We are in the process of ensuring this document is accessible to all audiences. If you need assistance accessing this document, or any material on the EPA East Palestine, Ohio emergency response web pages, please contact the Region 5 Public Information Officer on- call at: R5_EastPalestine@epa.gov May 30, 2023 Mr. Josh Peters On-Scene Coordinator U.S. Environmental Protection Agency, Region 5 Superfund and Emergency Management Division 2565 Plymouth Road Ann Arbor, MI 48105 Subject: Data Validation Report E Palestine Site - ER EPA Contract No.: 68HE0519D0005 Task Order/Task Order Line Item No.: 68HE0520F0032/0001EB201 Document Tracking No. 1860 Dear Mr. Peters: Tetra Tech, Inc. (Tetra Tech) is submitting this data validation report for thirty-six air samples, including four field duplicates, collected at the E Palestine Site. The samples were collected on May 6-9, 2023, and were analyzed for VOCs by EPA Method TO-15 in scan and selected ion monitoring (SIM) modes by Eurofins Air Toxics, LLC in Folsom, California. The final laboratory data package was received on May 15,2023. Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), the National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). No rejection of results was required for this data package. The results may be used as qualified based on the findings of this validation effort. If you have any questions regarding this data validation report, please feel free to contact me. Sincerely, Digitally signed by Shanna M Shanna M Vasser Vasser Date: 2023.05.30 17:25:31 -04'00' Shanna Vasser, PE Civil Engineer Enclosure cc: Karl Schultz, Tetra Tech Program Manager Dustin Grams, Tetra Tech Project Manager Mayra ArroyoOrtiz, Tetra Tech Project Document Control Coordinator TO-TOLIN File Tetra Tech, Inc. 1 South Wacker Dr. Suite 3700, Chicago, IL 60606 Tel 312.201.7479 | Fax 312.201.0031 www.tetratech.com TETRATECH ------- ATTACHMENT DATA VALIDATION REPORT EUROFINS AIR TOXICS, LLC REPORT NOS. 2305169,2305171, 2305174 AND 2305209 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 1860a Laboratory Report No. 2305169 Laboratory Eurofins Air Toxics, LLC, Folsom CA Analyses Volatile organic compounds (VOCs) by EPA Method TO-15 in scan anc selected ion monitoring (SIM) modes Samples and Matrix Nine air samples, including one field duplicate Collection Date(s) 05/06/2023 Field Duplicate Pairs EPD-WA-06-050623/EPD-WA-66-050623 Field QC Blanks None INTRODUCTION This checklist summarizes the Stage 2A validation performed on the subject laboratory report, in accordance with the U.S. Environmental Protection Agency (EPA) Guidance for Labeling Externally Validated Laboratory Analytical Data for Superfund Use (January 2009). Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), and the EPA National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). OVERALL EVALUATION No rejection of results was required for this data package. The results may be used as qualified based on the findings of this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) were not provided in the Level II laboratory report. The lab provided the RPDs separately. No qualifications were applied. TETRA TECH Page 1 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes Y The canister receipt vacuum/pressures values in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that the all values are negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums are recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures are recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes Y TO-15 SIM (2305169-10B): 1,4-Dichlorobenzene was detected in the method blank at levels between the method detection limit (MDL) and reporting limit (RL). All 1,4-dichlorobenzene results were non-detect, therefore no qualifications were applied. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y MS/MSDs: Within Criteria Exceedance/Notes NA H , TETRA TECH Page 2 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes Y LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factor for: • EPD-DW-E-050623 was 1.51. • EPD-UW-A-050623 was 1.48. • EPD-WA-01-050623 was 1.51. • EPD-WA-02-050623 was 1.43. • EPD-WA-03-050623 was 1.80. • EPD-WA-04-050623 was 1.53. • EPD-WA-05-050623 was 1.43. • EPD-WA-06-050623 was 1.38. • EPD-WA-66-050623 was 1.46. TETRA TECH Page 3 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA MDLs/RLs: Within Criteria Exceedance/Notes Y Detections between the MDL and RL were reported and qualified as estimated (flagged J) by the laboratory. Tentatively identified compounds: Within Criteria Exceedance/Notes Y Tentatively identified compounds (TICs) were detected in all samples. The known TICs were qualified as tentatively identified (flagged NJ). The unknown TICs were qualified as estimated (flagged J). 2-Ethyl-l-hexanol and butyl acrylate in all samples were reported as not detected and qualified as manually searched for, but not found in the sample (flagged U,NF). Other [None]: Within Criteria Exceedance/Notes NA TETRA TECH Page 4 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Overall Qualifications: See results summary pages attached for changes to the laboratory qualifiers based upon this validation. The following is a list of qualifiers and definitions that may be used for the validation of this data package: J The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample. J+ The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased high. J- The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased low. NF The tentatively identified compound was manually searched for but was not found in the sample. NJ The analysis indicates the presence of an analyte that has been "tentatively identified" and the associated value is the approximate concentration of the analyte in the sample. R The sample result is rejected as unusable due to serious deficiencies in one or more quality control criteria. The analyte may or may not be present in the sample. U The analyte was analyzed for, but was not detected at or above the associated value (reporting limit). UJ The analyte was analyzed for, but was not detected at or above the associated value (reporting limit), which is considered approximate due to deficiencies in one or more quality control criteria. TETRA TECH Page 5 of 5 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-E-050623 TO-15 120-82-1 1,2,4-TRICHLORO BENZENE 5.6 U 1.2 5.6 UG/M3 5.6 U EPD-DW-E-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.23 J 0.18 0.74 UG/M3 0.23 J EPD-DW-E-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.14 0.91 UG/M3 0.91 U EPD-DW-E-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.7 U 0.14 0.7 UG/M3 0.70 U EPD-DW-E-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.15 0.74 UG/M3 0.74 U EPD-DW-E-050623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.046 0.33 UG/M3 0.33 U EPD-DW-E-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.09 0.91 UG/M3 0.91 U EPD-DW-E-050623 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.079 0.54 UG/M3 0.54 U EPD-DW-E-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.38 J 0.23 3.5 UG/M3 0.38 J EPD-DW-E-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.6 J 0.38 2.2 UG/M3 1.6 J EPD-DW-E-050623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.59 3.1 UG/M3 3.1 U EPD-DW-E-050623 TO-15 67-63-0 2-PROPANOL 7.4 U 0.18 7.4 UG/M3 7.4 U EPD-DW-E-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.21 2.4 UG/M3 2.4 U EPD-DW-E-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.18 J 0.13 0.74 UG/M3 0.18 J EPD-DW-E-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.19 0.62 UG/M3 0.62 U EPD-DW-E-050623 TO-15 67-64-1 ACETONE 9.8 0.54 7.2 UG/M3 9.8 EPD-DW-E-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.23 0.78 UG/M3 0.78 U EPD-DW-E-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 1 U 0.13 1 UG/M3 1.0 U EPD-DW-E-050623 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-DW-E-050623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-DW-E-050623 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.1 2.4 UG/M3 2.4 U EPD-DW-E-050623 TO-15 108-90-7 CHLOROBENZENE 0.7 U 0.08 0.7 UG/M3 0.70 U EPD-DW-E-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-DW-E-050623 TO-15 98-82-8 CUMENE 0.74 U 0.068 0.74 UG/M3 0.74 U EPD-DW-E-050623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-DW-E-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-DW-E-050623 TO-15 64-17-5 ETHANOL 2.6 J 0.72 18 UG/M3 2.6 J EPD-DW-E-050623 TO-15 75-69-4 FREON 11 1.1 0.13 0.85 UG/M3 1.1 EPD-DW-E-050623 TO-15 76-13-1 FREON 113 0.41 J 0.12 1.2 UG/M3 0.41 J EPD-DW-E-050623 TO-15 142-82-5 HEPTANE 3.1 U 0.43 3.1 UG/M3 3.1 U EPD-DW-E-050623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8 U 0.53 8 UG/M3 8.0 U EPD-DW-E-050623 TO-15 110-54-3 HEXANE 0.35 J 0.24 2.7 UG/M3 0.35 J EPD-DW-E-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.52 J 0.33 1 UG/M3 0.52 J EPD-DW-E-050623 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.17 0.74 UG/M3 0.74 U Page 1 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-E-050623 TO-15 100-42-5 STYRENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-DW-E-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.38 2.2 UG/M3 2.2 U EPD-DW-E-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-DW-E-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-DW-E-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-DW-E-050623 TO-15 NA UNKNOWN TIC 1.1 J PPBV 1.1 J EPD-DW-E-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.029 J 0.022 0.16 UG/M3 0.029 J EPD-DW-E-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.088 0.21 UG/M3 0.21 U EPD-DW-E-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.057 0.16 UG/M3 0.16 U EPD-DW-E-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-DW-E-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.060 U 0.023 0.060 UG/M3 0.060 U EPD-DW-E-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.082 0.23 UG/M3 0.23 U EPD-DW-E-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.065 J 0.031 0.12 UG/M3 0.065 J EPD-DW-E-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.064 0.18 UG/M3 0.18 U EPD-DW-E-050623 TO-15 SIM 71-43-2 BENZENE 0.47 0.027 0.24 UG/M3 0.47 EPD-DW-E-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.040 0.19 UG/M3 0.47 EPD-DW-E-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.022 0.20 UG/M3 0.20 U EPD-DW-E-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.076 J 0.022 0.15 UG/M3 0.076 J EPD-DW-E-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.89 J 0.31 1.6 UG/M3 0.89 J EPD-DW-E-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-DW-E-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.14 0.013 0.13 UG/M3 0.14 EPD-DW-E-050623 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.017 0.21 UG/M3 0.11 J EPD-DW-E-050623 TO-15 SIM 75-71-8 FREON 12 2.3 0.027 0.37 UG/M3 2.3 EPD-DW-E-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.56 0.008 0.26 UG/M3 0.56 EPD-DW-E-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.015 0.54 UG/M3 0.54 U EPD-DW-E-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.40 U 0.11 0.40 UG/M3 0.40 U EPD-DW-E-050623 TO-15 SIM 95-47-6 O-XYLENE 0.45 0.011 0.13 UG/M3 0.45 EPD-DW-E-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.20 U 0.11 0.20 UG/M3 0.20 U EPD-DW-E-050623 TO-15 SIM 108-88-3 TOLUENE 0.87 0.015 0.28 UG/M3 0.87 EPD-DW-E-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.60 U 0.014 0.60 UG/M3 0.60 U EPD-DW-E-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-DW-E-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.47 0.011 0.038 UG/M3 0.47 EPD-UW-A-050623 TO-15 120-82-1 1,2,4-TRICHLORO BENZENE 5.5 U 1.2 5.5 UG/M3 5.5 u EPD-UW-A-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.73 U 0.18 0.73 UG/M3 0.73 u Page 2 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-A-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.14 0.89 UG/M3 0.89 U EPD-UW-A-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-UW-A-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.15 0.73 UG/M3 0.73 U EPD-UW-A-050623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.045 0.33 UG/M3 0.33 U EPD-UW-A-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.088 0.89 UG/M3 0.89 U EPD-UW-A-050623 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.077 0.53 UG/M3 0.53 U EPD-UW-A-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.22 3.4 UG/M3 3.4 U EPD-UW-A-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.40 J 0.37 2.2 UG/M3 0.40 J EPD-UW-A-050623 TO-15 591-78-6 2-HEXANONE 3.0 U 0.58 3.0 UG/M3 3.0 U EPD-UW-A-050623 TO-15 67-63-0 2-PROPANOL 7.3 U 0.18 7.3 UG/M3 7.3 U EPD-UW-A-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.20 2.3 UG/M3 2.3 U EPD-UW-A-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-UW-A-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.18 0.61 UG/M3 0.61 U EPD-UW-A-050623 TO-15 67-64-1 ACETONE 4.3 J 0.53 7.0 UG/M3 4.3 J EPD-UW-A-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.22 0.77 UG/M3 0.77 U EPD-UW-A-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.12 0.99 UG/M3 0.99 U EPD-UW-A-050623 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-UW-A-050623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-UW-A-050623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.10 2.3 UG/M3 2.3 U EPD-UW-A-050623 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.078 0.68 UG/M3 0.68 U EPD-UW-A-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 u 0.18 0.67 UG/M3 0.67 u EPD-UW-A-050623 TO-15 98-82-8 CUMENE 0.73 u 0.067 0.73 UG/M3 0.73 u EPD-UW-A-050623 TO-15 110-82-7 CYCLOHEXANE 2.5 u 0.43 2.5 UG/M3 2.5 u EPD-UW-A-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 u 0.18 1.3 UG/M3 1.3 u EPD-UW-A-050623 TO-15 64-17-5 ETHANOL 1.6 J 0.71 17 UG/M3 1.6 J EPD-UW-A-050623 TO-15 75-69-4 FREON 11 1.2 0.12 0.83 UG/M3 1.2 EPD-UW-A-050623 TO-15 76-13-1 FREON 113 0.45 J 0.12 1.1 UG/M3 0.45 J EPD-UW-A-050623 TO-15 142-82-5 HEPTANE 3.0 u 0.42 3.0 UG/M3 3.0 u EPD-UW-A-050623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 u 0.52 7.9 UG/M3 7.9 u EPD-UW-A-050623 TO-15 110-54-3 HEXANE 2.6 u 0.24 2.6 UG/M3 2.6 u EPD-UW-A-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.45 J 0.32 1.0 UG/M3 0.45 J EPD-UW-A-050623 TO-15 103-65-1 PROPYLBENZENE 0.73 u 0.17 0.73 UG/M3 0.73 u EPD-UW-A-050623 TO-15 100-42-5 STYRENE 0.63 u 0.10 0.63 UG/M3 0.63 u EPD-UW-A-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 u 0.37 2.2 UG/M3 2.2 u Page 3 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-A-050623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-UW-A-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-UW-A-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-UW-A-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-UW-A-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.086 0.20 UG/M3 0.20 U EPD-UW-A-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.056 0.16 UG/M3 0.16 U EPD-UW-A-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-UW-A-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.022 0.059 UG/M3 0.059 U EPD-UW-A-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.080 0.23 UG/M3 0.23 U EPD-UW-A-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.065 J 0.030 0.12 UG/M3 0.065 J EPD-UW-A-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.063 0.18 UG/M3 0.18 U EPD-UW-A-050623 TO-15 SIM 71-43-2 BENZENE 0.30 0.027 0.24 UG/M3 0.30 EPD-UW-A-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.49 0.040 0.19 UG/M3 0.49 EPD-UW-A-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.021 0.20 UG/M3 0.20 U EPD-UW-A-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.077 J 0.021 0.14 UG/M3 0.077 J EPD-UW-A-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.94 J 0.31 1.5 UG/M3 0.94 J EPD-UW-A-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-UW-A-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.068 J 0.012 0.13 UG/M3 0.068 J EPD-UW-A-050623 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.017 0.21 UG/M3 0.11 J EPD-UW-A-050623 TO-15 SIM 75-71-8 FREON 12 2.4 0.027 0.36 UG/M3 2.4 EPD-UW-A-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.22 J 0.0078 0.26 UG/M3 0.22 J EPD-UW-A-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-UW-A-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.39 U 0.11 0.39 UG/M3 0.39 U EPD-UW-A-050623 TO-15 SIM 95-47-6 O-XYLENE 0.092 J 0.011 0.13 UG/M3 0.092 J EPD-UW-A-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.20 U 0.11 0.20 UG/M3 0.20 U EPD-UW-A-050623 TO-15 SIM 108-88-3 TOLUENE 0.50 0.014 0.28 UG/M3 0.50 EPD-UW-A-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.59 U 0.013 0.59 UG/M3 0.59 U EPD-UW-A-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 u EPD-UW-A-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.66 0.011 0.038 UG/M3 0.66 EPD-WA-01-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.2 5.6 UG/M3 5.6 u EPD-WA-01-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.24 J 0.18 0.74 UG/M3 0.24 J EPD-WA-01-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.14 0.91 UG/M3 0.91 u EPD-WA-01-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.70 U 0.14 0.70 UG/M3 0.70 u EPD-WA-01-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.15 0.74 UG/M3 0.74 U Page 4 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.046 0.33 UG/M3 0.33 U EPD-WA-01-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.090 0.91 UG/M3 0.91 U EPD-WA-01-050623 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.079 0.54 UG/M3 0.54 U EPD-WA-01-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.27 J 0.23 3.5 UG/M3 0.27 J EPD-WA-01-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.40 J 0.38 2.2 UG/M3 0.40 J EPD-WA-01-050623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.59 3.1 UG/M3 3.1 U EPD-WA-01-050623 TO-15 67-63-0 2-PROPANOL 7.4 U 0.18 7.4 UG/M3 7.4 U EPD-WA-01-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.21 2.4 UG/M3 2.4 U EPD-WA-01-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.16 J 0.13 0.74 UG/M3 0.16 J EPD-WA-01-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.19 0.62 UG/M3 0.62 U EPD-WA-01-050623 TO-15 67-64-1 ACETONE 6.9 J 0.54 7.2 UG/M3 6.9 J EPD-WA-01-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.23 0.78 UG/M3 0.78 U EPD-WA-01-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.13 1.0 UG/M3 1.0 U EPD-WA-01-050623 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-WA-01-050623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-WA-01-050623 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.10 2.4 UG/M3 2.4 U EPD-WA-01-050623 TO-15 108-90-7 CHLOROBENZENE 0.70 U 0.080 0.70 UG/M3 0.70 U EPD-WA-01-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-WA-01-050623 TO-15 98-82-8 CUMENE 0.74 U 0.068 0.74 UG/M3 0.74 U EPD-WA-01-050623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-WA-01-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-WA-01-050623 TO-15 64-17-5 ETHANOL 2.9 J 0.72 18 UG/M3 2.9 J EPD-WA-01-050623 TO-15 75-69-4 FREON 11 1.3 0.13 0.85 UG/M3 1.3 EPD-WA-01-050623 TO-15 76-13-1 FREON 113 0.48 J 0.12 1.2 UG/M3 0.48 J EPD-WA-01-050623 TO-15 142-82-5 HEPTANE 3.1 U 0.43 3.1 UG/M3 3.1 U EPD-WA-01-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.0 U 0.53 8.0 UG/M3 8.0 U EPD-WA-01-050623 TO-15 110-54-3 HEXANE 0.59 J 0.24 2.7 UG/M3 0.59 J EPD-WA-01-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.54 J 0.33 1.0 UG/M3 0.54 J EPD-WA-01-050623 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.17 0.74 UG/M3 0.74 U EPD-WA-01-050623 TO-15 100-42-5 STYRENE 0.64 U 0.10 0.64 UG/M3 0.64 U EPD-WA-01-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.38 2.2 UG/M3 2.2 U EPD-WA-01-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-WA-01-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-01-050623 TO-15 106-97-8 BUTANE 1.8 NJ PPBV 1.8 NJ Page 5 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050623 TO-15 78-78-4 BUTANE, 2-METHYL- 1.8 NJ PPBV 1.8 NJ EPD-WA-01-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-01-050623 TO-15 75-28-5 ISOBUTANE 0.96 NJ PPBV 0.96 NJ EPD-WA-01-050623 TO-15 109-66-0 PENTANE 0.82 NJ PPBV 0.82 NJ EPD-WA-01-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-01-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.088 0.21 UG/M3 0.21 U EPD-WA-01-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.057 0.16 UG/M3 0.16 U EPD-WA-01-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-01-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.060 U 0.023 0.060 UG/M3 0.060 U EPD-WA-01-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.082 0.23 UG/M3 0.23 U EPD-WA-01-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.067 J 0.031 0.12 UG/M3 0.067 J EPD-WA-01-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.064 0.18 UG/M3 0.18 U EPD-WA-01-050623 TO-15 SIM 71-43-2 BENZENE 0.5 0.027 0.24 UG/M3 0.50 EPD-WA-01-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.48 0.040 0.19 UG/M3 0.48 EPD-WA-01-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.20 UG/M3 0.20 U EPD-WA-01-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.089 J 0.022 0.15 UG/M3 0.089 J EPD-WA-01-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.92 J 0.31 1.6 UG/M3 0.92 J EPD-WA-01-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-01-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.1 J 0.013 0.13 UG/M3 0.10 J EPD-WA-01-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.017 0.21 UG/M3 0.12 J EPD-WA-01-050623 TO-15 SIM 75-71-8 FREON 12 2.4 0.027 0.37 UG/M3 2.4 EPD-WA-01-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.38 0.008 0.26 UG/M3 0.38 EPD-WA-01-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.015 0.54 UG/M3 0.54 U EPD-WA-01-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.14 J 0.11 0.40 UG/M3 0.14 J EPD-WA-01-050623 TO-15 SIM 95-47-6 O-XYLENE 0.17 0.011 0.13 UG/M3 0.17 EPD-WA-01-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.34 0.11 0.20 UG/M3 0.34 EPD-WA-01-050623 TO-15 SIM 108-88-3 TOLUENE 0.82 0.015 0.28 UG/M3 0.82 EPD-WA-01-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.78 0.014 0.60 UG/M3 0.78 EPD-WA-01-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-01-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.61 0.011 0.038 UG/M3 0.61 EPD-WA-02-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 1.2 5.3 UG/M3 5.3 U EPD-WA-02-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.24 J 0.17 0.70 UG/M3 0.24 J EPD-WA-02-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.14 0.86 UG/M3 0.86 U EPD-WA-02-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.14 0.66 UG/M3 0.66 U Page 6 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.70 U 0.14 0.70 UG/M3 0.70 U EPD-WA-02-050623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.043 0.32 UG/M3 0.32 U EPD-WA-02-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.086 0.86 UG/M3 0.86 U EPD-WA-02-050623 TO-15 123-91-1 1,4-DIOXANE 0.52 U 0.074 0.52 UG/M3 0.52 U EPD-WA-02-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.38 J 0.22 3.3 UG/M3 0.38 J EPD-WA-02-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.52 J 0.36 2.1 UG/M3 0.52 J EPD-WA-02-050623 TO-15 591-78-6 2-HEXANONE 2.9 U 0.56 2.9 UG/M3 2.9 U EPD-WA-02-050623 TO-15 67-63-0 2-PROPANOL 7.0 U 0.17 7.0 UG/M3 7.0 U EPD-WA-02-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.20 2.2 UG/M3 2.2 U EPD-WA-02-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.23 J 0.12 0.70 UG/M3 0.23 J EPD-WA-02-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.58 U 0.18 0.58 UG/M3 0.58 U EPD-WA-02-050623 TO-15 67-64-1 ACETONE 4.5 J 0.51 6.8 UG/M3 4.5 J EPD-WA-02-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.21 0.74 UG/M3 0.74 U EPD-WA-02-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 0.96 U 0.12 0.96 UG/M3 0.96 U EPD-WA-02-050623 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-02-050623 TO-15 74-83-9 BROMOMETHANE 28 U 1.3 28 UG/M3 28 U EPD-WA-02-050623 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.098 2.2 UG/M3 2.2 U EPD-WA-02-050623 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.076 0.66 UG/M3 0.66 U EPD-WA-02-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.17 0.65 UG/M3 0.65 U EPD-WA-02-050623 TO-15 98-82-8 CUMENE 0.70 U 0.065 0.70 UG/M3 0.70 U EPD-WA-02-050623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-02-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-02-050623 TO-15 64-17-5 ETHANOL 2.7 J 0.68 17 UG/M3 2.7 J EPD-WA-02-050623 TO-15 75-69-4 FREON 11 1.2 0.12 0.80 UG/M3 1.2 EPD-WA-02-050623 TO-15 76-13-1 FREON 113 0.49 J 0.11 1.1 UG/M3 0.49 J EPD-WA-02-050623 TO-15 142-82-5 HEPTANE 2.9 U 0.41 2.9 UG/M3 2.9 U EPD-WA-02-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.6 U 0.50 7.6 UG/M3 7.6 U EPD-WA-02-050623 TO-15 110-54-3 HEXANE 0.49 J 0.23 2.5 UG/M3 0.49 J EPD-WA-02-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.50 J 0.31 0.99 UG/M3 0.50 J EPD-WA-02-050623 TO-15 103-65-1 PROPYLBENZENE 0.70 U 0.16 0.70 UG/M3 0.70 U EPD-WA-02-050623 TO-15 100-42-5 STYRENE 0.61 U 0.099 0.61 UG/M3 0.61 U EPD-WA-02-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.1 u 0.36 2.1 UG/M3 2.1 u EPD-WA-02-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.65 u 0.13 0.65 UG/M3 0.65 u EPD-WA-02-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF Page 7 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050623 TO-15 106-97-8 BUTANE 0.81 NJ PPBV 0.81 NJ EPD-WA-02-050623 TO-15 78-78-4 BUTANE, 2-METHYL- 1.0 NJ PPBV 1.0 NJ EPD-WA-02-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-02-050623 TO-15 111-84-2 NONANE 0.82 NJ PPBV 0.82 NJ EPD-WA-02-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.020 0.16 UG/M3 0.16 U EPD-WA-02-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.083 0.20 UG/M3 0.20 U EPD-WA-02-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.054 0.16 UG/M3 0.16 U EPD-WA-02-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.016 0.12 UG/M3 0.12 U EPD-WA-02-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.022 0.057 UG/M3 0.057 U EPD-WA-02-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.077 0.22 UG/M3 0.22 U EPD-WA-02-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.068 J 0.030 0.12 UG/M3 0.068 J EPD-WA-02-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.061 0.17 UG/M3 0.17 U EPD-WA-02-050623 TO-15 SIM 71-43-2 BENZENE 0.68 0.026 0.23 UG/M3 0.68 EPD-WA-02-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.038 0.18 UG/M3 0.47 EPD-WA-02-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-02-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.075 J 0.020 0.14 UG/M3 0.075 J EPD-WA-02-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.95 J 0.30 1.5 UG/M3 0.95 J EPD-WA-02-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.01 0.11 UG/M3 0.11 U EPD-WA-02-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.19 0.012 0.12 UG/M3 0.19 EPD-WA-02-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.016 0.20 UG/M3 0.12 J EPD-WA-02-050623 TO-15 SIM 75-71-8 FREON 12 2.5 0.026 0.35 UG/M3 2.5 EPD-WA-02-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.70 0.0076 0.25 UG/M3 0.70 EPD-WA-02-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.014 0.52 UG/M3 0.52 U EPD-WA-02-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.13 J 0.11 0.37 UG/M3 0.13 J EPD-WA-02-050623 TO-15 SIM 95-47-6 O-XYLENE 0.64 0.010 0.12 UG/M3 0.64 EPD-WA-02-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.11 0.19 UG/M3 0.19 U EPD-WA-02-050623 TO-15 SIM 108-88-3 TOLUENE 1.1 0.014 0.27 UG/M3 1.1 EPD-WA-02-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.57 U 0.013 0.57 UG/M3 0.57 U EPD-WA-02-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.021 0.15 UG/M3 0.15 U