Mr. Josh Peters On-Scene Coordinator U.S. Environmental Protection Agency, Region 5 Superfund and Emergency Management Division December 7, 2023 -|^ TETRATECH 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 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. 2227 Dear Mr. Peters: Tetra Tech, Inc. (Tetra Tech) is submitting this data validation report for 36 air samples (including 4 field duplicate samples) collected at the E Palestine site. The samples were collected on October 5 to 9, 2023, and were analyzed for volatile organic compounds by Eurofins Air Toxics, LLC. The final laboratory data package was received on October 11, 2023. Analytical data were evaluated in general accordance with the Tetra Tech Quality Assurance Project Plan, East Palestine Train Derailment Site, East Palestine, Columbiana County, Ohio, Revision 3 (April 2023), the Tetra Tech Quality Assurance Project Plan, Superfund Technical Assessment and Response Team (START V), EPA Region 5, Revision 4 (August 2022), and the National Functional Guidelines (NFG) for Organic Superfund Methods Data Review (November 2020). No rejection of results was required for these data packages. 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 contact me via the project manager. Environmental Chemist Enclosure cc: Karl Schultz, Tetra Tech Program Manager Dustin Grams, Tetra Tech Project Manager Mayra Arroyo Ortiz, Tetra Tech Project Document Control Coordinator Sincerely, Celina Barnett- Cashman Digitally signed by Celina Barnett-Cashman Date: 2023.12.07 12:41:36 -06'00' TO-TOLIN File Tetra Tech, Inc. 1 South Wacker Dr. Suite 3700, Chicago, IL 60606 Tel 312.201.7700 | Fax 312.201.0031 vwvw.tetratech.com ------- ATTACHMENT DATA VALIDATION REPORT EUROFINS AIR TOXICS, LLC REPORT NOS. 2310096,2310117, 2310157 AND 2310159 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 2227a Laboratory Report No. 2310096 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 pair Collection Date(s) 10/05/2023 Field Duplicate Pairs EPD-WA-04-100523/EPD-WA-44-100523 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, East Palestine Train Derailment Site, East Palestine, Columbiana County, Ohio, Revision 3 (April 2023), 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 this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) and Chain of Custody (COC) were not provided in the Level II laboratory report. The laboratory provided the RPDs and COC separately. No qualifications were applied. TETRA TECH Page 1 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes N The residual canister receipt vacuums in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that all values were negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums were recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures were recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes N TO-15 scan (2310096-10A): 1,3-Dichlorobenzene and alpha-chlorotoluene were detected in the method blank at levels between the method detection limit (MDL) and reporting limit (RL). All 1,3-dichlorobenzene and alpha-chlorotoluene sample results were nondetect; therefore, no qualifications were necessary. TO-15 SIM (2310096-10B): 1,1,2,2-Tetrachloroethane, 1,1,2-trichloroethane, 1,2-dibromoethane, 1,4-dichlorobenzene, m,p-xylene, naphthalene, o-xylene and toluene were detected in the method blank at levels between the MDL and RL. All 1,1,2,2- tetrachloroethane, 1,1,2-trichloroethane, 1,2-dibromoethane, and 1,4-dichlorobenzene sample results were nondetect; and all m,p-xylene and toluene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. The naphthalene results in samples EPD-WA-04-100523, EPD-WA-01-100523, EPD-WA-02-100523 and EPA-WA-44-100523, were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. The naphthalene results were further qualified UJ due to another QC infraction. o-Xylene in sample EPD-WA-44-100523 was less than ten times the blank value; therefore, the result was qualified as estimated, possibly biased high (flagged J+). All remaining o-xylene sample results were greater than or equal to ten times the blank value; therefore, no qualifications were necessary. TO-15 scan (2310096-10C): Acetone was detected in the method blank at levels between the MDL and RL. Acetone in samples EPD- UW-E-100523 and EPD-WA-03-100523 were less than ten times the blank value; therefore, qualified as estimated, possibly biased high (flagged J+). All remaining acetone sample results were greater than ten times the blank value; therefore, no qualifications were necessary. TETRA TECH Page 2 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT TO-15 SIM (2310096-10D): 1,4-Dichlorobenzene and m,p-xylene were detected in the method blank at levels between the MDL and RL. 1,4-Dichlorobenzene in samples EPD-WA-03-100523 and EPD-DW-A-100523 were nondetect; therefore, no qualifications were necessary. The 1,4-dichlorobenzene results for samples EPD-UW-E-100523, EPD-WA-05-100523, and EPD-WA-06-100523, were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. These results were further qualified UJ due to other QC infractions. The m,p-xylene results were detected at greater than 10 times the blank concentration and were not qualified. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y MS/MSDs: Within Criteria Exceedance/Notes NA Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes Y TETRA TECH Page 3 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT LCSs/LCSDs: Within Criteria Exceedance/Notes N TO-15 scan (2310096-12A): The percent recovery of 3-chloropropene exceeded the site-specific QAPP acceptance criteria and the recoveries for 4-ethyltoluene and hexachlorobutadiene were below the site-specific QAPP acceptance criteria in the LCS. 3- Chloropropene and hexachlorobutadiene average recoveries are within the acceptance criteria; therefore, no qualifications were necessary. 4-Ethyltoluene results in samples EPD-WA-01-100523, EPD-WA-02-100523, EPD-WA-04-100523 and EPD-WA-44-100523 were qualified as estimated, possibly biased low (flagged J-/UJ). TO-15 scan (2310096-12B): The percent recoveries of 1,4-dichlorobenzene were below the site-specific QAPP acceptance criteria in the LCS and LCSD. 1,4-Dichlorobenzene in samples EPD-DW-A-100523, EPD-UW-E-100523, EPD-WA-03-100523, EPD-WA-05- 100523 and EPD-WA-06-100523 were qualified as estimated (flagged UJ). Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factors ranged from 1.37 to 1.72. While no qualifications were applied, the data user should be aware of increased reporting limits for sample dilutions. 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. TETRA TECH Page 4 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Tentatively identified compounds: Within Criteria Exceedance/Notes Y Tentatively identified compounds (TICs) were detected in most samples. The laboratory qualified known TICs as tentatively identified (flagged NJ). The laboratory qualified unknown TICs as estimated (flagged J). The laboratory qualified the results for 2-ethyl-l-hexanol and butyl acrylate as manually searched for, but not found in the sample (flagged U,NF). Other [Continuing Calibration]: Within Criteria Exceedance/Notes N CCV 2310096-11A had low percent recovery of hexachlorobutadiene. The hexachlorobutadiene results for samples EPD-WA-01- 100523, EPD-WA-02-100523, EPD-WA-04-100523, and EPD-WA-44-100523 were qualified as estimated (flagged UJ). CCV 2310096-11B had low percent recovery of 1,4-dichlorobenzene and naphthalene. The 1,4-dichlorobenzene and naphthalene results for samples EPD-WA-01-100523, EPD-WA-02-100523, EPD-WA-04-100523, and EPD-WA-44-100523 were qualified as estimated (flagged UJ). 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. TETRA TECH Page 5 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT 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 6 of 6 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-A-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.8 U 1.3 5.8 UG/M3 5.8 U EPD-DW-A-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.18 J 0.18 0.76 UG/M3 0.18 J EPD-DW-A-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.93 U 0.15 0.93 UG/M3 0.93 U EPD-DW-A-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.72 U 0.15 0.72 UG/M3 0.72 U EPD-DW-A-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.76 U 0.15 0.76 UG/M3 0.76 U EPD-DW-A-100523 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.047 0.34 UG/M3 0.34 U EPD-DW-A-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.93 U 0.093 0.93 UG/M3 0.93 U EPD-DW-A-100523 TO-15 123-91-1 1,4-DIOXANE 0.13 J 0.081 0.56 UG/M3 0.13 J EPD-DW-A-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.3 J 0.24 3.6 UG/M3 0.30 J EPD-DW-A-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.84 J 0.39 2.3 UG/M3 0.84 J EPD-DW-A-100523 TO-15 591-78-6 2-HEXANONE 3.2 U 0.6 3.2 UG/M3 3.2 U EPD-DW-A-100523 TO-15 67-63-0 2-PROPANOL 2 J 0.18 7.6 UG/M3 2.0 J EPD-DW-A-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.21 2.4 UG/M3 2.4 U EPD-DW-A-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.76 U 0.13 0.76 UG/M3 0.76 U EPD-DW-A-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.63 U 0.19 0.63 UG/M3 0.63 U EPD-DW-A-100523 TO-15 67-64-1 ACETONE 14 0.55 7.4 UG/M3 14 EPD-DW-A-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.8 U 0.23 0.8 UG/M3 0.80 U EPD-DW-A-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.13 1 UG/M3 1.0 U EPD-DW-A-100523 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-DW-A-100523 TO-15 74-83-9 BROMOMETHANE 30 U 1.4 30 UG/M3 30 U EPD-DW-A-100523 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.11 2.4 UG/M3 2.4 U EPD-DW-A-100523 TO-15 108-90-7 CHLOROBENZENE 0.71 U 0.082 0.71 UG/M3 0.71 U EPD-DW-A-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.7 U 0.19 0.7 UG/M3 0.70 U EPD-DW-A-100523 TO-15 98-82-8 CUMENE 0.76 U 0.07 0.76 UG/M3 0.76 U EPD-DW-A-100523 TO-15 110-82-7 CYCLOHEXANE 2.7 U 0.45 2.7 UG/M3 2.7 U EPD-DW-A-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-DW-A-100523 TO-15 64-17-5 ETHANOL 3.1 J 0.74 5.8 UG/M3 3.1 J EPD-DW-A-100523 TO-15 75-69-4 FREON 11 1.4 0.13 0.87 UG/M3 1.4 EPD-DW-A-100523 TO-15 76-13-1 FREON 113 0.56 J 0.12 1.2 UG/M3 0.56 J EPD-DW-A-100523 TO-15 142-82-5 HEPTANE 3.2 U 0.44 3.2 UG/M3 3.2 U EPD-DW-A-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.3 U 0.54 8.3 UG/M3 8.3 U EPD-DW-A-100523 TO-15 110-54-3 HEXANE 0.44 J 0.25 2.7 UG/M3 0.44 J EPD-DW-A-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.46 J 0.34 1.1 UG/M3 0.46 J EPD-DW-A-100523 TO-15 103-65-1 PROPYLBENZENE 0.76 U 0.18 0.76 UG/M3 0.76 U EPD-DW-A-100523 TO-15 100-42-5 STYRENE 0.66 U 0.11 0.66 UG/M3 0.66 U EPD-DW-A-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.3 U 0.39 2.3 UG/M3 2.3 u EPD-DW-A-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.7 U 0.14 0.7 UG/M3 0.70 u EPD-DW-A-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-DW-A-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-DW-A-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.022 0.17 UG/M3 0.17 U EPD-DW-A-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.21 U 0.09 0.21 UG/M3 0.21 U EPD-DW-A-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.058 0.17 UG/M3 0.17 U Page 1 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-A-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.018 0.12 UG/M3 0.12 U EPD-DW-A-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.024 0.061 UG/M3 0.061 U EPD-DW-A-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.084 0.24 UG/M3 0.24 U EPD-DW-A-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.032 0.12 UG/M3 0.055 J EPD-DW-A-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.19 U 0.066 0.19 UG/M3 0.19 UJ EPD-DW-A-100523 TO-15 SIM 71-43-2 BENZENE 0.39 0.028 0.25 UG/M3 0.39 EPD-DW-A-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.49 0.041 0.2 UG/M3 0.49 EPD-DW-A-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.2 UG/M3 0.20 U EPD-DW-A-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.15 0.022 0.15 UG/M3 0.15 EPD-DW-A-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.94 J 0.32 1.6 UG/M3 0.94 J EPD-DW-A-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-DW-A-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.088 J 0.013 0.13 UG/M3 0.088 J EPD-DW-A-100523 TO-15 SIM 76-14-2 FREON 114 0.14 J 0.018 0.22 UG/M3 0.14 J EPD-DW-A-100523 TO-15 SIM 75-71-8 FREON 12 2.6 0.028 0.38 UG/M3 2.6 EPD-DW-A-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.29 0.0082 0.27 UG/M3 0.29 EPD-DW-A-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.56 U 0.015 0.56 UG/M3 0.56 U EPD-DW-A-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.12 0.41 UG/M3 0.16 J EPD-DW-A-100523 TO-15 SIM 95-47-6 O-XYLENE 0.11 J 0.011 0.13 UG/M3 0.11 J EPD-DW-A-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.14 J 0.12 0.21 UG/M3 0.14 J EPD-DW-A-100523 TO-15 SIM 108-88-3 TOLUENE 0.71 0.015 0.29 UG/M3 0.71 EPD-DW-A-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.61 U 0.014 0.61 UG/M3 0.61 U EPD-DW-A-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.17 U 0.023 0.17 UG/M3 0.17 U EPD-DW-A-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.04 U 0.011 0.04 UG/M3 0.040 U EPD-UW-E-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.2 5.6 UG/M3 5.6 U EPD-UW-E-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.3 J 0.18 0.74 UG/M3 0.30 J EPD-UW-E-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.9 U 0.14 0.9 UG/M3 0.90 U EPD-UW-E-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.69 U 0.14 0.69 UG/M3 0.69 U EPD-UW-E-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.15 0.74 UG/M3 0.74 U EPD-UW-E-100523 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.046 0.33 UG/M3 0.33 U EPD-UW-E-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.9 U 0.09 0.9 UG/M3 0.90 U EPD-UW-E-100523 TO-15 123-91-1 1,4-DIOXANE 0.09 J 0.078 0.54 UG/M3 0.090 J EPD-UW-E-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.47 J 0.23 3.5 UG/M3 0.47 J EPD-UW-E-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.83 J 0.38 2.2 UG/M3 0.83 J EPD-UW-E-100523 TO-15 591-78-6 2-HEXANONE 3.1 U 0.58 3.1 UG/M3 3.1 U EPD-UW-E-100523 TO-15 67-63-0 2-PROPANOL 7.4 U 0.18 7.4 UG/M3 7.4 U EPD-UW-E-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.21 2.3 UG/M3 2.3 U EPD-UW-E-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.17 J 0.12 0.74 UG/M3 0.17 J EPD-UW-E-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.19 0.61 UG/M3 0.61 U EPD-UW-E-100523 TO-15 67-64-1 ACETONE 8.2 0.53 7.1 UG/M3 8.2 J+ EPD-UW-E-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.22 0.78 UG/M3 0.78 U EPD-UW-E-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.13 1 UG/M3 1.0 U EPD-UW-E-100523 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U Page 2 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-E-100523 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-UW-E-100523 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-UW-E-100523 TO-15 108-90-7 CHLOROBENZENE 0.69 U 0.08 0.69 UG/M3 0.69 U EPD-UW-E-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-UW-E-100523 TO-15 98-82-8 CUMENE 0.74 U 0.068 0.74 UG/M3 0.74 U EPD-UW-E-100523 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-UW-E-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-UW-E-100523 TO-15 64-17-5 ETHANOL 4.3 J 0.72 5.6 UG/M3 4.3 J EPD-UW-E-100523 TO-15 75-69-4 FREON 11 1.3 0.13 0.84 UG/M3 1.3 EPD-UW-E-100523 TO-15 76-13-1 FREON 113 0.48 J 0.12 1.1 UG/M3 0.48 J EPD-UW-E-100523 TO-15 142-82-5 HEPTANE 3.1 U 0.43 3.1 UG/M3 3.1 U EPD-UW-E-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 8 U 0.52 8 UG/M3 8.0 U EPD-UW-E-100523 TO-15 110-54-3 HEXANE 0.64 J 0.24 2.6 UG/M3 0.64 J EPD-UW-E-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.47 J 0.32 1 UG/M3 0.47 J EPD-UW-E-100523 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.17 0.74 UG/M3 0.74 U EPD-UW-E-100523 TO-15 100-42-5 STYRENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-UW-E-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.37 2.2 UG/M3 2.2 U EPD-UW-E-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-UW-E-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-UW-E-100523 TO-15 106-97-8 BUTANE 0.77 NJ PPBV 0.77 NJ EPD-UW-E-100523 TO-15 78-78-4 BUTANE, 2-METHYL- 0.88 NJ PPBV 0.88 NJ EPD-UW-E-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-UW-E-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-UW-E-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.2 U 0.088 0.2 UG/M3 0.20 U EPD-UW-E-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.056 0.16 UG/M3 0.16 U EPD-UW-E-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-UW-E-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.023 0.059 UG/M3 0.059 U EPD-UW-E-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.081 0.23 UG/M3 0.23 U EPD-UW-E-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.06 J 0.031 0.12 UG/M3 0.060 J EPD-UW-E-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.12 J 0.064 0.18 UG/M3 0.18 UJ EPD-UW-E-100523 TO-15 SIM 71-43-2 BENZENE 0.54 0.027 0.24 UG/M3 0.54 EPD-UW-E-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.04 0.19 UG/M3 0.47 EPD-UW-E-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.2 UG/M3 0.20 U EPD-UW-E-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.1 J 0.022 0.15 UG/M3 0.10 J EPD-UW-E-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.88 J 0.31 1.5 UG/M3 0.88 J EPD-UW-E-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-UW-E-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.14 0.013 0.13 UG/M3 0.14 EPD-UW-E-100523 TO-15 SIM 76-14-2 FREON 114 0.13 J 0.017 0.21 UG/M3 0.13 J EPD-UW-E-100523 TO-15 SIM 75-71-8 FREON 12 2.5 0.027 0.37 UG/M3 2.5 EPD-UW-E-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.5 0.0079 0.26 UG/M3 0.50 EPD-UW-E-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.54 U 0.015 0.54 UG/M3 0.54 U EPD-UW-E-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.12 J 0.11 0.39 UG/M3 0.12 J Page 3 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-E-100523 TO-15 SIM 95-47-6 O-XYLENE 0.19 0.011 0.13 UG/M3 0.19 EPD-UW-E-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.11 0.2 UG/M3 0.20 U EPD-UW-E-100523 TO-15 SIM 108-88-3 TOLUENE 1.1 0.015 0.28 UG/M3 1.1 EPD-UW-E-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.59 U 0.014 0.59 UG/M3 0.59 U EPD-UW-E-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-UW-E-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.011 0.038 UG/M3 0.038 U EPD-WA-01-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.4 U 1.3 6.4 UG/M3 6.4 U EPD-WA-01-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.54 J 0.17 0.84 UG/M3 0.54 J EPD-WA-01-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 1 U 0.23 1 UG/M3 1.0 U EPD-WA-01-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.79 U 0.22 0.79 UG/M3 0.79 U EPD-WA-01-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.21 J 0.16 0.84 UG/M3 0.21 J EPD-WA-01-100523 TO-15 106-99-0 1,3-BUTADIENE 0.38 U 0.066 0.38 UG/M3 0.38 U EPD-WA-01-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 1 U 0.16 1 UG/M3 1.0 U EPD-WA-01-100523 TO-15 123-91-1 1,4-DIOXANE 0.62 U 0.17 0.62 UG/M3 0.62 U EPD-WA-01-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.56 J 0.32 4 UG/M3 0.56 J EPD-WA-01-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.6 J 0.24 2.5 UG/M3 0.60 J EPD-WA-01-100523 TO-15 591-78-6 2-HEXANONE 3.5 U 0.54 3.5 UG/M3 3.5 U EPD-WA-01-100523 TO-15 67-63-0 2-PROPANOL 8.4 U 0.39 8.4 UG/M3 8.4 U EPD-WA-01-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.7 U 0.3 2.7 UG/M3 2.7 U EPD-WA-01-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.84 U 0.21 0.84 UG/M3 0.84 UJ EPD-WA-01-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.7 U 0.22 0.7 UG/M3 0.70 U EPD-WA-01-100523 TO-15 67-64-1 ACETONE 6.2 J 1.2 8.2 UG/M3 6.2 J EPD-WA-01-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.89 U 0.15 0.89 UG/M3 0.89 U EPD-WA-01-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 1.2 U 0.15 1.2 UG/M3 1.2 U EPD-WA-01-100523 TO-15 75-25-2 BROMOFORM 1.8 U 0.26 1.8 UG/M3 1.8 U EPD-WA-01-100523 TO-15 74-83-9 BROMOMETHANE 33 U 1.4 33 UG/M3 33 U EPD-WA-01-100523 TO-15 75-15-0 CARBON DISULFIDE 2.7 U 0.72 2.7 UG/M3 2.7 U EPD-WA-01-100523 TO-15 108-90-7 CHLOROBENZENE 0.79 U 0.063 0.79 UG/M3 0.79 U EPD-WA-01-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.78 U 0.12 0.78 UG/M3 0.78 U EPD-WA-01-100523 TO-15 98-82-8 CUMENE 0.84 U 0.11 0.84 UG/M3 0.84 U EPD-WA-01-100523 TO-15 110-82-7 CYCLOHEXANE 3 U 0.28 3 UG/M3 3.0 U EPD-WA-01-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.5 U 0.18 1.5 UG/M3 1.5 U EPD-WA-01-100523 TO-15 64-17-5 ETHANOL 3.9 J 0.51 6.5 UG/M3 3.9 J EPD-WA-01-100523 TO-15 75-69-4 FREON 11 1 0.15 0.97 UG/M3 1.0 EPD-WA-01-100523 TO-15 76-13-1 FREON 113 0.42 J 0.21 1.3 UG/M3 0.42 J EPD-WA-01-100523 TO-15 142-82-5 HEPTANE 0.4 J 0.27 3.5 UG/M3 0.40 J EPD-WA-01-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 9.2 UJ 2.2 9.2 UG/M3 9.2 UJ EPD-WA-01-100523 TO-15 110-54-3 HEXANE 0.82 J 0.27 3 UG/M3 0.82 J EPD-WA-01-100523 TO-15 75-09-2 METHYLENE CHLORIDE 1.2 U 1.1 1.2 UG/M3 1.2 u EPD-WA-01-100523 TO-15 103-65-1 PROPYLBENZENE 0.84 u 0.17 0.84 UG/M3 0.84 u EPD-WA-01-100523 TO-15 100-42-5 STYRENE 0.73 u 0.15 0.73 UG/M3 0.73 u EPD-WA-01-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.5 u 0.52 2.5 UG/M3 2.5 u Page 4 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.78 U 0.19 0.78 UG/M3 0.78 U EPD-WA-01-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-01-100523 TO-15 106-97-8 BUTANE 1.5 NJ PPBV 1.5 NJ EPD-WA-01-100523 TO-15 78-78-4 BUTANE, 2-METHYL- 1.2 NJ PPBV 1.2 NJ EPD-WA-01-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-01-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.19 U 0.015 0.19 UG/M3 0.19 U EPD-WA-01-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.24 U 0.065 0.24 UG/M3 0.24 U EPD-WA-01-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.19 U 0.011 0.19 UG/M3 0.19 U EPD-WA-01-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.14 U 0.015 0.14 UG/M3 0.14 U EPD-WA-01-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.068 U 0.014 0.068 UG/M3 0.068 U EPD-WA-01-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.26 U 0.016 0.26 UG/M3 0.26 U EPD-WA-01-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.038 J 0.013 0.14 UG/M3 0.038 J EPD-WA-01-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.21 UJ 0.1 0.21 UG/M3 0.21 UJ EPD-WA-01-100523 TO-15 SIM 71-43-2 BENZENE 0.96 0.022 0.27 UG/M3 0.96 EPD-WA-01-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.36 0.0094 0.22 UG/M3 0.36 EPD-WA-01-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.23 U 0.041 0.23 UG/M3 0.23 U EPD-WA-01-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.085 J 0.01 0.17 UG/M3 0.085 J EPD-WA-01-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.68 J 0.26 1.8 UG/M3 0.68 J EPD-WA-01-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.14 U 0.0098 0.14 UG/M3 0.14 U EPD-WA-01-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.3 0.0075 0.15 UG/M3 0.30 EPD-WA-01-100523 TO-15 SIM 76-14-2 FREON 114 0.097 J 0.014 0.24 UG/M3 0.097 J EPD-WA-01-100523 TO-15 SIM 75-71-8 FREON 12 1.8 0.011 0.42 UG/M3 1.8 EPD-WA-01-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 1.1 0.015 0.3 UG/M3 1.1 EPD-WA-01-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.62 U 0.0077 0.62 UG/M3 0.62 U EPD-WA-01-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.23 J 0.12 0.45 UG/M3 0.45 UJ EPD-WA-01-100523 TO-15 SIM 95-47-6 O-XYLENE 0.43 0.022 0.15 UG/M3 0.43 EPD-WA-01-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.18 J 0.016 0.23 UG/M3 0.18 J EPD-WA-01-100523 TO-15 SIM 108-88-3 TOLUENE 1.8 0.015 0.32 UG/M3 1.8 EPD-WA-01-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.68 U 0.011 0.68 UG/M3 0.68 U EPD-WA-01-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.18 U 0.02 0.18 UG/M3 0.18 U EPD-WA-01-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.044 U 0.0066 0.044 UG/M3 0.044 U EPD-WA-02-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 1.1 5.3 UG/M3 5.3 U EPD-WA-02-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.36 J 0.14 0.71 UG/M3 0.36 J EPD-WA-02-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.19 0.86 UG/M3 0.86 U EPD-WA-02-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.19 0.66 UG/M3 0.66 U EPD-WA-02-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.16 J 0.13 0.71 UG/M3 0.16 J EPD-WA-02-100523 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.056 0.32 UG/M3 0.32 U EPD-WA-02-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.13 0.86 UG/M3 0.86 u EPD-WA-02-100523 TO-15 123-91-1 1,4-DIOXANE 0.14 J 0.14 0.52 UG/M3 0.14 J EPD-WA-02-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.44 J 0.27 3.4 UG/M3 0.44 J EPD-WA-02-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.88 J 0.2 2.1 UG/M3 0.88 J EPD-WA-02-100523 TO-15 591-78-6 2-HEXANONE 2.9 U 0.45 2.9 UG/M3 2.9 u Page 5 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-100523 TO-15 67-63-0 2-PROPANOL 0.55 J 0.32 7.1 UG/M3 0.55 J EPD-WA-02-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.25 2.2 UG/M3 2.2 U EPD-WA-02-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.37 J 0.18 0.71 UG/M3 0.37 J- EPD-WA-02-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.59 U 0.19 0.59 UG/M3 0.59 U EPD-WA-02-100523 TO-15 67-64-1 ACETONE 12 1 6.8 UG/M3 12 EPD-WA-02-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.12 0.74 UG/M3 0.74 U EPD-WA-02-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.96 U 0.12 0.96 UG/M3 0.96 U EPD-WA-02-100523 TO-15 75-25-2 BROMOFORM 1.5 U 0.22 1.5 UG/M3 1.5 U EPD-WA-02-100523 TO-15 74-83-9 BROMOMETHANE 28 U 1.2 28 UG/M3 28 U EPD-WA-02-100523 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.6 2.2 UG/M3 2.2 U EPD-WA-02-100523 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.052 0.66 UG/M3 0.66 U EPD-WA-02-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.1 0.65 UG/M3 0.65 U EPD-WA-02-100523 TO-15 98-82-8 CUMENE 0.71 U 0.09 0.71 UG/M3 0.71 U EPD-WA-02-100523 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.24 2.5 UG/M3 2.5 U EPD-WA-02-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.15 1.2 UG/M3 1.2 U EPD-WA-02-100523 TO-15 64-17-5 ETHANOL 3 J 0.42 5.4 UG/M3 3.0 J EPD-WA-02-100523 TO-15 75-69-4 FREON 11 0.97 0.13 0.81 UG/M3 0.97 EPD-WA-02-100523 TO-15 76-13-1 FREON 113 0.47 J 0.18 1.1 UG/M3 0.47 J EPD-WA-02-100523 TO-15 142-82-5 HEPTANE 0.3 J 0.22 3 UG/M3 0.30 J EPD-WA-02-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.7 UJ 1.8 7.7 UG/M3 7.7 UJ EPD-WA-02-100523 TO-15 110-54-3 HEXANE 0.76 J 0.22 2.5 UG/M3 0.76 J EPD-WA-02-100523 TO-15 75-09-2 METHYLENE CHLORIDE 1 U 0.9 1 UG/M3 1.0 U EPD-WA-02-100523 TO-15 103-65-1 PROPYLBENZENE 0.71 U 0.14 0.71 UG/M3 0.71 U EPD-WA-02-100523 TO-15 100-42-5 STYRENE 0.61 U 0.12 0.61 UG/M3 0.61 U EPD-WA-02-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.44 2.1 UG/M3 2.1 U EPD-WA-02-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.65 U 0.16 0.65 UG/M3 0.65 U EPD-WA-02-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-02-100523 TO-15 106-97-8 BUTANE 1 NJ PPBV 1.0 NJ EPD-WA-02-100523 TO-15 78-78-4 BUTANE, 2-METHYL- 1 NJ PPBV 1.0 NJ EPD-WA-02-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-02-100523 TO-15 NA UNKNOWN TIC 0.81 J PPBV 0.81 J EPD-WA-02-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.012 0.16 UG/M3 0.16 U EPD-WA-02-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.2 U 0.054 0.2 UG/M3 0.20 U EPD-WA-02-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.009 0.16 UG/M3 0.16 U EPD-WA-02-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.012 0.12 UG/M3 0.12 U EPD-WA-02-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.011 0.057 UG/M3 0.057 U EPD-WA-02-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.014 0.22 UG/M3 0.22 U EPD-WA-02-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.039 J 0.011 0.12 UG/M3 0.039 J EPD-WA-02-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 UJ 0.086 0.17 UG/M3 0.17 UJ EPD-WA-02-100523 TO-15 SIM 71-43-2 BENZENE 0.81 0.019 0.23 UG/M3 0.81 EPD-WA-02-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.35 0.0079 0.18 UG/M3 0.35 EPD-WA-02-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.034 0.19 UG/M3 0.19 U Page 6 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.082 J 0.0086 0.14 UG/M3 0.082 J EPD-WA-02-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.66 J 0.21 1.5 UG/M3 0.66 J EPD-WA-02-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.0082 0.11 UG/M3 0.11 U EPD-WA-02-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.21 0.0062 0.12 UG/M3 0.21 EPD-WA-02-100523 TO-15 SIM 76-14-2 FREON 114 0.091 J 0.012 0.2 UG/M3 0.091 J EPD-WA-02-100523 TO-15 SIM 75-71-8 FREON 12 1.7 0.0089 0.36 UG/M3 1.7 EPD-WA-02-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.87 0.013 0.25 UG/M3 0.87 EPD-WA-02-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.52 U 0.0064 0.52 UG/M3 0.52 U EPD-WA-02-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.098 0.38 UG/M3 0.38 UJ EPD-WA-02-100523 TO-15 SIM 95-47-6 O-XYLENE 0.33 0.018 0.12 UG/M3 0.33 EPD-WA-02-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.11 J 0.013 0.2 UG/M3 0.11 J EPD-WA-02-100523 TO-15 SIM 108-88-3 TOLUENE 1.4 0.012 0.27 UG/M3 1.4 EPD-WA-02-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.57 U 0.0093 0.57 UG/M3 0.57 U EPD-WA-02-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.017 0.15 UG/M3 0.15 U EPD-WA-02-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.037 U 0.0055 0.037 UG/M3 0.037 U EPD-WA-03-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-03-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.22 J 0.17 0.72 UG/M3 0.22 J EPD-WA-03-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-03-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-WA-03-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.14 0.72 UG/M3 0.72 U EPD-WA-03-100523 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.045 0.32 UG/M3 0.32 U EPD-WA-03-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.088 0.88 UG/M3 0.88 U EPD-WA-03-100523 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.076 0.53 UG/M3 0.53 U EPD-WA-03-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.37 J 0.22 3.4 UG/M3 0.37 J EPD-WA-03-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.85 J 0.37 2.2 UG/M3 0.85 J EPD-WA-03-100523 TO-15 591-78-6 2-HEXANONE 3 U 0.57 3 UG/M3 3.0 U EPD-WA-03-100523 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-03-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-03-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.12 0.72 UG/M3 0.72 U EPD-WA-03-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.33 J 0.18 0.6 UG/M3 0.33 J EPD-WA-03-100523 TO-15 67-64-1 ACETONE 7.9 0.52 7 UG/M3 7.9 J+ EPD-WA-03-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-03-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-03-100523 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-03-100523 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-03-100523 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-03-100523 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.078 0.68 UG/M3 0.68 U EPD-WA-03-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.18 0.67 UG/M3 0.67 U EPD-WA-03-100523 TO-15 98-82-8 CUMENE 0.72 U 0.067 0.72 UG/M3 0.72 U EPD-WA-03-100523 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.43 2.5 UG/M3 2.5 U EPD-WA-03-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 u EPD-WA-03-100523 TO-15 64-17-5 ETHANOL 3.6 J 0.7 5.5 UG/M3 3.6 J Page 7 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100523 TO-15 75-69-4 FREON 11 1.3 0.12 0.82 UG/M3 1.3 EPD-WA-03-100523 TO-15 76-13-1 FREON 113 0.55 J 0.12 1.1 UG/M3 0.55 J EPD-WA-03-100523 TO-15 142-82-5 HEPTANE 3 U 0.42 3 UG/M3 3.0 U EPD-WA-03-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.8 