-7 Limits 17060-07-0 1,2-Dichloroethane-D4 99%96%100%70-130% 2037-26-5 Toluene-D8 101%101%97%70-130% 460-00-4 4-Bromofluorobenzene 101%101%98%70-130% (a) Outside control limits due to matrix interference. Blank Spike meets acceptance criteria. * = Outside of Control Limits. 59 of 59 LA6149255.3.2