EPD-WA-02-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 2.9 0.011 0.036 UG/M3 2.9 EPD-WA-03-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.7 U 1.5 6.7 UG/M3 6.7 U EPD-WA-03-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.88 U 0.21 0.88 UG/M3 0.88 U EPD-WA-03-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 1.1 U 0.17 1.1 UG/M3 1.1 U EPD-WA-03-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.83 U 0.17 0.83 UG/M3 0.83 U Page 8 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.88 U 0.18 0.88 UG/M3 0.88 U EPD-WA-03-050623 TO-15 106-99-0 1,3-BUTADIENE 0.40 U 0.055 0.40 UG/M3 0.40 U EPD-WA-03-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 1.1 U 0.11 1.1 UG/M3 1.1 U EPD-WA-03-050623 TO-15 123-91-1 1,4-DIOXANE 0.65 U 0.094 0.65 UG/M3 0.65 U EPD-WA-03-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 4.2 U 0.27 4.2 UG/M3 4.2 U EPD-WA-03-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.92 J 0.45 2.6 UG/M3 0.92 J EPD-WA-03-050623 TO-15 591-78-6 2-HEXANONE 3.7 U 0.70 3.7 UG/M3 3.7 U EPD-WA-03-050623 TO-15 67-63-0 2-PROPANOL 8.8 U 0.21 8.8 UG/M3 8.8 U EPD-WA-03-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.8 U 0.25 2.8 UG/M3 2.8 U EPD-WA-03-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.88 U 0.15 0.88 UG/M3 0.88 U EPD-WA-03-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.74 U 0.22 0.74 UG/M3 0.74 U EPD-WA-03-050623 TO-15 67-64-1 ACETONE 7.6 J 0.64 8.6 UG/M3 7.6 J EPD-WA-03-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.93 U 0.27 0.93 UG/M3 0.93 U EPD-WA-03-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 1.2 U 0.15 1.2 UG/M3 1.2 U EPD-WA-03-050623 TO-15 75-25-2 BROMOFORM 1.9 U 0.18 1.9 UG/M3 1.9 U EPD-WA-03-050623 TO-15 74-83-9 BROMOMETHANE 35 U 1.7 35 UG/M3 35 U EPD-WA-03-050623 TO-15 75-15-0 CARBON DISULFIDE 0.18 J 0.12 2.8 UG/M3 0.18 J EPD-WA-03-050623 TO-15 108-90-7 CHLOROBENZENE 0.83 U 0.096 0.83 UG/M3 0.83 U EPD-WA-03-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.82 U 0.22 0.82 UG/M3 0.82 U EPD-WA-03-050623 TO-15 98-82-8 CUMENE 0.88 U 0.082 0.88 UG/M3 0.88 U EPD-WA-03-050623 TO-15 110-82-7 CYCLOHEXANE 3.1 U 0.52 3.1 UG/M3 3.1 U EPD-WA-03-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.5 U 0.22 1.5 UG/M3 1.5 U EPD-WA-03-050623 TO-15 64-17-5 ETHANOL 3.0 J 0.86 21 UG/M3 3.0 J EPD-WA-03-050623 TO-15 75-69-4 FREON 11 1.2 0.15 1.0 UG/M3 1.2 EPD-WA-03-050623 TO-15 76-13-1 FREON 113 0.41 J 0.14 1.4 UG/M3 0.41 J EPD-WA-03-050623 TO-15 142-82-5 HEPTANE 3.7 U 0.51 3.7 UG/M3 3.7 U EPD-WA-03-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 9.6 U 0.63 9.6 UG/M3 9.6 U EPD-WA-03-050623 TO-15 110-54-3 HEXANE 0.31 J 0.29 3.2 UG/M3 0.31 J EPD-WA-03-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.45 J 0.39 1.2 UG/M3 0.45 J EPD-WA-03-050623 TO-15 103-65-1 PROPYLBENZENE 0.88 U 0.20 0.88 UG/M3 0.88 U EPD-WA-03-050623 TO-15 100-42-5 STYRENE 0.77 U 0.12 0.77 UG/M3 0.77 U EPD-WA-03-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.6 U 0.45 2.6 UG/M3 2.6 U EPD-WA-03-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.82 U 0.17 0.82 UG/M3 0.82 U EPD-WA-03-050623 TO-15 872-05-9 1-DECENE 1.2 NJ PPBV 1.2 NJ Page 9 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-03-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-03-050623 TO-15 124-19-6 NONANAL 0.98 NJ PPBV 0.98 NJ EPD-WA-03-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.20 U 0.026 0.20 UG/M3 0.20 U EPD-WA-03-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.25 U 0.10 0.25 UG/M3 0.25 U EPD-WA-03-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.20 U 0.068 0.2 UG/M3 0.20 U EPD-WA-03-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.14 U 0.021 0.14 UG/M3 0.14 U EPD-WA-03-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.071 U 0.027 0.071 UG/M3 0.071 U EPD-WA-03-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.28 U 0.097 0.28 UG/M3 0.28 U EPD-WA-03-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.065 J 0.037 0.14 UG/M3 0.065 J EPD-WA-03-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.22 U 0.077 0.22 UG/M3 0.22 U EPD-WA-03-050623 TO-15 SIM 71-43-2 BENZENE 0.42 0.032 0.29 UG/M3 0.42 EPD-WA-03-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.048 0.23 UG/M3 0.46 EPD-WA-03-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.037 J 0.026 0.24 UG/M3 0.037 J EPD-WA-03-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.073 J 0.026 0.18 UG/M3 0.073 J EPD-WA-03-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.94 J 0.37 1.8 UG/M3 0.94 J EPD-WA-03-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.14 U 0.013 0.14 UG/M3 0.14 U EPD-WA-03-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.091 J 0.015 0.16 UG/M3 0.091 J EPD-WA-03-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.020 0.25 UG/M3 0.12 J EPD-WA-03-050623 TO-15 SIM 75-71-8 FREON 12 2.3 0.033 0.44 UG/M3 2.3 EPD-WA-03-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 J 0.0095 0.31 UG/M3 0.31 J EPD-WA-03-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.65 U 0.018 0.65 UG/M3 0.65 U EPD-WA-03-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.14 0.47 UG/M3 0.16 J EPD-WA-03-050623 TO-15 SIM 95-47-6 O-XYLENE 0.12 J 0.013 0.16 UG/M3 0.12 J EPD-WA-03-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.24 U 0.13 0.24 UG/M3 0.24 U EPD-WA-03-050623 TO-15 SIM 108-88-3 TOLUENE 0.63 0.018 0.34 UG/M3 0.63 EPD-WA-03-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.71 U 0.016 0.71 UG/M3 0.71 U EPD-WA-03-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.19 U 0.026 0.19 UG/M3 0.19 U EPD-WA-03-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 1.4 0.013 0.046 UG/M3 1.4 EPD-WA-04-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.7 U 1.2 5.7 UG/M3 5.7 U EPD-WA-04-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.75 U 0.18 0.75 UG/M3 0.75 U EPD-WA-04-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.92 U 0.14 0.92 UG/M3 0.92 U EPD-WA-04-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.71 U 0.14 0.71 UG/M3 0.71 U EPD-WA-04-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.75 U 0.15 0.75 UG/M3 0.75 U Page 10 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050623 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.046 0.34 UG/M3 0.34 U EPD-WA-04-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.92 U 0.092 0.92 UG/M3 0.92 U EPD-WA-04-050623 TO-15 123-91-1 1,4-DIOXANE 0.55 U 0.080 0.55 UG/M3 0.55 U EPD-WA-04-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.6 U 0.23 3.6 UG/M3 3.6 U EPD-WA-04-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.0 J 0.39 2.2 UG/M3 1.0 J EPD-WA-04-050623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.60 3.1 UG/M3 3.1 U EPD-WA-04-050623 TO-15 67-63-0 2-PROPANOL 7.5 U 0.18 7.5 UG/M3 7.5 U EPD-WA-04-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.21 2.4 UG/M3 2.4 U EPD-WA-04-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.75 U 0.13 0.75 UG/M3 0.75 U EPD-WA-04-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.63 U 0.19 0.63 UG/M3 0.63 U EPD-WA-04-050623 TO-15 67-64-1 ACETONE 8.1 0.54 7.3 UG/M3 8.1 EPD-WA-04-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.79 U 0.23 0.79 UG/M3 0.79 U EPD-WA-04-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.13 1.0 UG/M3 1.0 U EPD-WA-04-050623 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-WA-04-050623 TO-15 74-83-9 BROMOMETHANE 30 U 1.4 30 UG/M3 30 U EPD-WA-04-050623 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.10 2.4 UG/M3 2.4 U EPD-WA-04-050623 TO-15 108-90-7 CHLOROBENZENE 0.70 U 0.081 0.70 UG/M3 0.70 U EPD-WA-04-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.69 U 0.19 0.69 UG/M3 0.69 U EPD-WA-04-050623 TO-15 98-82-8 CUMENE 0.75 U 0.069 0.75 UG/M3 0.75 U EPD-WA-04-050623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-WA-04-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-WA-04-050623 TO-15 64-17-5 ETHANOL 1.9 J 0.73 18 UG/M3 1.9 J EPD-WA-04-050623 TO-15 75-69-4 FREON 11 1.2 0.13 0.86 UG/M3 1.2 EPD-WA-04-050623 TO-15 76-13-1 FREON 113 0.46 J 0.12 1.2 UG/M3 0.46 J EPD-WA-04-050623 TO-15 142-82-5 HEPTANE 3.1 U 0.44 3.1 UG/M3 3.1 U EPD-WA-04-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.2 U 0.54 8.2 UG/M3 8.2 U EPD-WA-04-050623 TO-15 110-54-3 HEXANE 2.7 U 0.24 2.7 UG/M3 2.7 U EPD-WA-04-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.64 J 0.33 1.1 UG/M3 0.64 J EPD-WA-04-050623 TO-15 103-65-1 PROPYLBENZENE 0.75 U 0.17 0.75 UG/M3 0.75 U EPD-WA-04-050623 TO-15 100-42-5 STYRENE 0.65 u 0.10 0.65 UG/M3 0.65 u EPD-WA-04-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 u 0.38 2.2 UG/M3 2.2 u EPD-WA-04-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.69 u 0.14 0.69 UG/M3 0.69 u EPD-WA-04-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF EPD-WA-04-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 u PPBV 0 U, NF Page 11 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050623 TO-15 124-19-6 NONANAL 1.1 NJ PPBV 1.1 NJ EPD-WA-04-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.022 0.17 UG/M3 0.17 U EPD-WA-04-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.089 0.21 UG/M3 0.21 U EPD-WA-04-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.058 0.17 UG/M3 0.17 U EPD-WA-04-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.018 0.12 UG/M3 0.12 U EPD-WA-04-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.023 0.061 UG/M3 0.061 U EPD-WA-04-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.083 0.24 UG/M3 0.24 U EPD-WA-04-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.068 J 0.032 0.12 UG/M3 0.068 J EPD-WA-04-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.065 0.18 UG/M3 0.18 U EPD-WA-04-050623 TO-15 SIM 71-43-2 BENZENE 0.39 0.028 0.24 UG/M3 0.39 EPD-WA-04-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.49 0.041 0.19 UG/M3 0.49 EPD-WA-04-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.2 UG/M3 0.20 U EPD-WA-04-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.078 J 0.022 0.15 UG/M3 0.078 J EPD-WA-04-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.92 J 0.32 1.6 UG/M3 0.92 J EPD-WA-04-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-04-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.073 J 0.013 0.13 UG/M3 0.073 J EPD-WA-04-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.017 0.21 UG/M3 0.12 J EPD-WA-04-050623 TO-15 SIM 75-71-8 FREON 12 2.5 0.028 0.38 UG/M3 2.5 EPD-WA-04-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.25 J 0.0081 0.26 UG/M3 0.25 J EPD-WA-04-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.55 U 0.015 0.55 UG/M3 0.55 U EPD-WA-04-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.12 J 0.12 0.40 UG/M3 0.12 J EPD-WA-04-050623 TO-15 SIM 95-47-6 O-XYLENE 0.12 J 0.011 0.13 UG/M3 0.12 J EPD-WA-04-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.21 U 0.11 0.21 UG/M3 0.21 U EPD-WA-04-050623 TO-15 SIM 108-88-3 TOLUENE 0.57 0.015 0.29 UG/M3 0.57 EPD-WA-04-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.12 J 0.014 0.61 UG/M3 0.12 J EPD-WA-04-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-04-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.26 0.011 0.039 UG/M3 0.26 EPD-WA-05-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 1.2 5.3 UG/M3 5.3 U EPD-WA-05-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.31 J 0.17 0.7 UG/M3 0.31 J EPD-WA-05-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.14 0.86 UG/M3 0.86 U EPD-WA-05-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.14 0.66 UG/M3 0.66 U EPD-WA-05-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.7 U 0.14 0.7 UG/M3 0.70 U EPD-WA-05-050623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.043 0.32 UG/M3 0.32 U EPD-WA-05-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.086 0.86 UG/M3 0.86 U Page 12 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050623 TO-15 123-91-1 1,4-DIOXANE 0.088 J 0.074 0.52 UG/M3 0.088 J EPD-WA-05-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.41 J 0.22 3.3 UG/M3 0.41 J EPD-WA-05-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.1 U 0.36 2.1 UG/M3 2.1 U EPD-WA-05-050623 TO-15 591-78-6 2-HEXANONE 2.9 U 0.56 2.9 UG/M3 2.9 U EPD-WA-05-050623 TO-15 67-63-0 2-PROPANOL 7 U 0.17 7 UG/M3 7.0 U EPD-WA-05-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.2 2.2 UG/M3 2.2 U EPD-WA-05-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.23 J 0.12 0.7 UG/M3 0.23 J EPD-WA-05-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.58 U 0.18 0.58 UG/M3 0.58 U EPD-WA-05-050623 TO-15 67-64-1 ACETONE 5.5 J 0.51 6.8 UG/M3 5.5 J EPD-WA-05-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.21 0.74 UG/M3 0.74 U EPD-WA-05-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 0.96 U 0.12 0.96 UG/M3 0.96 U EPD-WA-05-050623 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-05-050623 TO-15 74-83-9 BROMOMETHANE 28 U 1.3 28 UG/M3 28 U EPD-WA-05-050623 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.098 2.2 UG/M3 2.2 U EPD-WA-05-050623 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.076 0.66 UG/M3 0.66 U EPD-WA-05-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.17 0.65 UG/M3 0.65 U EPD-WA-05-050623 TO-15 98-82-8 CUMENE 0.7 U 0.065 0.7 UG/M3 0.70 U EPD-WA-05-050623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-05-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-05-050623 TO-15 64-17-5 ETHANOL 3.7 J 0.68 17 UG/M3 3.7 J EPD-WA-05-050623 TO-15 75-69-4 FREON 11 1.2 0.12 0.8 UG/M3 1.2 EPD-WA-05-050623 TO-15 76-13-1 FREON 113 0.44 J 0.11 1.1 UG/M3 0.44 J EPD-WA-05-050623 TO-15 142-82-5 HEPTANE 2.9 U 0.41 2.9 UG/M3 2.9 U EPD-WA-05-050623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.6 U 0.5 7.6 UG/M3 7.6 U EPD-WA-05-050623 TO-15 110-54-3 HEXANE 0.52 J 0.23 2.5 UG/M3 0.52 J EPD-WA-05-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.44 J 0.31 0.99 UG/M3 0.44 J EPD-WA-05-050623 TO-15 103-65-1 PROPYLBENZENE 0.7 U 0.16 0.7 UG/M3 0.70 U EPD-WA-05-050623 TO-15 100-42-5 STYRENE 0.61 U 0.099 0.61 UG/M3 0.61 U EPD-WA-05-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.36 2.1 UG/M3 2.1 U EPD-WA-05-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.65 U 0.13 0.65 UG/M3 0.65 U EPD-WA-05-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-05-050623 TO-15 106-97-8 BUTANE 0.72 NJ PPBV 0.72 NJ EPD-WA-05-050623 TO-15 78-78-4 BUTANE, 2-METHYL- 0.96 NJ PPBV 0.96 NJ EPD-WA-05-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF Page 13 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050623 TO-15 75-28-5 ISOBUTANE 0.75 NJ PPBV 0.75 NJ EPD-WA-05-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.020 0.16 UG/M3 0.16 U EPD-WA-05-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.083 0.20 UG/M3 0.20 U EPD-WA-05-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.054 0.16 UG/M3 0.16 U EPD-WA-05-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.016 0.12 UG/M3 0.12 U EPD-WA-05-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.022 0.057 UG/M3 0.057 U EPD-WA-05-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.077 0.22 UG/M3 0.22 U EPD-WA-05-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.069 J 0.030 0.12 UG/M3 0.069 J EPD-WA-05-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.061 0.17 UG/M3 0.17 U EPD-WA-05-050623 TO-15 SIM 71-43-2 BENZENE 0.47 0.026 0.23 UG/M3 0.47 EPD-WA-05-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.48 0.038 0.18 UG/M3 0.48 EPD-WA-05-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-05-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.093 J 0.020 0.14 UG/M3 0.093 J EPD-WA-05-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.94 J 0.30 1.5 UG/M3 0.94 J EPD-WA-05-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.010 0.11 UG/M3 0.11 U EPD-WA-05-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.19 0.012 0.12 UG/M3 0.19 EPD-WA-05-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.016 0.20 UG/M3 0.12 J EPD-WA-05-050623 TO-15 SIM 75-71-8 FREON 12 2.5 0.026 0.35 UG/M3 2.5 EPD-WA-05-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.75 0.0076 0.25 UG/M3 0.75 EPD-WA-05-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.014 0.52 UG/M3 0.52 U EPD-WA-05-050623 TO-15 SIM 91-20-3 NAPHTHALENE 1.4 0.11 0.37 UG/M3 1.4 EPD-WA-05-050623 TO-15 SIM 95-47-6 O-XYLENE 0.27 0.010 0.12 UG/M3 0.27 EPD-WA-05-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.11 0.19 UG/M3 0.19 U EPD-WA-05-050623 TO-15 SIM 108-88-3 TOLUENE 1.2 0.014 0.27 UG/M3 1.2 EPD-WA-05-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.57 U 0.013 0.57 UG/M3 0.57 U EPD-WA-05-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.025 J 0.021 0.15 UG/M3 0.025 J EPD-WA-05-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.20 0.011 0.036 UG/M3 0.20 EPD-WA-06-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.1 U 1.1 5.1 UG/M3 5.1 U EPD-WA-06-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.43 J 0.16 0.68 UG/M3 0.43 J EPD-WA-06-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.83 U 0.13 0.83 UG/M3 0.83 U EPD-WA-06-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.64 U 0.13 0.64 UG/M3 0.64 U EPD-WA-06-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.15 J 0.14 0.68 UG/M3 0.15 J EPD-WA-06-050623 TO-15 106-99-0 1,3-BUTADIENE 0.082 J 0.042 0.3 UG/M3 0.082 J EPD-WA-06-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.83 U 0.082 0.83 UG/M3 0.83 U Page 14 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050623 TO-15 123-91-1 1,4-DIOXANE 0.5 U 0.072 0.5 UG/M3 0.50 U EPD-WA-06-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.58 J 0.21 3.2 UG/M3 0.58 J EPD-WA-06-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.63 J 0.35 2 UG/M3 0.63 J EPD-WA-06-050623 TO-15 591-78-6 2-HEXANONE 2.8 U 0.54 2.8 UG/M3 2.8 U EPD-WA-06-050623 TO-15 67-63-0 2-PROPANOL 6.8 U 0.16 6.8 UG/M3 6.8 U EPD-WA-06-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.19 2.2 UG/M3 2.2 U EPD-WA-06-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.34 J 0.12 0.68 UG/M3 0.34 J EPD-WA-06-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.17 0.56 UG/M3 0.56 U EPD-WA-06-050623 TO-15 67-64-1 ACETONE 8.1 0.49 6.6 UG/M3 8.1 EPD-WA-06-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.71 U 0.21 0.71 UG/M3 0.71 U EPD-WA-06-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 0.92 U 0.12 0.92 UG/M3 0.92 U EPD-WA-06-050623 TO-15 75-25-2 BROMOFORM 1.4 U 0.14 1.4 UG/M3 1.4 U EPD-WA-06-050623 TO-15 74-83-9 BROMOMETHANE 27 U 1.3 27 UG/M3 27 U EPD-WA-06-050623 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.095 2.1 UG/M3 2.1 U EPD-WA-06-050623 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.073 0.64 UG/M3 0.64 U EPD-WA-06-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.63 U 0.17 0.63 UG/M3 0.63 U EPD-WA-06-050623 TO-15 98-82-8 CUMENE 0.68 U 0.063 0.68 UG/M3 0.68 U EPD-WA-06-050623 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.40 2.4 UG/M3 2.4 U EPD-WA-06-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.17 1.2 UG/M3 1.2 U EPD-WA-06-050623 TO-15 64-17-5 ETHANOL 11 J 0.66 16 UG/M3 11 J EPD-WA-06-050623 TO-15 75-69-4 FREON 11 1.2 0.12 0.78 UG/M3 1.2 EPD-WA-06-050623 TO-15 76-13-1 FREON 113 0.48 J 0.11 1.0 UG/M3 0.48 J EPD-WA-06-050623 TO-15 142-82-5 HEPTANE 2.8 U 0.39 2.8 UG/M3 2.8 U EPD-WA-06-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.4 U 0.48 7.4 UG/M3 7.4 U EPD-WA-06-050623 TO-15 110-54-3 HEXANE 0.69 J 0.22 2.4 UG/M3 0.69 J EPD-WA-06-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.47 J 0.3 0.96 UG/M3 0.47 J EPD-WA-06-050623 TO-15 103-65-1 PROPYLBENZENE 0.68 U 0.16 0.68 UG/M3 0.68 U EPD-WA-06-050623 TO-15 100-42-5 STYRENE 0.59 U 0.096 0.59 UG/M3 0.59 U EPD-WA-06-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.0 U 0.34 2.0 UG/M3 2.0 U EPD-WA-06-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.63 U 0.13 0.63 UG/M3 0.63 U EPD-WA-06-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-06-050623 TO-15 106-97-8 BUTANE 0.91 NJ PPBV 0.91 NJ EPD-WA-06-050623 TO-15 78-78-4 BUTANE, 2-METHYL- 1.1 NJ PPBV 1.1 NJ EPD-WA-06-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF Page 15 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.020 0.15 UG/M3 0.15 U EPD-WA-06-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.19 U 0.080 0.19 UG/M3 0.19 U EPD-WA-06-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.052 0.15 UG/M3 0.15 U EPD-WA-06-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.016 0.11 UG/M3 0.11 U EPD-WA-06-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.055 U 0.021 0.055 UG/M3 0.055 U EPD-WA-06-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.075 0.21 UG/M3 0.21 U EPD-WA-06-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.064 J 0.028 0.11 UG/M3 0.064 J EPD-WA-06-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.059 0.16 UG/M3 0.16 U EPD-WA-06-050623 TO-15 SIM 71-43-2 BENZENE 0.84 0.025 0.22 UG/M3 0.84 EPD-WA-06-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.037 0.17 UG/M3 0.47 EPD-WA-06-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.020 0.18 UG/M3 0.18 U EPD-WA-06-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.076 J 0.020 0.13 UG/M3 0.076 J EPD-WA-06-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.90 J 0.29 1.4 UG/M3 0.90 J EPD-WA-06-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.010 0.11 UG/M3 0.11 U EPD-WA-06-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.25 0.012 0.12 UG/M3 0.25 EPD-WA-06-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.016 0.19 UG/M3 0.12 J EPD-WA-06-050623 TO-15 SIM 75-71-8 FREON 12 2.4 0.025 0.34 UG/M3 2.4 EPD-WA-06-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.91 0.0073 0.24 UG/M3 0.91 EPD-WA-06-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.50 U 0.014 0.50 UG/M3 0.50 U EPD-WA-06-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.33 J 0.10 0.36 UG/M3 0.33 J EPD-WA-06-050623 TO-15 SIM 95-47-6 O-XYLENE 0.43 0.010 0.12 UG/M3 0.43 EPD-WA-06-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.10 0.19 UG/M3 0.19 U EPD-WA-06-050623 TO-15 SIM 108-88-3 TOLUENE 1.5 0.013 0.26 UG/M3 1.5 EPD-WA-06-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.55 U 0.012 0.55 UG/M3 0.55 U EPD-WA-06-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.020 J 0.020 0.15 UG/M3 0.020 J EPD-WA-06-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 3.1 0.010 0.035 UG/M3 3.1 EPD-WA-66-050623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-66-050623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.42 J 0.17 0.72 UG/M3 0.42 J EPD-WA-66-050623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-66-050623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-66-050623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.16 J 0.14 0.72 UG/M3 0.16 J EPD-WA-66-050623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.044 0.32 UG/M3 0.32 U EPD-WA-66-050623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.087 0.88 UG/M3 0.88 U EPD-WA-66-050623 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.076 0.53 UG/M3 0.53 U Page 16 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-66-050623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.56 J 0.22 3.4 UG/M3 0.56 J EPD-WA-66-050623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.52 J 0.37 2.2 UG/M3 0.52 J EPD-WA-66-050623 TO-15 591-78-6 2-HEXANONE 3.0 U 0.57 3.0 UG/M3 3.0 U EPD-WA-66-050623 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-66-050623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.20 2.3 UG/M3 2.3 U EPD-WA-66-050623 TO-15 622-96-8 4-ETHYLTOLUENE 0.36 J 0.12 0.72 UG/M3 0.36 J EPD-WA-66-050623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.60 U 0.18 0.6 UG/M3 0.60 U EPD-WA-66-050623 TO-15 67-64-1 ACETONE 7.1 0.52 6.9 UG/M3 7.1 EPD-WA-66-050623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-66-050623 TO-15 75-27-4 BROMODICHLOROMETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-66-050623 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-66-050623 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-66-050623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.10 2.3 UG/M3 2.3 U EPD-WA-66-050623 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.077 0.67 UG/M3 0.67 U EPD-WA-66-050623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-66-050623 TO-15 98-82-8 CUMENE 0.72 U 0.066 0.72 UG/M3 0.72 U EPD-WA-66-050623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-66-050623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-66-050623 TO-15 64-17-5 ETHANOL 11 J 0.70 17 UG/M3 11 J EPD-WA-66-050623 TO-15 75-69-4 FREON 11 1.2 0.12 0.82 UG/M3 1.2 EPD-WA-66-050623 TO-15 76-13-1 FREON 113 0.53 J 0.11 1.1 UG/M3 0.53 J EPD-WA-66-050623 TO-15 142-82-5 HEPTANE 0.44 J 0.42 3.0 UG/M3 0.44 J EPD-WA-66-050623 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.8 U 0.51 7.8 UG/M3 7.8 U EPD-WA-66-050623 TO-15 110-54-3 HEXANE 0.79 J 0.23 2.6 UG/M3 0.79 J EPD-WA-66-050623 TO-15 75-09-2 METHYLENE CHLORIDE 0.38 J 0.32 1.0 UG/M3 0.38 J EPD-WA-66-050623 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.16 0.72 UG/M3 0.72 U EPD-WA-66-050623 TO-15 100-42-5 STYRENE 0.62 U 0.10 0.62 UG/M3 0.62 U EPD-WA-66-050623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.36 2.2 UG/M3 2.2 U EPD-WA-66-050623 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.66 U 0.14 0.66 UG/M3 0.66 U EPD-WA-66-050623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-66-050623 TO-15 106-97-8 BUTANE 0.95 NJ PPBV 0.95 NJ EPD-WA-66-050623 TO-15 78-78-4 BUTANE, 2-METHYL- 1.2 NJ PPBV 1.2 NJ EPD-WA-66-050623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-66-050623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U Page 17 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305169 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-66-050623 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.085 0.20 UG/M3 0.20 U EPD-WA-66-050623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.055 0.16 UG/M3 0.16 U EPD-WA-66-050623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-66-050623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.022 0.058 UG/M3 0.058 U EPD-WA-66-050623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.079 0.22 UG/M3 0.22 U EPD-WA-66-050623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.068 J 0.03 0.12 UG/M3 0.068 J EPD-WA-66-050623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.062 0.18 UG/M3 0.18 U EPD-WA-66-050623 TO-15 SIM 71-43-2 BENZENE 0.89 0.026 0.23 UG/M3 0.89 EPD-WA-66-050623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.48 0.039 0.18 UG/M3 0.48 EPD-WA-66-050623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-66-050623 TO-15 SIM 67-66-3 CHLOROFORM 0.091 J 0.021 0.14 UG/M3 0.091 J EPD-WA-66-050623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.93 J 0.30 1.5 UG/M3 0.93 J EPD-WA-66-050623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-66-050623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.26 0.012 0.13 UG/M3 0.26 EPD-WA-66-050623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.016 0.20 UG/M3 0.12 J EPD-WA-66-050623 TO-15 SIM 75-71-8 FREON 12 2.4 0.026 0.36 UG/M3 2.4 EPD-WA-66-050623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.92 0.0077 0.25 UG/M3 0.92 EPD-WA-66-050623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-66-050623 TO-15 SIM 91-20-3 NAPHTHALENE 0.38 0.11 0.38 UG/M3 0.38 EPD-WA-66-050623 TO-15 SIM 95-47-6 O-XYLENE 0.45 0.011 0.13 UG/M3 0.45 EPD-WA-66-050623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.20 U 0.11 0.20 UG/M3 0.20 U EPD-WA-66-050623 TO-15 SIM 108-88-3 TOLUENE 1.5 0.014 0.28 UG/M3 1.5 EPD-WA-66-050623 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.58 U 0.013 0.58 UG/M3 0.58 U EPD-WA-66-050623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-66-050623 TO-15 SIM 75-01-4 VINYL CHLORIDE 3.2 0.011 0.037 UG/M3 3.2 Page 18 of 18 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 1860b Laboratory Report No. 2305171 Laboratory Eurofins Air Toxics, LLC, Folsom CA Analyses Volatile organic compounds (VOCs) by EPA Method TO-15 in scan anc selected ion monitoring (SIM) modes Samples and Matrix Nine air samples, including one field duplicate Collection Date(s) 05/07/2023 Field Duplicate Pairs EPD-WA-04-050723/EPD-WA-44-050723 Field QC Blanks None INTRODUCTION This checklist summarizes the Stage 2A validation performed on the subject laboratory report, in accordance with the U.S. Environmental Protection Agency (EPA) Guidance for Labeling Externally Validated Laboratory Analytical Data for Superfund Use (January 2009). Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), and the EPA National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). OVERALL EVALUATION No rejection of results was required for this data package. The results may be used as qualified based on the findings of this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) were not provided in the Level II laboratory report. The lab provided the RPDs separately. No qualifications were applied. TETRA TECH Page 1 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes Y The canister receipt vacuum/pressures values in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that the all values are negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums are recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures are recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes N TO-15 scan (2305171-10A): Carbon disulfide was detected in the method blank at a level between the method detection limit (MDL) and the reporting limit (RL). The carbon disulfide results in all samples were qualified as not detected (flagged U) at the RL. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y MS/MSDs: Within Criteria Exceedance/Notes NA H , TETRA TECH Page 2 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes Y LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factor for: • EPD-DW-H-050723 was 1.49. • EPD-UW-D-050723 was 1.63. • EPD-WA-01-050723 was 1.55. • EPD-WA-02-050723 was 1.51. • EPD-WA-03-050623 was 1.44. • EPD-WA-04-050723 was 1.45. • EPD-WA-05-050723 was 1.47. • EPD-WA-06-050723 was 1.49. • EPD-WA-44-050723 was 1.46. TETRA TECH Page 3 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA MDLs/RLs: Within Criteria Exceedance/Notes Y Detections between the MDL and RL were reported and qualified as estimated (flagged J) by the laboratory. Tentatively identified compounds: Within Criteria Exceedance/Notes Y Tentatively identified compounds (TICs) were detected in all samples. The known TICs were qualified as tentatively identified (flagged NJ). The unknown TICs were qualified as estimated (flagged J). 2-Ethyl-l-hexanol and butyl acrylate in all samples were reported as not detected and qualified as manually searched for, but not found in the sample (flagged U,NF). Other [None]: Within Criteria Exceedance/Notes NA TETRA TECH Page 4 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Overall Qualifications: See results summary pages attached for changes to the laboratory qualifiers based upon this validation. The following is a list of qualifiers and definitions that may be used for the validation of this data package: J The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample. J+ The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased high. J- The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased low. NF The tentatively identified compound was manually searched for but was not found in the sample. NJ The analysis indicates the presence of an analyte that has been "tentatively identified" and the associated value is the approximate concentration of the analyte in the sample. R The sample result is rejected as unusable due to serious deficiencies in one or more quality control criteria. The analyte may or may not be present in the sample. U The analyte was analyzed for but was not detected at or above the associated value (reporting limit). UJ The analyte was analyzed for but was not detected at or above the associated value (reporting limit), which is considered approximate due to deficiencies in one or more quality control criteria. TETRA TECH Page 5 of 5 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-H-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 0.73 5.5 UG/M3 5.5 U EPD-DW-H-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.73 U 0.18 0.73 UG/M3 0.73 U EPD-DW-H-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.90 U 0.19 0.90 UG/M3 0.90 U EPD-DW-H-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.69 U 0.24 0.69 UG/M3 0.69 U EPD-DW-H-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.23 0.73 UG/M3 0.73 U EPD-DW-H-050723 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.14 0.33 UG/M3 0.33 U EPD-DW-H-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.90 U 0.19 0.90 UG/M3 0.90 U EPD-DW-H-050723 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.29 0.54 UG/M3 0.54 U EPD-DW-H-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.49 3.5 UG/M3 3.5 U EPD-DW-H-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.49 2.2 UG/M3 2.2 U EPD-DW-H-050723 TO-15 591-78-6 2-HEXANONE 3.0 U 0.62 3.0 UG/M3 3.0 U EPD-DW-H-050723 TO-15 67-63-0 2-PROPANOL 7.3 U 0.39 7.3 UG/M3 7.3 U EPD-DW-H-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.51 2.3 UG/M3 2.3 U EPD-DW-H-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.17 0.73 UG/M3 0.73 U EPD-DW-H-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.13 0.61 UG/M3 0.61 U EPD-DW-H-050723 TO-15 67-64-1 ACETONE 5.7 J 1.0 7.1 UG/M3 5.7 J EPD-DW-H-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.40 0.77 UG/M3 0.77 U EPD-DW-H-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.21 1.0 UG/M3 1.0 U EPD-DW-H-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.35 1.5 UG/M3 1.5 U EPD-DW-H-050723 TO-15 74-83-9 BROMOMETHANE 29 U 2.2 29 UG/M3 29 U EPD-DW-H-050723 TO-15 75-15-0 CARBON DISULFIDE 0.95 J 0.30 2.3 UG/M3 2.3 U EPD-DW-H-050723 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.19 0.68 UG/M3 0.68 U EPD-DW-H-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.21 0.68 UG/M3 0.68 U EPD-DW-H-050723 TO-15 98-82-8 CUMENE 0.73 U 0.11 0.73 UG/M3 0.73 U EPD-DW-H-050723 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.27 2.6 UG/M3 2.6 U EPD-DW-H-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.26 1.3 UG/M3 1.3 u EPD-DW-H-050723 TO-15 64-17-5 ETHANOL 1.7 J 1.5 5.6 UG/M3 1.7 J EPD-DW-H-050723 TO-15 75-69-4 FREON 11 0.96 0.13 0.84 UG/M3 0.96 EPD-DW-H-050723 TO-15 76-13-1 FREON 113 0.41 J 0.14 1.1 UG/M3 0.41 J EPD-DW-H-050723 TO-15 142-82-5 HEPTANE 3.0 u 0.62 3.0 UG/M3 3.0 u EPD-DW-H-050723 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 u 0.67 7.9 UG/M3 7.9 u EPD-DW-H-050723 TO-15 110-54-3 HEXANE 2.6 u 0.44 2.6 UG/M3 2.6 u EPD-DW-H-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 u 0.39 1.0 UG/M3 1.0 u EPD-DW-H-050723 TO-15 103-65-1 PROPYLBENZENE 0.73 u 0.27 0.73 UG/M3 0.73 u Page 1 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-H-050723 TO-15 100-42-5 STYRENE 0.63 U 0.12 0.63 UG/M3 0.63 U EPD-DW-H-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 1.4 2.2 UG/M3 2.2 U EPD-DW-H-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-DW-H-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-DW-H-050723 TO-15 106-97-8 BUTANE 1.3 NJ PPBV 1.3 NJ EPD-DW-H-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 1.4 NJ PPBV 1.4 NJ EPD-DW-H-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-DW-H-050723 TO-15 124-19-6 NONANAL 1.2 NJ PPBV 1.2 NJ EPD-DW-H-050723 TO-15 109-66-0 PENTANE 0.780 NJ PPBV 0.78 NJ EPD-DW-H-050723 TO-15 NA UNKNOWN TIC 1.5 J PPBV 1.5 J EPD-DW-H-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-DW-H-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.20 U 0.034 0.20 UG/M3 0.20 U EPD-DW-H-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.032 0.16 UG/M3 0.16 U EPD-DW-H-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-DW-H-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.030 0.059 UG/M3 0.059 U EPD-DW-H-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.051 0.23 UG/M3 0.23 U EPD-DW-H-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.071 J 0.023 0.12 UG/M3 0.071 J EPD-DW-H-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.098 0.18 UG/M3 0.18 U EPD-DW-H-050723 TO-15 SIM 71-43-2 BENZENE 0.63 0.046 0.24 UG/M3 0.63 EPD-DW-H-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.35 0.035 0.19 UG/M3 0.35 EPD-DW-H-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.12 0.20 UG/M3 0.20 U EPD-DW-H-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.076 J 0.023 0.14 UG/M3 0.076 J EPD-DW-H-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.15 1.5 UG/M3 0.76 J EPD-DW-H-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.025 0.12 UG/M3 0.12 U EPD-DW-H-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.0092 0.13 UG/M3 0.11 J EPD-DW-H-050723 TO-15 SIM 76-14-2 FREON 114 0.091 J 0.029 0.21 UG/M3 0.091 J EPD-DW-H-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.021 0.37 UG/M3 1.7 EPD-DW-H-050723 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 0.019 0.26 UG/M3 0.31 EPD-DW-H-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.020 0.54 UG/M3 0.54 U EPD-DW-H-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.11 J 0.073 0.39 UG/M3 0.11 J EPD-DW-H-050723 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.016 0.13 UG/M3 0.13 EPD-DW-H-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.071 J 0.0078 0.20 UG/M3 0.071 J EPD-DW-H-050723 TO-15 SIM 108-88-3 TOLUENE 0.78 0.019 0.28 UG/M3 0.78 EPD-DW-H-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.59 U 0.018 0.59 UG/M3 0.59 U Page 2 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-H-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-DW-H-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.30 0.027 0.038 UG/M3 0.30 EPD-UW-D-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.0 U 0.80 6.0 UG/M3 6.0 U EPD-UW-D-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.80 U 0.19 0.80 UG/M3 0.80 U EPD-UW-D-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.98 U 0.21 0.98 UG/M3 0.98 U EPD-UW-D-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.75 U 0.26 0.75 UG/M3 0.75 U EPD-UW-D-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.80 U 0.25 0.80 UG/M3 0.80 U EPD-UW-D-050723 TO-15 106-99-0 1,3-BUTADIENE 0.36 U 0.15 0.36 UG/M3 0.36 U EPD-UW-D-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.98 U 0.20 0.98 UG/M3 0.98 U EPD-UW-D-050723 TO-15 123-91-1 1,4-DIOXANE 0.59 U 0.32 0.59 UG/M3 0.59 U EPD-UW-D-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.8 U 0.54 3.8 UG/M3 3.8 U EPD-UW-D-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.4 U 0.54 2.4 UG/M3 2.4 U EPD-UW-D-050723 TO-15 591-78-6 2-HEXANONE 3.3 U 0.68 3.3 UG/M3 3.3 U EPD-UW-D-050723 TO-15 67-63-0 2-PROPANOL 8.0 U 0.43 8.0 UG/M3 8.0 U EPD-UW-D-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.6 U 0.56 2.6 UG/M3 2.6 U EPD-UW-D-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.80 U 0.19 0.80 UG/M3 0.80 U EPD-UW-D-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-UW-D-050723 TO-15 67-64-1 ACETONE 4.5 J 1.1 7.7 UG/M3 4.5 J EPD-UW-D-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.84 U 0.44 0.84 UG/M3 0.84 U EPD-UW-D-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 1.1 U 0.23 1.1 UG/M3 1.1 U EPD-UW-D-050723 TO-15 75-25-2 BROMOFORM 1.7 U 0.38 1.7 UG/M3 1.7 U EPD-UW-D-050723 TO-15 74-83-9 BROMOMETHANE 32 U 2.4 32 UG/M3 32 U EPD-UW-D-050723 TO-15 75-15-0 CARBON DISULFIDE 0.58 J 0.33 2.5 UG/M3 2.5 U EPD-UW-D-050723 TO-15 108-90-7 CHLOROBENZENE 0.75 U 0.21 0.75 UG/M3 0.75 U EPD-UW-D-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.74 U 0.22 0.74 UG/M3 0.74 U EPD-UW-D-050723 TO-15 98-82-8 CUMENE 0.80 U 0.12 0.80 UG/M3 0.80 U EPD-UW-D-050723 TO-15 110-82-7 CYCLOHEXANE 2.8 U 0.29 2.8 UG/M3 2.8 U EPD-UW-D-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.4 U 0.28 1.4 UG/M3 1.4 U EPD-UW-D-050723 TO-15 64-17-5 ETHANOL 2.0 J 1.6 6.1 UG/M3 2.0 J EPD-UW-D-050723 TO-15 75-69-4 FREON 11 0.98 0.14 0.92 UG/M3 0.98 EPD-UW-D-050723 TO-15 76-13-1 FREON 113 0.43 J 0.16 1.2 UG/M3 0.43 J EPD-UW-D-050723 TO-15 142-82-5 HEPTANE 3.3 U 0.68 3.3 UG/M3 3.3 u EPD-UW-D-050723 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.7 u 0.73 8.7 UG/M3 8.7 u EPD-UW-D-050723 TO-15 110-54-3 HEXANE 2.9 u 0.48 2.9 UG/M3 2.9 u Page 3 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-D-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.1 U 0.43 1.1 UG/M3 1.1 U EPD-UW-D-050723 TO-15 103-65-1 PROPYLBENZENE 0.80 U 0.29 0.80 UG/M3 0.80 U EPD-UW-D-050723 TO-15 100-42-5 STYRENE 0.69 U 0.13 0.69 UG/M3 0.69 U EPD-UW-D-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.4 U 1.5 2.4 UG/M3 2.4 U EPD-UW-D-050723 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.74 U 0.20 0.74 UG/M3 0.74 U EPD-UW-D-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-UW-D-050723 TO-15 106-97-8 BUTANE 1.5 NJ PPBV 1.5 NJ EPD-UW-D-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 1.9 NJ PPBV 1.9 NJ EPD-UW-D-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-UW-D-050723 TO-15 109-66-0 PENTANE 1.3 NJ PPBV 1.3 NJ EPD-UW-D-050723 TO-15 NA UNKNOWN TIC 1.1 J PPBV 1.1 J EPD-UW-D-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.18 U 0.024 0.18 UG/M3 0.18 U EPD-UW-D-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.22 U 0.038 0.22 UG/M3 0.22 U EPD-UW-D-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.18 U 0.036 0.18 UG/M3 0.18 U EPD-UW-D-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.13 U 0.016 0.13 UG/M3 0.13 U EPD-UW-D-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.065 U 0.033 0.065 UG/M3 0.065 U EPD-UW-D-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.25 U 0.056 0.25 UG/M3 0.25 U EPD-UW-D-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.067 J 0.026 0.13 UG/M3 0.067 J EPD-UW-D-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.20 U 0.11 0.20 UG/M3 0.20 U EPD-UW-D-050723 TO-15 SIM 71-43-2 BENZENE 0.71 0.050 0.26 UG/M3 0.71 EPD-UW-D-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.33 0.038 0.20 UG/M3 0.33 EPD-UW-D-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.22 U 0.13 0.22 UG/M3 0.22 U EPD-UW-D-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.064 J 0.025 0.16 UG/M3 0.064 J EPD-UW-D-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.74 J 0.16 1.7 UG/M3 0.74 J EPD-UW-D-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.13 U 0.028 0.13 UG/M3 0.13 U EPD-UW-D-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.10 J 0.010 0.14 UG/M3 0.10 J EPD-UW-D-050723 TO-15 SIM 76-14-2 FREON 114 0.088 J 0.032 0.23 UG/M3 0.088 J EPD-UW-D-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.023 0.40 UG/M3 1.7 EPD-UW-D-050723 TO-15 SIM 179601-23-1 M,P-XYLENE 0.34 0.020 0.28 UG/M3 0.34 EPD-UW-D-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.59 U 0.022 0.59 UG/M3 0.59 U EPD-UW-D-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.098 J 0.080 0.43 UG/M3 0.098 J EPD-UW-D-050723 TO-15 SIM 95-47-6 O-XYLENE 0.14 0.017 0.14 UG/M3 0.14 EPD-UW-D-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.051 J 0.0085 0.22 UG/M3 0.051 J EPD-UW-D-050723 TO-15 SIM 108-88-3 TOLUENE 0.93 0.020 0.31 UG/M3 0.93 Page 4 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-D-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.65 U 0.020 0.65 UG/M3 0.65 U EPD-UW-D-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.18 U 0.016 0.18 UG/M3 0.18 U EPD-UW-D-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 1.2 0.030 0.042 UG/M3 1.2 EPD-WA-01-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.8 U 0.76 5.8 UG/M3 5.8 U EPD-WA-01-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.76 U 0.18 0.76 UG/M3 0.76 U EPD-WA-01-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.93 U 0.20 0.93 UG/M3 0.93 U EPD-WA-01-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.72 U 0.25 0.72 UG/M3 0.72 U EPD-WA-01-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.76 U 0.24 0.76 UG/M3 0.76 U EPD-WA-01-050723 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.14 0.34 UG/M3 0.34 U EPD-WA-01-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.93 U 0.19 0.93 UG/M3 0.93 U EPD-WA-01-050723 TO-15 123-91-1 1,4-DIOXANE 0.56 U 0.30 0.56 UG/M3 0.56 U EPD-WA-01-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.6 U 0.51 3.6 UG/M3 3.6 U EPD-WA-01-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.3 U 0.51 2.3 UG/M3 2.3 U EPD-WA-01-050723 TO-15 591-78-6 2-HEXANONE 3.2 U 0.64 3.2 UG/M3 3.2 U EPD-WA-01-050723 TO-15 67-63-0 2-PROPANOL 0.71 J 0.41 7.6 UG/M3 0.71 J EPD-WA-01-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.53 2.4 UG/M3 2.4 U EPD-WA-01-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.76 U 0.18 0.76 UG/M3 0.76 U EPD-WA-01-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.63 U 0.13 0.63 UG/M3 0.63 U EPD-WA-01-050723 TO-15 67-64-1 ACETONE 8.5 1.0 7.4 UG/M3 8.5 EPD-WA-01-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.80 U 0.42 0.80 UG/M3 0.80 U EPD-WA-01-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.22 1.0 UG/M3 1.0 U EPD-WA-01-050723 TO-15 75-25-2 BROMOFORM 1.6 U 0.36 1.6 UG/M3 1.6 U EPD-WA-01-050723 TO-15 74-83-9 BROMOMETHANE 30 U 2.3 30 UG/M3 30 U EPD-WA-01-050723 TO-15 75-15-0 CARBON DISULFIDE 0.60 J 0.32 2.4 UG/M3 2.4 U EPD-WA-01-050723 TO-15 108-90-7 CHLOROBENZENE 0.71 U 0.20 0.71 UG/M3 0.71 U EPD-WA-01-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.70 U 0.21 0.70 UG/M3 0.70 U EPD-WA-01-050723 TO-15 98-82-8 CUMENE 0.76 U 0.11 0.76 UG/M3 0.76 U EPD-WA-01-050723 TO-15 110-82-7 CYCLOHEXANE 0.32 J 0.28 2.7 UG/M3 0.32 J EPD-WA-01-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.27 1.3 UG/M3 1.3 U EPD-WA-01-050723 TO-15 64-17-5 ETHANOL 5.3 J 1.6 5.8 UG/M3 5.3 J EPD-WA-01-050723 TO-15 75-69-4 FREON 11 0.94 0.13 0.87 UG/M3 0.94 EPD-WA-01-050723 TO-15 76-13-1 FREON 113 0.39 J 0.15 1.2 UG/M3 0.39 J EPD-WA-01-050723 TO-15 142-82-5 HEPTANE 3.2 U 0.64 3.2 UG/M3 3.2 U EPD-WA-01-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.3 U 0.69 8.3 UG/M3 8.3 u Page 5 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050723 TO-15 110-54-3 HEXANE 2.7 U 0.45 2.7 UG/M3 2.7 U EPD-WA-01-050723 TO-15 75-09-2 METHYLENE CHLORIDE 0.46 J 0.41 1.1 UG/M3 0.46 J EPD-WA-01-050723 TO-15 103-65-1 PROPYLBENZENE 0.76 U 0.28 0.76 UG/M3 0.76 U EPD-WA-01-050723 TO-15 100-42-5 STYRENE 0.66 U 0.12 0.66 UG/M3 0.66 U EPD-WA-01-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.3 U 1.5 2.3 UG/M3 2.3 U EPD-WA-01-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.70 U 0.19 0.70 UG/M3 0.70 U EPD-WA-01-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-01-050723 TO-15 106-97-8 BUTANE 1.3 NJ PPBV 1.3 NJ EPD-WA-01-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 1.4 NJ PPBV 1.4 NJ EPD-WA-01-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-01-050723 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 6.9 NJ PPBV 6.9 NJ EPD-WA-01-050723 TO-15 141-78-6 ETHYLACETATE 3.8 NJ PPBV 3.8 NJ EPD-WA-01-050723 TO-15 109-66-0 PENTANE 1.6 NJ PPBV 1.6 NJ EPD-WA-01-050723 TO-15 NA UNKNOWN TIC 0.79 J PPBV 0.79 J EPD-WA-01-050723 TO-15 NA UNKNOWN TIC 1.2 J PPBV 1.2 J EPD-WA-01-050723 TO-15 NA UNKNOWN TIC 1.3 J PPBV 1.3 J EPD-WA-01-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.023 0.17 UG/M3 0.17 U EPD-WA-01-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.036 0.21 UG/M3 0.21 U EPD-WA-01-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.034 0.17 UG/M3 0.17 U EPD-WA-01-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.016 0.12 UG/M3 0.12 U EPD-WA-01-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.031 0.061 UG/M3 0.061 U EPD-WA-01-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.053 0.24 UG/M3 0.24 U EPD-WA-01-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.077 J 0.024 0.12 UG/M3 0.077 J EPD-WA-01-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.10 0.19 UG/M3 0.19 U EPD-WA-01-050723 TO-15 SIM 71-43-2 BENZENE 0.57 0.048 0.25 UG/M3 0.57 EPD-WA-01-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.35 0.036 0.20 UG/M3 0.35 EPD-WA-01-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.12 0.20 UG/M3 0.20 U EPD-WA-01-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.062 J 0.024 0.15 UG/M3 0.062 J EPD-WA-01-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.16 1.6 UG/M3 0.73 J EPD-WA-01-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.026 0.12 UG/M3 0.12 U EPD-WA-01-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.095 J 0.0096 0.13 UG/M3 0.095 J EPD-WA-01-050723 TO-15 SIM 76-14-2 FREON 114 0.092 J 0.031 0.22 UG/M3 0.092 J EPD-WA-01-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.022 0.38 UG/M3 1.7 EPD-WA-01-050723 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 0.020 0.27 UG/M3 0.31 Page 6 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.56 U 0.021 0.56 UG/M3 0.56 U EPD-WA-01-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.41 U 0.076 0.41 UG/M3 0.41 U EPD-WA-01-050723 TO-15 SIM 95-47-6 O-XYLENE 0.12 J 0.016 0.13 UG/M3 0.12 J EPD-WA-01-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.41 0.0081 0.21 UG/M3 0.41 EPD-WA-01-050723 TO-15 SIM 108-88-3 TOLUENE 1.2 0.019 0.29 UG/M3 1.2 EPD-WA-01-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.61 U 0.019 0.61 UG/M3 0.61 U EPD-WA-01-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.17 U 0.015 0.17 UG/M3 0.17 U EPD-WA-01-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.15 0.028 0.040 UG/M3 0.15 EPD-WA-02-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 0.74 5.6 UG/M3 5.6 U EPD-WA-02-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.21 J 0.18 0.74 UG/M3 0.21 J EPD-WA-02-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.20 0.91 UG/M3 0.91 U EPD-WA-02-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.70 U 0.24 0.7 UG/M3 0.70 U EPD-WA-02-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.23 0.74 UG/M3 0.74 U EPD-WA-02-050723 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.14 0.33 UG/M3 0.33 U EPD-WA-02-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.19 0.91 UG/M3 0.91 U EPD-WA-02-050723 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.30 0.54 UG/M3 0.54 U EPD-WA-02-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.50 3.5 UG/M3 3.5 U EPD-WA-02-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.50 2.2 UG/M3 2.2 U EPD-WA-02-050723 TO-15 591-78-6 2-HEXANONE 3.1 U 0.63 3.1 UG/M3 3.1 U EPD-WA-02-050723 TO-15 67-63-0 2-PROPANOL 7.4 U 0.40 7.4 UG/M3 7.4 U EPD-WA-02-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.51 2.4 UG/M3 2.4 U EPD-WA-02-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.74 U 0.18 0.74 UG/M3 0.74 U EPD-WA-02-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.13 0.62 UG/M3 0.62 U EPD-WA-02-050723 TO-15 67-64-1 ACETONE 5.2 J 1.0 7.2 UG/M3 5.2 J EPD-WA-02-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.41 0.78 UG/M3 0.78 U EPD-WA-02-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.22 1.0 UG/M3 1.0 U EPD-WA-02-050723 TO-15 75-25-2 BROMOFORM 1.6 U 0.36 1.6 UG/M3 1.6 U EPD-WA-02-050723 TO-15 74-83-9 BROMOMETHANE 29 U 2.3 29 UG/M3 29 U EPD-WA-02-050723 TO-15 75-15-0 CARBON DISULFIDE 0.45 J 0.31 2.4 UG/M3 2.4 U EPD-WA-02-050723 TO-15 108-90-7 CHLOROBENZENE 0.70 U 0.20 0.70 UG/M3 0.70 U EPD-WA-02-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.21 0.68 UG/M3 0.68 U EPD-WA-02-050723 TO-15 98-82-8 CUMENE 0.74 U 0.11 0.74 UG/M3 0.74 u EPD-WA-02-050723 TO-15 110-82-7 CYCLOHEXANE 2.6 u 0.27 2.6 UG/M3 2.6 u EPD-WA-02-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 u 0.26 1.3 UG/M3 1.3 u Page 7 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050723 TO-15 64-17-5 ETHANOL 2.4 J 1.5 5.7 UG/M3 2.4 J EPD-WA-02-050723 TO-15 75-69-4 FREON 11 1.0 0.13 0.85 UG/M3 1.0 EPD-WA-02-050723 TO-15 76-13-1 FREON 113 0.42 J 0.14 1.2 UG/M3 0.42 J EPD-WA-02-050723 TO-15 142-82-5 HEPTANE 3.1 U 0.62 3.1 UG/M3 3.1 U EPD-WA-02-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.0 U 0.68 8.0 UG/M3 8.0 U EPD-WA-02-050723 TO-15 110-54-3 HEXANE 2.7 U 0.44 2.7 UG/M3 2.7 U EPD-WA-02-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.40 1.0 UG/M3 1.0 U EPD-WA-02-050723 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.27 0.74 UG/M3 0.74 U EPD-WA-02-050723 TO-15 100-42-5 STYRENE 0.64 U 0.12 0.64 UG/M3 0.64 U EPD-WA-02-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 1.4 2.2 UG/M3 2.2 U EPD-WA-02-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-WA-02-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-02-050723 TO-15 106-97-8 BUTANE 1.6 NJ PPBV 1.6 NJ EPD-WA-02-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 2.2 NJ PPBV 2.2 NJ EPD-WA-02-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-02-050723 TO-15 109-66-0 PENTANE 1.4 NJ PPBV 1.4 NJ EPD-WA-02-050723 TO-15 111864-21-2 PROPANOIC ACID, 2-METHYL-, TERT-BUTYLDIM 0.90 NJ PPBV 0.90 NJ EPD-WA-02-050723 TO-15 NA UNKNOWN TIC 0.82 J PPBV 0.82 J EPD-WA-02-050723 TO-15 NA UNKNOWN TIC 1.3 J PPBV 1.3 J EPD-WA-02-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-02-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.035 0.21 UG/M3 0.21 U EPD-WA-02-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.033 0.16 UG/M3 0.16 U EPD-WA-02-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-WA-02-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.060 U 0.030 0.06 UG/M3 0.060 U EPD-WA-02-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.052 0.23 UG/M3 0.23 U EPD-WA-02-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.069 J 0.024 0.12 UG/M3 0.069 J EPD-WA-02-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.099 0.18 UG/M3 0.18 U EPD-WA-02-050723 TO-15 SIM 71-43-2 BENZENE 0.76 0.047 0.24 UG/M3 0.76 EPD-WA-02-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.34 0.035 0.19 UG/M3 0.34 EPD-WA-02-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.12 0.20 UG/M3 0.20 U EPD-WA-02-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.058 J 0.023 0.15 UG/M3 0.058 J EPD-WA-02-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.70 J 0.15 1.6 UG/M3 0.70 J EPD-WA-02-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.026 0.12 UG/M3 0.12 U EPD-WA-02-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.16 0.0093 0.13 UG/M3 0.16 Page 8 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050723 TO-15 SIM 76-14-2 FREON 114 0.080 J 0.030 0.21 UG/M3 0.080 J EPD-WA-02-050723 TO-15 SIM 75-71-8 FREON 12 1.6 0.021 0.37 UG/M3 1.6 EPD-WA-02-050723 TO-15 SIM 179601-23-1 M,P-XYLENE 0.55 0.019 0.26 UG/M3 0.55 EPD-WA-02-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.020 0.54 UG/M3 0.54 U EPD-WA-02-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.086 J 0.074 0.40 UG/M3 0.086 J EPD-WA-02-050723 TO-15 SIM 95-47-6 O-XYLENE 0.22 0.016 0.13 UG/M3 0.22 EPD-WA-02-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.084 J 0.0079 0.20 UG/M3 0.084 J EPD-WA-02-050723 TO-15 SIM 108-88-3 TOLUENE 1.3 0.019 0.28 UG/M3 1.3 EPD-WA-02-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.60 U 0.018 0.60 UG/M3 0.60 U EPD-WA-02-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-02-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.71 0.028 0.038 UG/M3 0.71 EPD-WA-03-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.70 5.3 UG/M3 5.3 U EPD-WA-03-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.71 U 0.17 0.71 UG/M3 0.71 U EPD-WA-03-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.190 0.86 UG/M3 0.86 U EPD-WA-03-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.23 0.66 UG/M3 0.66 U EPD-WA-03-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.71 