U 0.52 7.8 UG/M3 7.8 U EPD-WA-03-100523 TO-15 110-54-3 HEXANE 0.49 J 0.23 2.6 UG/M3 0.49 J EPD-WA-03-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.49 J 0.32 1 UG/M3 0.49 J EPD-WA-03-100523 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-03-100523 TO-15 100-42-5 STYRENE 0.63 U 0.1 0.63 UG/M3 0.63 U EPD-WA-03-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.37 2.2 UG/M3 2.2 U EPD-WA-03-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-03-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-03-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-03-100523 TO-15 124-19-6 NONANAL 0.79 NJ PPBV 0.79 NJ EPD-WA-03-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-03-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.2 U 0.086 0.2 UG/M3 0.20 U EPD-WA-03-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.055 0.16 UG/M3 0.16 U EPD-WA-03-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-03-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.022 0.058 UG/M3 0.058 U EPD-WA-03-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.08 0.22 UG/M3 0.22 U EPD-WA-03-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.058 J 0.03 0.12 UG/M3 0.058 J EPD-WA-03-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.062 0.18 UG/M3 0.18 UJ EPD-WA-03-100523 TO-15 SIM 71-43-2 BENZENE 0.48 0.026 0.23 UG/M3 0.48 EPD-WA-03-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.039 0.18 UG/M3 0.46 EPD-WA-03-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-03-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.098 J 0.021 0.14 UG/M3 0.098 J EPD-WA-03-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.91 J 0.3 1.5 UG/M3 0.91 J EPD-WA-03-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-03-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.012 0.13 UG/M3 0.11 J EPD-WA-03-100523 TO-15 SIM 76-14-2 FREON 114 0.13 J 0.017 0.2 UG/M3 0.13 J EPD-WA-03-100523 TO-15 SIM 75-71-8 FREON 12 2.4 0.027 0.36 UG/M3 2.4 EPD-WA-03-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.37 0.0078 0.26 UG/M3 0.37 EPD-WA-03-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-03-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.28 J 0.11 0.38 UG/M3 0.28 J EPD-WA-03-100523 TO-15 SIM 95-47-6 O-XYLENE 0.14 0.011 0.13 UG/M3 0.14 EPD-WA-03-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.18 J 0.11 0.2 UG/M3 0.18 J EPD-WA-03-100523 TO-15 SIM 108-88-3 TOLUENE 0.95 0.014 0.28 UG/M3 0.95 EPD-WA-03-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.58 U 0.013 0.58 UG/M3 0.58 U EPD-WA-03-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-03-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.011 0.038 UG/M3 0.038 U EPD-WA-04-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.1 U 1 5.1 UG/M3 5.1 U EPD-WA-04-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.21 J 0.14 0.67 UG/M3 0.21 J EPD-WA-04-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.18 0.82 UG/M3 0.82 U Page 8 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.18 0.63 UG/M3 0.63 U EPD-WA-04-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.67 U 0.12 0.67 UG/M3 0.67 U EPD-WA-04-100523 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.053 0.3 UG/M3 0.30 U EPD-WA-04-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.12 0.82 UG/M3 0.82 U EPD-WA-04-100523 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.13 0.49 UG/M3 0.49 U EPD-WA-04-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.26 3.2 UG/M3 3.2 U EPD-WA-04-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.6 J 0.19 2 UG/M3 0.60 J EPD-WA-04-100523 TO-15 591-78-6 2-HEXANONE 2.8 U 0.43 2.8 UG/M3 2.8 U EPD-WA-04-100523 TO-15 67-63-0 2-PROPANOL 0.57 J 0.31 6.7 UG/M3 0.57 J EPD-WA-04-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.24 2.1 UG/M3 2.1 U EPD-WA-04-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.24 J 0.17 0.67 UG/M3 0.24 J- EPD-WA-04-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.2 J 0.18 0.56 UG/M3 0.20 J EPD-WA-04-100523 TO-15 67-64-1 ACETONE 9.7 0.95 6.5 UG/M3 9.7 EPD-WA-04-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.71 U 0.12 0.71 UG/M3 0.71 U EPD-WA-04-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.92 U 0.12 0.92 UG/M3 0.92 U EPD-WA-04-100523 TO-15 75-25-2 BROMOFORM 1.4 U 0.21 1.4 UG/M3 1.4 U EPD-WA-04-100523 TO-15 74-83-9 BROMOMETHANE 27 U 1.1 27 UG/M3 27 U EPD-WA-04-100523 TO-15 75-15-0 CARBON DISULFIDE 0.76 J 0.57 2.1 UG/M3 0.76 J EPD-WA-04-100523 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.05 0.63 UG/M3 0.63 U EPD-WA-04-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.097 0.62 UG/M3 0.62 U EPD-WA-04-100523 TO-15 98-82-8 CUMENE 0.67 U 0.086 0.67 UG/M3 0.67 U EPD-WA-04-100523 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.22 2.4 UG/M3 2.4 U EPD-WA-04-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.14 1.2 UG/M3 1.2 U EPD-WA-04-100523 TO-15 64-17-5 ETHANOL 3 J 0.4 5.2 UG/M3 3.0 J EPD-WA-04-100523 TO-15 75-69-4 FREON 11 0.92 0.12 0.77 UG/M3 0.92 EPD-WA-04-100523 TO-15 76-13-1 FREON 113 0.44 J 0.17 1 UG/M3 0.44 J EPD-WA-04-100523 TO-15 142-82-5 HEPTANE 2.8 U 0.21 2.8 UG/M3 2.8 U EPD-WA-04-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.3 UJ 1.7 7.3 UG/M3 7.3 UJ EPD-WA-04-100523 TO-15 110-54-3 HEXANE 0.46 J 0.21 2.4 UG/M3 0.46 J EPD-WA-04-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.95 U 0.86 0.95 UG/M3 0.95 U EPD-WA-04-100523 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.13 0.67 UG/M3 0.67 U EPD-WA-04-100523 TO-15 100-42-5 STYRENE 0.58 U 0.12 0.58 UG/M3 0.58 U EPD-WA-04-100523 TO-15 109-99-9 TETRAHYDROFURAN 0.48 J 0.41 2 UG/M3 0.48 J EPD-WA-04-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.15 0.62 UG/M3 0.62 U EPD-WA-04-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-04-100523 TO-15 106-97-8 BUTANE 0.75 NJ PPBV 0.75 NJ EPD-WA-04-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-04-100523 TO-15 NA UNKNOWN TIC 0.76 J PPBV 0.76 J EPD-WA-04-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-WA-04-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.19 U 0.052 0.19 UG/M3 0.19 U EPD-WA-04-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0085 0.15 UG/M3 0.15 U EPD-WA-04-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.012 0.11 UG/M3 0.11 U Page 9 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.011 0.054 UG/M3 0.054 U EPD-WA-04-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.013 0.21 UG/M3 0.21 U EPD-WA-04-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.037 J 0.011 0.11 UG/M3 0.037 J EPD-WA-04-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 UJ 0.082 0.16 UG/M3 0.16 UJ EPD-WA-04-100523 TO-15 SIM 71-43-2 BENZENE 0.46 0.018 0.22 UG/M3 0.46 EPD-WA-04-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.35 0.0075 0.17 UG/M3 0.35 EPD-WA-04-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.033 0.18 UG/M3 0.18 U EPD-WA-04-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.084 J 0.0082 0.13 UG/M3 0.084 J EPD-WA-04-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.69 J 0.2 1.4 UG/M3 0.69 J EPD-WA-04-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.0078 0.11 UG/M3 0.11 U EPD-WA-04-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.0059 0.12 UG/M3 0.11 J EPD-WA-04-100523 TO-15 SIM 76-14-2 FREON 114 0.09 J 0.011 0.19 UG/M3 0.090 J EPD-WA-04-100523 TO-15 SIM 75-71-8 FREON 12 1.8 0.0085 0.34 UG/M3 1.8 EPD-WA-04-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.41 0.012 0.24 UG/M3 0.41 EPD-WA-04-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.013 J 0.0061 0.49 UG/M3 0.013 J EPD-WA-04-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.12 J 0.094 0.36 UG/M3 0.36 UJ EPD-WA-04-100523 TO-15 SIM 95-47-6 O-XYLENE 0.17 0.017 0.12 UG/M3 0.17 EPD-WA-04-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.38 0.012 0.18 UG/M3 0.38 EPD-WA-04-100523 TO-15 SIM 108-88-3 TOLUENE 0.94 0.012 0.26 UG/M3 0.94 EPD-WA-04-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.12 J 0.0088 0.54 UG/M3 0.12 J EPD-WA-04-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.021 J 0.016 0.15 UG/M3 0.021 J EPD-WA-04-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0052 0.035 UG/M3 0.035 U EPD-WA-05-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-05-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.47 J 0.17 0.72 UG/M3 0.47 J EPD-WA-05-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-05-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-05-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.14 0.72 UG/M3 0.72 U EPD-WA-05-100523 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.044 0.32 UG/M3 0.32 U EPD-WA-05-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.087 0.88 UG/M3 0.88 U EPD-WA-05-100523 TO-15 123-91-1 1,4-DIOXANE 0.098 J 0.076 0.53 UG/M3 0.098 J EPD-WA-05-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.84 J 0.22 3.4 UG/M3 0.84 J EPD-WA-05-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.77 J 0.37 2.2 UG/M3 0.77 J EPD-WA-05-100523 TO-15 591-78-6 2-HEXANONE 3 U 0.57 3 UG/M3 3.0 U EPD-WA-05-100523 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-05-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-05-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.36 J 0.12 0.72 UG/M3 0.36 J EPD-WA-05-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.6 U 0.18 0.6 UG/M3 0.60 U EPD-WA-05-100523 TO-15 67-64-1 ACETONE 11 0.52 6.9 UG/M3 11 EPD-WA-05-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-05-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-05-100523 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-05-100523 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U Page 10 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-100523 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-05-100523 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.077 0.67 UG/M3 0.67 U EPD-WA-05-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-05-100523 TO-15 98-82-8 CUMENE 0.72 U 0.066 0.72 UG/M3 0.72 U EPD-WA-05-100523 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-05-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-05-100523 TO-15 64-17-5 ETHANOL 6.6 0.7 5.5 UG/M3 6.6 EPD-WA-05-100523 TO-15 75-69-4 FREON 11 1.3 0.12 0.82 UG/M3 1.3 EPD-WA-05-100523 TO-15 76-13-1 FREON 113 0.54 J 0.11 1.1 UG/M3 0.54 J EPD-WA-05-100523 TO-15 142-82-5 HEPTANE 0.6 J 0.42 3 UG/M3 0.60 J EPD-WA-05-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.8 U 0.51 7.8 UG/M3 7.8 U EPD-WA-05-100523 TO-15 110-54-3 HEXANE 1.1 J 0.23 2.6 UG/M3 1.1 J EPD-WA-05-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.56 J 0.32 1 UG/M3 0.56 J EPD-WA-05-100523 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.16 0.72 UG/M3 0.72 U EPD-WA-05-100523 TO-15 100-42-5 STYRENE 0.62 U 0.1 0.62 UG/M3 0.62 U EPD-WA-05-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.36 2.2 UG/M3 2.2 U EPD-WA-05-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.66 U 0.14 0.66 UG/M3 0.66 U EPD-WA-05-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-05-100523 TO-15 106-97-8 BUTANE 1.5 NJ PPBV 1.5 NJ EPD-WA-05-100523 TO-15 78-78-4 BUTANE, 2-METHYL- 1.5 NJ PPBV 1.5 NJ EPD-WA-05-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-05-100523 TO-15 66-25-1 HEXANAL 1.3 NJ PPBV 1.3 NJ EPD-WA-05-100523 TO-15 109-66-0 PENTANE 0.91 NJ PPBV 0.91 NJ EPD-WA-05-100523 TO-15 NA UNKNOWN TIC 0.92 J PPBV 0.92 J EPD-WA-05-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-05-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.2 U 0.085 0.2 UG/M3 0.20 U EPD-WA-05-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.055 0.16 UG/M3 0.16 U EPD-WA-05-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-05-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.022 0.058 UG/M3 0.058 U EPD-WA-05-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.079 0.22 UG/M3 0.22 U EPD-WA-05-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.068 J 0.03 0.12 UG/M3 0.068 J EPD-WA-05-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.066 J 0.062 0.18 UG/M3 0.18 UJ EPD-WA-05-100523 TO-15 SIM 71-43-2 BENZENE 0.72 0.026 0.23 UG/M3 0.72 EPD-WA-05-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.48 0.039 0.18 UG/M3 0.48 EPD-WA-05-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-05-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.11 J 0.021 0.14 UG/M3 0.11 J EPD-WA-05-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.92 J 0.3 1.5 UG/M3 0.92 J EPD-WA-05-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-05-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.27 0.012 0.13 UG/M3 0.27 EPD-WA-05-100523 TO-15 SIM 76-14-2 FREON 114 0.13 J 0.016 0.2 UG/M3 0.13 J EPD-WA-05-100523 TO-15 SIM 75-71-8 FREON 12 2.5 0.026 0.36 UG/M3 2.5 EPD-WA-05-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 1 0.0077 0.25 UG/M3 1.0 Page 11 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-05-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.3 J 0.11 0.38 UG/M3 0.30 J EPD-WA-05-100523 TO-15 SIM 95-47-6 O-XYLENE 0.37 0.011 0.13 UG/M3 0.37 EPD-WA-05-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.12 J 0.11 0.2 UG/M3 0.12 J EPD-WA-05-100523 TO-15 SIM 108-88-3 TOLUENE 2.2 0.014 0.28 UG/M3 2.2 EPD-WA-05-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.58 U 0.013 0.58 UG/M3 0.58 U EPD-WA-05-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-05-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.037 U 0.011 0.037 UG/M3 0.037 U EPD-WA-06-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-06-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.37 J 0.17 0.72 UG/M3 0.37 J EPD-WA-06-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-06-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-06-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.14 J 0.14 0.72 UG/M3 0.14 J EPD-WA-06-100523 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.044 0.32 UG/M3 0.32 U EPD-WA-06-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.087 0.88 UG/M3 0.88 U EPD-WA-06-100523 TO-15 123-91-1 1,4-DIOXANE 0.19 J 0.076 0.53 UG/M3 0.19 J EPD-WA-06-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.81 J 0.22 3.4 UG/M3 0.81 J EPD-WA-06-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1 J 0.37 2.2 UG/M3 1.0 J EPD-WA-06-100523 TO-15 591-78-6 2-HEXANONE 3 U 0.57 3 UG/M3 3.0 U EPD-WA-06-100523 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-06-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-06-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.12 0.72 UG/M3 0.72 U EPD-WA-06-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.6 U 0.18 0.6 UG/M3 0.60 U EPD-WA-06-100523 TO-15 67-64-1 ACETONE 12 0.52 6.9 UG/M3 12 EPD-WA-06-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-06-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-06-100523 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-06-100523 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-06-100523 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-06-100523 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.077 0.67 UG/M3 0.67 U EPD-WA-06-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-06-100523 TO-15 98-82-8 CUMENE 0.72 U 0.066 0.72 UG/M3 0.72 U EPD-WA-06-100523 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-06-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-06-100523 TO-15 64-17-5 ETHANOL 6.8 0.7 5.5 UG/M3 6.8 EPD-WA-06-100523 TO-15 75-69-4 FREON 11 1.3 0.12 0.82 UG/M3 1.3 EPD-WA-06-100523 TO-15 76-13-1 FREON 113 0.55 J 0.11 1.1 UG/M3 0.55 J EPD-WA-06-100523 TO-15 142-82-5 HEPTANE 0.5 J 0.42 3 UG/M3 0.50 J EPD-WA-06-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.8 U 0.51 7.8 UG/M3 7.8 U EPD-WA-06-100523 TO-15 110-54-3 HEXANE 1 J 0.23 2.6 UG/M3 1.0 J EPD-WA-06-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.51 J 0.32 1 UG/M3 0.51 J EPD-WA-06-100523 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.16 0.72 UG/M3 0.72 U Page 12 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100523 TO-15 100-42-5 STYRENE 0.62 U 0.1 0.62 UG/M3 0.62 U EPD-WA-06-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.36 2.2 UG/M3 2.2 U EPD-WA-06-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.66 U 0.14 0.66 UG/M3 0.66 U EPD-WA-06-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-06-100523 TO-15 106-97-8 BUTANE 1.5 NJ PPBV 1.5 NJ EPD-WA-06-100523 TO-15 78-78-4 BUTANE, 2-METHYL- 1 NJ PPBV 1.0 NJ EPD-WA-06-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-06-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-06-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.2 U 0.085 0.2 UG/M3 0.20 U EPD-WA-06-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.055 0.16 UG/M3 0.16 U EPD-WA-06-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-06-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.022 0.058 UG/M3 0.058 U EPD-WA-06-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.079 0.22 UG/M3 0.22 U EPD-WA-06-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.061 J 0.03 0.12 UG/M3 0.061 J EPD-WA-06-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.1 J 0.062 0.18 UG/M3 0.18 UJ EPD-WA-06-100523 TO-15 SIM 71-43-2 BENZENE 0.65 0.026 0.23 UG/M3 0.65 EPD-WA-06-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.039 0.18 UG/M3 0.47 EPD-WA-06-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-06-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.1 J 0.021 0.14 UG/M3 0.10 J EPD-WA-06-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.9 J 0.3 1.5 UG/M3 0.90 J EPD-WA-06-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.41 0.011 0.12 UG/M3 0.41 EPD-WA-06-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.21 0.012 0.13 UG/M3 0.21 EPD-WA-06-100523 TO-15 SIM 76-14-2 FREON 114 0.14 J 0.016 0.2 UG/M3 0.14 J EPD-WA-06-100523 TO-15 SIM 75-71-8 FREON 12 2.5 0.026 0.36 UG/M3 2.5 EPD-WA-06-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.73 0.0077 0.25 UG/M3 0.73 EPD-WA-06-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-06-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.42 0.11 0.38 UG/M3 0.42 EPD-WA-06-100523 TO-15 SIM 95-47-6 O-XYLENE 0.27 0.011 0.13 UG/M3 0.27 EPD-WA-06-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.16 J 0.11 0.2 UG/M3 0.16 J EPD-WA-06-100523 TO-15 SIM 108-88-3 TOLUENE 1.5 0.014 0.28 UG/M3 1.5 EPD-WA-06-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.58 U 0.013 0.58 UG/M3 0.58 U EPD-WA-06-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 1.7 0.021 0.16 UG/M3 1.7 EPD-WA-06-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.081 0.011 0.037 UG/M3 0.081 EPD-WA-44-100523 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 1.1 5.3 UG/M3 5.3 U EPD-WA-44-100523 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.22 J 0.14 0.7 UG/M3 0.22 J EPD-WA-44-100523 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.85 U 0.19 0.85 UG/M3 0.85 U EPD-WA-44-100523 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-44-100523 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.7 U 0.13 0.7 UG/M3 0.70 U EPD-WA-44-100523 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.055 0.31 UG/M3 0.31 U EPD-WA-44-100523 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.85 U 0.13 0.85 UG/M3 0.85 U EPD-WA-44-100523 TO-15 123-91-1 1,4-DIOXANE 0.51 U 0.14 0.51 UG/M3 0.51 U EPD-WA-44-100523 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.3 U 0.27 3.3 UG/M3 3.3 U Page 13 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-44-100523 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.46 J 0.2 2.1 UG/M3 0.46 J EPD-WA-44-100523 TO-15 591-78-6 2-HEXANONE 2.9 U 0.44 2.9 UG/M3 2.9 U EPD-WA-44-100523 TO-15 67-63-0 2-PROPANOL 0.49 J 0.32 7 UG/M3 0.49 J EPD-WA-44-100523 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.24 2.2 UG/M3 2.2 U EPD-WA-44-100523 TO-15 622-96-8 4-ETHYLTOLUENE 0.19 J 0.17 0.7 UG/M3 0.19 J- EPD-WA-44-100523 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.58 U 0.19 0.58 UG/M3 0.58 U EPD-WA-44-100523 TO-15 67-64-1 ACETONE 6.6 J 0.98 6.7 UG/M3 6.6 J EPD-WA-44-100523 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.12 0.74 UG/M3 0.74 U EPD-WA-44-100523 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.95 U 0.12 0.95 UG/M3 0.95 U EPD-WA-44-100523 TO-15 75-25-2 BROMOFORM 1.5 U 0.22 1.5 UG/M3 1.5 U EPD-WA-44-100523 TO-15 74-83-9 BROMOMETHANE 28 U 1.2 28 UG/M3 28 U EPD-WA-44-100523 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.59 2.2 UG/M3 2.2 U EPD-WA-44-100523 TO-15 108-90-7 CHLOROBENZENE 0.65 U 0.052 0.65 UG/M3 0.65 U EPD-WA-44-100523 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-WA-44-100523 TO-15 98-82-8 CUMENE 0.7 U 0.089 0.7 UG/M3 0.70 U EPD-WA-44-100523 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.23 2.4 UG/M3 2.4 U EPD-WA-44-100523 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.15 1.2 UG/M3 1.2 U EPD-WA-44-100523 TO-15 64-17-5 ETHANOL 3.5 J 0.42 5.4 UG/M3 3.5 J EPD-WA-44-100523 TO-15 75-69-4 FREON 11 0.97 0.13 0.8 UG/M3 0.97 EPD-WA-44-100523 TO-15 76-13-1 FREON 113 0.5 J 0.18 1.1 UG/M3 0.50 J EPD-WA-44-100523 TO-15 142-82-5 HEPTANE 2.9 U 0.22 2.9 UG/M3 2.9 U EPD-WA-44-100523 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.6 UJ 1.8 7.6 UG/M3 7.6 UJ EPD-WA-44-100523 TO-15 110-54-3 HEXANE 0.43 J 0.22 2.5 UG/M3 0.43 J EPD-WA-44-100523 TO-15 75-09-2 METHYLENE CHLORIDE 0.99 U 0.89 0.99 UG/M3 0.99 U EPD-WA-44-100523 TO-15 103-65-1 PROPYLBENZENE 0.7 U 0.14 0.7 UG/M3 0.70 U EPD-WA-44-100523 TO-15 100-42-5 STYRENE 0.6 U 0.12 0.6 UG/M3 0.60 U EPD-WA-44-100523 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.43 2.1 UG/M3 2.1 U EPD-WA-44-100523 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.64 U 0.16 0.64 UG/M3 0.64 U EPD-WA-44-100523 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-44-100523 TO-15 106-97-8 BUTANE 0.76 NJ PPBV 0.76 NJ EPD-WA-44-100523 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-44-100523 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-WA-44-100523 TO-15 SIM 79-34-5 1,1,2,2-TETRACHLOROETHANE 0.19 U 0.053 0.19 UG/M3 0.19 U EPD-WA-44-100523 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0088 0.15 UG/M3 0.15 U EPD-WA-44-100523 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.012 0.11 UG/M3 0.11 U EPD-WA-44-100523 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.056 U 0.011 0.056 UG/M3 0.056 U EPD-WA-44-100523 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.014 0.22 UG/M3 0.22 U EPD-WA-44-100523 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.039 J 0.011 0.11 UG/M3 0.039 J EPD-WA-44-100523 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 UJ 0.085 0.17 UG/M3 0.17 UJ EPD-WA-44-100523 TO-15 SIM 71-43-2 BENZENE 0.46 0.018 0.23 UG/M3 0.46 EPD-WA-44-100523 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.36 0.0078 0.18 UG/M3 0.36 EPD-WA-44-100523 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.034 0.19 UG/M3 0.19 U Page 14 of 15 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310096 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-44-100523 TO-15 SIM 67-66-3 CHLOROFORM 0.08 J 0.0084 0.14 UG/M3 0.080 J EPD-WA-44-100523 TO-15 SIM 74-87-3 CHLOROMETHANE 0.68 J 0.21 1.5 UG/M3 0.68 J EPD-WA-44-100523 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.008 0.11 UG/M3 0.11 U EPD-WA-44-100523 TO-15 SIM 100-41-4 ETHYL BENZENE 0.11 J 0.0062 0.12 UG/M3 0.11 J EPD-WA-44-100523 TO-15 SIM 76-14-2 FREON 114 0.092 J 0.012 0.2 UG/M3 0.092 J EPD-WA-44-100523 TO-15 SIM 75-71-8 FREON 12 1.8 0.0088 0.35 UG/M3 1.8 EPD-WA-44-100523 TO-15 SIM 179601-23-1 M,P-XYLENE 0.4 0.013 0.25 UG/M3 0.40 EPD-WA-44-100523 TO-15 SIM 1634-04-4 METHYLTERT-BUTYL ETHER 0.51 U 0.0063 0.51 UG/M3 0.51 U EPD-WA-44-100523 TO-15 SIM 91-20-3 NAPHTHALENE 0.13 J 0.097 0.37 UG/M3 0.37 UJ EPD-WA-44-100523 TO-15 SIM 95-47-6 O-XYLENE 0.16 0.018 0.12 UG/M3 0.16 J+ EPD-WA-44-100523 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.41 0.013 0.19 UG/M3 0.41 EPD-WA-44-100523 TO-15 SIM 108-88-3 TOLUENE 0.95 0.012 0.27 UG/M3 0.95 EPD-WA-44-100523 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.019 J 0.0092 0.56 UG/M3 0.019 J EPD-WA-44-100523 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.016 0.15 UG/M3 0.15 U EPD-WA-44-100523 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.0054 0.036 UG/M3 0.036 U Page 15 of 15 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 2227b Laboratory Report No. 2310117 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 pair Collection Date(s) 10/06/2023 Field Duplicate Pairs EPD-WA-01-100623/EPD-WA-11-100623 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, East Palestine Train Derailment Site, East Palestine, Columbiana County, Ohio, Revision 3 (April 2023), 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 this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) and Chain of Custody (COC) were not provided in the Level II laboratory report. The laboratory provided the RPDs and COC separately. No qualifications were applied. TETRA TECH Page 1 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes N The residual canister receipt vacuums in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that all values were negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums were recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures were recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes N TO-15 SIM (2310117-10B): 1,4-Dichlorobenzene and m,p-xylene were detected in the method blank at levels between the method detection limit (MDL) and reporting limit (RL). All 1,4-dichlorobenzene sample results were nondetect; therefore, no qualifications were necessary. m,p-Xylene in sample EPD-WA-05-100623 was greater than ten times the blank value; therefore, no qualifications were necessary. The results for m,p-xylene in samples EPD-WA-02-100623, EPD-WA-03-100623, EPD-WA-06-100623, and EPD-UW- E-100623, were below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. TO-15 scan (2310117-10C): 1,2-Dichlorobenzene, acetone, alpha-chlorotoluene and carbon disulfide were detected in the method blank at levels between the MDL and RL. All associated 1,2-dichlorobenzene and alpha-chlorotoluene sample results were nondetect; therefore, no qualifications were necessary. The acetone results for samples EPD-WA-01-100623, EPD-WA-04-100623, EPD-WA-11-100623, and EPD-DW-A-100623 were greater than the RL but less than ten times the blank results; therefore, results were qualified as estimated, possibly biased high (flagged J+). Carbon disulfide in sample EPD-WA-11-100623 was detected below the RL; therefore, the result was qualified as nondetect (flagged U) at the RL. All remaining associated carbon disulfide samples were nondetect; therefore no qualifications necessary. TETRA TECH Page 2 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT TO-15 SIM (2310117-10D): 1,4-Dichlorobenzene, benzene, ethyl benzene, m,p-xylene, tetrachloroethene and toluene were detected in the method blank at levels between the MDL and RL. All 1,2-dichlorobenzene sample results were nondetect and all benzene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. Ethyl benzene in samples EPD-DW-A-100623 and EPD-WA-01-100623 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All remaining associated ethyl benzene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. m,p-Xylene in sample EPD-DW-A-100623 was detected below the RL; therefore, the result was qualified as nondetect (flagged U) at the RL. All remaining associated m,p-xylene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. The tetrachloroethene results for samples EPD-WA-01-100623, EPD-WA- 04-100623, EPD-WA-11-100623, and EPD-DW-A-100623 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. Toluene in sample EPD-WA-11-100623 was greater than ten times the blank value; therefore, no qualifications were necessary. The toluene results for samples EPD-WA-01-100623, EPD-WA-04-100623, and EPD-DW-A-100623 were greater than the RL but less than ten times the blank result; therefore, results were qualified as estimated, possibly biased high (flagged J+). Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y MS/MSDs: Within Criteria Exceedance/Notes NA TETRA TECH Page 3 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Laboratory duplicates: Within Criteria Exceedance/Notes NA Field duplicates: Within Criteria Exceedance/Notes N EPD-WA-01-100623/EPD-WA-11-100623: Precision criteria were not met for the field duplicate pair for acetone, heptane, m,p- xylene, toluene, and trans-l,2-dichloroethene. The results for these analytes in the parent sample and field duplicate were qualified as estimated (flagged J). The results for acetone in samples EPD-WA-01-100623 and EPD-WA-11-100623, and toluene in sample EPD-WA-01-100623 were further qualified J+ due to blank contamination. LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factors ranged from 1.44 to 1.53. While no qualifications were applied, the data user should be aware of increased reporting limits for sample dilutions. Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA TETRA TECH Page 4 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT 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 most samples. The laboratory qualified known TICs as tentatively identified (flagged NJ). The laboratory qualified unknown TICs as estimated (flagged J). The laboratory qualified the results for 2-ethyl-l-hexanol and butyl acrylate as manually searched for, but not found in the sample (flagged U,NF). Other [Continuing calibration]: Within Criteria Exceedance/Notes Y TETRA TECH Page 5 of 6 ------- 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 6 of 6 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-A-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.7 U 0.36 5.7 UG/M3 5.7 U EPD-DW-A-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.75 U 0.19 0.75 UG/M3 0.75 U EPD-DW-A-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.92 U 0.087 0.92 UG/M3 0.92 U EPD-DW-A-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.71 U 0.12 0.71 UG/M3 0.71 U EPD-DW-A-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.75 U 0.043 0.75 UG/M3 0.75 U EPD-DW-A-100623 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.031 0.34 UG/M3 0.34 U EPD-DW-A-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.92 U 0.079 0.92 UG/M3 0.92 U EPD-DW-A-100623 TO-15 123-91-1 1,4-DIOXANE 0.55 U 0.081 0.55 UG/M3 0.55 U EPD-DW-A-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.12 J 0.093 3.6 UG/M3 0.12 J EPD-DW-A-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.87 J 0.17 2.2 UG/M3 0.87 J EPD-DW-A-100623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.29 3.1 UG/M3 3.1 U EPD-DW-A-100623 TO-15 67-63-0 2-PROPANOL 7.5 U 0.6 7.5 UG/M3 7.5 U EPD-DW-A-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.3 2.4 UG/M3 2.4 U EPD-DW-A-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.076 J 0.041 0.75 UG/M3 0.076 J EPD-DW-A-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.63 U 0.084 0.63 UG/M3 0.63 U EPD-DW-A-100623 TO-15 67-64-1 ACETONE 10 2.4 7.3 UG/M3 10 J+ EPD-DW-A-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.79 U 0.098 0.79 UG/M3 0.79 U EPD-DW-A-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.15 1 UG/M3 1.0 U EPD-DW-A-100623 TO-15 75-25-2 BROMOFORM 1.6 U 0.21 1.6 UG/M3 1.6 U EPD-DW-A-100623 TO-15 74-83-9 BROMOMETHANE 30 U 1.5 30 UG/M3 30 U EPD-DW-A-100623 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.1 2.4 UG/M3 2.4 U EPD-DW-A-100623 TO-15 108-90-7 CHLOROBENZENE 0.7 U 0.069 0.7 UG/M3 0.70 U EPD-DW-A-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.69 U 0.067 0.69 UG/M3 0.69 U EPD-DW-A-100623 TO-15 98-82-8 CUMENE 0.75 U 0.028 0.75 UG/M3 0.75 U EPD-DW-A-100623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.073 2.6 UG/M3 2.6 U EPD-DW-A-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.15 1.3 UG/M3 1.3 U EPD-DW-A-100623 TO-15 64-17-5 ETHANOL 2.4 J 0.41 5.8 UG/M3 2.4 J EPD-DW-A-100623 TO-15 75-69-4 FREON 11 1.1 0.12 0.86 UG/M3 1.1 