U 0.22 0.71 UG/M3 0.71 U EPD-WA-03-050723 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.13 0.32 UG/M3 0.32 U EPD-WA-03-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.18 0.86 UG/M3 0.86 U EPD-WA-03-050723 TO-15 123-91-1 1,4-DIOXANE 0.52 U 0.28 0.52 UG/M3 0.52 U EPD-WA-03-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.48 3.4 UG/M3 3.4 U EPD-WA-03-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.73 J 0.48 2.1 UG/M3 0.73 J EPD-WA-03-050723 TO-15 591-78-6 2-HEXANONE 2.9 U 0.60 2.9 UG/M3 2.9 U EPD-WA-03-050723 TO-15 67-63-0 2-PROPANOL 7.1 U 0.38 7.1 UG/M3 7.1 U EPD-WA-03-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.49 2.2 UG/M3 2.2 U EPD-WA-03-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.71 U 0.17 0.71 UG/M3 0.71 U EPD-WA-03-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.21 J 0.12 0.59 UG/M3 0.21 J EPD-WA-03-050723 TO-15 67-64-1 ACETONE 6.6 J 0.97 6.8 UG/M3 6.6 J EPD-WA-03-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.39 0.74 UG/M3 0.74 U EPD-WA-03-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 0.96 U 0.20 0.96 UG/M3 0.96 U EPD-WA-03-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.34 1.5 UG/M3 1.5 U EPD-WA-03-050723 TO-15 74-83-9 BROMOMETHANE 28 U 2.2 28 UG/M3 28 U EPD-WA-03-050723 TO-15 75-15-0 CARBON DISULFIDE 1.0 J 0.29 2.2 UG/M3 2.2 U EPD-WA-03-050723 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.19 0.66 UG/M3 0.66 U EPD-WA-03-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.20 0.65 UG/M3 0.65 U Page 9 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050723 TO-15 98-82-8 CUMENE 0.71 U 0.11 0.71 UG/M3 0.71 U EPD-WA-03-050723 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.26 2.5 UG/M3 2.5 U EPD-WA-03-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.25 1.2 UG/M3 1.2 U EPD-WA-03-050723 TO-15 64-17-5 ETHANOL 1.9 J 1.4 5.4 UG/M3 1.9 J EPD-WA-03-050723 TO-15 75-69-4 FREON 11 0.97 0.12 0.81 UG/M3 0.97 EPD-WA-03-050723 TO-15 76-13-1 FREON 113 0.40 J 0.14 1.1 UG/M3 0.40 J EPD-WA-03-050723 TO-15 142-82-5 HEPTANE 3.0 U 0.60 3.0 UG/M3 3.0 U EPD-WA-03-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.7 U 0.64 7.7 UG/M3 7.7 U EPD-WA-03-050723 TO-15 110-54-3 HEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-03-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.38 1.0 UG/M3 1.0 U EPD-WA-03-050723 TO-15 103-65-1 PROPYLBENZENE 0.71 U 0.26 0.71 UG/M3 0.71 U EPD-WA-03-050723 TO-15 100-42-5 STYRENE 0.61 U 0.11 0.61 UG/M3 0.61 U EPD-WA-03-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 1.4 2.1 UG/M3 2.1 U EPD-WA-03-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.65 U 0.17 0.65 UG/M3 0.65 U EPD-WA-03-050723 TO-15 693-54-9 2-DECANONE 0.80 NJ PPBV 0.80 NJ EPD-WA-03-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-03-050723 TO-15 103-11-7 2-ETHYLHEXYL ACRYLATE 2.2 NJ PPBV 2.2 NJ EPD-WA-03-050723 TO-15 821-96-5 2-UNDECENE, (Z)- 0.90 NJ PPBV 0.90 NJ EPD-WA-03-050723 TO-15 123-72-8 BUTANAL 0.97 NJ PPBV 0.97 NJ EPD-WA-03-050723 TO-15 106-97-8 BUTANE 1.2 NJ PPBV 1.2 NJ EPD-WA-03-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 1.1 NJ PPBV 1.1 NJ EPD-WA-03-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-03-050723 TO-15 66-25-1 HEXANAL 0.80 NJ PPBV 0.80 NJ EPD-WA-03-050723 TO-15 124-19-6 NONANAL 1.3 NJ PPBV 1.3 NJ EPD-WA-03-050723 TO-15 124-13-0 OCTANAL 0.98 NJ PPBV 0.98 NJ EPD-WA-03-050723 TO-15 NA UNKNOWN TIC 1.8 J PPBV 1.8 J EPD-WA-03-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-03-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.033 0.20 UG/M3 0.20 U EPD-WA-03-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.031 0.16 UG/M3 0.16 U EPD-WA-03-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.014 0.12 UG/M3 0.12 U EPD-WA-03-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.029 0.057 UG/M3 0.057 U EPD-WA-03-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.049 0.22 UG/M3 0.22 U EPD-WA-03-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.070 J 0.023 0.12 UG/M3 0.070 J EPD-WA-03-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.094 0.17 UG/M3 0.17 U Page 10 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050723 TO-15 SIM 71-43-2 BENZENE 0.55 0.044 0.23 UG/M3 0.55 EPD-WA-03-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.37 0.034 0.18 UG/M3 0.37 EPD-WA-03-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.12 0.19 UG/M3 0.19 U EPD-WA-03-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.068 J 0.022 0.14 UG/M3 0.068 J EPD-WA-03-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.78 J 0.14 1.5 UG/M3 0.78 J EPD-WA-03-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.024 0.11 UG/M3 0.11 U EPD-WA-03-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.078 J 0.0089 0.12 UG/M3 0.078 J EPD-WA-03-050723 TO-15 SIM 76-14-2 FREON 114 0.088 J 0.028 0.20 UG/M3 0.088 J EPD-WA-03-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.020 0.36 UG/M3 1.7 EPD-WA-03-050723 TO-15 SIM 179601-23- -1 M,P-XYLENE 0.24 J 0.018 0.25 UG/M3 0.24 J EPD-WA-03-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.019 0.52 UG/M3 0.52 U EPD-WA-03-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.070 0.38 UG/M3 0.16 J EPD-WA-03-050723 TO-15 SIM 95-47-6 O-XYLENE 0.092 J 0.015 0.12 UG/M3 0.092 J EPD-WA-03-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.047 J 0.0075 0.20 UG/M3 0.047 J EPD-WA-03-050723 TO-15 SIM 108-88-3 TOLUENE 0.68 0.018 0.27 UG/M3 0.68 EPD-WA-03-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.57 U 0.017 0.57 UG/M3 0.57 U EPD-WA-03-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.021 J 0.014 0.15 UG/M3 0.021 J EPD-WA-03-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 2.1 0.026 0.037 UG/M3 2.1 EPD-WA-04-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 0.71 5.4 UG/M3 5.4 U EPD-WA-04-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.71 U 0.17 0.71 UG/M3 0.71 U EPD-WA-04-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.87 U 0.19 0.87 UG/M3 0.87 U EPD-WA-04-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.23 0.67 UG/M3 0.67 U EPD-WA-04-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.71 U 0.22 0.71 UG/M3 0.71 U EPD-WA-04-050723 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.13 0.32 UG/M3 0.32 U EPD-WA-04-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.87 U 0.18 0.87 UG/M3 0.87 U EPD-WA-04-050723 TO-15 123-91-1 1,4-DIOXANE 0.52 U 0.28 0.52 UG/M3 0.52 U EPD-WA-04-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.48 3.4 UG/M3 3.4 U EPD-WA-04-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.0 J 0.48 2.1 UG/M3 1.0 J EPD-WA-04-050723 TO-15 591-78-6 2-HEXANONE 3.0 U 0.60 3.0 UG/M3 3.0 U EPD-WA-04-050723 TO-15 67-63-0 2-PROPANOL 0.84 J 0.38 7.1 UG/M3 0.84 J EPD-WA-04-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.49 2.3 UG/M3 2.3 U EPD-WA-04-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.71 U 0.17 0.71 UG/M3 0.71 U EPD-WA-04-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.59 U 0.12 0.59 UG/M3 0.59 U EPD-WA-04-050723 TO-15 67-64-1 ACETONE 10 0.97 6.9 UG/M3 10 Page 11 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.75 U 0.39 0.75 UG/M3 0.75 U EPD-WA-04-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 0.97 U 0.21 0.97 UG/M3 0.97 U EPD-WA-04-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.34 1.5 UG/M3 1.5 U EPD-WA-04-050723 TO-15 74-83-9 BROMOMETHANE 28 U 2.2 28 UG/M3 28 U EPD-WA-04-050723 TO-15 75-15-0 CARBON DISULFIDE 0.60 J 0.30 2.2 UG/M3 2.2 U EPD-WA-04-050723 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.19 0.67 UG/M3 0.67 U EPD-WA-04-050723 TO-15 10061-01 -5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.20 0.66 UG/M3 0.66 U EPD-WA-04-050723 TO-15 98-82-8 CUMENE 0.71 U 0.11 0.71 UG/M3 0.71 U EPD-WA-04-050723 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.26 2.5 UG/M3 2.5 U EPD-WA-04-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.25 1.2 UG/M3 1.2 U EPD-WA-04-050723 TO-15 64-17-5 ETHANOL 4.1 J 1.5 5.5 UG/M3 4.1 J EPD-WA-04-050723 TO-15 75-69-4 FREON 11 0.92 0.12 0.81 UG/M3 0.92 EPD-WA-04-050723 TO-15 76-13-1 FREON 113 0.42 J 0.14 1.1 UG/M3 0.42 J EPD-WA-04-050723 TO-15 142-82-5 HEPTANE 3.0 U 0.60 3.0 UG/M3 3.0 U EPD-WA-04-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.7 U 0.65 7.7 UG/M3 7.7 U EPD-WA-04-050723 TO-15 110-54-3 HEXANE 2.6 U 0.42 2.6 UG/M3 2.6 U EPD-WA-04-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.38 1.0 UG/M3 1.0 U EPD-WA-04-050723 TO-15 103-65-1 PROPYLBENZENE 0.71 U 0.26 0.71 UG/M3 0.71 U EPD-WA-04-050723 TO-15 100-42-5 STYRENE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-WA-04-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 1.4 2.1 UG/M3 2.1 U EPD-WA-04-050723 TO-15 10061-02 -6 TRANS-1,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-04-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-04-050723 TO-15 123-72-8 BUTANAL 1.0 NJ PPBV 1.0 NJ EPD-WA-04-050723 TO-15 106-97-8 BUTANE 0.91 NJ PPBV 0.91 NJ EPD-WA-04-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 0.86 NJ PPBV 0.86 NJ EPD-WA-04-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-04-050723 TO-15 NA UNKNOWN TIC 0.79 J PPBV 0.79 J EPD-WA-04-050723 TO-15 NA UNKNOWN TIC 1.6 J PPBV 1.6 J EPD-WA-04-050723 TO-15 NA UNKNOWN TIC 2.2 J PPBV 2.2 J EPD-WA-04-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-04-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.033 0.20 UG/M3 0.20 U EPD-WA-04-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.032 0.16 UG/M3 0.16 U EPD-WA-04-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.014 0.12 UG/M3 0.12 U EPD-WA-04-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.029 0.057 UG/M3 0.057 U Page 12 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.050 0.22 UG/M3 0.22 U EPD-WA-04-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.069 J 0.023 0.12 UG/M3 0.069 J EPD-WA-04-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.095 0.17 UG/M3 0.17 U EPD-WA-04-050723 TO-15 SIM 71-43-2 BENZENE 0.54 0.045 0.23 UG/M3 0.54 EPD-WA-04-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.36 0.034 0.18 UG/M3 0.36 EPD-WA-04-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.12 0.19 UG/M3 0.19 U EPD-WA-04-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.063 J 0.022 0.14 UG/M3 0.063 J EPD-WA-04-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.15 1.5 UG/M3 0.73 J EPD-WA-04-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.025 0.11 UG/M3 0.11 U EPD-WA-04-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.072 J 0.0089 0.12 UG/M3 0.072 J EPD-WA-04-050723 TO-15 SIM 76-14-2 FREON 114 0.087 J 0.029 0.20 UG/M3 0.087 J EPD-WA-04-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.020 0.36 UG/M3 1.7 EPD-WA-04-050723 TO-15 SIM 179601-23-1 M,P-XYLENE 0.21 J 0.018 0.25 UG/M3 0.21 J EPD-WA-04-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.019 0.52 UG/M3 0.52 U EPD-WA-04-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.38 U 0.071 0.38 UG/M3 0.38 U EPD-WA-04-050723 TO-15 SIM 95-47-6 O-XYLENE 0.080 J 0.015 0.12 UG/M3 0.080 J EPD-WA-04-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.044 J 0.0076 0.20 UG/M3 0.044 J EPD-WA-04-050723 TO-15 SIM 108-88-3 TOLUENE 0.72 0.018 0.27 UG/M3 0.72 EPD-WA-04-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.57 U 0.018 0.57 UG/M3 0.57 U EPD-WA-04-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-04-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.042 0.027 0.037 UG/M3 0.042 EPD-WA-05-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 0.72 5.4 UG/M3 5.4 U EPD-WA-05-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-05-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.19 0.88 UG/M3 0.88 U EPD-WA-05-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.24 0.68 UG/M3 0.68 U EPD-WA-05-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.22 0.72 UG/M3 0.72 U EPD-WA-05-050723 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.13 0.32 UG/M3 0.32 U EPD-WA-05-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.18 0.88 UG/M3 0.88 U EPD-WA-05-050723 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.29 0.53 UG/M3 0.53 U EPD-WA-05-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.49 3.4 UG/M3 3.4 U EPD-WA-05-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.49 2.2 UG/M3 2.2 U EPD-WA-05-050723 TO-15 591-78-6 2-HEXANONE 3.0 U 0.61 3.0 UG/M3 3.0 U EPD-WA-05-050723 TO-15 67-63-0 2-PROPANOL 7.2 U 0.39 7.2 UG/M3 7.2 U EPD-WA-05-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.50 2.3 UG/M3 2.3 U Page 13 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-05-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.60 U 0.13 0.60 UG/M3 0.60 U EPD-WA-05-050723 TO-15 67-64-1 ACETONE 5.9 J 0.99 7.0 UG/M3 5.9 J EPD-WA-05-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.40 0.76 UG/M3 0.76 U EPD-WA-05-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 0.98 U 0.21 0.98 UG/M3 0.98 U EPD-WA-05-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.34 1.5 UG/M3 1.5 U EPD-WA-05-050723 TO-15 74-83-9 BROMOMETHANE 28 U 2.2 28 UG/M3 28 U EPD-WA-05-050723 TO-15 75-15-0 CARBON DISULFIDE 0.82 J 0.30 2.3 UG/M3 2.3 U EPD-WA-05-050723 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.19 0.68 UG/M3 0.68 U EPD-WA-05-050723 TO-15 10061-01 -5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.20 0.67 UG/M3 0.67 U EPD-WA-05-050723 TO-15 98-82-8 CUMENE 0.72 U 0.11 0.72 UG/M3 0.72 U EPD-WA-05-050723 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.26 2.5 UG/M3 2.5 U EPD-WA-05-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.25 1.2 UG/M3 1.2 U EPD-WA-05-050723 TO-15 64-17-5 ETHANOL 2.7 J 1.5 5.5 UG/M3 2.7 J EPD-WA-05-050723 TO-15 75-69-4 FREON 11 0.97 0.13 0.82 UG/M3 0.97 EPD-WA-05-050723 TO-15 76-13-1 FREON 113 0.36 J 0.14 1.1 UG/M3 0.36 J EPD-WA-05-050723 TO-15 142-82-5 HEPTANE 3.0 U 0.61 3.0 UG/M3 3.0 U EPD-WA-05-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.8 U 0.66 7.8 UG/M3 7.8 U EPD-WA-05-050723 TO-15 110-54-3 HEXANE 2.6 U 0.43 2.6 UG/M3 2.6 U EPD-WA-05-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.38 1.0 UG/M3 1.0 U EPD-WA-05-050723 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.26 0.72 UG/M3 0.72 U EPD-WA-05-050723 TO-15 100-42-5 STYRENE 0.12 J 0.12 0.63 UG/M3 0.12 J EPD-WA-05-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 1.4 2.2 UG/M3 2.2 U EPD-WA-05-050723 TO-15 10061-02 -6 TRANS-1,3-DICHLOROPROPENE 0.67 U 0.18 0.67 UG/M3 0.67 U EPD-WA-05-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-05-050723 TO-15 106-97-8 BUTANE 1.6 NJ PPBV 1.6 NJ EPD-WA-05-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 1.8 NJ PPBV 1.8 NJ EPD-WA-05-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-05-050723 TO-15 109-66-0 PENTANE 0.96 NJ PPBV 0.96 NJ EPD-WA-05-050723 TO-15 NA UNKNOWN TIC 0.76 J PPBV 0.76 J EPD-WA-05-050723 TO-15 NA UNKNOWN TIC 0.88 J PPBV 0.88 J EPD-WA-05-050723 TO-15 NA UNKNOWN TIC 1.5 J PPBV 1.5 J EPD-WA-05-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-05-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.034 0.20 UG/M3 0.20 U Page 14 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.032 0.16 UG/M3 0.16 U EPD-WA-05-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-WA-05-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.030 0.058 UG/M3 0.058 U EPD-WA-05-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.050 0.22 UG/M3 0.22 U EPD-WA-05-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.073 J 0.023 0.12 UG/M3 0.073 J EPD-WA-05-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.096 0.18 UG/M3 0.18 U EPD-WA-05-050723 TO-15 SIM 71-43-2 BENZENE 0.82 0.045 0.23 UG/M3 0.82 EPD-WA-05-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.37 0.034 0.18 UG/M3 0.37 EPD-WA-05-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.12 0.19 UG/M3 0.19 U EPD-WA-05-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.071 J 0.023 0.14 UG/M3 0.071 J EPD-WA-05-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.77 J 0.15 1.5 UG/M3 0.77 J EPD-WA-05-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.025 0.12 UG/M3 0.12 U EPD-WA-05-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.15 0.0091 0.13 UG/M3 0.15 EPD-WA-05-050723 TO-15 SIM 76-14-2 FREON 114 0.093 J 0.029 0.20 UG/M3 0.093 J EPD-WA-05-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.021 0.36 UG/M3 1.7 EPD-WA-05-050723 TO-15 SIM 179601-23- -1 M,P-XYLENE 0.49 0.018 0.26 UG/M3 0.49 EPD-WA-05-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.020 0.53 UG/M3 0.53 U EPD-WA-05-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.72 0.072 0.38 UG/M3 0.72 EPD-WA-05-050723 TO-15 SIM 95-47-6 O-XYLENE 0.19 0.016 0.13 UG/M3 0.19 EPD-WA-05-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.094 J 0.0077 0.20 UG/M3 0.094 J EPD-WA-05-050723 TO-15 SIM 108-88-3 TOLUENE 1.3 0.018 0.28 UG/M3 1.3 EPD-WA-05-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.58 U 0.018 0.58 UG/M3 0.58 U EPD-WA-05-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-05-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.19 0.027 0.038 UG/M3 0.19 EPD-WA-06-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 0.73 5.5 UG/M3 5.5 U EPD-WA-06-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.19 J 0.18 0.73 UG/M3 0.19 J EPD-WA-06-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.90 U 0.19 0.90 UG/M3 0.90 U EPD-WA-06-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.69 U 0.24 0.69 UG/M3 0.69 U EPD-WA-06-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.23 0.73 UG/M3 0.73 U EPD-WA-06-050723 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.14 0.33 UG/M3 0.33 U EPD-WA-06-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.90 U 0.19 0.90 UG/M3 0.90 U EPD-WA-06-050723 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.29 0.54 UG/M3 0.54 U EPD-WA-06-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.49 3.5 UG/M3 3.5 U EPD-WA-06-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.51 J 0.49 2.2 UG/M3 0.51 J Page 15 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050723 TO-15 591-78-6 2-HEXANONE 3.0 U 0.62 3.0 UG/M3 3.0 U EPD-WA-06-050723 TO-15 67-63-0 2-PROPANOL 7.3 U 0.39 7.3 UG/M3 7.3 U EPD-WA-06-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.51 2.3 UG/M3 2.3 U EPD-WA-06-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.17 0.73 UG/M3 0.73 U EPD-WA-06-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.13 0.61 UG/M3 0.61 U EPD-WA-06-050723 TO-15 67-64-1 ACETONE 7.2 1.0 7.1 UG/M3 7.2 EPD-WA-06-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.40 0.77 UG/M3 0.77 U EPD-WA-06-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.21 1.0 UG/M3 1.0 U EPD-WA-06-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.35 1.5 UG/M3 1.5 U EPD-WA-06-050723 TO-15 74-83-9 BROMOMETHANE 29 U 2.2 29 UG/M3 29 U EPD-WA-06-050723 TO-15 75-15-0 CARBON DISULFIDE 0.70 J 0.30 2.3 UG/M3 2.3 U EPD-WA-06-050723 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.19 0.68 UG/M3 0.68 U EPD-WA-06-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.21 0.68 UG/M3 0.68 U EPD-WA-06-050723 TO-15 98-82-8 CUMENE 0.73 U 0.11 0.73 UG/M3 0.73 U EPD-WA-06-050723 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.27 2.6 UG/M3 2.6 U EPD-WA-06-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.26 1.3 UG/M3 1.3 U EPD-WA-06-050723 TO-15 64-17-5 ETHANOL 4.2 J 1.5 5.6 UG/M3 4.2 J EPD-WA-06-050723 TO-15 75-69-4 FREON 11 0.99 0.13 0.84 UG/M3 0.99 EPD-WA-06-050723 TO-15 76-13-1 FREON 113 0.42 J 0.14 1.1 UG/M3 0.42 J EPD-WA-06-050723 TO-15 142-82-5 HEPTANE 3.0 U 0.62 3.0 UG/M3 3.0 U EPD-WA-06-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.9 U 0.67 7.9 UG/M3 7.9 U EPD-WA-06-050723 TO-15 110-54-3 HEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-WA-06-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.39 1.0 UG/M3 1.0 U EPD-WA-06-050723 TO-15 103-65-1 PROPYLBENZENE 0.73 U 0.27 0.73 UG/M3 0.73 U EPD-WA-06-050723 TO-15 100-42-5 STYRENE 0.63 U 0.12 0.63 UG/M3 0.63 U EPD-WA-06-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 1.4 2.2 UG/M3 2.2 U EPD-WA-06-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-WA-06-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-06-050723 TO-15 106-97-8 BUTANE 2.1 NJ PPBV 2.1 NJ EPD-WA-06-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 2.1 NJ PPBV 2.1 NJ EPD-WA-06-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-06-050723 TO-15 109-66-0 PENTANE 1.3 NJ PPBV 1.3 NJ EPD-WA-06-050723 TO-15 NA UNKNOWN TIC 0.76 J PPBV 0.76 J EPD-WA-06-050723 TO-15 NA UNKNOWN TIC 1.5 J PPBV 1.5 J Page 16 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-06-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.034 0.20 UG/M3 0.20 U EPD-WA-06-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.032 0.16 UG/M3 0.16 U EPD-WA-06-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-WA-06-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.030 0.059 UG/M3 0.059 U EPD-WA-06-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.051 0.23 UG/M3 0.23 U EPD-WA-06-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.072 J 0.023 0.12 UG/M3 0.072 J EPD-WA-06-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.098 0.18 UG/M3 0.18 U EPD-WA-06-050723 TO-15 SIM 71-43-2 BENZENE 0.97 0.046 0.24 UG/M3 0.97 EPD-WA-06-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.37 0.035 0.19 UG/M3 0.37 EPD-WA-06-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.12 0.20 UG/M3 0.20 U EPD-WA-06-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.068 J 0.023 0.14 UG/M3 0.068 J EPD-WA-06-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.15 1.5 UG/M3 0.76 J EPD-WA-06-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.025 0.12 UG/M3 0.12 U EPD-WA-06-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.16 0.0092 0.13 UG/M3 0.16 EPD-WA-06-050723 TO-15 SIM 76-14-2 FREON 114 0.088 J 0.029 0.21 UG/M3 0.088 J EPD-WA-06-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.021 0.37 UG/M3 1.7 EPD-WA-06-050723 TO-15 SIM 179601-23 -1 M,P-XYLENE 0.51 0.019 0.26 UG/M3 0.51 EPD-WA-06-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.020 0.54 UG/M3 0.54 U EPD-WA-06-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.24 J 0.073 0.39 UG/M3 0.24 J EPD-WA-06-050723 TO-15 SIM 95-47-6 O-XYLENE 0.20 0.016 0.13 UG/M3 0.20 EPD-WA-06-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.10 J 0.0078 0.20 UG/M3 0.10 J EPD-WA-06-050723 TO-15 SIM 108-88-3 TOLUENE 1.2 0.019 0.28 UG/M3 1.2 EPD-WA-06-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.059 J 0.018 0.59 UG/M3 0.059 J EPD-WA-06-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-06-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 1.0 0.027 0.038 UG/M3 1.0 EPD-WA-44-050723 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 0.72 5.4 UG/M3 5.4 U EPD-WA-44-050723 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-44-050723 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.19 0.88 UG/M3 0.88 U EPD-WA-44-050723 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.24 0.67 UG/M3 0.67 U EPD-WA-44-050723 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.22 0.72 UG/M3 0.72 U EPD-WA-44-050723 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.13 0.32 UG/M3 0.32 U EPD-WA-44-050723 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.18 0.88 UG/M3 0.88 U EPD-WA-44-050723 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.29 0.53 UG/M3 0.53 U Page 17 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-44-050723 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.48 3.4 UG/M3 3.4 U EPD-WA-44-050723 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.48 2.2 UG/M3 2.2 U EPD-WA-44-050723 TO-15 591-78-6 2-HEXANONE 3.0 U 0.61 3.0 UG/M3 3.0 U EPD-WA-44-050723 TO-15 67-63-0 2-PROPANOL 0.72 J 0.38 7.2 UG/M3 0.72 J EPD-WA-44-050723 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.50 2.3 UG/M3 2.3 U EPD-WA-44-050723 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-44-050723 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.60 U 0.13 0.60 UG/M3 0.60 U EPD-WA-44-050723 TO-15 67-64-1 ACETONE 6.8 J 0.98 6.9 UG/M3 6.8 J EPD-WA-44-050723 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.40 0.76 UG/M3 0.76 U EPD-WA-44-050723 TO-15 75-27-4 BROMODICHLOROMETHANE 0.98 U 0.21 0.98 UG/M3 0.98 U EPD-WA-44-050723 TO-15 75-25-2 BROMOFORM 1.5 U 0.34 1.5 UG/M3 1.5 U EPD-WA-44-050723 TO-15 74-83-9 BROMOMETHANE 28 U 2.2 28 UG/M3 28 U EPD-WA-44-050723 TO-15 75-15-0 CARBON DISULFIDE 0.70 J 0.30 2.3 UG/M3 2.3 U EPD-WA-44-050723 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.19 0.67 UG/M3 0.67 U EPD-WA-44-050723 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.20 0.66 UG/M3 0.66 U EPD-WA-44-050723 TO-15 98-82-8 CUMENE 0.72 U 0.11 0.72 UG/M3 0.72 U EPD-WA-44-050723 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.26 2.5 UG/M3 2.5 U EPD-WA-44-050723 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.25 1.2 UG/M3 1.2 U EPD-WA-44-050723 TO-15 64-17-5 ETHANOL 7.9 1.5 5.5 UG/M3 7.9 EPD-WA-44-050723 TO-15 75-69-4 FREON 11 0.94 0.12 0.82 UG/M3 0.94 EPD-WA-44-050723 TO-15 76-13-1 FREON 113 0.41 J 0.14 1.1 UG/M3 0.41 J EPD-WA-44-050723 TO-15 142-82-5 HEPTANE 3.0 U 0.60 3.0 UG/M3 3.0 U EPD-WA-44-050723 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.8 U 0.65 7.8 UG/M3 7.8 U EPD-WA-44-050723 TO-15 110-54-3 HEXANE 2.6 U 0.43 2.6 UG/M3 2.6 U EPD-WA-44-050723 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.38 1.0 UG/M3 1.0 U EPD-WA-44-050723 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.26 0.72 UG/M3 0.72 U EPD-WA-44-050723 TO-15 100-42-5 STYRENE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-WA-44-050723 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 1.4 2.2 UG/M3 2.2 U EPD-WA-44-050723 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 u EPD-WA-44-050723 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF EPD-WA-44-050723 TO-15 106-97-8 BUTANE 0.86 NJ PPBV 0.86 NJ EPD-WA-44-050723 TO-15 78-78-4 BUTANE, 2-METHYL- 0.82 NJ PPBV 0.82 NJ EPD-WA-44-050723 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-44-050723 TO-15 NA UNKNOWN TIC 1.2 J PPBV 1.2 J Page 18 of 19 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305171 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-44-050723 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-44-050723 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.034 0.20 UG/M3 0.20 U EPD-WA-44-050723 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.032 0.16 UG/M3 0.16 U EPD-WA-44-050723 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-WA-44-050723 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.029 0.058 UG/M3 0.058 U EPD-WA-44-050723 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.050 0.22 UG/M3 0.22 U EPD-WA-44-050723 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.070 J 0.023 0.12 UG/M3 0.070 J EPD-WA-44-050723 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.096 0.18 UG/M3 0.18 U EPD-WA-44-050723 TO-15 SIM 71-43-2 BENZENE 0.54 0.045 0.23 UG/M3 0.54 EPD-WA-44-050723 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.36 0.034 0.18 UG/M3 0.36 EPD-WA-44-050723 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.12 0.19 UG/M3 0.19 U EPD-WA-44-050723 TO-15 SIM 67-66-3 CHLOROFORM 0.064 J 0.022 0.14 UG/M3 0.064 J EPD-WA-44-050723 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.15 1.5 UG/M3 0.76 J EPD-WA-44-050723 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.025 0.12 UG/M3 0.12 U EPD-WA-44-050723 TO-15 SIM 100-41-4 ETHYL BENZENE 0.072 J 0.009 0.13 UG/M3 0.072 J EPD-WA-44-050723 TO-15 SIM 76-14-2 FREON 114 0.091 J 0.029 0.20 UG/M3 0.091 J EPD-WA-44-050723 TO-15 SIM 75-71-8 FREON 12 1.7 0.021 0.36 UG/M3 1.7 EPD-WA-44-050723 TO-15 SIM 179601-23 -1 M,P-XYLENE 0.20 J 0.018 0.25 UG/M3 0.20 J EPD-WA-44-050723 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.020 0.53 UG/M3 0.53 U EPD-WA-44-050723 TO-15 SIM 91-20-3 NAPHTHALENE 0.079 J 0.071 0.38 UG/M3 0.079 J EPD-WA-44-050723 TO-15 SIM 95-47-6 O-XYLENE 0.075 J 0.015 0.13 UG/M3 0.075 J EPD-WA-44-050723 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.071 J 0.0076 0.20 UG/M3 0.071 J EPD-WA-44-050723 TO-15 SIM 108-88-3 TOLUENE 0.70 0.018 0.28 UG/M3 0.70 EPD-WA-44-050723 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.018 J 0.018 0.58 UG/M3 0.018 J EPD-WA-44-050723 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-44-050723 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.054 0.027 0.037 UG/M3 0.054 Page 19 of 19 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 1860c Laboratory Report No. 2305174 Laboratory Eurofins Air Toxics, LLC, Folsom CA Analyses Volatile organic compounds (VOCs) by EPA Method TO-15 in scan anc selected ion monitoring (SIM) modes Samples and Matrix Nine air samples, including one field duplicate Collection Date(s) 05/08/2023 Field Duplicate Pairs EPD-WA-05-050823/EPD-WA-55-050823 Field QC Blanks None INTRODUCTION This checklist summarizes the Stage 2A validation performed on the subject laboratory report, in accordance with the U.S. Environmental Protection Agency (EPA) Guidance for Labeling Externally Validated Laboratory Analytical Data for Superfund Use (January 2009). Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), and the EPA National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). OVERALL EVALUATION No rejection of results was required for this data package. The results may be used as qualified based on the findings of this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) were not provided in the Level II laboratory report. The lab provided the RPDs separately. No qualifications were applied. TETRA TECH Page 1 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes Y The canister receipt vacuum/pressures values in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that the all values are negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums are recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures are recorded using the unit pounds per square inch (psi). No qualifications were applied. The receipt lab-measured residual canister vacuum listed on the lab summary for EPD-WA-55-050823 was -10.5"Hg. This large residual vacuum suggests that the canister filled more slowly than intended over the allotted time and therefore the sample volume is lower than planned. The lower volume may have affected the analytical sensitivity (possibly leading to elevated method detection limit (MDL) and reporting limit (RL) values). The sample may not be representative of the full collection period. These analytical results should be used with caution. Method blanks: Within Criteria Exceedance/Notes Y TO-15 SIM (2305174-10B): 1,4-Dichlorobenzene was detected in the method blank at a level between the method blank (MDL) and the reporting limit (RL). The 1,4-dichlorobenzene results in all samples were non-detect, therefore no qualifications were applied. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y TETRA TECH Page 2 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT MS/MSDs: Within Criteria Exceedance/Notes NA Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes Y LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factor for: • EPD-DW-A-058723 was 1.36. • EPD-WA-04-050823 was 1.51. • EPD-UW-E-050823 was 1.39. • EPD-WA-05-050823 was 1.36. • EPD-WA-01-050823 was 1.48. • EPD-WA-06-050823 was 1.59. • EPD-WA-02-050823 was 1.64. • EPD-WA-55-050823 was 1.75. • EPD-WA-03-050823 was 1.51. TETRA TECH Page 3 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA MDLs/RLs: Within Criteria Exceedance/Notes Y Detections between the MDL and RL were reported and qualified as estimated (flagged J) by the laboratory. Tentatively identified compounds: Within Criteria Exceedance/Notes Y Tentatively identified compounds (TICs) were detected in all samples. The known TICs were qualified as tentatively identified (flagged NJ). The unknown TICs were qualified as estimated (flagged J). 2-Ethyl-l-hexanol and butyl acrylate in all samples were reported as not detected and qualified as manually searched for, but not found in the sample (flagged U,NF). Other [None]: Within Criteria Exceedance/Notes NA TETRA TECH Page 4 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Overall Qualifications: See results summary pages attached for changes to the laboratory qualifiers based upon this validation. The following is a list of qualifiers and definitions that may be used for the validation of this data package: J The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample. J+ The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased high. J- The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased low. NF The tentatively identified compound was manually searched for but was not found in the sample. NJ The analysis indicates the presence of an analyte that has been "tentatively identified" and the associated value is the approximate concentration of the analyte in the sample. R The sample result is rejected as unusable due to serious deficiencies in one or more quality control criteria. The analyte may or may not be present in the sample. U The analyte was analyzed for, but was not detected at or above the associated value (reporting limit). UJ The analyte was analyzed for, but was not detected at or above the associated value (reporting limit), which is considered approximate due to deficiencies in one or more quality control criteria. TETRA TECH Page 5 of 5 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-A-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.0 U 1.2 5.0 UG/M3 5.0 U EPD-DW-A-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.67 U 0.20 0.67 UG/M3 0.67 U EPD-DW-A-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.097 0.82 UG/M3 0.82 U EPD-DW-A-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.10 0.63 UG/M3 0.63 U EPD-DW-A-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-DW-A-050823 TO-15 106-99-0 1,3-BUTADIENE 0.30 U 0.029 0.30 UG/M3 0.30 U EPD-DW-A-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.092 0.82 UG/M3 0.82 U EPD-DW-A-050823 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.078 0.49 UG/M3 0.49 U EPD-DW-A-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.51 3.2 UG/M3 3.2 U EPD-DW-A-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.0 U 0.31 2.0 UG/M3 2.0 U EPD-DW-A-050823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.43 2.8 UG/M3 2.8 U EPD-DW-A-050823 TO-15 67-63-0 2-PROPANOL 6.7 U 0.38 6.7 UG/M3 6.7 U EPD-DW-A-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.42 2.1 UG/M3 2.1 U EPD-DW-A-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-DW-A-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.20 0.56 UG/M3 0.56 U EPD-DW-A-050823 TO-15 67-64-1 ACETONE 4.6 J 0.74 6.5 UG/M3 4.6 J EPD-DW-A-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.70 U 0.13 0.70 UG/M3 0.70 U EPD-DW-A-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 0.91 U 0.14 0.91 UG/M3 0.91 U EPD-DW-A-050823 TO-15 75-25-2 BROMOFORM 1.4 U 0.39 1.4 UG/M3 1.4 U EPD-DW-A-050823 TO-15 74-83-9 BROMOMETHANE 26 U 0.76 26 UG/M3 26 U EPD-DW-A-050823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.61 2.1 UG/M3 2.1 U EPD-DW-A-050823 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.049 0.63 UG/M3 0.63 U EPD-DW-A-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-DW-A-050823 TO-15 98-82-8 CUMENE 0.67 U 0.085 0.67 UG/M3 0.67 U EPD-DW-A-050823 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.23 2.3 UG/M3 2.3 U EPD-DW-A-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.20 1.2 UG/M3 1.2 U EPD-DW-A-050823 TO-15 64-17-5 ETHANOL 2.5 J 0.62 16 UG/M3 2.5 J EPD-DW-A-050823 TO-15 75-69-4 FREON 11 1.1 0.06 0.76 UG/M3 1.1 EPD-DW-A-050823 TO-15 76-13-1 FREON 113 0.43 J 0.18 1.0 UG/M3 0.43 J EPD-DW-A-050823 TO-15 142-82-5 HEPTANE 2.8 u 0.34 2.8 UG/M3 2.8 u EPD-DW-A-050823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 u 0.72 7.2 UG/M3 7.2 u EPD-DW-A-050823 TO-15 110-54-3 HEXANE 2.4 u 0.37 2.4 UG/M3 2.4 u EPD-DW-A-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.86 J 0.54 0.94 UG/M3 0.86 J EPD-DW-A-050823 TO-15 103-65-1 PROPYLBENZENE 0.67 u 0.15 0.67 UG/M3 0.67 u Page 1 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-DW-A-050823 TO-15 100-42-5 STYRENE 0.58 U 0.084 0.58 UG/M3 0.58 U EPD-DW-A-050823 TO-15 109-99-9 TETRAHYDROFURAN 0.33 J 0.32 2.0 UG/M3 0.33 J EPD-DW-A-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.62 U 0.15 0.62 UG/M3 0.62 U EPD-DW-A-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-DW-A-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-DW-A-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-DW-A-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.19 U 0.045 0.19 UG/M3 0.19 U EPD-DW-A-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.017 0.15 UG/M3 0.15 U EPD-DW-A-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.011 0.11 UG/M3 0.11 U EPD-DW-A-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.014 0.054 UG/M3 0.054 U EPD-DW-A-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.028 0.21 UG/M3 0.21 U EPD-DW-A-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.068 J 0.013 0.11 UG/M3 0.068 J EPD-DW-A-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.070 0.16 UG/M3 0.16 U EPD-DW-A-050823 TO-15 SIM 71-43-2 BENZENE 0.36 0.021 0.22 UG/M3 0.36 EPD-DW-A-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.012 0.17 UG/M3 0.46 EPD-DW-A-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.0096 0.18 UG/M3 0.18 U EPD-DW-A-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.080 J 0.014 0.13 UG/M3 0.080 J EPD-DW-A-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.84 J 0.17 1.4 UG/M3 0.84 J EPD-DW-A-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.014 0.11 UG/M3 0.11 U EPD-DW-A-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.065 J 0.018 0.12 UG/M3 0.065 J EPD-DW-A-050823 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.021 0.19 UG/M3 0.11 J EPD-DW-A-050823 TO-15 SIM 75-71-8 FREON 12 2.2 0.014 0.34 UG/M3 2.2 EPD-DW-A-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.22 J 0.023 0.24 UG/M3 0.22 J EPD-DW-A-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0091 0.49 UG/M3 0.49 U EPD-DW-A-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.17 J 0.10 0.36 UG/M3 0.17 J EPD-DW-A-050823 TO-15 SIM 95-47-6 O-XYLENE 0.087 J 0.020 0.12 UG/M3 0.087 J EPD-DW-A-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.051 J 0.026 0.18 UG/M3 0.051 J EPD-DW-A-050823 TO-15 SIM 108-88-3 TOLUENE 0.49 0.018 0.26 UG/M3 0.49 EPD-DW-A-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.54 U 0.0081 0.54 UG/M3 0.54 U EPD-DW-A-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.024 0.15 UG/M3 0.15 U EPD-DW-A-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 1.6 0.0097 0.035 UG/M3 1.6 EPD-UW-E-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.2 U 1.3 5.2 UG/M3 5.2 U EPD-UW-E-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.68 U 0.20 0.68 UG/M3 0.68 U EPD-UW-E-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.84 U 0.099 0.84 UG/M3 0.84 U Page 2 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-E-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.64 U 0.10 0.64 UG/M3 0.64 U EPD-UW-E-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-UW-E-050823 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.030 0.31 UG/M3 0.31 U EPD-UW-E-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.84 U 0.095 0.84 UG/M3 0.84 U EPD-UW-E-050823 TO-15 123-91-1 1,4-DIOXANE 0.50 U 0.080 0.50 UG/M3 0.50 U EPD-UW-E-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.52 3.2 UG/M3 3.2 U EPD-UW-E-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.0 U 0.31 2.0 UG/M3 2.0 U EPD-UW-E-050823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.44 2.8 UG/M3 2.8 U EPD-UW-E-050823 TO-15 67-63-0 2-PROPANOL 6.8 U 0.38 6.8 UG/M3 6.8 U EPD-UW-E-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.43 2.2 UG/M3 2.2 U EPD-UW-E-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.68 U 0.13 0.68 UG/M3 0.68 U EPD-UW-E-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.57 U 0.20 0.57 UG/M3 0.57 U EPD-UW-E-050823 TO-15 67-64-1 ACETONE 4.4 J 0.76 6.6 UG/M3 4.4 J EPD-UW-E-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.72 U 0.13 0.72 UG/M3 0.72 U EPD-UW-E-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 0.93 U 0.14 0.93 UG/M3 0.93 U EPD-UW-E-050823 TO-15 75-25-2 BROMOFORM 1.4 U 0.40 1.4 UG/M3 1.4 U EPD-UW-E-050823 TO-15 74-83-9 BROMOMETHANE 27 U 0.78 27 UG/M3 27 U EPD-UW-E-050823 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.62 2.2 UG/M3 2.2 U EPD-UW-E-050823 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.050 0.64 UG/M3 0.64 U EPD-UW-E-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.63 U 0.12 0.63 UG/M3 0.63 U EPD-UW-E-050823 TO-15 98-82-8 CUMENE 0.68 U 0.086 0.68 UG/M3 0.68 U EPD-UW-E-050823 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.23 2.4 UG/M3 2.4 U EPD-UW-E-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.21 1.2 UG/M3 1.2 U EPD-UW-E-050823 TO-15 64-17-5 ETHANOL 1.6 J 0.63 16 UG/M3 1.6 J EPD-UW-E-050823 TO-15 75-69-4 FREON 11 1.1 0.062 0.78 UG/M3 1.1 EPD-UW-E-050823 TO-15 76-13-1 FREON 113 0.47 J 0.18 1.1 UG/M3 0.47 J EPD-UW-E-050823 TO-15 142-82-5 HEPTANE 2.8 U 0.35 2.8 UG/M3 2.8 U EPD-UW-E-050823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.4 U 0.74 7.4 UG/M3 7.4 U EPD-UW-E-050823 TO-15 110-54-3 HEXANE 2.4 u 0.38 2.4 UG/M3 2.4 u EPD-UW-E-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.84 J 0.55 0.96 UG/M3 0.84 J EPD-UW-E-050823 TO-15 103-65-1 PROPYLBENZENE 0.68 u 0.15 0.68 UG/M3 0.68 u EPD-UW-E-050823 TO-15 100-42-5 STYRENE 0.59 u 0.086 0.59 UG/M3 0.59 u EPD-UW-E-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.0 u 0.33 2.0 UG/M3 2.0 u EPD-UW-E-050823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.63 u 0.16 0.63 UG/M3 0.63 u Page 3 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-UW-E-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-UW-E-050823 TO-15 106-97-8 BUTANE 0.81 NJ PPBV 0.81 NJ EPD-UW-E-050823 TO-15 78-78-4 BUTANE, 2-METHYL- 0.73 NJ PPBV 0.73 NJ EPD-UW-E-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-UW-E-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 1.4 NJ PPBV 1.4 NJ EPD-UW-E-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-UW-E-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.19 U 0.046 0.19 UG/M3 0.19 U EPD-UW-E-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.018 0.15 UG/M3 0.15 U EPD-UW-E-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.011 0.11 UG/M3 0.11 U EPD-UW-E-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.055 U 0.014 0.055 UG/M3 0.055 U EPD-UW-E-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.029 0.21 UG/M3 0.21 U EPD-UW-E-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.069 J 0.013 0.11 UG/M3 0.069 J EPD-UW-E-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.072 0.17 UG/M3 0.17 U EPD-UW-E-050823 TO-15 SIM 71-43-2 BENZENE 0.45 0.022 0.22 UG/M3 0.45 EPD-UW-E-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.43 0.012 0.17 UG/M3 0.43 EPD-UW-E-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.0098 0.18 UG/M3 0.18 U EPD-UW-E-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.072 J 0.014 0.14 UG/M3 0.072 J EPD-UW-E-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.17 1.4 UG/M3 0.76 J EPD-UW-E-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.014 0.11 UG/M3 0.11 U EPD-UW-E-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.083 J 0.018 0.12 UG/M3 0.083 J EPD-UW-E-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.021 0.19 UG/M3 0.10 J EPD-UW-E-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.014 0.34 UG/M3 2.1 EPD-UW-E-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.33 0.024 0.24 UG/M3 0.33 EPD-UW-E-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.50 U 0.0093 0.50 UG/M3 0.50 U EPD-UW-E-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.36 U 0.11 0.36 UG/M3 0.36 U EPD-UW-E-050823 TO-15 SIM 95-47-6 O-XYLENE 0.12 0.020 0.12 UG/M3 0.12 EPD-UW-E-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.036 J 0.027 0.19 UG/M3 0.036 J EPD-UW-E-050823 TO-15 SIM 108-88-3 TOLUENE 0.73 0.019 0.26 UG/M3 0.73 EPD-UW-E-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.55 U 0.0083 0.55 UG/M3 0.55 U EPD-UW-E-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.024 0.15 UG/M3 0.15 U EPD-UW-E-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.0099 0.036 UG/M3 0.036 U EPD-WA-01-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 1.4 5.5 UG/M3 5.5 U EPD-WA-01-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.23 J 0.22 0.73 UG/M3 0.23 J EPD-WA-01-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.10 0.89 UG/M3 0.89 U Page 4 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.11 0.68 UG/M3 0.68 U EPD-WA-01-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.14 0.73 UG/M3 0.73 U EPD-WA-01-050823 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.032 0.33 UG/M3 0.33 U EPD-WA-01-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.10 0.89 UG/M3 0.89 U EPD-WA-01-050823 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.085 0.53 UG/M3 0.53 U EPD-WA-01-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.56 3.4 UG/M3 3.4 U EPD-WA-01-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.33 2.2 UG/M3 2.2 U EPD-WA-01-050823 TO-15 591-78-6 2-HEXANONE 3.0 U 0.47 3.0 UG/M3 3.0 U EPD-WA-01-050823 TO-15 67-63-0 2-PROPANOL 7.3 U 0.41 7.3 UG/M3 7.3 U EPD-WA-01-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.46 2.3 UG/M3 2.3 U EPD-WA-01-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.14 0.73 UG/M3 0.73 U EPD-WA-01-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.22 0.61 UG/M3 0.61 U EPD-WA-01-050823 TO-15 67-64-1 ACETONE 5.6 J 0.81 7.0 UG/M3 5.6 J EPD-WA-01-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.14 0.77 UG/M3 0.77 U EPD-WA-01-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.15 0.99 UG/M3 0.99 U EPD-WA-01-050823 TO-15 75-25-2 BROMOFORM 1.5 U 0.42 1.5 UG/M3 1.5 U EPD-WA-01-050823 TO-15 74-83-9 BROMOMETHANE 29 U 0.83 29 UG/M3 29 U EPD-WA-01-050823 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.66 2.3 UG/M3 2.3 U EPD-WA-01-050823 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.053 0.68 UG/M3 0.68 U EPD-WA-01-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-WA-01-050823 TO-15 98-82-8 CUMENE 0.73 U 0.092 0.73 UG/M3 0.73 U EPD-WA-01-050823 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.25 2.5 UG/M3 2.5 U EPD-WA-01-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.22 1.3 UG/M3 1.3 U EPD-WA-01-050823 TO-15 64-17-5 ETHANOL 1.9 J 0.68 17 UG/M3 1.9 J EPD-WA-01-050823 TO-15 75-69-4 FREON 11 1.1 0.066 0.83 UG/M3 1.1 EPD-WA-01-050823 TO-15 76-13-1 FREON 113 0.44 J 0.20 1.1 UG/M3 0.44 J EPD-WA-01-050823 TO-15 142-82-5 HEPTANE 3.0 U 0.37 3.0 UG/M3 3.0 U EPD-WA-01-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.9 U 0.79 7.9 UG/M3 7.9 U EPD-WA-01-050823 TO-15 110-54-3 HEXANE 0.60 J 0.41 2.6 UG/M3 0.60 J EPD-WA-01-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.85 J 0.59 1.0 UG/M3 0.85 J EPD-WA-01-050823 TO-15 103-65-1 PROPYLBENZENE 0.73 u 0.16 0.73 UG/M3 0.73 u EPD-WA-01-050823 TO-15 100-42-5 STYRENE 0.63 u 0.091 0.63 UG/M3 0.63 u EPD-WA-01-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.2 u 0.35 2.2 UG/M3 2.2 u EPD-WA-01-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.67 u 0.16 0.67 UG/M3 0.67 u Page 5 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-01-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-01-050823 TO-15 106-97-8 BUTANE 1.9 NJ PPBV 1.9 NJ EPD-WA-01-050823 TO-15 78-78-4 BUTANE, 2-METHYL- 1.8 NJ PPBV 1.8 NJ EPD-WA-01-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-01-050823 TO-15 109-66-0 PENTANE 0.84 NJ PPBV 0.84 NJ EPD-WA-01-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-01-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.049 0.20 UG/M3 0.20 U EPD-WA-01-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.019 0.16 UG/M3 0.16 U EPD-WA-01-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.012 0.12 UG/M3 0.12 U EPD-WA-01-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.015 0.059 UG/M3 0.059 U EPD-WA-01-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.031 0.23 UG/M3 0.23 U EPD-WA-01-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.066 J 0.014 0.12 UG/M3 0.066 J EPD-WA-01-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.076 0.18 UG/M3 0.18 U EPD-WA-01-050823 TO-15 SIM 71-43-2 BENZENE 0.81 0.023 0.24 UG/M3 0.81 EPD-WA-01-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.013 0.19 UG/M3 0.44 EPD-WA-01-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.010 0.20 UG/M3 0.20 U EPD-WA-01-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.072 J 0.015 0.14 UG/M3 0.072 J EPD-WA-01-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.78 J 0.18 1.5 UG/M3 0.78 J EPD-WA-01-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.015 0.12 UG/M3 0.12 U EPD-WA-01-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 J 0.019 0.13 UG/M3 0.12 J EPD-WA-01-050823 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.022 0.21 UG/M3 0.11 J EPD-WA-01-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.015 0.36 UG/M3 2.1 EPD-WA-01-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.47 0.025 0.26 UG/M3 0.47 EPD-WA-01-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.0099 0.53 UG/M3 0.53 U EPD-WA-01-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.39 U 0.11 0.39 UG/M3 0.39 U EPD-WA-01-050823 TO-15 SIM 95-47-6 O-XYLENE 0.19 0.022 0.13 UG/M3 0.19 EPD-WA-01-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.038 J 0.029 0.20 UG/M3 0.038 J EPD-WA-01-050823 TO-15 SIM 108-88-3 TOLUENE 1.0 0.020 0.28 UG/M3 1.0 EPD-WA-01-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.59 U 0.0088 0.59 UG/M3 0.59 U EPD-WA-01-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.026 0.16 UG/M3 0.16 U EPD-WA-01-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 1.8 0.010 0.038 UG/M3 1.8 EPD-WA-02-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.1 U 1.5 6.1 UG/M3 6.1 U EPD-WA-02-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.81 U 0.24 0.81 UG/M3 0.81 U EPD-WA-02-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.99 U 0.12 0.99 UG/M3 0.99 U Page 6 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.76 U 0.12 0.76 UG/M3 0.76 U EPD-WA-02-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.81 U 0.16 0.81 UG/M3 0.81 U EPD-WA-02-050823 TO-15 106-99-0 1,3-BUTADIENE 0.36 U 0.035 0.36 UG/M3 0.36 U EPD-WA-02-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.99 U 0.11 0.99 UG/M3 0.99 U EPD-WA-02-050823 TO-15 123-91-1 1,4-DIOXANE 0.59 U 0.094 0.59 UG/M3 0.59 U EPD-WA-02-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.8 U 0.62 3.8 UG/M3 3.8 U EPD-WA-02-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.4 U 0.37 2.4 UG/M3 2.4 U EPD-WA-02-050823 TO-15 591-78-6 2-HEXANONE 3.4 U 0.52 3.4 UG/M3 3.4 U EPD-WA-02-050823 TO-15 67-63-0 2-PROPANOL 8.1 U 0.46 8.1 UG/M3 8.1 U EPD-WA-02-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.6 U 0.51 2.6 UG/M3 2.6 U EPD-WA-02-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.81 U 0.16 0.81 UG/M3 0.81 U EPD-WA-02-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.67 U 0.24 0.67 UG/M3 0.67 U EPD-WA-02-050823 TO-15 67-64-1 ACETONE 5.7 J 0.89 7.8 UG/M3 5.7 J EPD-WA-02-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.85 U 0.16 0.85 UG/M3 0.85 U EPD-WA-02-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 1.1 U 0.17 1.1 UG/M3 1.1 U EPD-WA-02-050823 TO-15 75-25-2 BROMOFORM 1.7 U 0.47 1.7 UG/M3 1.7 U EPD-WA-02-050823 TO-15 74-83-9 BROMOMETHANE 32 U 0.92 32 UG/M3 32 U EPD-WA-02-050823 TO-15 75-15-0 CARBON DISULFIDE 2.6 U 0.73 2.6 UG/M3 2.6 U EPD-WA-02-050823 TO-15 108-90-7 CHLOROBENZENE 0.76 U 0.059 0.76 UG/M3 0.76 U EPD-WA-02-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.74 U 0.14 0.74 UG/M3 0.74 U EPD-WA-02-050823 TO-15 98-82-8 CUMENE 0.81 U 0.10 0.81 UG/M3 0.81 U EPD-WA-02-050823 TO-15 110-82-7 CYCLOHEXANE 2.8 U 0.27 2.8 UG/M3 2.8 U EPD-WA-02-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.4 U 0.25 1.4 UG/M3 1.4 U EPD-WA-02-050823 TO-15 64-17-5 ETHANOL 3.1 J 0.75 19 UG/M3 3.1 J EPD-WA-02-050823 TO-15 75-69-4 FREON 11 1.1 0.073 0.92 UG/M3 1.1 EPD-WA-02-050823 TO-15 76-13-1 FREON 113 0.32 J 0.22 1.2 UG/M3 0.32 J EPD-WA-02-050823 TO-15 142-82-5 HEPTANE 3.4 U 0.41 3.4 UG/M3 3.4 U EPD-WA-02-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.7 U 0.87 8.7 UG/M3 8.7 U EPD-WA-02-050823 TO-15 110-54-3 HEXANE 2.9 u 0.45 2.9 UG/M3 2.9 u EPD-WA-02-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.96 J 0.65 1.1 UG/M3 0.96 J EPD-WA-02-050823 TO-15 103-65-1 PROPYLBENZENE 0.81 u 0.18 0.81 UG/M3 0.81 u EPD-WA-02-050823 TO-15 100-42-5 STYRENE 0.70 u 0.10 0.70 UG/M3 0.70 u EPD-WA-02-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.4 u 0.39 2.4 UG/M3 2.4 u EPD-WA-02-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.74 u 0.18 0.74 UG/M3 0.74 u Page 7 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-02-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-WA-02-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-02-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 100 NJ PPBV 100 NJ EPD-WA-02-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.18 U 0.015 0.18 UG/M3 0.18 U EPD-WA-02-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.22 U 0.055 0.22 UG/M3 0.22 U EPD-WA-02-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.18 U 0.021 0.18 UG/M3 0.18 U EPD-WA-02-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.13 U 0.013 0.13 UG/M3 0.13 U EPD-WA-02-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.065 U 0.017 0.065 UG/M3 0.065 U EPD-WA-02-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.25 U 0.034 0.25 UG/M3 0.25 U EPD-WA-02-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.067 J 0.015 0.13 UG/M3 0.067 J EPD-WA-02-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.20 U 0.085 0.20 UG/M3 0.20 U EPD-WA-02-050823 TO-15 SIM 71-43-2 BENZENE 0.46 0.026 0.26 UG/M3 0.46 EPD-WA-02-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.015 0.21 UG/M3 0.44 EPD-WA-02-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.22 U 0.012 0.22 UG/M3 0.22 U EPD-WA-02-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.073 J 0.017 0.16 UG/M3 0.073 J EPD-WA-02-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.78 J 0.20 1.7 UG/M3 0.78 J EPD-WA-02-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.13 U 0.017 0.13 UG/M3 0.13 U EPD-WA-02-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.089 J 0.021 0.14 UG/M3 0.089 J EPD-WA-02-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.025 0.23 UG/M3 0.10 J EPD-WA-02-050823 TO-15 SIM 75-71-8 FREON 12 2.2 0.016 0.40 UG/M3 2.2 EPD-WA-02-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.33 0.028 0.28 UG/M3 0.33 EPD-WA-02-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.59 U 0.011 0.59 UG/M3 0.59 u EPD-WA-02-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.43 U 0.13 0.43 UG/M3 0.43 u EPD-WA-02-050823 TO-15 SIM 95-47-6 O-XYLENE 0.13 J 0.024 0.14 UG/M3 0.13 J EPD-WA-02-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.088 J 0.032 0.22 UG/M3 0.088 J EPD-WA-02-050823 TO-15 SIM 108-88-3 TOLUENE 0.69 0.022 0.31 UG/M3 0.69 EPD-WA-02-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.65 U 0.0098 0.65 UG/M3 0.65 u EPD-WA-02-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.18 U 0.028 0.18 UG/M3 0.18 u