EPD-DW-A-100623 TO-15 76-13-1 FREON 113 0.4 J 0.18 1.2 UG/M3 0.40 J EPD-DW-A-100623 TO-15 142-82-5 HEPTANE 0.16 J 0.089 3.1 UG/M3 0.16 J EPD-DW-A-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.2 U 0.31 8.2 UG/M3 8.2 U EPD-DW-A-100623 TO-15 110-54-3 HEXANE 0.27 J 0.063 2.7 UG/M3 0.27 J EPD-DW-A-100623 TO-15 75-09-2 METHYLENE CHLORIDE 1.1 U 0.72 1.1 UG/M3 1.1 u EPD-DW-A-100623 TO-15 103-65-1 PROPYLBENZENE 0.75 U 0.11 0.75 UG/M3 0.75 u EPD-DW-A-100623 TO-15 100-42-5 STYRENE 0.65 U 0.047 0.65 UG/M3 0.65 u EPD-DW-A-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.62 2.2 UG/M3 2.2 u EPD-DW-A-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.69 u 0.097 0.69 UG/M3 0.69 u EPD-DW-A-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U,NF EPD-DW-A-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 u PPBV 0 U,NF Page 1 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-A-100623 TO-15 7440-63-3 XENON 3.2 NJ PPBV 3.2 NJ EPD-DW-A-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.17 U 0.014 0.17 UG/M3 0.17 U EPD-DW-A-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.21 U 0.054 0.21 UG/M3 0.21 U EPD-DW-A-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.17 U 0.0085 0.17 UG/M3 0.17 U EPD-DW-A-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.0068 0.12 UG/M3 0.12 U EPD-DW-A-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.061 U 0.0077 0.061 UG/M3 0.061 U EPD-DW-A-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.24 U 0.023 0.24 UG/M3 0.24 U EPD-DW-A-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.016 0.12 UG/M3 0.055 J EPD-DW-A-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.058 0.18 UG/M3 0.18 U EPD-DW-A-100623 TO-15 SIM 71-43-2 BENZENE 0.31 0.021 0.24 UG/M3 0.31 EPD-DW-A-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.039 0.19 UG/M3 0.46 EPD-DW-A-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.012 0.2 UG/M3 0.20 U EPD-DW-A-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.064 J 0.0081 0.15 UG/M3 0.064 J EPD-DW-A-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.72 J 0.11 1.6 UG/M3 0.72 J EPD-DW-A-100623 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.12 U 0.0045 0.12 UG/M3 0.12 U EPD-DW-A-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.062 J 0.004 0.13 UG/M3 0.13 U EPD-DW-A-100623 TO-15 SIM 76-14-2 FREON 114 0.097 J 0.024 0.21 UG/M3 0.097 J EPD-DW-A-100623 TO-15 SIM 75-71-8 FREON 12 2 0.024 0.38 UG/M3 2.0 EPD-DW-A-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.17 J 0.009 0.26 UG/M3 0.26 U EPD-DW-A-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.55 U 0.0031 0.55 UG/M3 0.55 U EPD-DW-A-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.093 J 0.056 0.4 UG/M3 0.093 J EPD-DW-A-100623 TO-15 SIM 95-47-6 O-XYLENE 0.069 J 0.0024 0.13 UG/M3 0.069 J EPD-DW-A-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.056 J 0.01 0.21 UG/M3 0.21 U EPD-DW-A-100623 TO-15 SIM 108-88-3 TOLUENE 0.54 0.014 0.29 UG/M3 0.54 J+ EPD-DW-A-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.61 U 0.0062 0.61 UG/M3 0.61 U EPD-DW-A-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.011 0.16 UG/M3 0.16 U EPD-DW-A-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.039 U 0.0052 0.039 UG/M3 0.039 U EPD-UW-E-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.2 5.6 UG/M3 5.6 U EPD-UW-E-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.75 U 0.18 0.75 UG/M3 0.75 U EPD-UW-E-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.14 0.91 UG/M3 0.91 U EPD-UW-E-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.7 U 0.14 0.7 UG/M3 0.70 U EPD-UW-E-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.75 U 0.15 0.75 UG/M3 0.75 U EPD-UW-E-100623 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.046 0.34 UG/M3 0.34 U EPD-UW-E-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.091 0.91 UG/M3 0.91 U EPD-UW-E-100623 TO-15 123-91-1 1,4-DIOXANE 0.55 U 0.079 0.55 UG/M3 0.55 U EPD-UW-E-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.6 U 0.23 3.6 UG/M3 3.6 U EPD-UW-E-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.74 J 0.38 2.2 UG/M3 0.74 J EPD-UW-E-100623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.59 3.1 UG/M3 3.1 U EPD-UW-E-100623 TO-15 67-63-0 2-PROPANOL 7.5 U 0.18 7.5 UG/M3 7.5 u Page 2 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-E-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.21 2.4 UG/M3 2.4 U EPD-UW-E-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.75 U 0.13 0.75 UG/M3 0.75 U EPD-UW-E-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.19 0.62 UG/M3 0.62 U EPD-UW-E-100623 TO-15 67-64-1 ACETONE 8.8 0.54 7.2 UG/M3 8.8 EPD-UW-E-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.79 U 0.23 0.79 UG/M3 0.79 U EPD-UW-E-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.13 1 UG/M3 1.0 U EPD-UW-E-100623 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-UW-E-100623 TO-15 74-83-9 BROMOMETHANE 30 U 1.4 30 UG/M3 30 U EPD-UW-E-100623 TO-15 75-15-0 CARBON DISULFIDE 2.4 U 0.1 2.4 UG/M3 2.4 U EPD-UW-E-100623 TO-15 108-90-7 CHLOROBENZENE 0.7 U 0.081 0.7 UG/M3 0.70 U EPD-UW-E-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.69 U 0.18 0.69 UG/M3 0.69 U EPD-UW-E-100623 TO-15 98-82-8 CUMENE 0.75 U 0.069 0.75 UG/M3 0.75 U EPD-UW-E-100623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-UW-E-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-UW-E-100623 TO-15 64-17-5 ETHANOL 1.9 J 0.73 5.7 UG/M3 1.9 J EPD-UW-E-100623 TO-15 75-69-4 FREON 11 1.2 0.13 0.85 UG/M3 1.2 EPD-UW-E-100623 TO-15 76-13-1 FREON 113 0.53 J 0.12 1.2 UG/M3 0.53 J EPD-UW-E-100623 TO-15 142-82-5 HEPTANE 3.1 U 0.43 3.1 UG/M3 3.1 U EPD-UW-E-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.1 U 0.53 8.1 UG/M3 8.1 U EPD-UW-E-100623 TO-15 110-54-3 HEXANE 2.7 U 0.24 2.7 UG/M3 2.7 U EPD-UW-E-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.59 J 0.33 1 UG/M3 0.59 J EPD-UW-E-100623 TO-15 103-65-1 PROPYLBENZENE 0.75 U 0.17 0.75 UG/M3 0.75 U EPD-UW-E-100623 TO-15 100-42-5 STYRENE 0.65 U 0.1 0.65 UG/M3 0.65 U EPD-UW-E-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.38 2.2 UG/M3 2.2 U EPD-UW-E-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.69 U 0.14 0.69 UG/M3 0.69 U EPD-UW-E-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-UW-E-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-UW-E-100623 TO-15 124-19-6 NONANAL 2.1 NJ PPBV 2.1 NJ EPD-UW-E-100623 TO-15 124-13-0 OCTANAL 0.79 NJ PPBV 0.79 NJ EPD-UW-E-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-UW-E-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.21 U 0.089 0.21 UG/M3 0.21 U EPD-UW-E-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.057 0.16 UG/M3 0.16 U EPD-UW-E-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-UW-E-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.06 U 0.023 0.06 UG/M3 0.060 U EPD-UW-E-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.082 0.23 UG/M3 0.23 U EPD-UW-E-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.06 J 0.031 0.12 UG/M3 0.060 J EPD-UW-E-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.065 0.18 UG/M3 0.18 U EPD-UW-E-100623 TO-15 SIM 71-43-2 BENZENE 0.31 0.027 0.24 UG/M3 0.31 EPD-UW-E-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.49 0.041 0.19 UG/M3 0.49 Page 3 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-E-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.2 UG/M3 0.20 U EPD-UW-E-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.07 J 0.022 0.15 UG/M3 0.070 J EPD-UW-E-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.92 J 0.32 1.6 UG/M3 0.92 J EPD-UW-E-100623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-UW-E-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.05 J 0.013 0.13 UG/M3 0.050 J EPD-UW-E-100623 TO-15 SIM 76-14-2 FREON 114 0.13 J 0.017 0.21 UG/M3 0.13 J EPD-UW-E-100623 TO-15 SIM 75-71-8 FREON 12 2.6 0.028 0.38 UG/M3 2.6 EPD-UW-E-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.14 J 0.008 0.26 UG/M3 0.26 U EPD-UW-E-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.55 U 0.015 0.55 UG/M3 0.55 U EPD-UW-E-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.4 U 0.12 0.4 UG/M3 0.40 U EPD-UW-E-100623 TO-15 SIM 95-47-6 O-XYLENE 0.058 J 0.011 0.13 UG/M3 0.058 J EPD-UW-E-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.21 U 0.11 0.21 UG/M3 0.21 U EPD-UW-E-100623 TO-15 SIM 108-88-3 TOLUENE 0.37 0.015 0.29 UG/M3 0.37 EPD-UW-E-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.086 J 0.014 0.6 UG/M3 0.086 J EPD-UW-E-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-UW-E-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.039 U 0.011 0.039 UG/M3 0.039 U EPD-WA-01-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 0.35 5.6 UG/M3 5.6 U EPD-WA-01-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.74 U 0.18 0.74 UG/M3 0.74 U EPD-WA-01-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.9 U 0.085 0.9 UG/M3 0.90 U EPD-WA-01-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.69 U 0.12 0.69 UG/M3 0.69 U EPD-WA-01-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.043 J 0.042 0.74 UG/M3 0.043 J EPD-WA-01-100623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.03 0.33 UG/M3 0.33 U EPD-WA-01-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.9 U 0.077 0.9 UG/M3 0.90 U EPD-WA-01-100623 TO-15 123-91-1 1,4-DIOXANE 0.082 J 0.079 0.54 UG/M3 0.082 J EPD-WA-01-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.32 J 0.091 3.5 UG/M3 0.32 J EPD-WA-01-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.1 J 0.17 2.2 UG/M3 1.1 J EPD-WA-01-100623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.28 3.1 UG/M3 3.1 U EPD-WA-01-100623 TO-15 67-63-0 2-PROPANOL 0.94 J 0.59 7.4 UG/M3 0.94 J EPD-WA-01-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.29 2.3 UG/M3 2.3 U EPD-WA-01-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.14 J 0.04 0.74 UG/M3 0.14 J EPD-WA-01-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.083 0.61 UG/M3 0.61 U EPD-WA-01-100623 TO-15 67-64-1 ACETONE 12 2.3 7.1 UG/M3 12 J+ EPD-WA-01-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.096 0.78 UG/M3 0.78 U EPD-WA-01-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.14 1 UG/M3 1.0 U EPD-WA-01-100623 TO-15 75-25-2 BROMOFORM 1.6 U 0.2 1.6 UG/M3 1.6 U EPD-WA-01-100623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-WA-01-100623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-01-100623 TO-15 108-90-7 CHLOROBENZENE 0.69 U 0.068 0.69 UG/M3 0.69 U EPD-WA-01-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.066 0.68 UG/M3 0.68 u Page 4 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100623 TO-15 98-82-8 CUMENE 0.74 U 0.028 0.74 UG/M3 0.74 U EPD-WA-01-100623 TO-15 110-82-7 CYCLOHEXANE 0.086 J 0.072 2.6 UG/M3 0.086 J EPD-WA-01-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.14 1.3 UG/M3 1.3 U EPD-WA-01-100623 TO-15 64-17-5 ETHANOL 4.2 J 0.4 5.6 UG/M3 4.2 J EPD-WA-01-100623 TO-15 75-69-4 FREON 11 1.1 0.12 0.84 UG/M3 1.1 EPD-WA-01-100623 TO-15 76-13-1 FREON 113 0.4 J 0.17 1.1 UG/M3 0.40 J EPD-WA-01-100623 TO-15 142-82-5 HEPTANE 0.78 J 0.087 3.1 UG/M3 0.78 J EPD-WA-01-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8 U 0.3 8 UG/M3 8.0 U EPD-WA-01-100623 TO-15 110-54-3 HEXANE 0.65 J 0.061 2.6 UG/M3 0.65 J EPD-WA-01-100623 TO-15 75-09-2 METHYLENE CHLORIDE 1 U 0.7 1 UG/M3 1.0 U EPD-WA-01-100623 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.11 0.74 UG/M3 0.74 U EPD-WA-01-100623 TO-15 100-42-5 STYRENE 0.64 U 0.046 0.64 UG/M3 0.64 U EPD-WA-01-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.61 2.2 UG/M3 2.2 U EPD-WA-01-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.68 U 0.095 0.68 UG/M3 0.68 U EPD-WA-01-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-01-100623 TO-15 106-97-8 BUTANE 0.81 NJ PPBV 0.81 NJ EPD-WA-01-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-01-100623 TO-15 75-28-5 ISOBUTANE 0.82 NJ PPBV 0.82 NJ EPD-WA-01-100623 TO-15 7440-63-3 XENON 3.1 NJ PPBV 3.1 NJ EPD-WA-01-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-01-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.053 0.2 UG/M3 0.20 U EPD-WA-01-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.0083 0.16 UG/M3 0.16 U EPD-WA-01-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.0067 0.12 UG/M3 0.12 U EPD-WA-01-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.0076 0.059 UG/M3 0.059 U EPD-WA-01-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.023 0.23 UG/M3 0.23 U EPD-WA-01-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.016 0.12 UG/M3 0.055 J EPD-WA-01-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.057 0.18 UG/M3 0.18 U EPD-WA-01-100623 TO-15 SIM 71-43-2 BENZENE 0.48 0.02 0.24 UG/M3 0.48 EPD-WA-01-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.038 0.19 UG/M3 0.45 EPD-WA-01-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.012 0.2 UG/M3 0.20 U EPD-WA-01-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.064 J 0.008 0.15 UG/M3 0.064 J EPD-WA-01-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.72 J 0.1 1.5 UG/M3 0.72 J EPD-WA-01-100623 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.12 U 0.0045 0.12 UG/M3 0.12 U EPD-WA-01-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 J 0.0039 0.13 UG/M3 0.13 U EPD-WA-01-100623 TO-15 SIM 76-14-2 FREON 114 0.1 J 0.024 0.21 UG/M3 0.10 J EPD-WA-01-100623 TO-15 SIM 75-71-8 FREON 12 2 0.023 0.37 UG/M3 2.0 EPD-WA-01-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.36 0.0088 0.26 UG/M3 0.36 J EPD-WA-01-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.003 0.54 UG/M3 0.54 U EPD-WA-01-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.058 J 0.055 0.39 UG/M3 0.058 J Page 5 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100623 TO-15 SIM 95-47-6 O-XYLENE 0.14 0.0023 0.13 UG/M3 0.14 EPD-WA-01-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.067 J 0.0099 0.2 UG/M3 0.20 U EPD-WA-01-100623 TO-15 SIM 108-88-3 TOLUENE 1 0.014 0.28 UG/M3 1.0 J+ EPD-WA-01-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.014 J 0.0061 0.59 UG/M3 0.014 J EPD-WA-01-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.017 J 0.01 0.16 UG/M3 0.017 J EPD-WA-01-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.0051 0.038 UG/M3 0.038 U EPD-WA-02-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-02-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-02-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-02-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-02-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.14 0.72 UG/M3 0.72 U EPD-WA-02-100623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.044 0.32 UG/M3 0.32 U EPD-WA-02-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.087 0.88 UG/M3 0.88 U EPD-WA-02-100623 TO-15 123-91-1 1,4-DIOXANE 0.19 J 0.076 0.53 UG/M3 0.19 J EPD-WA-02-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.29 J 0.22 3.4 UG/M3 0.29 J EPD-WA-02-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1 J 0.37 2.2 UG/M3 1.0 J EPD-WA-02-100623 TO-15 591-78-6 2-HEXANONE 3 U 0.57 3 UG/M3 3.0 U EPD-WA-02-100623 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-02-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-02-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.12 0.72 UG/M3 0.72 U EPD-WA-02-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.6 U 0.18 0.6 UG/M3 0.60 U EPD-WA-02-100623 TO-15 67-64-1 ACETONE 8.8 0.52 6.9 UG/M3 8.8 EPD-WA-02-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-02-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-02-100623 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-02-100623 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-02-100623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-02-100623 TO-15 108-90-7 CHLOROBENZENE 0.67 U 0.077 0.67 UG/M3 0.67 U EPD-WA-02-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.66 U 0.18 0.66 UG/M3 0.66 U EPD-WA-02-100623 TO-15 98-82-8 CUMENE 0.72 U 0.066 0.72 UG/M3 0.72 U EPD-WA-02-100623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.42 2.5 UG/M3 2.5 U EPD-WA-02-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-02-100623 TO-15 64-17-5 ETHANOL 2.1 J 0.7 5.5 UG/M3 2.1 J EPD-WA-02-100623 TO-15 75-69-4 FREON 11 1.2 0.12 0.82 UG/M3 1.2 EPD-WA-02-100623 TO-15 76-13-1 FREON 113 0.6 J 0.11 1.1 UG/M3 0.60 J EPD-WA-02-100623 TO-15 142-82-5 HEPTANE 3 U 0.42 3 UG/M3 3.0 U EPD-WA-02-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.8 U 0.51 7.8 UG/M3 7.8 U EPD-WA-02-100623 TO-15 110-54-3 HEXANE 0.33 J 0.23 2.6 UG/M3 0.33 J EPD-WA-02-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.53 J 0.32 1 UG/M3 0.53 J Page 6 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-100623 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.16 0.72 UG/M3 0.72 U EPD-WA-02-100623 TO-15 100-42-5 STYRENE 0.62 U 0.1 0.62 UG/M3 0.62 U EPD-WA-02-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.36 2.2 UG/M3 2.2 U EPD-WA-02-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.66 U 0.14 0.66 UG/M3 0.66 U EPD-WA-02-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-02-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-02-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-02-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.085 0.2 UG/M3 0.20 U EPD-WA-02-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.055 0.16 UG/M3 0.16 U EPD-WA-02-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-02-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 U 0.022 0.058 UG/M3 0.058 U EPD-WA-02-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.079 0.22 UG/M3 0.22 U EPD-WA-02-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.058 J 0.03 0.12 UG/M3 0.058 J EPD-WA-02-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.062 0.18 UG/M3 0.18 U EPD-WA-02-100623 TO-15 SIM 71-43-2 BENZENE 0.39 0.026 0.23 UG/M3 0.39 EPD-WA-02-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.039 0.18 UG/M3 0.47 EPD-WA-02-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-02-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.071 J 0.021 0.14 UG/M3 0.071 J EPD-WA-02-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.89 J 0.3 1.5 UG/M3 0.89 J EPD-WA-02-100623 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-02-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.077 J 0.012 0.13 UG/M3 0.077 J EPD-WA-02-100623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.016 0.2 UG/M3 0.12 J EPD-WA-02-100623 TO-15 SIM 75-71-8 FREON 12 2.5 0.026 0.36 UG/M3 2.5 EPD-WA-02-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.23 J 0.0077 0.25 UG/M3 0.25 U EPD-WA-02-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-02-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.38 U 0.11 0.38 UG/M3 0.38 U EPD-WA-02-100623 TO-15 SIM 95-47-6 O-XYLENE 0.091 J 0.011 0.13 UG/M3 0.091 J EPD-WA-02-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.11 0.2 UG/M3 0.20 U EPD-WA-02-100623 TO-15 SIM 108-88-3 TOLUENE 0.52 0.014 0.28 UG/M3 0.52 EPD-WA-02-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.58 U 0.013 0.58 UG/M3 0.58 U EPD-WA-02-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-02-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.037 U 0.011 0.037 UG/M3 0.037 U EPD-WA-03-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 1.2 5.6 UG/M3 5.6 U EPD-WA-03-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.74 U 0.18 0.74 UG/M3 0.74 U EPD-WA-03-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.9 U 0.14 0.9 UG/M3 0.90 U EPD-WA-03-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.69 U 0.14 0.69 UG/M3 0.69 U EPD-WA-03-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.74 U 0.15 0.74 UG/M3 0.74 U EPD-WA-03-100623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.046 0.33 UG/M3 0.33 U EPD-WA-03-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.9 u 0.09 0.9 UG/M3 0.90 U Page 7 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100623 TO-15 123-91-1 1,4-DIOXANE 0.19 J 0.078 0.54 UG/M3 0.19 J EPD-WA-03-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.5 U 0.23 3.5 UG/M3 3.5 U EPD-WA-03-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.79 J 0.38 2.2 UG/M3 0.79 J EPD-WA-03-100623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.58 3.1 UG/M3 3.1 U EPD-WA-03-100623 TO-15 67-63-0 2-PROPANOL 7.4 U 0.18 7.4 UG/M3 7.4 U EPD-WA-03-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.21 2.3 UG/M3 2.3 U EPD-WA-03-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.74 U 0.12 0.74 UG/M3 0.74 U EPD-WA-03-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.3 J 0.19 0.61 UG/M3 0.30 J EPD-WA-03-100623 TO-15 67-64-1 ACETONE 12 0.53 7.1 UG/M3 12 EPD-WA-03-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.78 U 0.22 0.78 UG/M3 0.78 U EPD-WA-03-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.13 1 UG/M3 1.0 U EPD-WA-03-100623 TO-15 75-25-2 BROMOFORM 1.6 U 0.15 1.6 UG/M3 1.6 U EPD-WA-03-100623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-WA-03-100623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-03-100623 TO-15 108-90-7 CHLOROBENZENE 0.69 U 0.08 0.69 UG/M3 0.69 U EPD-WA-03-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-WA-03-100623 TO-15 98-82-8 CUMENE 0.74 U 0.068 0.74 UG/M3 0.74 U EPD-WA-03-100623 TO-15 110-82-7 CYCLOHEXANE 2.6 U 0.44 2.6 UG/M3 2.6 U EPD-WA-03-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.19 1.3 UG/M3 1.3 U EPD-WA-03-100623 TO-15 64-17-5 ETHANOL 2.4 J 0.72 5.6 UG/M3 2.4 J EPD-WA-03-100623 TO-15 75-69-4 FREON 11 1.4 0.13 0.84 UG/M3 1.4 EPD-WA-03-100623 TO-15 76-13-1 FREON 113 0.48 J 0.12 1.1 UG/M3 0.48 J EPD-WA-03-100623 TO-15 142-82-5 HEPTANE 3.1 U 0.43 3.1 UG/M3 3.1 U EPD-WA-03-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8 U 0.52 8 UG/M3 8.0 U EPD-WA-03-100623 TO-15 110-54-3 HEXANE 2.6 U 0.24 2.6 UG/M3 2.6 U EPD-WA-03-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.56 J 0.32 1 UG/M3 0.56 J EPD-WA-03-100623 TO-15 103-65-1 PROPYLBENZENE 0.74 U 0.17 0.74 UG/M3 0.74 U EPD-WA-03-100623 TO-15 100-42-5 STYRENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-WA-03-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.37 2.2 UG/M3 2.2 U EPD-WA-03-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-WA-03-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-03-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-03-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-03-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.088 0.2 UG/M3 0.20 U EPD-WA-03-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.056 0.16 UG/M3 0.16 U EPD-WA-03-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 u 0.017 0.12 UG/M3 0.12 U EPD-WA-03-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 u 0.023 0.059 UG/M3 0.059 U EPD-WA-03-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 u 0.081 0.23 UG/M3 0.23 U EPD-WA-03-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.057 J 0.031 0.12 UG/M3 0.057 J Page 8 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.064 0.18 UG/M3 0.18 U EPD-WA-03-100623 TO-15 SIM 71-43-2 BENZENE 0.35 0.027 0.24 UG/M3 0.35 EPD-WA-03-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.04 0.19 UG/M3 0.47 EPD-WA-03-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.022 0.2 UG/M3 0.20 U EPD-WA-03-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.069 J 0.022 0.15 UG/M3 0.069 J EPD-WA-03-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.9 J 0.31 1.5 UG/M3 0.90 J EPD-WA-03-100623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-03-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.046 J 0.013 0.13 UG/M3 0.046 J EPD-WA-03-100623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.017 0.21 UG/M3 0.12 J EPD-WA-03-100623 TO-15 SIM 75-71-8 FREON 12 2.4 0.027 0.37 UG/M3 2.4 EPD-WA-03-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.13 J 0.0079 0.26 UG/M3 0.26 U EPD-WA-03-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.54 U 0.015 0.54 UG/M3 0.54 U EPD-WA-03-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.16 J 0.11 0.39 UG/M3 0.16 J EPD-WA-03-100623 TO-15 SIM 95-47-6 O-XYLENE 0.052 J 0.011 0.13 UG/M3 0.052 J EPD-WA-03-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.11 0.2 UG/M3 0.20 U EPD-WA-03-100623 TO-15 SIM 108-88-3 TOLUENE 0.34 0.015 0.28 UG/M3 0.34 EPD-WA-03-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.058 J 0.014 0.59 UG/M3 0.058 J EPD-WA-03-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-03-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.011 0.038 UG/M3 0.038 U EPD-WA-04-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.34 5.3 UG/M3 5.3 U EPD-WA-04-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.71 U 0.18 0.71 UG/M3 0.71 U EPD-WA-04-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.082 0.86 UG/M3 0.86 U EPD-WA-04-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.12 0.66 UG/M3 0.66 U EPD-WA-04-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.046 J 0.04 0.71 UG/M3 0.046 J EPD-WA-04-100623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.029 0.32 UG/M3 0.32 U EPD-WA-04-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.074 0.86 UG/M3 0.86 U EPD-WA-04-100623 TO-15 123-91-1 1,4-DIOXANE 0.12 J 0.076 0.52 UG/M3 0.12 J EPD-WA-04-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.18 J 0.088 3.4 UG/M3 0.18 J EPD-WA-04-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.79 J 0.16 2.1 UG/M3 0.79 J EPD-WA-04-100623 TO-15 591-78-6 2-HEXANONE 2.9 U 0.27 2.9 UG/M3 2.9 U EPD-WA-04-100623 TO-15 67-63-0 2-PROPANOL 7.1 U 0.56 7.1 UG/M3 7.1 U EPD-WA-04-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.28 2.2 UG/M3 2.2 U EPD-WA-04-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.14 J 0.038 0.71 UG/M3 0.14 J EPD-WA-04-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.59 U 0.08 0.59 UG/M3 0.59 U EPD-WA-04-100623 TO-15 67-64-1 ACETONE 10 2.2 6.8 UG/M3 10 J+ EPD-WA-04-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.092 0.74 UG/M3 0.74 U EPD-WA-04-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.96 U 0.14 0.96 UG/M3 0.96 U EPD-WA-04-100623 TO-15 75-25-2 BROMOFORM 1.5 U 0.2 1.5 UG/M3 1.5 U EPD-WA-04-100623 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U Page 9 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100623 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.097 2.2 UG/M3 2.2 U EPD-WA-04-100623 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.065 0.66 UG/M3 0.66 U EPD-WA-04-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.063 0.65 UG/M3 0.65 U EPD-WA-04-100623 TO-15 98-82-8 CUMENE 0.71 U 0.027 0.71 UG/M3 0.71 U EPD-WA-04-100623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.069 2.5 UG/M3 2.5 U EPD-WA-04-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.14 1.2 UG/M3 1.2 U EPD-WA-04-100623 TO-15 64-17-5 ETHANOL 2 J 0.39 5.4 UG/M3 2.0 J EPD-WA-04-100623 TO-15 75-69-4 FREON 11 1 0.12 0.81 UG/M3 1.0 EPD-WA-04-100623 TO-15 76-13-1 FREON 113 0.43 J 0.17 1.1 UG/M3 0.43 J EPD-WA-04-100623 TO-15 142-82-5 HEPTANE 0.2 J 0.084 3 UG/M3 0.20 J EPD-WA-04-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.7 U 0.29 7.7 UG/M3 7.7 U EPD-WA-04-100623 TO-15 110-54-3 HEXANE 0.33 J 0.059 2.5 UG/M3 0.33 J EPD-WA-04-100623 TO-15 75-09-2 METHYLENE CHLORIDE 1 U 0.67 1 UG/M3 1.0 U EPD-WA-04-100623 TO-15 103-65-1 PROPYLBENZENE 0.71 U 0.1 0.71 UG/M3 0.71 U EPD-WA-04-100623 TO-15 100-42-5 STYRENE 0.069 J 0.044 0.61 UG/M3 0.069 J EPD-WA-04-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.59 2.1 UG/M3 2.1 U EPD-WA-04-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.65 U 0.091 0.65 UG/M3 0.65 U EPD-WA-04-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-04-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-04-100623 TO-15 7440-63-3 XENON 2.9 NJ PPBV 2.9 NJ EPD-WA-04-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.013 0.16 UG/M3 0.16 U EPD-WA-04-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.051 0.2 UG/M3 0.20 U EPD-WA-04-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.008 0.16 UG/M3 0.16 U EPD-WA-04-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.0064 0.12 UG/M3 0.12 U EPD-WA-04-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.0072 0.057 UG/M3 0.057 U EPD-WA-04-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.022 0.22 UG/M3 0.22 U EPD-WA-04-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.054 J 0.015 0.12 UG/M3 0.054 J EPD-WA-04-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.054 0.17 UG/M3 0.17 U EPD-WA-04-100623 TO-15 SIM 71-43-2 BENZENE 0.5 0.02 0.23 UG/M3 0.50 EPD-WA-04-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.037 0.18 UG/M3 0.44 EPD-WA-04-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.012 0.19 UG/M3 0.19 U EPD-WA-04-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.067 J 0.0077 0.14 UG/M3 0.067 J EPD-WA-04-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.69 J 0.1 1.5 UG/M3 0.69 J EPD-WA-04-100623 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.0043 0.11 UG/M3 0.11 U EPD-WA-04-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.13 0.0038 0.12 UG/M3 0.13 EPD-WA-04-100623 TO-15 SIM 76-14-2 FREON 114 0.1 J 0.023 0.2 UG/M3 0.10 J EPD-WA-04-100623 TO-15 SIM 75-71-8 FREON 12 2 0.022 0.36 UG/M3 2.0 EPD-WA-04-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.45 0.0085 0.25 UG/M3 0.45 EPD-WA-04-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.0029 0.52 UG/M3 0.52 U Page 10 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.066 J 0.053 0.38 UG/M3 0.066 J EPD-WA-04-100623 TO-15 SIM 95-47-6 O-XYLENE 0.18 0.0022 0.12 UG/M3 0.18 EPD-WA-04-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.068 J 0.0095 0.2 UG/M3 0.20 U EPD-WA-04-100623 TO-15 SIM 108-88-3 TOLUENE 0.87 0.013 0.27 UG/M3 0.87 J+ EPD-WA-04-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.57 U 0.0058 0.57 UG/M3 0.57 U EPD-WA-04-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.01 0.15 UG/M3 0.15 U EPD-WA-04-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.037 U 0.0049 0.037 UG/M3 0.037 U EPD-WA-05-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.5 U 1.2 5.5 UG/M3 5.5 U EPD-WA-05-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.73 U 0.18 0.73 UG/M3 0.73 U EPD-WA-05-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.89 U 0.14 0.89 UG/M3 0.89 U EPD-WA-05-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-WA-05-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.73 U 0.15 0.73 UG/M3 0.73 U EPD-WA-05-100623 TO-15 106-99-0 1,3-BUTADIENE 0.33 U 0.045 0.33 UG/M3 0.33 U EPD-WA-05-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.89 U 0.088 0.89 UG/M3 0.89 U EPD-WA-05-100623 TO-15 123-91-1 1,4-DIOXANE 0.13 J 0.077 0.53 UG/M3 0.13 J EPD-WA-05-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.3 J 0.22 3.4 UG/M3 0.30 J EPD-WA-05-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1 J 0.37 2.2 UG/M3 1.0 J EPD-WA-05-100623 TO-15 591-78-6 2-HEXANONE 3 U 0.58 3 UG/M3 3.0 U EPD-WA-05-100623 TO-15 67-63-0 2-PROPANOL 7.3 U 0.18 7.3 UG/M3 7.3 U EPD-WA-05-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-05-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.13 J 0.12 0.73 UG/M3 0.13 J EPD-WA-05-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.61 U 0.18 0.61 UG/M3 0.61 U EPD-WA-05-100623 TO-15 67-64-1 ACETONE 9.5 0.53 7 UG/M3 9.5 EPD-WA-05-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.77 U 0.22 0.77 UG/M3 0.77 U EPD-WA-05-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.99 U 0.12 0.99 UG/M3 0.99 U EPD-WA-05-100623 TO-15 75-25-2 BROMOFORM 1.5 U 0.15 1.5 UG/M3 1.5 U EPD-WA-05-100623 TO-15 74-83-9 BROMOMETHANE 29 U 1.4 29 UG/M3 29 U EPD-WA-05-100623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-05-100623 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.078 0.68 UG/M3 0.68 U EPD-WA-05-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.18 0.67 UG/M3 0.67 U EPD-WA-05-100623 TO-15 98-82-8 CUMENE 0.73 U 0.067 0.73 UG/M3 0.73 U EPD-WA-05-100623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.43 2.5 UG/M3 2.5 U EPD-WA-05-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.18 