EPD-WA-02-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.058 0.012 0.042 UG/M3 0.058 EPD-WA-03-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.4 5.6 UG/M3 5.6 u EPD-WA-03-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.74 U 0.22 0.74 UG/M3 0.74 U EPD-WA-03-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.11 0.91 UG/M3 0.91 u EPD-WA-03-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.7 U 0.12 0.70 UG/M3 0.70 u EPD-WA-03-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.15 0.74 UG/M3 0.74 U Page 8 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050823 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.032 0.33 UG/M3 0.33 U EPD-WA-03-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.10 0.91 UG/M3 0.91 U EPD-WA-03-050823 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.086 0.54 UG/M3 0.54 U EPD-WA-03-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.57 3.5 UG/M3 3.5 U EPD-WA-03-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.2 U 0.34 2.2 UG/M3 2.2 U EPD-WA-03-050823 TO-15 591-78-6 2-HEXANONE 3.1 U 0.48 3.1 UG/M3 3.1 U EPD-WA-03-050823 TO-15 67-63-0 2-PROPANOL 7.4 U 0.42 7.4 UG/M3 7.4 U EPD-WA-03-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.47 2.4 UG/M3 2.4 U EPD-WA-03-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.74 U 0.14 0.74 UG/M3 0.74 U EPD-WA-03-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.22 0.62 UG/M3 0.62 U EPD-WA-03-050823 TO-15 67-64-1 ACETONE 11 0.82 7.2 UG/M3 11 EPD-WA-03-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.14 0.78 UG/M3 0.78 U EPD-WA-03-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.16 1.0 UG/M3 1.0 U EPD-WA-03-050823 TO-15 75-25-2 BROMOFORM 1.6 U 0.43 1.6 UG/M3 1.6 U EPD-WA-03-050823 TO-15 74-83-9 BROMOMETHANE 29 U 0.84 29 UG/M3 29 U EPD-WA-03-050823 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.67 2.4 UG/M3 2.4 U EPD-WA-03-050823 TO-15 108-90-7 CHLOROBENZENE 0.70 U 0.054 0.70 UG/M3 0.70 U EPD-WA-03-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.13 0.68 UG/M3 0.68 U EPD-WA-03-050823 TO-15 98-82-8 CUMENE 0.74 U 0.094 0.74 UG/M3 0.74 U EPD-WA-03-050823 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.25 2.6 UG/M3 2.6 U EPD-WA-03-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.23 1.3 UG/M3 1.3 U EPD-WA-03-050823 TO-15 64-17-5 ETHANOL 1.4 J 0.69 18 UG/M3 1.4 J EPD-WA-03-050823 TO-15 75-69-4 FREON 11 1.1 0.067 0.85 UG/M3 1.1 EPD-WA-03-050823 TO-15 76-13-1 FREON 113 0.41 J 0.20 1.2 UG/M3 0.41 J EPD-WA-03-050823 TO-15 142-82-5 HEPTANE 3.1 U 0.38 3.1 UG/M3 3.1 U EPD-WA-03-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.0 U 0.80 8.0 UG/M3 8.0 U EPD-WA-03-050823 TO-15 110-54-3 HEXANE 2.7 U 0.42 2.7 UG/M3 2.7 U EPD-WA-03-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.89 J 0.60 1.0 UG/M3 0.89 J EPD-WA-03-050823 TO-15 103-65-1 PROPYLBENZENE 0.74 u 0.16 0.74 UG/M3 0.74 u EPD-WA-03-050823 TO-15 100-42-5 STYRENE 0.64 u 0.093 0.64 UG/M3 0.64 u EPD-WA-03-050823 TO-15 109-99-9 TETRAHYDROFURAN 0.63 J 0.36 2.2 UG/M3 0.63 J EPD-WA-03-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 u 0.17 0.68 UG/M3 0.68 u EPD-WA-03-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF EPD-WA-03-050823 TO-15 106-97-8 BUTANE 0.76 NJ PPBV 0.76 U, NF Page 9 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-03-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-03-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 16 NJ PPBV 16 NJ EPD-WA-03-050823 TO-15 NA UNKNOWN TIC 0.96 J PPBV 0.96 J EPD-WA-03-050823 TO-15 NA UNKNOWN TIC 1.9 J PPBV 1.9 J EPD-WA-03-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-03-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.050 0.21 UG/M3 0.21 U EPD-WA-03-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.019 0.16 UG/M3 0.16 U EPD-WA-03-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.012 0.12 UG/M3 0.12 U EPD-WA-03-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.06 U 0.015 0.060 UG/M3 0.060 U EPD-WA-03-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.032 0.23 UG/M3 0.23 U EPD-WA-03-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.071 J 0.014 0.12 UG/M3 0.071 J EPD-WA-03-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.078 0.18 UG/M3 0.18 U EPD-WA-03-050823 TO-15 SIM 71-43-2 BENZENE 0.50 0.024 0.24 UG/M3 0.50 EPD-WA-03-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.014 0.19 UG/M3 0.45 EPD-WA-03-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.011 0.20 UG/M3 0.20 U EPD-WA-03-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.079 J 0.016 0.15 UG/M3 0.079 J EPD-WA-03-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.77 J 0.19 1.6 UG/M3 0.77 J EPD-WA-03-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.016 0.12 UG/M3 0.12 U EPD-WA-03-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.098 J 0.020 0.13 UG/M3 0.098 J EPD-WA-03-050823 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.023 0.21 UG/M3 0.11 J EPD-WA-03-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.015 0.37 UG/M3 2.1 EPD-WA-03-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.33 0.026 0.26 UG/M3 0.33 EPD-WA-03-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.010 0.54 UG/M3 0.54 U EPD-WA-03-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.12 0.40 UG/M3 0.16 J EPD-WA-03-050823 TO-15 SIM 95-47-6 O-XYLENE 0.12 J 0.022 0.13 UG/M3 0.12 J EPD-WA-03-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.035 J 0.029 0.20 UG/M3 0.035 J EPD-WA-03-050823 TO-15 SIM 108-88-3 TOLUENE 0.72 0.02 0.28 UG/M3 0.72 EPD-WA-03-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 5.3 0.009 0.60 UG/M3 5.3 EPD-WA-03-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.026 0.16 UG/M3 0.16 U EPD-WA-03-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.70 0.011 0.038 UG/M3 0.70 EPD-WA-04-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.4 5.6 UG/M3 5.6 U EPD-WA-04-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.48 J 0.22 0.74 UG/M3 0.48 J EPD-WA-04-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.11 0.91 UG/M3 0.91 U EPD-WA-04-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.70 U 0.12 0.70 UG/M3 0.70 U Page 10 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.19 J 0.15 0.74 UG/M3 0.19 J EPD-WA-04-050823 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.032 0.33 UG/M3 0.33 U EPD-WA-04-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.10 0.91 UG/M3 0.91 U EPD-WA-04-050823 TO-15 123-91-1 1,4-DIOXANE 0.54 U 0.086 0.54 UG/M3 0.54 U EPD-WA-04-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.57 3.5 UG/M3 3.5 U EPD-WA-04-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.43 J 0.34 2.2 UG/M3 0.43 J EPD-WA-04-050823 TO-15 591-78-6 2-HEXANONE 3.1 U 0.48 3.1 UG/M3 3.1 U EPD-WA-04-050823 TO-15 67-63-0 2-PROPANOL 7.4 U 0.42 7.4 UG/M3 7.4 U EPD-WA-04-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.47 2.4 UG/M3 2.4 U EPD-WA-04-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.27 J 0.14 0.74 UG/M3 0.27 J EPD-WA-04-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.22 0.62 UG/M3 0.62 U EPD-WA-04-050823 TO-15 67-64-1 ACETONE 9.0 0.82 7.2 UG/M3 9.0 EPD-WA-04-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.14 0.78 UG/M3 0.78 U EPD-WA-04-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.16 1.0 UG/M3 1.0 U EPD-WA-04-050823 TO-15 75-25-2 BROMOFORM 1.6 U 0.43 1.6 UG/M3 1.6 U EPD-WA-04-050823 TO-15 74-83-9 BROMOMETHANE 29 U 0.84 29 UG/M3 29 U EPD-WA-04-050823 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.67 2.4 UG/M3 2.4 U EPD-WA-04-050823 TO-15 108-90-7 CHLOROBENZENE 0.70 U 0.054 0.70 UG/M3 0.70 U EPD-WA-04-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.13 0.68 UG/M3 0.68 U EPD-WA-04-050823 TO-15 98-82-8 CUMENE 0.74 U 0.094 0.74 UG/M3 0.74 U EPD-WA-04-050823 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.25 2.6 UG/M3 2.6 U EPD-WA-04-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.23 1.3 UG/M3 1.3 U EPD-WA-04-050823 TO-15 64-17-5 ETHANOL 2.2 J 0.69 18 UG/M3 2.2 J EPD-WA-04-050823 TO-15 75-69-4 FREON 11 1.2 0.067 0.85 UG/M3 1.2 EPD-WA-04-050823 TO-15 76-13-1 FREON 113 0.44 J 0.20 1.2 UG/M3 0.44 J EPD-WA-04-050823 TO-15 142-82-5 HEPTANE 3.1 U 0.38 3.1 UG/M3 3.1 U EPD-WA-04-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.0 U 0.80 8.0 UG/M3 8.0 U EPD-WA-04-050823 TO-15 110-54-3 HEXANE 0.68 J 0.42 2.7 UG/M3 0.68 J EPD-WA-04-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.98 J 0.60 1.0 UG/M3 0.98 J EPD-WA-04-050823 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.16 0.74 UG/M3 0.74 U EPD-WA-04-050823 TO-15 100-42-5 STYRENE 0.64 U 0.093 0.64 UG/M3 0.64 U EPD-WA-04-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.36 2.2 UG/M3 2.2 U EPD-WA-04-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.68 U 0.17 0.68 UG/M3 0.68 U EPD-WA-04-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF Page 11 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-04-050823 TO-15 106-97-8 BUTANE 0.97 NJ PPBV 0.97 NJ EPD-WA-04-050823 TO-15 78-78-4 BUTANE, 2-METHYL- 1.0 NJ PPBV 1.0 NJ EPD-WA-04-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-04-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 17 NJ PPBV 17 NJ EPD-WA-04-050823 TO-15 109-66-0 PENTANE 0.82 NJ PPBV 0.82 NJ EPD-WA-04-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-04-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.050 0.21 UG/M3 0.21 U EPD-WA-04-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.019 0.16 UG/M3 0.16 U EPD-WA-04-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.012 0.12 UG/M3 0.12 U EPD-WA-04-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.06 U 0.015 0.060 UG/M3 0.060 U EPD-WA-04-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.032 0.23 UG/M3 0.23 U EPD-WA-04-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.072 J 0.014 0.12 UG/M3 0.072 J EPD-WA-04-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.078 0.18 UG/M3 0.18 U EPD-WA-04-050823 TO-15 SIM 71-43-2 BENZENE 1.4 0.024 0.24 UG/M3 1.4 EPD-WA-04-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.014 0.19 UG/M3 0.44 EPD-WA-04-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.011 0.20 UG/M3 0.20 U EPD-WA-04-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.077 J 0.016 0.15 UG/M3 0.077 J EPD-WA-04-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.19 1.6 UG/M3 0.76 J EPD-WA-04-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.016 0.12 UG/M3 0.12 U EPD-WA-04-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.32 0.020 0.13 UG/M3 0.32 EPD-WA-04-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.023 0.21 UG/M3 0.10 J EPD-WA-04-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.015 0.37 UG/M3 2.1 EPD-WA-04-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.96 0.026 0.26 UG/M3 0.96 EPD-WA-04-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.010 0.54 UG/M3 0.54 U EPD-WA-04-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.15 J 0.12 0.40 UG/M3 0.15 J EPD-WA-04-050823 TO-15 SIM 95-47-6 O-XYLENE 0.37 0.022 0.13 UG/M3 0.37 EPD-WA-04-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.11 J 0.029 0.20 UG/M3 0.11 J EPD-WA-04-050823 TO-15 SIM 108-88-3 TOLUENE 1.9 0.020 0.28 UG/M3 1.9 EPD-WA-04-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.6 U 0.009 0.60 UG/M3 0.60 U EPD-WA-04-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.026 0.16 UG/M3 0.16 U EPD-WA-04-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.23 0.011 0.038 UG/M3 0.23 EPD-WA-05-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.0 U 1.2 5.0 UG/M3 5.0 U EPD-WA-05-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.67 U 0.20 0.67 UG/M3 0.67 U EPD-WA-05-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.097 0.82 UG/M3 0.82 U Page 12 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.10 0.63 UG/M3 0.63 U EPD-WA-05-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-WA-05-050823 TO-15 106-99-0 1,3-BUTADIENE 0.30 U 0.029 0.30 UG/M3 0.30 U EPD-WA-05-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.092 0.82 UG/M3 0.82 U EPD-WA-05-050823 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.078 0.49 UG/M3 0.49 U EPD-WA-05-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.51 3.2 UG/M3 3.2 U EPD-WA-05-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.0 U 0.31 2.0 UG/M3 2.0 U EPD-WA-05-050823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.43 2.8 UG/M3 2.8 U EPD-WA-05-050823 TO-15 67-63-0 2-PROPANOL 6.7 U 0.38 6.7 UG/M3 6.7 U EPD-WA-05-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.42 2.1 UG/M3 2.1 U EPD-WA-05-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-WA-05-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.20 0.56 UG/M3 0.56 U EPD-WA-05-050823 TO-15 67-64-1 ACETONE 5.3 J 0.74 6.5 UG/M3 5.3 J EPD-WA-05-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.70 U 0.13 0.70 UG/M3 0.70 U EPD-WA-05-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 0.91 U 0.14 0.91 UG/M3 0.91 U EPD-WA-05-050823 TO-15 75-25-2 BROMOFORM 1.4 U 0.39 1.4 UG/M3 1.4 U EPD-WA-05-050823 TO-15 74-83-9 BROMOMETHANE 26 U 0.76 26 UG/M3 26 U EPD-WA-05-050823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.61 2.1 UG/M3 2.1 U EPD-WA-05-050823 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.049 0.63 UG/M3 0.63 U EPD-WA-05-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-WA-05-050823 TO-15 98-82-8 CUMENE 0.67 U 0.085 0.67 UG/M3 0.67 U EPD-WA-05-050823 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.23 2.3 UG/M3 2.3 U EPD-WA-05-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.20 1.2 UG/M3 1.2 U EPD-WA-05-050823 TO-15 64-17-5 ETHANOL 2.3 J 0.62 16 UG/M3 2.3 J EPD-WA-05-050823 TO-15 75-69-4 FREON 11 1.1 0.060 0.76 UG/M3 1.1 EPD-WA-05-050823 TO-15 76-13-1 FREON 113 0.49 J 0.18 1.0 UG/M3 0.49 J EPD-WA-05-050823 TO-15 142-82-5 HEPTANE 2.8 U 0.34 2.8 UG/M3 2.8 U EPD-WA-05-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 7.2 U 0.72 7.2 UG/M3 7.2 U EPD-WA-05-050823 TO-15 110-54-3 HEXANE 2.4 u 0.37 2.4 UG/M3 2.4 u EPD-WA-05-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.98 0.54 0.94 UG/M3 0.98 EPD-WA-05-050823 TO-15 103-65-1 PROPYLBENZENE 0.67 u 0.15 0.67 UG/M3 0.67 u EPD-WA-05-050823 TO-15 100-42-5 STYRENE 0.58 u 0.084 0.58 UG/M3 0.58 u EPD-WA-05-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.0 u 0.32 2.0 UG/M3 2.0 u EPD-WA-05-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.62 u 0.15 0.62 UG/M3 0.62 u Page 13 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-05-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF EPD-WA-05-050823 TO-15 106-97-8 BUTANE 0.76 NJ PPBV 0.76 NJ EPD-WA-05-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-05-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 4.2 NJ PPBV 4.2 NJ EPD-WA-05-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-WA-05-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.19 U 0.045 0.19 UG/M3 0.19 U EPD-WA-05-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.017 0.15 UG/M3 0.15 U EPD-WA-05-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.011 0.11 UG/M3 0.11 U EPD-WA-05-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.014 0.054 UG/M3 0.054 U EPD-WA-05-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.028 0.21 UG/M3 0.21 U EPD-WA-05-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.076 J 0.013 0.11 UG/M3 0.076 J EPD-WA-05-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.070 0.16 UG/M3 0.16 U EPD-WA-05-050823 TO-15 SIM 71-43-2 BENZENE 0.39 0.021 0.22 UG/M3 0.39 EPD-WA-05-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.012 0.17 UG/M3 0.45 EPD-WA-05-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.0096 0.18 UG/M3 0.18 U EPD-WA-05-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.074 J 0.014 0.13 UG/M3 0.074 J EPD-WA-05-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.79 J 0.17 1.4 UG/M3 0.79 J EPD-WA-05-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.014 0.11 UG/M3 0.11 U EPD-WA-05-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.018 0.12 UG/M3 0.11 J EPD-WA-05-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.021 0.19 UG/M3 0.10 J EPD-WA-05-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.014 0.34 UG/M3 2.1 EPD-WA-05-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.42 0.023 0.24 UG/M3 0.42 EPD-WA-05-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0091 0.49 UG/M3 0.49 U EPD-WA-05-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.87 0.10 0.36 UG/M3 0.87 EPD-WA-05-050823 TO-15 SIM 95-47-6 O-XYLENE 0.17 0.020 0.12 UG/M3 0.17 EPD-WA-05-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.064 J 0.026 0.18 UG/M3 0.064 J EPD-WA-05-050823 TO-15 SIM 108-88-3 TOLUENE 1.1 0.018 0.26 UG/M3 1.1 EPD-WA-05-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.54 U 0.0081 0.54 UG/M3 0.54 U EPD-WA-05-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.024 0.15 UG/M3 0.15 U EPD-WA-05-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0097 0.035 UG/M3 0.035 U EPD-WA-06-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.9 U 1.4 5.9 UG/M3 5.9 U EPD-WA-06-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.78 U 0.23 0.78 UG/M3 0.78 U EPD-WA-06-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.96 U 0.11 0.96 UG/M3 0.96 U EPD-WA-06-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.73 U 0.12 0.73 UG/M3 0.73 U Page 14 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.78 U 0.16 0.78 UG/M3 0.78 U EPD-WA-06-050823 TO-15 106-99-0 1,3-BUTADIENE 0.35 U 0.034 0.35 UG/M3 0.35 U EPD-WA-06-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.96 U 0.11 0.96 UG/M3 0.96 U EPD-WA-06-050823 TO-15 123-91-1 1,4-DIOXANE 0.57 U 0.091 0.57 UG/M3 0.57 U EPD-WA-06-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.7 U 0.60 3.7 UG/M3 3.7 U EPD-WA-06-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.3 U 0.36 2.3 UG/M3 2.3 U EPD-WA-06-050823 TO-15 591-78-6 2-HEXANONE 3.2 U 0.50 3.2 UG/M3 3.2 U EPD-WA-06-050823 TO-15 67-63-0 2-PROPANOL 1.0 J 0.44 7.8 UG/M3 1.0 J EPD-WA-06-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.5 U 0.49 2.5 UG/M3 2.5 U EPD-WA-06-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.78 U 0.15 0.78 UG/M3 0.78 U EPD-WA-06-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.65 U 0.23 0.65 UG/M3 0.65 U EPD-WA-06-050823 TO-15 67-64-1 ACETONE 6.8 J 0.87 7.6 UG/M3 6.8 J EPD-WA-06-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.82 U 0.15 0.82 UG/M3 0.82 U EPD-WA-06-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 1.1 U 0.16 1.1 UG/M3 1.1 U EPD-WA-06-050823 TO-15 75-25-2 BROMOFORM 1.6 U 0.46 1.6 UG/M3 1.6 U EPD-WA-06-050823 TO-15 74-83-9 BROMOMETHANE 31 U 0.89 31 UG/M3 31 U EPD-WA-06-050823 TO-15 75-15-0 CARBON DISULFIDE 2.5 U 0.71 2.5 UG/M3 2.5 U EPD-WA-06-050823 TO-15 108-90-7 CHLOROBENZENE 0.73 U 0.057 0.73 UG/M3 0.73 U EPD-WA-06-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.72 U 0.14 0.72 UG/M3 0.72 U EPD-WA-06-050823 TO-15 98-82-8 CUMENE 0.78 U 0.099 0.78 UG/M3 0.78 U EPD-WA-06-050823 TO-15 110-82-7 CYCLOHEXANE 0.27 J 0.26 2.7 UG/M3 0.27 J EPD-WA-06-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.4 U 0.24 1.4 UG/M3 1.4 U EPD-WA-06-050823 TO-15 64-17-5 ETHANOL 6.0 J 0.73 18 UG/M3 6.0 J EPD-WA-06-050823 TO-15 75-69-4 FREON 11 1.2 0.070 0.89 UG/M3 1.2 EPD-WA-06-050823 TO-15 76-13-1 FREON 113 0.43 J 0.21 1.2 UG/M3 0.43 J EPD-WA-06-050823 TO-15 142-82-5 HEPTANE 3.2 U 0.40 3.2 UG/M3 3.2 U EPD-WA-06-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 8.5 U 0.85 8.5 UG/M3 8.5 U EPD-WA-06-050823 TO-15 110-54-3 HEXANE 2.8 U 0.44 2.8 UG/M3 2.8 U EPD-WA-06-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.99 J 0.63 1.1 UG/M3 0.99 J EPD-WA-06-050823 TO-15 103-65-1 PROPYLBENZENE 0.78 U 0.17 0.78 UG/M3 0.78 U EPD-WA-06-050823 TO-15 100-42-5 STYRENE 0.68 U 0.098 0.68 UG/M3 0.68 U EPD-WA-06-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.3 u 0.38 2.3 UG/M3 2.3 u EPD-WA-06-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.72 u 0.18 0.72 UG/M3 0.72 u EPD-WA-06-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF Page 15 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-06-050823 TO-15 106-97-8 BUTANE 0.80 NJ PPBV 0.80 NJ EPD-WA-06-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-06-050823 TO-15 75-37-6 ETHANE, 1,1-DIFLUORO- 91 NJ PPBV 91 NJ EPD-WA-06-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.015 0.17 UG/M3 0.17 U EPD-WA-06-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.22 U 0.053 0.22 UG/M3 0.22 U EPD-WA-06-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.020 0.17 UG/M3 0.17 U EPD-WA-06-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.13 U 0.013 0.13 UG/M3 0.13 U EPD-WA-06-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.063 U 0.016 0.063 UG/M3 0.063 U EPD-WA-06-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.033 0.24 UG/M3 0.24 U EPD-WA-06-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.079 J 0.015 0.13 UG/M3 0.079 J EPD-WA-06-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.082 0.19 UG/M3 0.19 U EPD-WA-06-050823 TO-15 SIM 71-43-2 BENZENE 0.56 0.025 0.25 UG/M3 0.56 EPD-WA-06-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.014 0.20 UG/M3 0.44 EPD-WA-06-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.21 U 0.011 0.21 UG/M3 0.21 U EPD-WA-06-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.081 J 0.017 0.16 UG/M3 0.081 J EPD-WA-06-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.77 J 0.200 1.6 UG/M3 0.77 J EPD-WA-06-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.13 U 0.016 0.13 UG/M3 0.13 U EPD-WA-06-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.02 0.14 UG/M3 0.11 J EPD-WA-06-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.024 0.22 UG/M3 0.10 J EPD-WA-06-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.016 0.39 UG/M3 2.1 EPD-WA-06-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.38 0.027 0.28 UG/M3 0.38 EPD-WA-06-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.57 U 0.011 0.57 UG/M3 0.57 U EPD-WA-06-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.21 J 0.12 0.42 UG/M3 0.21 J EPD-WA-06-050823 TO-15 SIM 95-47-6 O-XYLENE 0.14 0.023 0.14 UG/M3 0.14 EPD-WA-06-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.068 J 0.031 0.22 UG/M3 0.068 J EPD-WA-06-050823 TO-15 SIM 108-88-3 TOLUENE 0.81 0.021 0.30 UG/M3 0.81 EPD-WA-06-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.44 J 0.0094 0.63 UG/M3 0.44 J EPD-WA-06-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.035 J 0.028 0.17 UG/M3 0.035 J EPD-WA-06-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.028 J 0.011 0.041 UG/M3 0.028 J EPD-WA-55-050823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.5 U 1.6 6.5 UG/M3 6.5 U EPD-WA-55-050823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.86 U 0.26 0.86 UG/M3 0.86 U EPD-WA-55-050823 TO-15 95-50-1 1,2-DICHLOROBENZENE 1.0 U 0.12 1.0 UG/M3 1.0 U EPD-WA-55-050823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.81 U 0.13 0.81 UG/M3 0.81 U EPD-WA-55-050823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.86 U 0.17 0.86 UG/M3 0.86 U Page 16 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-55-050823 TO-15 106-99-0 1,3-BUTADIENE 0.39 U 0.038 0.39 UG/M3 0.39 U EPD-WA-55-050823 TO-15 541-73-1 1,3-DICHLOROBENZENE 1.0 U 0.12 1.0 UG/M3 1.0 U EPD-WA-55-050823 TO-15 123-91-1 1,4-DIOXANE 0.63 U 0.10 0.63 UG/M3 0.63 U EPD-WA-55-050823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 4.10 U 0.66 4.1 UG/M3 4.1 U EPD-WA-55-050823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.6 U 0.40 2.6 UG/M3 2.6 U EPD-WA-55-050823 TO-15 591-78-6 2-HEXANONE 3.6 U 0.56 3.6 UG/M3 3.6 U EPD-WA-55-050823 TO-15 67-63-0 2-PROPANOL 8.6 U 0.48 8.6 UG/M3 8.6 U EPD-WA-55-050823 TO-15 107-05-1 3-CHLOROPROPENE 2.7 U 0.54 2.7 UG/M3 2.7 U EPD-WA-55-050823 TO-15 622-96-8 4-ETHYLTOLUENE 0.86 U 0.17 0.86 UG/M3 0.86 U EPD-WA-55-050823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.72 U 0.26 0.72 UG/M3 0.72 U EPD-WA-55-050823 TO-15 67-64-1 ACETONE 8.9 0.95 8.3 UG/M3 8.9 EPD-WA-55-050823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.9 U 0.17 0.90 UG/M3 0.90 U EPD-WA-55-050823 TO-15 75-27-4 BROMODICHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-55-050823 TO-15 75-25-2 BROMOFORM 1.8 U 0.50 1.8 UG/M3 1.8 U EPD-WA-55-050823 TO-15 74-83-9 BROMOMETHANE 34 U 0.98 34 UG/M3 34 U EPD-WA-55-050823 TO-15 75-15-0 CARBON DISULFIDE 2.7 U 0.78 2.7 UG/M3 2.7 U EPD-WA-55-050823 TO-15 108-90-7 CHLOROBENZENE 0.80 U 0.063 0.80 UG/M3 0.80 U EPD-WA-55-050823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.79 U 0.16 0.79 UG/M3 0.79 U EPD-WA-55-050823 TO-15 98-82-8 CUMENE 0.86 U 0.11 0.86 UG/M3 0.86 U EPD-WA-55-050823 TO-15 110-82-7 CYCLOHEXANE 3.0 U 0.29 3.00 UG/M3 3.0 U EPD-WA-55-050823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.5 U 0.26 1.5 UG/M3 1.5 U EPD-WA-55-050823 TO-15 64-17-5 ETHANOL 2.3 J 0.80 20 UG/M3 2.3 J EPD-WA-55-050823 TO-15 75-69-4 FREON 11 1.2 0.078 0.98 UG/M3 1.2 EPD-WA-55-050823 TO-15 76-13-1 FREON 113 0.42 J 0.23 1.3 UG/M3 0.42 J EPD-WA-55-050823 TO-15 142-82-5 HEPTANE 3.6 U 0.44 3.6 UG/M3 3.6 U EPD-WA-55-050823 TO-15 87-68-3 H EXACH LO RO B UTADIENE 9.3 U 0.93 9.3 UG/M3 9.3 U EPD-WA-55-050823 TO-15 110-54-3 HEXANE 3.1 U 0.48 3.1 UG/M3 3.1 U EPD-WA-55-050823 TO-15 75-09-2 METHYLENE CHLORIDE 0.93 J 0.69 1.2 UG/M3 0.93 J EPD-WA-55-050823 TO-15 103-65-1 PROPYLBENZENE 0.86 u 0.19 0.86 UG/M3 0.86 u EPD-WA-55-050823 TO-15 100-42-5 STYRENE 0.74 u 0.11 0.74 UG/M3 0.74 u EPD-WA-55-050823 TO-15 109-99-9 TETRAHYDROFURAN 2.6 u 0.42 2.6 UG/M3 2.6 u EPD-WA-55-050823 TO-15 10061-02-6 TRANS-1,3-DICHLOROPROPENE 0.79 u 0.20 0.79 UG/M3 0.79 u EPD-WA-55-050823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF EPD-WA-55-050823 TO-15 106-97-8 BUTANE 0.90 NJ PPBV 0.90 NJ Page 17 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305174 SampleJD Method CAS# Analyte Lab_ Result Lab_Qual MDL RL Units VAL_ Result VAL_Qual EPD-WA-55-050823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-55-050823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.19 U 0.016 0.19 UG/M3 0.19 U EPD-WA-55-050823 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.24 U 0.058 0.24 UG/M3 0.24 U EPD-WA-55-050823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.19 U 0.022 0.19 UG/M3 0.19 U EPD-WA-55-050823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.14 U 0.014 0.14 UG/M3 0.14 U EPD-WA-55-050823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.069 U 0.018 0.069 UG/M3 0.069 U EPD-WA-55-050823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.27 U 0.037 0.27 UG/M3 0.27 U EPD-WA-55-050823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.070 J 0.016 0.14 UG/M3 0.070 J EPD-WA-55-050823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.21 U 0.090 0.21 UG/M3 0.21 U EPD-WA-55-050823 TO-15 SIM 71-43-2 BENZENE 0.40 0.027 0.28 UG/M3 0.40 EPD-WA-55-050823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.016 0.22 UG/M3 0.44 EPD-WA-55-050823 TO-15 SIM 75-00-3 CHLOROETHANE 0.23 U 0.012 0.23 UG/M3 0.23 U EPD-WA-55-050823 TO-15 SIM 67-66-3 CHLOROFORM 0.081 J 0.018 0.17 UG/M3 0.081 J EPD-WA-55-050823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.78 J 0.22 1.8 UG/M3 0.78 J EPD-WA-55-050823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.14 U 0.018 0.14 UG/M3 0.14 U EPD-WA-55-050823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 J 0.023 0.15 UG/M3 0.12 J EPD-WA-55-050823 TO-15 SIM 76-14-2 FREON 114 0.10 J 0.026 0.24 UG/M3 0.10 J EPD-WA-55-050823 TO-15 SIM 75-71-8 FREON 12 2.1 0.017 0.43 UG/M3 2.1 EPD-WA-55-050823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.42 0.030 0.30 UG/M3 0.42 EPD-WA-55-050823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.63 U 0.012 0.63 UG/M3 0.63 U EPD-WA-55-050823 TO-15 SIM 91-20-3 NAPHTHALENE 0.92 0.13 0.46 UG/M3 0.92 EPD-WA-55-050823 TO-15 SIM 95-47-6 O-XYLENE 0.18 0.026 0.15 UG/M3 0.18 EPD-WA-55-050823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.056 J 0.034 0.24 UG/M3 0.056 J EPD-WA-55-050823 TO-15 SIM 108-88-3 TOLUENE 1.1 0.023 0.33 UG/M3 1.1 EPD-WA-55-050823 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.47 J 0.010 0.69 UG/M3 0.47 J EPD-WA-55-050823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.19 U 0.030 0.19 UG/M3 0.19 U EPD-WA-55-050823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.045 U 0.012 0.045 UG/M3 0.045 U Page 18 of 18 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 1860d Laboratory Report No. 2305209 Laboratory Eurofins Air Toxics, LLC, Folsom CA Analyses Volatile organic compounds (VOCs) by EPA Method TO-15 in scan anc selected ion monitoring (SIM) modes Samples and Matrix Nine air samples, including one field duplicate Collection Date(s) 05/09/2023 Field Duplicate Pairs EPD-WA-06-050923/EPD-WA-66-050923 Field QC Blanks None INTRODUCTION This checklist summarizes the Stage 2A validation performed on the subject laboratory report, in accordance with the U.S. Environmental Protection Agency (EPA) Guidance for Labeling Externally Validated Laboratory Analytical Data for Superfund Use (January 2009). Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), and the EPA National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). OVERALL EVALUATION No rejection of results was required for this data package. The results may be used as qualified based on the findings of this validation effort. Data completeness: Within Criteria Exceedance/Notes Y Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) were not provided in the Level II laboratory report. The lab provided the RPDs separately. No qualifications were applied. TETRA TECH Page 1 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes Y The canister receipt vacuum/pressures values in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that the all values are negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums are recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures are recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes Y TO-15 scan (2305209-10A): Alpha-Chlorotoluene was detected in the method blank at a level between the method detection limit (MDL) and reporting limit (RL). The alpha-chlorotoluene results in all samples were non-detect, therefore no qualifications were applied. TO-15 SIM (2305209-10B): 1,1,2,2-Tetrachloroethane was detected in the method blank at a level between the MDL and RL. The 1,1,2,2-tetrachloroethane results in all samples were non-detect, therefore no qualifications were applied. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y H , TETRA TECH Page 2 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT MS/MSDs: Within Criteria Exceedance/Notes NA Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes Y LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factor for: • EPD-DW-E-058723 was 1.42. • EPD-WA-04-050823 was 1.48. • EPD-UW-A-050823 was 1.48. • EPD-WA-05-050823 was 1.48. • EPD-WA-01-050823 was 1.55. • EPD-WA-06-050823 was 1.55. • EPD-WA-02-050823 was 1.48. • EPD-WA-66-050823 was 1.59. • EPD-WA-03-050823 was 1.39. TETRA TECH Page 3 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA MDLs/RLs: Within Criteria Exceedance/Notes Y Detections between the MDL and RL were reported and qualified as estimated (flagged J) by the laboratory. Tentatively identified compounds: Within Criteria Exceedance/Notes Y Tentatively identified compounds (TICs) were detected in all samples. The known TICs were qualified as tentatively identified (flagged NJ). The unknown TICs were qualified as estimated (flagged J). 2-Ethyl-l-hexanol and butyl acrylate in all samples were reported as not detected and qualified as manually searched for, but not found in the sample (flagged U,NF). Other [None]: Within Criteria Exceedance/Notes NA TETRA TECH Page 4 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Overall Qualifications: See results summary pages attached for changes to the laboratory qualifiers based upon this validation. The following is a list of qualifiers and definitions that may be used for the validation of this data package: J The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample. J+ The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased high. J- The analyte was positively identified; the associated value is the approximate concentration of the analyte in the sample and may be biased low. NJ The analysis indicates the presence of an analyte that has been "tentatively identified" and the associated value is the approximate concentration of the analyte in the sample. NF The tentatively identified compound was manually searched for but was not found in the sample. R The sample result is rejected as unusable due to serious deficiencies in one or more quality control criteria. The analyte may or may not be present in the sample. U The analyte was analyzed for, but was not detected at or above the associated value (reporting limit). UJ The analyte was analyzed for, but was not detected at or above the associated value (reporting limit), which is considered approximate due to deficiencies in one or more quality control criteria. TETRA TECH Page 5 of 5 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-E-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.31 5.3 UG/M3 5.3 U EPD-DW-E-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.12 J 0.090 0.70 UG/M3 0.12 J EPD-DW-E-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.85 U 0.12 0.85 UG/M3 0.85 U EPD-DW-E-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.094 0.66 UG/M3 0.66 U EPD-DW-E-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.70 U 0.11 0.70 UG/M3 0.70 U EPD-DW-E-050923 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.071 0.31 UG/M3 0.31 U EPD-DW-E-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.85 U 0.16 0.85 UG/M3 0.85 U EPD-DW-E-050923 TO-15 123-91-1 1,4-DIOXANE 0.51 U 0.15 0.51 UG/M3 0.51 U EPD-DW-E-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.15 J 0.15 3.3 UG/M3 0.15 J EPD-DW-E-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.46 J 0.22 2.1 UG/M3 0.46 J EPD-DW-E-050923 TO-15 591-78-6 2-HEXANONE 2.9 U 0.42 2.9 UG/M3 2.9 U EPD-DW-E-050923 TO-15 67-63-0 2-PROPANOL 0.26 J 0.20 7.0 UG/M3 0.26 J EPD-DW-E-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.25 2.2 UG/M3 2.2 U EPD-DW-E-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.70 U 0.13 0.70 UG/M3 0.70 U EPD-DW-E-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.58 U 0.092 0.58 UG/M3 0.58 U EPD-DW-E-050923 TO-15 67-64-1 ACETONE 5.2 J 0.68 6.7 UG/M3 5.2 J EPD-DW-E-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.11 0.74 UG/M3 0.74 U EPD-DW-E-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.95 U 0.094 0.95 UG/M3 0.95 U EPD-DW-E-050923 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-DW-E-050923 TO-15 74-83-9 BROMOMETHANE 28 U 0.82 28 UG/M3 28 U EPD-DW-E-050923 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.33 2.2 UG/M3 2.2 U EPD-DW-E-050923 TO-15 108-90-7 CHLOROBENZENE 0.65 U 0.066 0.65 UG/M3 0.65 U EPD-DW-E-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.64 U 0.094 0.64 UG/M3 0.64 U EPD-DW-E-050923 TO-15 98-82-8 CUMENE 0.70 U 0.15 0.70 UG/M3 0.70 U EPD-DW-E-050923 TO-15 110-82-7 CYCLOHEXANE 0.15 J 0.11 2.4 UG/M3 0.15 J EPD-DW-E-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.19 1.2 UG/M3 1.2 U EPD-DW-E-050923 TO-15 64-17-5 ETHANOL 2.2 J 0.47 5.4 UG/M3 2.2 J EPD-DW-E-050923 TO-15 75-69-4 FREON 11 0.92 0.090 0.80 UG/M3 0.92 EPD-DW-E-050923 TO-15 76-13-1 FREON 113 0.42 J 0.16 1.1 UG/M3 0.42 J EPD-DW-E-050923 TO-15 142-82-5 HEPTANE 0.16 J 0.070 2.9 UG/M3 0.16 J EPD-DW-E-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.6 U 0.086 7.6 UG/M3 7.6 U EPD-DW-E-050923 TO-15 110-54-3 HEXANE 0.29 J 0.075 2.5 UG/M3 0.29 J EPD-DW-E-050923 TO-15 75-09-2 METHYLENE CHLORIDE 0.99 U 0.57 0.99 UG/M3 0.99 U EPD-DW-E-050923 TO-15 103-65-1 PROPYLBENZENE 0.70 U 0.12 0.70 UG/M3 0.70 U Page 1 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-E-050923 TO-15 100-42-5 STYRENE 0.60 U 0.14 0.60 UG/M3 0.60 U EPD-DW-E-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.67 2.1 UG/M3 2.1 U EPD-DW-E-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.64 U 0.088 0.64 UG/M3 0.64 U EPD-DW-E-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-DW-E-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-DW-E-050923 TO-15 66-25-1 HEXANAL 1.0 NJ PPBV 1.0 NJ EPD-DW-E-050923 TO-15 124-19-6 NONANAL 1.0 NJ PPBV 1.0 NJ EPD-DW-E-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.014 0.15 UG/M3 0.15 U EPD-DW-E-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.19 U 0.020 0.19 UG/M3 0.19 U EPD-DW-E-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.022 0.15 UG/M3 0.15 U EPD-DW-E-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.010 0.11 UG/M3 0.11 U EPD-DW-E-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.056 U 0.015 0.056 UG/M3 0.056 U EPD-DW-E-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.15 0.22 UG/M3 0.22 U EPD-DW-E-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.063 J 0.033 0.11 UG/M3 0.063 J EPD-DW-E-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.13 0.17 UG/M3 0.17 U EPD-DW-E-050923 TO-15 SIM 71-43-2 BENZENE 0.35 0.028 0.23 UG/M3 0.35 EPD-DW-E-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.40 0.049 0.18 UG/M3 0.40 EPD-DW-E-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.008 0.19 UG/M3 0.19 U EPD-DW-E-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.068 J 0.013 0.14 UG/M3 0.068 J EPD-DW-E-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.71 J 0.22 1.5 UG/M3 0.71 J EPD-DW-E-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.030 0.11 UG/M3 0.11 U EPD-DW-E-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.10 J 0.018 0.12 UG/M3 0.10 J EPD-DW-E-050923 TO-15 SIM 76-14-2 FREON 114 0.094 J 0.011 0.20 UG/M3 0.094 J EPD-DW-E-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.028 0.35 UG/M3 1.8 EPD-DW-E-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.32 0.032 0.25 UG/M3 0.32 EPD-DW-E-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.51 U 0.018 0.51 UG/M3 0.51 U EPD-DW-E-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.057 J 0.046 0.37 UG/M3 0.057 J EPD-DW-E-050923 TO-15 SIM 95-47-6 O-XYLENE 0.12 0.023 0.12 UG/M3 0.12 EPD-DW-E-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.062 J 0.014 0.19 UG/M3 0.062 J EPD-DW-E-050923 TO-15 SIM 108-88-3 TOLUENE 0.74 0.016 0.27 UG/M3 0.74 EPD-DW-E-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.56 U 0.026 0.56 UG/M3 0.56 U EPD-DW-E-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.041 J 0.028 0.15 UG/M3 0.041 J EPD-DW-E-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.14 0.014 0.036 UG/M3 0.14 EPD-UW-A-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 0.32 5.5 UG/M3 5.5 U Page 2 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-A-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.73 U 0.094 0.73 UG/M3 0.73 U EPD-UW-A-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.12 0.89 UG/M3 0.89 U EPD-UW-A-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.098 0.68 UG/M3 0.68 U EPD-UW-A-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-UW-A-050923 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.074 0.33 UG/M3 0.33 U EPD-UW-A-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.17 0.89 UG/M3 0.89 U EPD-UW-A-050923 TO-15 123-91-1 1,4-DIOXANE 0.18 J 0.16 0.53 UG/M3 0.18 J EPD-UW-A-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.16 3.4 UG/M3 3.4 U EPD-UW-A-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.46 J 0.23 2.2 UG/M3 0.46 J EPD-UW-A-050923 TO-15 591-78-6 2-HEXANONE 3.0 U 0.44 3.0 UG/M3 3.0 U EPD-UW-A-050923 TO-15 67-63-0 2-PROPANOL 0.29 J 0.20 7.3 UG/M3 0.29 J EPD-UW-A-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.26 2.3 UG/M3 2.3 U EPD-UW-A-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.13 0.73 UG/M3 0.73 U EPD-UW-A-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.095 0.61 UG/M3 0.61 U EPD-UW-A-050923 TO-15 67-64-1 ACETONE 4.5 J 0.71 7.0 UG/M3 4.5 J EPD-UW-A-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.11 0.77 UG/M3 0.77 U EPD-UW-A-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.098 0.99 UG/M3 0.99 U EPD-UW-A-050923 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-UW-A-050923 TO-15 74-83-9 BROMOMETHANE 29 U 0.85 29 UG/M3 29 U EPD-UW-A-050923 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.35 2.3 UG/M3 2.3 U EPD-UW-A-050923 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.069 0.68 UG/M3 0.68 U EPD-UW-A-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.098 0.67 UG/M3 0.67 U EPD-UW-A-050923 TO-15 98-82-8 CUMENE 0.73 U 0.16 0.73 UG/M3 0.73 U EPD-UW-A-050923 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.11 2.5 UG/M3 2.5 U EPD-UW-A-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.20 1.3 UG/M3 1.3 U EPD-UW-A-050923 TO-15 64-17-5 ETHANOL 1.6 J 0.49 5.6 UG/M3 1.6 J EPD-UW-A-050923 TO-15 75-69-4 FREON 11 0.92 0.093 0.83 UG/M3 0.92 EPD-UW-A-050923 TO-15 76-13-1 FREON 113 0.43 J 0.17 1.1 UG/M3 0.43 J EPD-UW-A-050923 TO-15 142-82-5 HEPTANE 3.0 U 0.073 3.0 UG/M3 3.0 U EPD-UW-A-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 U 0.090 7.9 UG/M3 7.9 U EPD-UW-A-050923 TO-15 110-54-3 HEXANE 0.13 J 0.078 2.6 UG/M3 0.13 J EPD-UW-A-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.60 1.0 UG/M3 1.0 U EPD-UW-A-050923 TO-15 103-65-1 PROPYLBENZENE 0.73 u 0.12 0.73 UG/M3 0.73 u EPD-UW-A-050923 TO-15 100-42-5 STYRENE 0.63 u 0.15 0.63 UG/M3 0.63 u Page 3 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-A-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.70 2.2 UG/M3 2.2 U EPD-UW-A-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.092 0.67 UG/M3 0.67 U EPD-UW-A-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-UW-A-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-UW-A-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-UW-A-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.021 0.20 UG/M3 0.20 U EPD-UW-A-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.023 0.16 UG/M3 0.16 U EPD-UW-A-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.010 0.12 UG/M3 0.12 U EPD-UW-A-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.016 0.059 UG/M3 0.059 U EPD-UW-A-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.15 0.23 UG/M3 0.23 U EPD-UW-A-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.062 J 0.035 0.12 UG/M3 0.062 J EPD-UW-A-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.14 0.18 UG/M3 0.18 U EPD-UW-A-050923 TO-15 SIM 71-43-2 BENZENE 0.22 J 0.029 0.24 UG/M3 0.22 J EPD-UW-A-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.39 0.051 0.19 UG/M3 0.39 EPD-UW-A-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0084 0.20 UG/M3 0.20 U EPD-UW-A-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.061 J 0.014 0.14 UG/M3 0.061 J EPD-UW-A-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.23 1.5 UG/M3 0.73 J EPD-UW-A-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.032 0.12 UG/M3 0.12 U EPD-UW-A-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.059 J 0.019 0.13 UG/M3 0.059 J EPD-UW-A-050923 TO-15 SIM 76-14-2 FREON 114 0.098 J 0.011 0.21 UG/M3 0.098 J EPD-UW-A-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.029 0.36 UG/M3 1.8 EPD-UW-A-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.16 J 0.033 0.26 UG/M3 0.16 J EPD-UW-A-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.019 0.53 UG/M3 0.53 U EPD-UW-A-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.39 U 0.048 0.39 UG/M3 0.39 U EPD-UW-A-050923 TO-15 SIM 95-47-6 O-XYLENE 0.064 J 0.024 0.13 UG/M3 0.064 J EPD-UW-A-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.050 J 0.014 0.20 UG/M3 0.050 J EPD-UW-A-050923 TO-15 SIM 108-88-3 TOLUENE 0.37 0.017 0.28 UG/M3 0.37 EPD-UW-A-050923 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.59 U 0.027 0.59 UG/M3 0.59 U EPD-UW-A-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.040 J 0.030 0.16 UG/M3 0.040 J EPD-UW-A-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.14 0.015 0.038 UG/M3 0.14 EPD-WA-01-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.8 U 0.34 5.8 UG/M3 5.8 U EPD-WA-01-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.17 J 0.099 0.76 UG/M3 0.17 J EPD-WA-01-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.93 U 0.13 0.93 UG/M3 0.93 U EPD-WA-01-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.72 U 0.10 0.72 UG/M3 0.72 u Page 4 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.76 U 0.12 0.76 UG/M3 0.76 U EPD-WA-01-050923 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.078 0.34 UG/M3 0.34 U EPD-WA-01-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.93 U 0.18 0.93 UG/M3 0.93 U EPD-WA-01-050923 TO-15 123-91-1 1,4-DIOXANE 0.56 U 0.16 0.56 UG/M3 0.56 U EPD-WA-01-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.17 J 0.16 3.6 UG/M3 0.17 J EPD-WA-01-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.52 J 0.24 2.3 UG/M3 0.52 J EPD-WA-01-050923 TO-15 591-78-6 2-HEXANONE 3.2 U 0.46 3.2 UG/M3 3.2 U EPD-WA-01-050923 TO-15 67-63-0 2-PROPANOL 0.46 J 0.21 7.6 UG/M3 0.46 J EPD-WA-01-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.27 2.4 UG/M3 2.4 U EPD-WA-01-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.16 J 0.14 0.76 UG/M3 0.16 J EPD-WA-01-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.63 U 0.10 0.63 UG/M3 0.63 U EPD-WA-01-050923 TO-15 67-64-1 ACETONE 7.3 J 0.75 7.4 UG/M3 7.3 J EPD-WA-01-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.80 U 0.12 0.80 UG/M3 0.80 U EPD-WA-01-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.10 1.0 UG/M3 1.0 U EPD-WA-01-050923 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-WA-01-050923 TO-15 74-83-9 BROMOMETHANE 30 U 0.89 30 UG/M3 30 U EPD-WA-01-050923 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.36 2.4 UG/M3 2.4 U EPD-WA-01-050923 TO-15 108-90-7 CHLOROBENZENE 0.71 U 0.072 0.71 UG/M3 0.71 U EPD-WA-01-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.70 U 0.10 0.70 UG/M3 0.70 U EPD-WA-01-050923 TO-15 98-82-8 CUMENE 0.76 U 0.17 0.76 UG/M3 0.76 U EPD-WA-01-050923 TO-15 110-82-7 CYCLOHEXANE 2.7 U 0.12 2.7 UG/M3 2.7 U EPD-WA-01-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.21 1.3 UG/M3 1.3 U EPD-WA-01-050923 TO-15 64-17-5 ETHANOL 2.7 J 0.51 5.8 UG/M3 2.7 J EPD-WA-01-050923 TO-15 75-69-4 FREON 11 0.90 0.098 0.87 UG/M3 0.90 EPD-WA-01-050923 TO-15 76-13-1 FREON 113 0.42 J 0.18 1.2 UG/M3 0.42 J EPD-WA-01-050923 TO-15 142-82-5 HEPTANE 0.22 J 0.076 3.2 UG/M3 0.22 J EPD-WA-01-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.3 U 0.094 8.3 UG/M3 8.3 U EPD-WA-01-050923 TO-15 110-54-3 HEXANE 0.54 J 0.082 2.7 UG/M3 0.54 J EPD-WA-01-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.1 U 0.62 1.1 UG/M3 1.1 U EPD-WA-01-050923 TO-15 103-65-1 PROPYLBENZENE 0.76 U 0.13 0.76 UG/M3 0.76 U EPD-WA-01-050923 TO-15 100-42-5 STYRENE 0.66 U 0.16 0.66 UG/M3 0.66 U EPD-WA-01-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.3 U 0.73 2.3 UG/M3 2.3 U EPD-WA-01-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.70 u 0.096 0.70 UG/M3 0.70 u EPD-WA-01-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF Page 5 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-050923 TO-15 106-97-8 BUTANE 1.6 NJ PPBV 1.6 NJ EPD-WA-01-050923 TO-15 78-78-4 BUTANE, 2-METHYL- 1.7 NJ PPBV 1.7 NJ EPD-WA-01-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-01-050923 TO-15 109-66-0 PENTANE 0.96 NJ PPBV 0.96 NJ EPD-WA-01-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.015 0.17 UG/M3 0.17 U EPD-WA-01-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 U 0.022 0.21 UG/M3 0.21 U EPD-WA-01-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.024 0.17 UG/M3 0.17 U EPD-WA-01-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-01-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.016 0.061 UG/M3 0.061 U EPD-WA-01-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.16 0.24 UG/M3 0.24 U EPD-WA-01-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.06 J 0.036 0.12 UG/M3 0.060 J EPD-WA-01-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.15 0.19 UG/M3 0.19 U EPD-WA-01-050923 TO-15 SIM 71-43-2 BENZENE 0.46 0.030 0.25 UG/M3 0.46 EPD-WA-01-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.38 0.053 0.20 UG/M3 0.38 EPD-WA-01-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0088 0.20 UG/M3 0.20 U EPD-WA-01-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.061 J 0.014 0.15 UG/M3 0.061 J EPD-WA-01-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.24 1.6 UG/M3 0.73 J EPD-WA-01-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.033 0.12 UG/M3 0.12 U EPD-WA-01-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 J 0.020 0.13 UG/M3 0.12 J EPD-WA-01-050923 TO-15 SIM 76-14-2 FREON 114 0.093 J 0.012 0.22 UG/M3 0.093 J EPD-WA-01-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.030 0.38 UG/M3 1.8 EPD-WA-01-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.38 0.035 0.27 UG/M3 0.38 EPD-WA-01-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.56 U 0.020 0.56 UG/M3 0.56 U EPD-WA-01-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.11 J 0.051 0.41 UG/M3 0.11 J EPD-WA-01-050923 TO-15 SIM 95-47-6 O-XYLENE 0.14 0.026 0.13 UG/M3 0.14 EPD-WA-01-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.043 J 0.015 0.21 UG/M3 0.043 J EPD-WA-01-050923 TO-15 SIM 108-88-3 TOLUENE 0.92 0.018 0.29 UG/M3 0.92 EPD-WA-01-050923 TO-15 SIM 156-60-5 TRANS-1,2-DICHLOROETHENE 0.85 0.028 0.61 UG/M3 0.85 EPD-WA-01-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.038 J 0.031 0.17 UG/M3 0.038 J EPD-WA-01-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.89 0.016 0.04 UG/M3 0.89 EPD-WA-02-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 0.32 5.5 UG/M3 5.5 U EPD-WA-02-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.14 J 0.094 0.73 UG/M3 0.14 J EPD-WA-02-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.12 0.89 UG/M3 0.89 U EPD-WA-02-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.098 0.68 UG/M3 0.68 U Page 6 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-WA-02-050923 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.074 0.33 UG/M3 0.33 U EPD-WA-02-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.17 0.89 UG/M3 0.89 U EPD-WA-02-050923 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.16 0.53 UG/M3 0.53 U EPD-WA-02-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.16 3.4 UG/M3 3.4 U EPD-WA-02-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.40 J 0.23 2.2 UG/M3 0.40 J EPD-WA-02-050923 TO-15 591-78-6 2-HEXANONE 3.0 U 0.44 3.0 UG/M3 3.0 U EPD-WA-02-050923 TO-15 67-63-0 2-PROPANOL 0.26 J 0.20 7.3 UG/M3 0.26 J EPD-WA-02-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.26 2.3 UG/M3 2.3 U EPD-WA-02-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.14 J 0.13 0.73 UG/M3 0.14 J EPD-WA-02-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.095 0.61 UG/M3 0.61 U EPD-WA-02-050923 TO-15 67-64-1 ACETONE 4.5 J 0.71 7.0 UG/M3 4.5 J EPD-WA-02-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.11 0.77 UG/M3 0.77 U EPD-WA-02-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.098 0.99 UG/M3 0.99 U EPD-WA-02-050923 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-WA-02-050923 TO-15 74-83-9 BROMOMETHANE 29 U 0.85 29 UG/M3 29 U EPD-WA-02-050923 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.35 2.3 UG/M3 2.3 U EPD-WA-02-050923 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.069 0.68 UG/M3 0.68 U EPD-WA-02-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.098 0.67 UG/M3 0.67 U EPD-WA-02-050923 TO-15 98-82-8 CUMENE 0.73 U 0.16 0.73 UG/M3 0.73 U EPD-WA-02-050923 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.11 2.5 UG/M3 2.5 U EPD-WA-02-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.20 1.3 UG/M3 1.3 U EPD-WA-02-050923 TO-15 64-17-5 ETHANOL 2.3 J 0.49 5.6 UG/M3 2.3 J EPD-WA-02-050923 TO-15 75-69-4 FREON 11 0.88 0.093 0.83 UG/M3 0.88 EPD-WA-02-050923 TO-15 76-13-1 FREON 113 0.39 J 0.17 1.1 UG/M3 0.39 J EPD-WA-02-050923 TO-15 142-82-5 HEPTANE 0.19 J 0.073 3.0 UG/M3 0.19 J EPD-WA-02-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 U 0.090 7.9 UG/M3 7.9 U EPD-WA-02-050923 TO-15 110-54-3 HEXANE 0.28 J 0.078 2.6 UG/M3 0.28 J EPD-WA-02-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.60 1.0 UG/M3 1.0 U EPD-WA-02-050923 TO-15 103-65-1 PROPYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-WA-02-050923 TO-15 100-42-5 STYRENE 0.63 U 0.15 0.63 UG/M3 0.63 U EPD-WA-02-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.70 2.2 UG/M3 2.2 U EPD-WA-02-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 u 0.092 0.67 UG/M3 0.67 u EPD-WA-02-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF Page 7 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-02-050923 TO-15 1066-40-6 SILANOL, TRIMETHYL- 1.2 NJ PPBV 1.2 NJ EPD-WA-02-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-02-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.021 0.20 UG/M3 0.20 U EPD-WA-02-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.023 0.16 UG/M3 0.16 U EPD-WA-02-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.010 0.12 UG/M3 0.12 U EPD-WA-02-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.016 0.059 UG/M3 0.059 U EPD-WA-02-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.15 0.23 UG/M3 0.23 U EPD-WA-02-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.062 J 0.035 0.12 UG/M3 0.062 J EPD-WA-02-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.14 0.18 UG/M3 0.18 U EPD-WA-02-050923 TO-15 SIM 71-43-2 BENZENE 0.36 0.029 0.24 UG/M3 0.36 EPD-WA-02-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.38 0.051 0.19 UG/M3 0.38 EPD-WA-02-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0084 0.20 UG/M3 0.20 U EPD-WA-02-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.059 J 0.014 0.14 UG/M3 0.059 J EPD-WA-02-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.74 J 0.23 1.5 UG/M3 0.74 J EPD-WA-02-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.032 0.12 UG/M3 0.12 U EPD-WA-02-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.019 0.13 UG/M3 0.11 J EPD-WA-02-050923 TO-15 SIM 76-14-2 FREON 114 0.092 J 0.011 0.21 UG/M3 0.092 J EPD-WA-02-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.029 0.36 UG/M3 1.8 EPD-WA-02-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.33 0.033 0.26 UG/M3 0.33 EPD-WA-02-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.019 0.53 UG/M3 0.53 U EPD-WA-02-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.090 J 0.048 0.39 UG/M3 0.090 J EPD-WA-02-050923 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.024 0.13 UG/M3 0.13 EPD-WA-02-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.046 J 0.014 0.20 UG/M3 0.046 J EPD-WA-02-050923 TO-15 SIM 108-88-3 TOLUENE 0.67 0.017 0.28 UG/M3 0.67 EPD-WA-02-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.59 U 0.027 0.59 UG/M3 0.59 U EPD-WA-02-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.040 J 0.030 0.16 UG/M3 0.040 J EPD-WA-02-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.42 0.015 0.038 UG/M3 0.42 EPD-WA-03-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.2 U 0.30 5.2 UG/M3 5.2 U EPD-WA-03-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.23 J 0.088 0.68 UG/M3 0.23 J EPD-WA-03-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.84 U 0.12 0.84 UG/M3 0.84 U EPD-WA-03-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.64 U 0.092 0.64 UG/M3 0.64 U EPD-WA-03-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.68 U 0.11 0.68 UG/M3 0.68 U EPD-WA-03-050923 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.07 0.31 UG/M3 0.31 U Page 8 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.84 U 0.16 0.84 UG/M3 0.84 U EPD-WA-03-050923 TO-15 123-91-1 1,4-DIOXANE 0.50 U 0.15 0.50 UG/M3 0.50 U EPD-WA-03-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.15 3.2 UG/M3 3.2 U EPD-WA-03-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.5 J 0.22 2.0 UG/M3 1.5 J EPD-WA-03-050923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.41 2.8 UG/M3 2.8 U EPD-WA-03-050923 TO-15 67-63-0 2-PROPANOL 0.36 J 0.19 6.8 UG/M3 0.36 J EPD-WA-03-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.24 2.2 UG/M3 2.2 U EPD-WA-03-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.18 J 0.13 0.68 UG/M3 0.18 J EPD-WA-03-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.31 J 0.090 0.57 UG/M3 0.31 J EPD-WA-03-050923 TO-15 67-64-1 ACETONE 6.9 0.67 6.6 UG/M3 6.9 EPD-WA-03-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.72 U 0.11 0.72 UG/M3 0.72 U EPD-WA-03-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.93 U 0.092 0.93 UG/M3 0.93 U EPD-WA-03-050923 TO-15 75-25-2 BROMOFORM 1.4 U 0.14 1.4 UG/M3 1.4 U EPD-WA-03-050923 TO-15 74-83-9 BROMOMETHANE 27 U 0.80 27 UG/M3 27 U EPD-WA-03-050923 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.33 2.2 UG/M3 2.2 U EPD-WA-03-050923 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.064 0.64 UG/M3 0.64 U EPD-WA-03-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.63 U 0.092 0.63 UG/M3 0.63 U EPD-WA-03-050923 TO-15 98-82-8 CUMENE 0.68 U 0.15 0.68 UG/M3 0.68 U EPD-WA-03-050923 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.11 2.4 UG/M3 2.4 U EPD-WA-03-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.19 1.2 UG/M3 1.2 U EPD-WA-03-050923 TO-15 64-17-5 ETHANOL 1.9 J 0.46 5.2 UG/M3 1.9 J EPD-WA-03-050923 TO-15 75-69-4 FREON 11 0.93 0.088 0.78 UG/M3 0.93 EPD-WA-03-050923 TO-15 76-13-1 FREON 113 0.38 J 0.16 1.1 UG/M3 0.38 J EPD-WA-03-050923 TO-15 142-82-5 HEPTANE 0.17 J 0.068 2.8 UG/M3 0.17 J EPD-WA-03-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.4 U 0.085 7.4 UG/M3 7.4 U EPD-WA-03-050923 TO-15 110-54-3 HEXANE 0.22 J 0.073 2.4 UG/M3 0.22 J EPD-WA-03-050923 TO-15 75-09-2 METHYLENE CHLORIDE 0.96 U 0.56 0.96 UG/M3 0.96 U EPD-WA-03-050923 TO-15 103-65-1 PROPYLBENZENE 0.68 U 0.11 0.68 UG/M3 0.68 U EPD-WA-03-050923 TO-15 100-42-5 STYRENE 0.59 U 0.14 0.59 UG/M3 0.59 U EPD-WA-03-050923 TO-15 109-99-9 TETRAHYDROFURAN 0.77 J 0.66 2.0 UG/M3 0.77 J EPD-WA-03-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.63 U 0.086 0.63 UG/M3 0.63 U EPD-WA-03-050923 TO-15 872-05-9 1-DECENE 0.98 NJ PPBV 0.98 NJ EPD-WA-03-050923 TO-15 693-54-9 2-DECANONE 0.94 NJ PPBV 0.94 NJ EPD-WA-03-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U, NF Page 9 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-050923 TO-15 19689-18-0 4-DECENE 0.72 NJ PPBV 0.72 NJ EPD-WA-03-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U, NF EPD-WA-03-050923 TO-15 66-25-1 HEXANAL 1.9 NJ PPBV 1.9 NJ EPD-WA-03-050923 TO-15 124-19-6 NONANAL 1.2 NJ PPBV 1.2 NJ EPD-WA-03-050923 TO-15 124-13-0 OCTANAL 0.91 NJ PPBV 0.91 NJ EPD-WA-03-050923 TO-15 NA UNKNOWN TIC 0.93 J PPBV 0.93 J EPD-WA-03-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.014 0.15 UG/M3 0.15 U EPD-WA-03-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.19 U 0.019 0.19 UG/M3 0.19 U EPD-WA-03-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.022 0.15 UG/M3 0.15 U EPD-WA-03-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.0099 0.11 UG/M3 0.11 U EPD-WA-03-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.055 U 0.015 0.055 UG/M3 0.055 U EPD-WA-03-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.14 0.21 UG/M3 0.21 U EPD-WA-03-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.061 J 0.032 0.11 UG/M3 0.061 J EPD-WA-03-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.13 0.17 UG/M3 0.17 U EPD-WA-03-050923 TO-15 SIM 71-43-2 BENZENE 0.34 0.027 0.22 UG/M3 0.34 EPD-WA-03-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.41 0.048 0.17 UG/M3 0.41 EPD-WA-03-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.0078 0.18 UG/M3 0.18 U EPD-WA-03-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.062 J 0.013 0.14 UG/M3 0.062 J EPD-WA-03-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 1.4 U 0.22 1.4 UG/M3 1.4 U EPD-WA-03-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.030 0.11 UG/M3 0.11 U EPD-WA-03-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.099 J 0.018 0.12 UG/M3 0.099 J EPD-WA-03-050923 TO-15 SIM 76-14-2 FREON 114 0.097 J 0.010 0.19 UG/M3 0.097 J EPD-WA-03-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.027 0.34 UG/M3 1.8 EPD-WA-03-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.33 0.031 0.24 UG/M3 0.33 EPD-WA-03-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.50 U 0.018 0.50 UG/M3 0.50 U EPD-WA-03-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.091 J 0.046 0.36 UG/M3 0.091 J EPD-WA-03-050923 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.023 0.12 UG/M3 0.13 EPD-WA-03-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.065 J 0.013 0.19 UG/M3 0.065 J EPD-WA-03-050923 TO-15 SIM 108-88-3 TOLUENE 0.56 0.016 0.26 UG/M3 0.56 EPD-WA-03-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.084 J 0.025 0.55 UG/M3 0.084 J EPD-WA-03-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.042 J 0.028 0.15 UG/M3 0.042 J EPD-WA-03-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.49 0.014 0.036 UG/M3 0.49 EPD-WA-04-050923 EPD-WA-04-050923 TO-15 TO-15 120-82-1 95-63-6 1,2,4-TRICHLOROBENZENE 1,2,4-TRIMETHYLBENZENE 5.5 U 0.15 J 0.32 0.094 5.5 UG/M3 0.73 UG/M3 5.5 U 0.15 J Page 10 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.12 0.89 UG/M3 0.89 U EPD-WA-04-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.098 0.68 UG/M3 0.68 U EPD-WA-04-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-WA-04-050923 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.074 0.33 UG/M3 0.33 U EPD-WA-04-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.17 0.89 UG/M3 0.89 U EPD-WA-04-050923 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.16 0.53 UG/M3 0.53 U EPD-WA-04-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.16 J 0.16 3.4 UG/M3 0.16 J EPD-WA-04-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.54 J 0.23 2.2 UG/M3 0.54 J EPD-WA-04-050923 TO-15 591-78-6 2-HEXANONE 3.0 U 0.44 3.0 UG/M3 3.0 U EPD-WA-04-050923 TO-15 67-63-0 2-PROPANOL 0.25 J 0.20 7.3 UG/M3 0.25 J EPD-WA-04-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.26 2.3 UG/M3 2.3 U EPD-WA-04-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.15 J 0.13 0.73 UG/M3 0.15 J EPD-WA-04-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.095 0.61 UG/M3 0.61 U EPD-WA-04-050923 TO-15 67-64-1 ACETONE 5.6 J 0.71 7.0 UG/M3 5.6 J EPD-WA-04-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.11 0.77 UG/M3 0.77 U EPD-WA-04-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.098 0.99 UG/M3 0.99 U EPD-WA-04-050923 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-WA-04-050923 TO-15 74-83-9 BROMOMETHANE 29 U 0.85 29 UG/M3 29 U EPD-WA-04-050923 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.35 2.3 UG/M3 2.3 U EPD-WA-04-050923 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.069 0.68 UG/M3 0.68 U EPD-WA-04-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.098 0.67 UG/M3 0.67 U EPD-WA-04-050923 TO-15 98-82-8 CUMENE 0.73 U 0.16 0.73 UG/M3 0.73 U EPD-WA-04-050923 TO-15 110-82-7 CYCLOHEXANE 2.5 u 0.11 2.5 UG/M3 2.5 u EPD-WA-04-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 u 0.20 1.3 UG/M3 1.3 u EPD-WA-04-050923 TO-15 64-17-5 ETHANOL 2.2 J 0.49 5.6 UG/M3 2.2 J EPD-WA-04-050923 TO-15 75-69-4 FREON 11 0.92 0.093 0.83 UG/M3 0.92 EPD-WA-04-050923 TO-15 76-13-1 FREON 113 0.41 J 0.17 1.1 UG/M3 0.41 J EPD-WA-04-050923 TO-15 142-82-5 HEPTANE 0.2 J 0.073 3.0 UG/M3 0.20 J EPD-WA-04-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 u 0.09 7.9 UG/M3 7.9 u EPD-WA-04-050923 TO-15 110-54-3 HEXANE 0.34 J 0.078 2.6 UG/M3 0.34 J EPD-WA-04-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 u 0.60 1.0 UG/M3 1.0 u EPD-WA-04-050923 TO-15 103-65-1 PROPYLBENZENE 0.73 u 0.12 0.73 UG/M3 0.73 u EPD-WA-04-050923 TO-15 100-42-5 STYRENE 0.63 u 0.15 0.63 UG/M3 0.63 u EPD-WA-04-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.2 u 0.70 2.2 UG/M3 2.2 u Page 11 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab _Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.092 0.67 UG/M3 0.67 U EPD-WA-04-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-WA-04-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-WA-04-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-04-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.021 0.20 UG/M3 0.20 U EPD-WA-04-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.023 0.16 UG/M3 0.16 U EPD-WA-04-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.010 0.12 UG/M3 0.12 U EPD-WA-04-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.016 0.059 UG/M3 0.059 U EPD-WA-04-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.15 0.23 UG/M3 0.23 U EPD-WA-04-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.061 J 0.035 0.12 UG/M3 0.061 J EPD-WA-04-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.14 0.18 UG/M3 0.18 U EPD-WA-04-050923 TO-15 SIM 71-43-2 BENZENE 0.54 0.029 0.24 UG/M3 0.54 EPD-WA-04-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.39 0.051 0.19 UG/M3 0.39 EPD-WA-04-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0084 0.20 UG/M3 0.20 U EPD-WA-04-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.065 J 0.014 0.14 UG/M3 0.065 J EPD-WA-04-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.71 J 0.23 1.5 UG/M3 0.71 J EPD-WA-04-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.032 0.12 UG/M3 0.12 U EPD-WA-04-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 J 0.019 0.13 UG/M3 0.12 J EPD-WA-04-050923 TO-15 SIM 76-14-2 FREON 114 0.097 J 0.011 0.21 UG/M3 0.097 J EPD-WA-04-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.029 0.36 UG/M3 1.8 EPD-WA-04-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.39 0.033 0.26 UG/M3 0.39 EPD-WA-04-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.019 0.53 UG/M3 0.53 U EPD-WA-04-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.096 J 0.048 0.39 UG/M3 0.096 J EPD-WA-04-050923 TO-15 SIM 95-47-6 O-XYLENE 0.15 0.024 0.13 UG/M3 0.15 EPD-WA-04-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.040 J 0.014 0.20 UG/M3 0.040 J EPD-WA-04-050923 TO-15 SIM 108-88-3 TOLUENE 0.95 0.017 0.28 UG/M3 0.95 EPD-WA-04-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.59 U 0.027 0.59 UG/M3 0.59 U EPD-WA-04-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.037 J 0.030 0.16 UG/M3 0.037 J EPD-WA-04-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.19 0.015 0.038 UG/M3 0.19 EPD-WA-05-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 0.32 5.5 UG/M3 5.5 U EPD-WA-05-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.73 U 0.094 0.73 UG/M3 0.73 U EPD-WA-05-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.12 0.89 UG/M3 0.89 U EPD-WA-05-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.098 0.68 UG/M3 0.68 U EPD-WA-05-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 u Page 12 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_ Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-050923 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.074 0.33 UG/M3 0.33 U EPD-WA-05-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.17 0.89 UG/M3 0.89 U EPD-WA-05-050923 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.16 0.53 UG/M3 0.53 U EPD-WA-05-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.16 3.4 UG/M3 3.4 U EPD-WA-05-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.47 J 0.23 2.2 UG/M3 0.47 J EPD-WA-05-050923 TO-15 591-78-6 2-HEXANONE 3.0 U 0.44 3.0 UG/M3 3.0 U EPD-WA-05-050923 TO-15 67-63-0 2-PROPANOL 0.40 J 0.20 7.3 UG/M3 0.40 J EPD-WA-05-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.26 2.3 UG/M3 2.3 U EPD-WA-05-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.73 U 0.13 0.73 UG/M3 0.73 U EPD-WA-05-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.095 0.61 UG/M3 0.61 U EPD-WA-05-050923 TO-15 67-64-1 ACETONE 6.9 J 0.71 7.0 UG/M3 6.9 J EPD-WA-05-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.11 0.77 UG/M3 0.77 U EPD-WA-05-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 0.99 U 0.098 0.99 UG/M3 0.99 U EPD-WA-05-050923 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-WA-05-050923 TO-15 74-83-9 BROMOMETHANE 29 U 0.85 29 UG/M3 29 U EPD-WA-05-050923 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.35 2.3 UG/M3 2.3 U EPD-WA-05-050923 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.069 0.68 UG/M3 0.68 U EPD-WA-05-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.098 0.67 UG/M3 0.67 U EPD-WA-05-050923 TO-15 98-82-8 CUMENE 0.73 U 0.16 0.73 UG/M3 0.73 U EPD-WA-05-050923 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.11 2.5 UG/M3 2.5 U EPD-WA-05-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.20 1.3 UG/M3 1.3 U EPD-WA-05-050923 TO-15 64-17-5 ETHANOL 2.1 J 0.49 5.6 UG/M3 2.1 J EPD-WA-05-050923 TO-15 75-69-4 FREON 11 0.90 0.093 0.83 UG/M3 0.90 EPD-WA-05-050923 TO-15 76-13-1 FREON 113 0.43 J 0.17 1.1 UG/M3 0.43 J EPD-WA-05-050923 TO-15 142-82-5 HEPTANE 0.12 J 0.073 3.0 UG/M3 0.12 J EPD-WA-05-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 U 0.090 7.9 UG/M3 7.9 U EPD-WA-05-050923 TO-15 110-54-3 HEXANE 0.21 J 0.078 2.6 UG/M3 0.21 J EPD-WA-05-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.0 U 0.60 1.0 UG/M3 1.0 U EPD-WA-05-050923 TO-15 103-65-1 PROPYLBENZENE 0.73 U 0.12 0.73 UG/M3 0.73 U EPD-WA-05-050923 TO-15 100-42-5 STYRENE 0.63 U 0.15 0.63 UG/M3 0.63 U EPD-WA-05-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.2 u 0.70 2.2 UG/M3 2.2 u EPD-WA-05-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 u 0.092 0.67 UG/M3 0.67 u EPD-WA-05-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U, NF EPD-WA-05-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 u PPBV 0 U, NF Page 13 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-050923 TO-15 124-19-6 NONANAL 0.92 NJ PPBV 0.92 NJ EPD-WA-05-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-05-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.20 U 0.021 0.20 UG/M3 0.20 U EPD-WA-05-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.023 0.16 UG/M3 0.16 U EPD-WA-05-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.010 0.12 UG/M3 0.12 U EPD-WA-05-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.016 0.059 UG/M3 0.059 U EPD-WA-05-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.15 0.23 UG/M3 0.23 U EPD-WA-05-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.063 J 0.035 0.12 UG/M3 0.063 J EPD-WA-05-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.14 0.18 UG/M3 0.18 U EPD-WA-05-050923 TO-15 SIM 71-43-2 BENZENE 0.25 0.029 0.24 UG/M3 0.25 EPD-WA-05-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.39 0.051 0.19 UG/M3 0.39 EPD-WA-05-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0084 0.20 UG/M3 0.20 U EPD-WA-05-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.062 J 0.014 0.14 UG/M3 0.062 J EPD-WA-05-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.71 J 0.23 1.5 UG/M3 0.71 J EPD-WA-05-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.032 0.12 UG/M3 0.12 U EPD-WA-05-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.20 0.019 0.13 UG/M3 0.20 EPD-WA-05-050923 TO-15 SIM 76-14-2 FREON 114 0.095 J 0.011 0.21 UG/M3 0.095 J EPD-WA-05-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.029 0.36 UG/M3 1.8 EPD-WA-05-050923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.62 0.033 0.26 UG/M3 0.62 EPD-WA-05-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.019 0.53 UG/M3 0.53 U EPD-WA-05-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.88 0.048 0.39 UG/M3 0.88 J EPD-WA-05-050923 TO-15 SIM 95-47-6 O-XYLENE 0.18 0.024 0.13 UG/M3 0.18 EPD-WA-05-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.058 J 0.014 0.20 UG/M3 0.058 J EPD-WA-05-050923 TO-15 SIM 108-88-3 TOLUENE 1.1 0.017 0.28 UG/M3 1.1 EPD-WA-05-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.11 J 0.027 0.59 UG/M3 0.11 J EPD-WA-05-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.24 0.030 0.16 UG/M3 0.24 EPD-WA-05-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.015 0.038 UG/M3 0.038 U EPD-WA-06-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.8 U 0.34 5.8 UG/M3 5.8 U EPD-WA-06-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.46 J 0.099 0.76 UG/M3 0.46 J EPD-WA-06-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.93 U 0.13 0.93 UG/M3 0.93 U EPD-WA-06-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.72 U 0.10 0.72 UG/M3 0.72 U EPD-WA-06-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.15 J 0.12 0.76 UG/M3 0.15 J EPD-WA-06-050923 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.078 0.34 UG/M3 0.34 U EPD-WA-06-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.93 U 0.18 0.93 UG/M3 0.93 U Page 14 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_ Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-050923 TO-15 123-91-1 1,4-DIOXANE 0.56 U 0.16 0.56 UG/M3 0.56 U EPD-WA-06-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.370 J 0.16 3.6 UG/M3 0.37 J EPD-WA-06-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.93 J 0.24 2.3 UG/M3 0.93 J EPD-WA-06-050923 TO-15 591-78-6 2-HEXANONE 3.2 U 0.46 3.2 UG/M3 3.2 U EPD-WA-06-050923 TO-15 67-63-0 2-PROPANOL 0.670 J 0.21 7.6 UG/M3 0.67 J EPD-WA-06-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.27 2.4 UG/M3 2.4 U EPD-WA-06-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.45 J 0.14 0.76 UG/M3 0.45 J EPD-WA-06-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.10 J 0.10 0.63 UG/M3 0.10 J EPD-WA-06-050923 TO-15 67-64-1 ACETONE 9.9 0.75 7.4 UG/M3 9.9 EPD-WA-06-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.80 U 0.12 0.80 UG/M3 0.80 U EPD-WA-06-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 1.0 U 0.10 1.0 UG/M3 1.0 U EPD-WA-06-050923 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-WA-06-050923 TO-15 74-83-9 BROMOMETHANE 30 U 0.89 30 UG/M3 30 U EPD-WA-06-050923 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.36 2.4 UG/M3 2.4 U EPD-WA-06-050923 TO-15 108-90-7 CHLOROBENZENE 0.71 U 0.072 0.71 UG/M3 0.71 U EPD-WA-06-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.70 U 0.10 0.70 UG/M3 0.70 U EPD-WA-06-050923 TO-15 98-82-8 CUMENE 0.76 U 0.17 0.76 UG/M3 0.76 U EPD-WA-06-050923 TO-15 110-82-7 CYCLOHEXANE 0.20 J 0.12 2.7 UG/M3 0.20 J EPD-WA-06-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.21 1.3 UG/M3 1.3 U EPD-WA-06-050923 TO-15 64-17-5 ETHANOL 7.1 0.51 5.8 UG/M3 7.1 EPD-WA-06-050923 TO-15 75-69-4 FREON 11 0.93 0.098 0.87 UG/M3 0.93 EPD-WA-06-050923 TO-15 76-13-1 FREON 113 0.44 J 0.18 1.2 UG/M3 0.44 J EPD-WA-06-050923 TO-15 142-82-5 HEPTANE 0.44 J 0.076 3.2 UG/M3 0.44 J EPD-WA-06-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.3 U 0.094 8.3 UG/M3 8.3 U EPD-WA-06-050923 TO-15 110-54-3 HEXANE 0.69 J 0.082 2.7 UG/M3 0.69 J EPD-WA-06-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.1 U 0.62 1.1 UG/M3 1.1 U EPD-WA-06-050923 TO-15 103-65-1 PROPYLBENZENE 0.76 U 0.13 0.76 UG/M3 0.76 U EPD-WA-06-050923 TO-15 100-42-5 STYRENE 0.66 U 0.16 0.66 UG/M3 0.66 U EPD-WA-06-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.3 U 0.73 2.3 UG/M3 2.3 U EPD-WA-06-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.70 U 0.096 0.70 UG/M3 0.70 U EPD-WA-06-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-WA-06-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-WA-06-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.015 0.17 UG/M3 0.17 u EPD-WA-06-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.21 u 0.022 0.21 UG/M3 0.21 u Page 15 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.024 0.17 UG/M3 0.17 U EPD-WA-06-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-06-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.016 0.061 UG/M3 0.061 U EPD-WA-06-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.16 0.24 UG/M3 0.24 U EPD-WA-06-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.061 J 0.036 0.12 UG/M3 0.061 J EPD-WA-06-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.15 0.19 UG/M3 0.19 U EPD-WA-06-050923 TO-15 SIM 71-43-2 BENZENE 0.91 0.030 0.25 UG/M3 0.91 EPD-WA-06-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.39 0.053 0.20 UG/M3 0.39 EPD-WA-06-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.20 U 0.0088 0.20 UG/M3 0.20 U EPD-WA-06-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.070 J 0.014 0.15 UG/M3 0.070 J EPD-WA-06-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.72 J 0.24 1.6 UG/M3 0.72 J EPD-WA-06-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.049 J 0.033 0.12 UG/M3 0.049 J EPD-WA-06-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.35 0.020 0.13 UG/M3 0.35 EPD-WA-06-050923 TO-15 SIM 76-14-2 FREON 114 0.092 J 0.012 0.22 UG/M3 0.092 J EPD-WA-06-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.030 0.38 UG/M3 1.8 EPD-WA-06-050923 TO-15 SIM 179601-23 -1 M,P-XYLENE 1.0 0.035 0.27 UG/M3 1.0 EPD-WA-06-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.56 U 0.020 0.56 UG/M3 0.56 U EPD-WA-06-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.20 J 0.051 0.41 UG/M3 0.20 J EPD-WA-06-050923 TO-15 SIM 95-47-6 O-XYLENE 0.39 0.026 0.13 UG/M3 0.39 EPD-WA-06-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.069 J 0.015 0.21 UG/M3 0.069 J EPD-WA-06-050923 TO-15 SIM 108-88-3 TOLUENE 1.8 0.018 0.29 UG/M3 1.8 EPD-WA-06-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.030 J 0.028 0.61 UG/M3 0.030 J EPD-WA-06-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.12 J 0.031 0.17 UG/M3 0.12 J EPD-WA-06-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.085 0.016 0.040 UG/M3 0.085 EPD-WA-66-050923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.9 U 0.34 5.9 UG/M3 5.9 U EPD-WA-66-050923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.43 J 0.10 0.78 UG/M3 0.43 J EPD-WA-66-050923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.96 U 0.14 0.96 UG/M3 0.96 U EPD-WA-66-050923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.73 U 0.10 0.73 UG/M3 0.73 U EPD-WA-66-050923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.78 U 0.13 0.78 UG/M3 0.78 U EPD-WA-66-050923 TO-15 106-99-0 1,3-BUTADIENE 0.35 U 0.080 0.35 UG/M3 0.35 U EPD-WA-66-050923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.96 U 0.18 0.96 UG/M3 0.96 U EPD-WA-66-050923 TO-15 123-91-1 1,4-DIOXANE 0.57 U 0.17 0.57 UG/M3 0.57 U EPD-WA-66-050923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.37 J 0.17 3.7 UG/M3 0.37 J EPD-WA-66-050923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.48 J 0.25 2.3 UG/M3 0.48 J Page 16 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_ Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-66-050923 TO-15 591-78-6 2-HEXANONE 3.2 U 0.47 3.2 UG/M3 3.2 U EPD-WA-66-050923 TO-15 67-63-0 2-PROPANOL 0.44 J 0.22 7.8 UG/M3 0.44 J EPD-WA-66-050923 TO-15 107-05-1 3-CHLOROPROPENE 2.5 U 0.28 2.5 UG/M3 2.5 U EPD-WA-66-050923 TO-15 622-96-8 4-ETHYLTOLUENE 0.44 J 0.14 0.78 UG/M3 0.44 J EPD-WA-66-050923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.65 U 0.10 0.65 UG/M3 0.65 U EPD-WA-66-050923 TO-15 67-64-1 ACETONE 4.9 J 0.76 7.6 UG/M3 4.9 J EPD-WA-66-050923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.82 U 0.12 0.82 UG/M3 0.82 U EPD-WA-66-050923 TO-15 75-27-4 BROMODICHLOROMETHANE 1.1 U 0.10 1.1 UG/M3 1.1 U EPD-WA-66-050923 TO-15 75-25-2 BROMOFORM 1.6 U 0.16 1.6 UG/M3 1.6 U EPD-WA-66-050923 TO-15 74-83-9 BROMOMETHANE 31 U 0.92 31 UG/M3 31 U EPD-WA-66-050923 TO-15 75-15-0 CARBON DISULFIDE 2.5 U 0.37 2.5 UG/M3 2.5 U EPD-WA-66-050923 TO-15 108-90-7 CHLOROBENZENE 0.73 U 0.074 0.73 UG/M3 0.73 U EPD-WA-66-050923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.72 U 0.10 0.72 UG/M3 0.72 U EPD-WA-66-050923 TO-15 98-82-8 CUMENE 0.78 U 0.17 0.78 UG/M3 0.78 U EPD-WA-66-050923 TO-15 110-82-7 CYCLOHEXANE 2.7 U 0.12 2.7 UG/M3 2.7 U EPD-WA-66-050923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.4 U 0.22 1.4 UG/M3 1.4 U EPD-WA-66-050923 TO-15 64-17-5 ETHANOL 8.0 0.52 6.0 UG/M3 8.0 EPD-WA-66-050923 TO-15 75-69-4 FREON 11 0.91 0.10 0.89 UG/M3 0.91 EPD-WA-66-050923 TO-15 76-13-1 FREON 113 0.39 J 0.18 1.2 UG/M3 0.39 J EPD-WA-66-050923 TO-15 142-82-5 HEPTANE 0.45 J 0.078 3.2 UG/M3 0.45 J EPD-WA-66-050923 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.5 U 0.097 8.5 UG/M3 8.5 U EPD-WA-66-050923 TO-15 110-54-3 HEXANE 0.69 J 0.084 2.8 UG/M3 0.69 J EPD-WA-66-050923 TO-15 75-09-2 METHYLENE CHLORIDE 1.1 U 0.64 1.1 UG/M3 1.1 U EPD-WA-66-050923 TO-15 103-65-1 PROPYLBENZENE 0.78 U 0.13 0.78 UG/M3 0.78 U EPD-WA-66-050923 TO-15 100-42-5 STYRENE 0.68 U 0.16 0.68 UG/M3 0.68 U EPD-WA-66-050923 TO-15 109-99-9 TETRAHYDROFURAN 2.3 U 0.75 2.3 UG/M3 2.3 U EPD-WA-66-050923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.72 U 0.099 0.72 UG/M3 0.72 U EPD-WA-66-050923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 u, NF EPD-WA-66-050923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 u, NF EPD-WA-66-050923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.015 0.17 UG/M3 0.17 u EPD-WA-66-050923 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLO ROETHANE 0.22 u 0.022 0.22 UG/M3 0.22 u EPD-WA-66-050923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 u 0.025 0.17 UG/M3 0.17 u EPD-WA-66-050923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.13 u 0.011 0.13 UG/M3 0.13 u EPD-WA-66-050923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.063 u 0.017 0.063 UG/M3 0.063 u Page 17 of 18 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2305209 SampleJD Method CAS# Analyte Lab_Result Lab Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-66-050923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.17 0.24 UG/M3 0.24 U EPD-WA-66-050923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.060 J 0.037 0.13 UG/M3 0.060 J EPD-WA-66-050923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.15 0.19 UG/M3 0.19 U EPD-WA-66-050923 TO-15 SIM 71-43-2 BENZENE 0.90 0.031 0.25 UG/M3 0.90 EPD-WA-66-050923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.38 0.054 0.20 UG/M3 0.38 EPD-WA-66-050923 TO-15 SIM 75-00-3 CHLOROETHANE 0.21 U 0.009 0.21 UG/M3 0.21 U EPD-WA-66-050923 TO-15 SIM 67-66-3 CHLOROFORM 0.061 J 0.015 0.16 UG/M3 0.061 J EPD-WA-66-050923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.25 1.6 UG/M3 0.73 J EPD-WA-66-050923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.13 U 0.034 0.13 UG/M3 0.13 U EPD-WA-66-050923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.34 0.020 0.14 UG/M3 0.34 EPD-WA-66-050923 TO-15 SIM 76-14-2 FREON 114 0.093 J 0.012 0.22 UG/M3 0.093 J EPD-WA-66-050923 TO-15 SIM 75-71-8 FREON 12 1.8 0.031 0.39 UG/M3 1.8 EPD-WA-66-050923 TO-15 SIM 179601-23- -1 M,P-XYLENE 0.98 0.036 0.28 UG/M3 0.98 EPD-WA-66-050923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.57 U 0.021 0.57 UG/M3 0.57 U EPD-WA-66-050923 TO-15 SIM 91-20-3 NAPHTHALENE 0.17 J 0.052 0.42 UG/M3 0.17 J EPD-WA-66-050923 TO-15 SIM 95-47-6 O-XYLENE 0.37 0.026 0.14 UG/M3 0.37 EPD-WA-66-050923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.057 J 0.015 0.22 UG/M3 0.057 J EPD-WA-66-050923 TO-15 SIM 108-88-3 TOLUENE 1.7 0.018 0.30 UG/M3 1.7 EPD-WA-66-050923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.63 U 0.029 0.63 UG/M3 0.63 U EPD-WA-66-050923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.044 J 0.032 0.17 UG/M3 0.044 J EPD-WA-66-050923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.086 0.016 0.041 UG/M3 0.086 Page 18 of 18 ------- |