1.3 UG/M3 1.3 U EPD-WA-05-100623 TO-15 64-17-5 ETHANOL 3.1 J 0.71 5.6 UG/M3 3.1 J EPD-WA-05-100623 TO-15 75-69-4 FREON 11 1.3 0.12 0.83 UG/M3 1.3 EPD-WA-05-100623 TO-15 76-13-1 FREON 113 0.55 J 0.12 1.1 UG/M3 0.55 J EPD-WA-05-100623 TO-15 142-82-5 HEPTANE 3 U 0.42 3 UG/M3 3.0 U EPD-WA-05-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.9 U 0.52 7.9 UG/M3 7.9 U EPD-WA-05-100623 TO-15 110-54-3 HEXANE 0.37 J 0.24 2.6 UG/M3 0.37 J Page 11 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.78 J 0.32 1 UG/M3 0.78 J EPD-WA-05-100623 TO-15 103-65-1 PROPYLBENZENE 0.73 U 0.17 0.73 UG/M3 0.73 U EPD-WA-05-100623 TO-15 100-42-5 STYRENE 0.63 U 0.1 0.63 UG/M3 0.63 U EPD-WA-05-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.37 2.2 UG/M3 2.2 U EPD-WA-05-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.14 0.67 UG/M3 0.67 U EPD-WA-05-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-05-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-05-100623 TO-15 124-19-6 NONANAL 1.1 NJ PPBV 1.1 NJ EPD-WA-05-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.021 0.16 UG/M3 0.16 U EPD-WA-05-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.086 0.2 UG/M3 0.20 U EPD-WA-05-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.056 0.16 UG/M3 0.16 U EPD-WA-05-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.017 0.12 UG/M3 0.12 U EPD-WA-05-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.059 U 0.022 0.059 UG/M3 0.059 U EPD-WA-05-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.08 0.23 UG/M3 0.23 U EPD-WA-05-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.06 J 0.03 0.12 UG/M3 0.060 J EPD-WA-05-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.063 0.18 UG/M3 0.18 U EPD-WA-05-100623 TO-15 SIM 71-43-2 BENZENE 0.42 0.027 0.24 UG/M3 0.42 EPD-WA-05-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.04 0.19 UG/M3 0.45 EPD-WA-05-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.021 0.2 UG/M3 0.20 U EPD-WA-05-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.067 J 0.021 0.14 UG/M3 0.067 J EPD-WA-05-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.88 J 0.31 1.5 UG/M3 0.88 J EPD-WA-05-100623 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-05-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.088 J 0.012 0.13 UG/M3 0.088 J EPD-WA-05-100623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.017 0.21 UG/M3 0.12 J EPD-WA-05-100623 TO-15 SIM 75-71-8 FREON 12 2.4 0.027 0.36 UG/M3 2.4 EPD-WA-05-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.28 0.0078 0.26 UG/M3 0.28 EPD-WA-05-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-05-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.39 U 0.11 0.39 UG/M3 0.39 U EPD-WA-05-100623 TO-15 SIM 95-47-6 O-XYLENE 0.11 J 0.011 0.13 UG/M3 0.11 J EPD-WA-05-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.11 0.2 UG/M3 0.20 U EPD-WA-05-100623 TO-15 SIM 108-88-3 TOLUENE 0.73 0.014 0.28 UG/M3 0.73 EPD-WA-05-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.59 U 0.013 0.59 UG/M3 0.59 U EPD-WA-05-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-05-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.011 0.038 UG/M3 0.038 U EPD-WA-06-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.4 U 1.2 5.4 UG/M3 5.4 U EPD-WA-06-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-06-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.88 U 0.14 0.88 UG/M3 0.88 U EPD-WA-06-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.68 U 0.14 0.68 UG/M3 0.68 U EPD-WA-06-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.72 U 0.14 0.72 UG/M3 0.72 U Page 12 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100623 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.045 0.32 UG/M3 0.32 U EPD-WA-06-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.88 U 0.088 0.88 UG/M3 0.88 U EPD-WA-06-100623 TO-15 123-91-1 1,4-DIOXANE 0.53 U 0.076 0.53 UG/M3 0.53 U EPD-WA-06-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.22 3.4 UG/M3 3.4 U EPD-WA-06-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.66 J 0.37 2.2 UG/M3 0.66 J EPD-WA-06-100623 TO-15 591-78-6 2-HEXANONE 3 U 0.57 3 UG/M3 3.0 U EPD-WA-06-100623 TO-15 67-63-0 2-PROPANOL 7.2 U 0.17 7.2 UG/M3 7.2 U EPD-WA-06-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.3 U 0.2 2.3 UG/M3 2.3 U EPD-WA-06-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.72 U 0.12 0.72 UG/M3 0.72 U EPD-WA-06-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.6 U 0.18 0.6 UG/M3 0.60 U EPD-WA-06-100623 TO-15 67-64-1 ACETONE 11 0.52 7 UG/M3 11 EPD-WA-06-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.76 U 0.22 0.76 UG/M3 0.76 U EPD-WA-06-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.98 U 0.12 0.98 UG/M3 0.98 U EPD-WA-06-100623 TO-15 75-25-2 BROMOFORM 1.5 U 0.14 1.5 UG/M3 1.5 U EPD-WA-06-100623 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-06-100623 TO-15 75-15-0 CARBON DISULFIDE 2.3 U 0.1 2.3 UG/M3 2.3 U EPD-WA-06-100623 TO-15 108-90-7 CHLOROBENZENE 0.68 U 0.078 0.68 UG/M3 0.68 U EPD-WA-06-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.67 U 0.18 0.67 UG/M3 0.67 U EPD-WA-06-100623 TO-15 98-82-8 CUMENE 0.72 U 0.067 0.72 UG/M3 0.72 U EPD-WA-06-100623 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.43 2.5 UG/M3 2.5 U EPD-WA-06-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.18 1.2 UG/M3 1.2 U EPD-WA-06-100623 TO-15 64-17-5 ETHANOL 2.3 J 0.7 5.5 UG/M3 2.3 J EPD-WA-06-100623 TO-15 75-69-4 FREON 11 1.3 0.12 0.82 UG/M3 1.3 EPD-WA-06-100623 TO-15 76-13-1 FREON 113 0.5 J 0.12 1.1 UG/M3 0.50 J EPD-WA-06-100623 TO-15 142-82-5 HEPTANE 3 U 0.42 3 UG/M3 3.0 U EPD-WA-06-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.8 U 0.52 7.8 UG/M3 7.8 U EPD-WA-06-100623 TO-15 110-54-3 HEXANE 0.33 J 0.23 2.6 UG/M3 0.33 J EPD-WA-06-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.49 J 0.32 1 UG/M3 0.49 J EPD-WA-06-100623 TO-15 103-65-1 PROPYLBENZENE 0.72 U 0.17 0.72 UG/M3 0.72 U EPD-WA-06-100623 TO-15 100-42-5 STYRENE 0.63 U 0.1 0.63 UG/M3 0.63 U EPD-WA-06-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.37 2.2 UG/M3 2.2 U EPD-WA-06-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.67 U 0.14 0.67 UG/M3 0.67 u EPD-WA-06-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-06-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-06-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 u 0.021 0.16 UG/M3 0.16 U EPD-WA-06-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 u 0.086 0.2 UG/M3 0.20 U EPD-WA-06-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 u 0.055 0.16 UG/M3 0.16 U EPD-WA-06-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 u 0.017 0.12 UG/M3 0.12 U EPD-WA-06-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.058 u 0.022 0.058 UG/M3 0.058 U Page 13 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.08 0.22 UG/M3 0.22 U EPD-WA-06-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.063 J 0.03 0.12 UG/M3 0.063 J EPD-WA-06-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.062 0.18 UG/M3 0.18 U EPD-WA-06-100623 TO-15 SIM 71-43-2 BENZENE 0.42 0.026 0.23 UG/M3 0.42 EPD-WA-06-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.039 0.18 UG/M3 0.47 EPD-WA-06-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.021 0.19 UG/M3 0.19 U EPD-WA-06-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.069 J 0.021 0.14 UG/M3 0.069 J EPD-WA-06-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.89 J 0.3 1.5 UG/M3 0.89 J EPD-WA-06-100623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.011 0.12 UG/M3 0.12 U EPD-WA-06-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.056 J 0.012 0.13 UG/M3 0.056 J EPD-WA-06-100623 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.017 0.2 UG/M3 0.12 J EPD-WA-06-100623 TO-15 SIM 75-71-8 FREON 12 2.5 0.027 0.36 UG/M3 2.5 EPD-WA-06-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.16 J 0.0078 0.26 UG/M3 0.26 U EPD-WA-06-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.53 U 0.014 0.53 UG/M3 0.53 U EPD-WA-06-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.38 U 0.11 0.38 UG/M3 0.38 U EPD-WA-06-100623 TO-15 SIM 95-47-6 O-XYLENE 0.07 J 0.011 0.13 UG/M3 0.070 J EPD-WA-06-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.11 0.2 UG/M3 0.20 U EPD-WA-06-100623 TO-15 SIM 108-88-3 TOLUENE 0.38 0.014 0.28 UG/M3 0.38 EPD-WA-06-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 1 0.013 0.58 UG/M3 1.0 EPD-WA-06-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.16 U 0.022 0.16 UG/M3 0.16 U EPD-WA-06-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.038 U 0.011 0.038 UG/M3 0.038 U EPD-WA-11-100623 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.6 U 0.36 5.6 UG/M3 5.6 U EPD-WA-11-100623 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.75 U 0.19 0.75 UG/M3 0.75 U EPD-WA-11-100623 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.91 U 0.086 0.91 UG/M3 0.91 U EPD-WA-11-100623 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.7 U 0.12 0.7 UG/M3 0.70 U EPD-WA-11-100623 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.054 J 0.042 0.75 UG/M3 0.054 J EPD-WA-11-100623 TO-15 106-99-0 1,3-BUTADIENE 0.34 U 0.03 0.34 UG/M3 0.34 U EPD-WA-11-100623 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.91 U 0.078 0.91 UG/M3 0.91 U EPD-WA-11-100623 TO-15 123-91-1 1,4-DIOXANE 0.16 J 0.08 0.55 UG/M3 0.16 J EPD-WA-11-100623 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 2 J 0.093 3.6 UG/M3 2.0 J EPD-WA-11-100623 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.1 J 0.17 2.2 UG/M3 2.1 J EPD-WA-11-100623 TO-15 591-78-6 2-HEXANONE 3.1 U 0.28 3.1 UG/M3 3.1 U EPD-WA-11-100623 TO-15 67-63-0 2-PROPANOL 1.8 J 0.6 7.5 UG/M3 1.8 J EPD-WA-11-100623 TO-15 107-05-1 3-CHLOROPROPENE 2.4 U 0.3 2.4 UG/M3 2.4 U EPD-WA-11-100623 TO-15 622-96-8 4-ETHYLTOLUENE 0.14 J 0.04 0.75 UG/M3 0.14 J EPD-WA-11-100623 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.62 U 0.084 0.62 UG/M3 0.62 U EPD-WA-11-100623 TO-15 67-64-1 ACETONE 21 2.3 7.2 UG/M3 21 J+ EPD-WA-11-100623 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.79 U 0.097 0.79 UG/M3 0.79 U EPD-WA-11-100623 TO-15 75-27-4 BROMODICHLOROM ETHANE 1 U 0.14 1 UG/M3 1.0 U Page 14 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-11-100623 TO-15 75-25-2 BROMOFORM 1.6 U 0.21 1.6 UG/M3 1.6 U EPD-WA-11-100623 TO-15 74-83-9 BROMOMETHANE 30 U 1.5 30 UG/M3 30 U EPD-WA-11-100623 TO-15 75-15-0 CARBON DISULFIDE 0.14 J 0.1 2.4 UG/M3 2.4 U EPD-WA-11-100623 TO-15 108-90-7 CHLOROBENZENE 0.7 U 0.069 0.7 UG/M3 0.70 U EPD-WA-11-100623 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.69 U 0.067 0.69 UG/M3 0.69 U EPD-WA-11-100623 TO-15 98-82-8 CUMENE 0.75 U 0.028 0.75 UG/M3 0.75 U EPD-WA-11-100623 TO-15 110-82-7 CYCLOHEXANE 0.54 J 0.073 2.6 UG/M3 0.54 J EPD-WA-11-100623 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.3 U 0.14 1.3 UG/M3 1.3 U EPD-WA-11-100623 TO-15 64-17-5 ETHANOL 4.8 J 0.41 5.7 UG/M3 4.8 J EPD-WA-11-100623 TO-15 75-69-4 FREON 11 1.1 0.12 0.85 UG/M3 1.1 EPD-WA-11-100623 TO-15 76-13-1 FREON 113 0.43 J 0.18 1.2 UG/M3 0.43 J EPD-WA-11-100623 TO-15 142-82-5 HEPTANE 10 0.088 3.1 UG/M3 10 J EPD-WA-11-100623 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.1 U 0.31 8.1 UG/M3 8.1 U EPD-WA-11-100623 TO-15 110-54-3 HEXANE 0.88 J 0.062 2.7 UG/M3 0.88 J EPD-WA-11-100623 TO-15 75-09-2 METHYLENE CHLORIDE 0.78 J 0.71 1 UG/M3 0.78 J EPD-WA-11-100623 TO-15 103-65-1 PROPYLBENZENE 0.75 U 0.11 0.75 UG/M3 0.75 U EPD-WA-11-100623 TO-15 100-42-5 STYRENE 0.65 U 0.047 0.65 UG/M3 0.65 U EPD-WA-11-100623 TO-15 109-99-9 TETRAHYDROFURAN 2.2 U 0.62 2.2 UG/M3 2.2 U EPD-WA-11-100623 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.69 U 0.096 0.69 UG/M3 0.69 U EPD-WA-11-100623 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-11-100623 TO-15 106-97-8 BUTANE 0.9 NJ PPBV 0.90 NJ EPD-WA-11-100623 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-11-100623 TO-15 638-04-0 CYCLOHEXANE, 1,3-DIMETHYL-, CIS- 0.92 NJ PPBV 0.92 NJ EPD-WA-11-100623 TO-15 108-87-2 CYCLOHEXANE, METHYL- 4.7 NJ PPBV 4.7 NJ EPD-WA-11-100623 TO-15 592-27-8 HEPTANE, 2-METHYL- 1.1 NJ PPBV 1.1 NJ EPD-WA-11-100623 TO-15 589-34-4 HEXANE, 3-METHYL- 1.1 NJ PPBV 1.1 NJ EPD-WA-11-100623 TO-15 NA UNKNOWN TIC 0.94 J PPBV 0.94 J EPD-WA-11-100623 TO-15 NA UNKNOWN TIC 1.4 J PPBV 1.4 J EPD-WA-11-100623 TO-15 NA UNKNOWN TIC 0.86 J PPBV 0.86 J EPD-WA-11-100623 TO-15 NA UNKNOWN TIC 0.81 J PPBV 0.81 J EPD-WA-11-100623 TO-15 7440-63-3 XENON 2.6 NJ PPBV 2.6 NJ EPD-WA-11-100623 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.014 0.16 UG/M3 0.16 U EPD-WA-11-100623 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.21 U 0.054 0.21 UG/M3 0.21 U EPD-WA-11-100623 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.0085 0.16 UG/M3 0.16 U EPD-WA-11-100623 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.0068 0.12 UG/M3 0.12 U EPD-WA-11-100623 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.06 U 0.0076 0.06 UG/M3 0.060 U EPD-WA-11-100623 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.23 U 0.023 0.23 UG/M3 0.23 U EPD-WA-11-100623 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.07 J 0.016 0.12 UG/M3 0.070 J EPD-WA-11-100623 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.18 U 0.058 0.18 UG/M3 0.18 U Page 15 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310117 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-11-100623 TO-15 SIM 71-43-2 BENZENE 0.53 0.021 0.24 UG/M3 0.53 EPD-WA-11-100623 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.039 0.19 UG/M3 0.47 EPD-WA-11-100623 TO-15 SIM 75-00-3 CHLOROETHANE 0.2 U 0.012 0.2 UG/M3 0.20 U EPD-WA-11-100623 TO-15 SIM 67-66-3 CHLOROFORM 0.072 J 0.0081 0.15 UG/M3 0.072 J EPD-WA-11-100623 TO-15 SIM 74-87-3 CHLOROMETHANE 0.74 J 0.11 1.6 UG/M3 0.74 J EPD-WA-11-100623 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.12 U 0.0045 0.12 UG/M3 0.12 U EPD-WA-11-100623 TO-15 SIM 100-41-4 ETHYL BENZENE 0.23 0.004 0.13 UG/M3 0.23 EPD-WA-11-100623 TO-15 SIM 76-14-2 FREON 114 0.097 J 0.024 0.21 UG/M3 0.097 J EPD-WA-11-100623 TO-15 SIM 75-71-8 FREON 12 2.1 0.024 0.38 UG/M3 2.1 EPD-WA-11-100623 TO-15 SIM 179601-23-1 M,P-XYLENE 0.63 0.009 0.26 UG/M3 0.63 J EPD-WA-11-100623 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.013 J 0.0031 0.55 UG/M3 0.013 J EPD-WA-11-100623 TO-15 SIM 91-20-3 NAPHTHALENE 0.4 U 0.056 0.4 UG/M3 0.40 U EPD-WA-11-100623 TO-15 SIM 95-47-6 O-XYLENE 0.18 0.0024 0.13 UG/M3 0.18 EPD-WA-11-100623 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.066 J 0.01 0.21 UG/M3 0.21 U EPD-WA-11-100623 TO-15 SIM 108-88-3 TOLUENE 5 0.014 0.29 UG/M3 5.0 J EPD-WA-11-100623 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 1.1 0.0061 0.6 UG/M3 1.1 J EPD-WA-11-100623 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.022 J 0.011 0.16 UG/M3 0.022 J EPD-WA-11-100623 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.039 U 0.0052 0.039 UG/M3 0.039 U Page 16 of 16 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 2227c Laboratory Report No. 2310157 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 pair Collection Date(s) 10/09/2023 Field Duplicate Pairs EPD-WA-06-100923/EPD-WA-66-100923 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, East Palestine Train Derailment Site, East Palestine, Columbiana County, Ohio, Revision 3 (April 2023), 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 this validation effort. Data completeness: Within Criteria Exceedance/Notes N Level II laboratory report was not provided by laboratory; and the laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) and Chain of Custody (COC) were provided by the laboratory separately. No qualifications were applied. TETRA TECH Page 1 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Sample preservation, receipt, and holding times: Within Criteria Exceedance/Notes N The residual canister receipt vacuums in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that all values were negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums were recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures were recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes N TO-15 scan (2310157-10A): 1,2,4-Trichlorobenzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene, 4-ethyltoluene, acetone, alpha- chlorotoluene and carbon disulfide were detected in the method blank at levels between the method detection limit (MDL) and reporting limit (RL). All associated 1,2,4-trichlorobenzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene and alpha-chlorotoluene sample results were nondetect; therefore, no qualifications were necessary. All associated 4-ethyltoluene sample results were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All associated acetone sample results were greater than the RL but less than ten times the blank value; therefore, results were qualified as estimated, possibly biased high (flagged J+). Carbon disulfide results in samples EPD-WA-66-100923 and EPD-WA-04-100923 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All other carbon disulfide results were nondetect; therefore, no qualifications were necessary. TETRA TECH Page 2 of 6 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT TO-15 SIM (2310157-10B): 1,1,2,2-Tetrachloroethane, 1,1,2-trichloroethane, 1,2-dibromoethane, 1,4-dichlorobenzene, benzene, ethyl benzene, m,p-xylene, naphthalene, o-xylene and toluene were detected in the method blank at levels between the MDL and RL. All 1,1,2,2-tetrachloroethane, 1,1,2-trichloroethane, 1,2-dibromoethane and 1,4-dichlorobenzene sample results were nondetect and all benzene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. Ethyl benzene in samples EPD-WA-05-100923 and EPD-WA-04-100923 were greater than ten times the blank value; therefore, no qualifications were necessary. All remaining ethyl benzene sample results were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. m,p-Xylene in samples EPD-DW-C-100923, EPD-UW-G-100923, EPD-WA-02-100923 and EPD-WA-03-100923 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. m,p- Xylene in samples EPD-WA-04-100923 and EPD-WA-05-100923 was greater than ten times the blank value; therefore, no qualifications were necessary. All remaining m,p-xylene sample results were greater than the RL but less than ten times the blank value; therefore, results were qualified as estimated, possibly biased high (flagged J+). Naphthalene in samples EPD-WA-03- 100923, EPD-WA-04-100923, EPD-WA-05-100923, and EPD-WA-66-100923 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All remaining naphthalene sample results were nondetect; therefore, no qualifications were necessary. o-Xylene in samples EPD-UW-G-100923, EPD-DW-C-100923, EPD-WA-02-100923 and EPD-WA-03-100923 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. o-Xylene in samples EPD-WA-05- 100923 and EPD-WA-04-100923 were greater than ten times the blank value; therefore, no qualifications were necessary. All remaining o-xylene samples were greater than the RL but less than ten times the blank value; therefore, results were qualified as estimated, possibly biased high (flagged J+). All toluene sample results were greater than the RL but less than ten times the blank value; therefore, results were qualified as estimated, possibly biased high (flagged J+). Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y TETRA TECH Page 3 of 6 ------- 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 factors ranged from 1.34 to 1.42. While no qualifications were applied, the data user should be aware of increased reporting limits for sample dilutions. TETRA TECH Page 4 of 6 ------- 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 most samples. The laboratory qualified known TICs as tentatively identified (flagged NJ). The laboratory qualified unknown TICs as estimated (flagged J). The laboratory qualified the results for 2-ethyl-l-hexanol and butyl acrylate as manually searched for, but not found in the sample (flagged U,NF). Other [None]: Within Criteria Exceedance/Notes NA TETRA TECH Page 5 of 6 ------- 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 6 of 6 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-C-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.31 5 UG/M3 5.0 U EPD-DW-C-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.66 U 0.16 0.66 UG/M3 0.66 U EPD-DW-C-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.8 U 0.076 0.8 UG/M3 0.80 U EPD-DW-C-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.62 U 0.11 0.62 UG/M3 0.62 U EPD-DW-C-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.66 U 0.038 0.66 UG/M3 0.66 U EPD-DW-C-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-DW-C-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.8 U 0.069 0.8 UG/M3 0.80 U EPD-DW-C-100923 TO-15 123-91-1 1,4-DIOXANE 0.48 U 0.071 0.48 UG/M3 0.48 U EPD-DW-C-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.088 J 0.082 3.1 UG/M3 0.088 J EPD-DW-C-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.32 J 0.15 2 UG/M3 0.32 J EPD-DW-C-100923 TO-15 591-78-6 2-HEXANONE 2.7 U 0.25 2.7 UG/M3 2.7 U EPD-DW-C-100923 TO-15 67-63-0 2-PROPANOL 6.6 U 0.52 6.6 UG/M3 6.6 U EPD-DW-C-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-DW-C-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.08 J 0.036 0.66 UG/M3 0.66 U EPD-DW-C-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.55 U 0.074 0.55 UG/M3 0.55 U EPD-DW-C-100923 TO-15 67-64-1 ACETONE 7.6 2.1 6.4 UG/M3 7.6 J+ EPD-DW-C-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.69 U 0.086 0.69 UG/M3 0.69 U EPD-DW-C-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.9 U 0.13 0.9 UG/M3 0.90 U EPD-DW-C-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.18 1.4 UG/M3 1.4 U EPD-DW-C-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-DW-C-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.09 2.1 UG/M3 2.1 U EPD-DW-C-100923 TO-15 108-90-7 CHLOROBENZENE 0.62 U 0.061 0.62 UG/M3 0.62 U EPD-DW-C-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.61 U 0.059 0.61 UG/M3 0.61 U EPD-DW-C-100923 TO-15 98-82-8 CUMENE 0.66 U 0.025 0.66 UG/M3 0.66 U EPD-DW-C-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.064 2.3 UG/M3 2.3 U EPD-DW-C-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.1 U 0.13 1.1 UG/M3 1.1 u EPD-DW-C-100923 TO-15 64-17-5 ETHANOL 1.1 J 0.36 5 UG/M3 1.1 J EPD-DW-C-100923 TO-15 75-69-4 FREON 11 1 0.11 0.75 UG/M3 1.0 EPD-DW-C-100923 TO-15 76-13-1 FREON 113 0.43 J 0.16 1 UG/M3 0.43 J EPD-DW-C-100923 TO-15 142-82-5 HEPTANE 0.18 J 0.078 2.7 UG/M3 0.18 J EPD-DW-C-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.1 U 0.27 7.1 UG/M3 7.1 u EPD-DW-C-100923 TO-15 110-54-3 HEXANE 0.24 J 0.055 2.4 UG/M3 0.24 J EPD-DW-C-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.93 U 0.63 0.93 UG/M3 0.93 u EPD-DW-C-100923 TO-15 103-65-1 PROPYLBENZENE 0.66 U 0.096 0.66 UG/M3 0.66 u EPD-DW-C-100923 TO-15 100-42-5 STYRENE 0.57 U 0.041 0.57 UG/M3 0.57 u EPD-DW-C-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.55 2 UG/M3 2.0 u EPD-DW-C-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.61 u 0.085 0.61 UG/M3 0.61 u EPD-DW-C-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U,NF EPD-DW-C-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 u PPBV 0 U,NF Page 1 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-C-100923 TO-15 7440-63-3 XENON 2.6 NJ PPBV 2.6 NJ EPD-DW-C-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-DW-C-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.18 U 0.048 0.18 UG/M3 0.18 U EPD-DW-C-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0074 0.15 UG/M3 0.15 U EPD-DW-C-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U EPD-DW-C-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.053 U 0.0067 0.053 UG/M3 0.053 U EPD-DW-C-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.2 U 0.02 0.2 UG/M3 0.20 U EPD-DW-C-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.048 J 0.014 0.11 UG/M3 0.048 J EPD-DW-C-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.051 0.16 UG/M3 0.16 U EPD-DW-C-100923 TO-15 SIM 71-43-2 BENZENE 0.52 0.018 0.21 UG/M3 0.52 EPD-DW-C-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.43 0.034 0.17 UG/M3 0.43 EPD-DW-C-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-DW-C-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.071 J 0.0071 0.13 UG/M3 0.071 J EPD-DW-C-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.63 J 0.094 1.4 UG/M3 0.63 J EPD-DW-C-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-DW-C-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.065 J 0.0035 0.12 UG/M3 0.12 U EPD-DW-C-100923 TO-15 SIM 76-14-2 FREON 114 0.095 J 0.021 0.19 UG/M3 0.095 J EPD-DW-C-100923 TO-15 SIM 75-71-8 FREON 12 2 0.021 0.33 UG/M3 2.0 EPD-DW-C-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.18 J 0.0079 0.23 UG/M3 0.23 U EPD-DW-C-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.48 U 0.0027 0.48 UG/M3 0.48 U EPD-DW-C-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.35 U 0.049 0.35 UG/M3 0.35 U EPD-DW-C-100923 TO-15 SIM 95-47-6 O-XYLENE 0.07 J 0.0021 0.12 UG/M3 0.12 U EPD-DW-C-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.03 J 0.0088 0.18 UG/M3 0.030 J EPD-DW-C-100923 TO-15 SIM 108-88-3 TOLUENE 0.54 0.012 0.25 UG/M3 0.54 J+ EPD-DW-C-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.014 J 0.0054 0.53 UG/M3 0.014 J EPD-DW-C-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.14 U 0.0094 0.14 UG/M3 0.14 U EPD-DW-C-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.034 U 0.0046 0.034 UG/M3 0.034 U EPD-UW-G-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.32 5 UG/M3 5.0 U EPD-UW-G-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.67 U 0.17 0.67 UG/M3 0.67 U EPD-UW-G-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.077 0.82 UG/M3 0.82 U EPD-UW-G-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.11 0.63 UG/M3 0.63 U EPD-UW-G-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.039 J 0.038 0.67 UG/M3 0.039 J EPD-UW-G-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-UW-G-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.07 0.82 UG/M3 0.82 U EPD-UW-G-100923 TO-15 123-91-1 1,4-DIOXANE 0.13 J 0.072 0.49 UG/M3 0.13 J EPD-UW-G-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.087 J 0.083 3.2 UG/M3 0.087 J EPD-UW-G-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.82 J 0.15 2 UG/M3 0.82 J EPD-UW-G-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-UW-G-100923 TO-15 67-63-0 2-PROPANOL 6.7 U 0.53 6.7 UG/M3 6.7 U Page 2 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-G-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-UW-G-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.04 J 0.036 0.67 UG/M3 0.67 U EPD-UW-G-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.075 0.56 UG/M3 0.56 U EPD-UW-G-100923 TO-15 67-64-1 ACETONE 9.8 2.1 6.5 UG/M3 9.8 J+ EPD-UW-G-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.087 0.7 UG/M3 0.70 U EPD-UW-G-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.91 U 0.13 0.91 UG/M3 0.91 U EPD-UW-G-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-UW-G-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-UW-G-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.091 2.1 UG/M3 2.1 U EPD-UW-G-100923 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.062 0.63 UG/M3 0.63 U EPD-UW-G-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.06 0.62 UG/M3 0.62 U EPD-UW-G-100923 TO-15 98-82-8 CUMENE 0.67 U 0.025 0.67 UG/M3 0.67 U EPD-UW-G-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.065 2.3 UG/M3 2.3 U EPD-UW-G-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-UW-G-100923 TO-15 64-17-5 ETHANOL 1.6 J 0.37 5.1 UG/M3 1.6 J EPD-UW-G-100923 TO-15 75-69-4 FREON 11 1 0.11 0.76 UG/M3 1.0 EPD-UW-G-100923 TO-15 76-13-1 FREON 113 0.39 J 0.16 1 UG/M3 0.39 J EPD-UW-G-100923 TO-15 142-82-5 HEPTANE 0.17 J 0.079 2.8 UG/M3 0.17 J EPD-UW-G-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 0.28 7.2 UG/M3 7.2 U EPD-UW-G-100923 TO-15 110-54-3 HEXANE 0.25 J 0.056 2.4 UG/M3 0.25 J EPD-UW-G-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.94 U 0.64 0.94 UG/M3 0.94 U EPD-UW-G-100923 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.097 0.67 UG/M3 0.67 U EPD-UW-G-100923 TO-15 100-42-5 STYRENE 0.58 U 0.042 0.58 UG/M3 0.58 U EPD-UW-G-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.56 2 UG/M3 2.0 U EPD-UW-G-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.086 0.62 UG/M3 0.62 U EPD-UW-G-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-UW-G-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-UW-G-100923 TO-15 7440-63-3 XENON 2.5 NJ PPBV 2.5 NJ EPD-UW-G-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.013 J 0.013 0.15 UG/M3 0.013 J EPD-UW-G-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.048 0.19 UG/M3 0.19 U EPD-UW-G-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0076 0.15 UG/M3 0.15 U EPD-UW-G-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U EPD-UW-G-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.0068 0.054 UG/M3 0.054 U EPD-UW-G-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-UW-G-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.044 J 0.014 0.11 UG/M3 0.044 J EPD-UW-G-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.052 0.16 UG/M3 0.16 U EPD-UW-G-100923 TO-15 SIM 71-43-2 BENZENE 0.49 0.018 0.22 UG/M3 0.49 EPD-UW-G-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.42 0.034 0.17 UG/M3 0.42 EPD-UW-G-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U Page 3 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-G-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.065 J 0.0072 0.13 UG/M3 0.065 J EPD-UW-G-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.62 J 0.095 1.4 UG/M3 0.62 J EPD-UW-G-100923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-UW-G-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.064 J 0.0035 0.12 UG/M3 0.12 U EPD-UW-G-100923 TO-15 SIM 76-14-2 FREON 114 0.093 J 0.021 0.19 UG/M3 0.093 J EPD-UW-G-100923 TO-15 SIM 75-71-8 FREON 12 1.9 0.021 0.34 UG/M3 1.9 EPD-UW-G-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.19 J 0.008 0.24 UG/M3 0.24 U EPD-UW-G-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.0053 J 0.0027 0.49 UG/M3 0.0053 J EPD-UW-G-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.36 U 0.05 0.36 UG/M3 0.36 U EPD-UW-G-100923 TO-15 SIM 95-47-6 O-XYLENE 0.073 J 0.0021 0.12 UG/M3 0.12 U EPD-UW-G-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.022 J 0.0089 0.18 UG/M3 0.022 J EPD-UW-G-100923 TO-15 SIM 108-88-3 TOLUENE 0.55 0.012 0.26 UG/M3 0.55 J+ EPD-UW-G-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.011 J 0.0055 0.54 UG/M3 0.011 J EPD-UW-G-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.0096 0.15 UG/M3 0.15 U EPD-UW-G-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0046 0.035 UG/M3 0.035 U EPD-WA-01-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.32 5 UG/M3 5.0 U EPD-WA-01-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.18 J 0.17 0.67 UG/M3 0.18 J EPD-WA-01-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.077 0.82 UG/M3 0.82 U EPD-WA-01-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.11 0.63 UG/M3 0.63 U EPD-WA-01-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.056 J 0.038 0.67 UG/M3 0.056 J EPD-WA-01-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-WA-01-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.07 0.82 UG/M3 0.82 U EPD-WA-01-100923 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.072 0.49 UG/M3 0.49 U EPD-WA-01-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.25 J 0.083 3.2 UG/M3 0.25 J EPD-WA-01-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.36 J 0.15 2 UG/M3 0.36 J EPD-WA-01-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-WA-01-100923 TO-15 67-63-0 2-PROPANOL 0.58 J 0.53 6.7 UG/M3 0.58 J EPD-WA-01-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-WA-01-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.12 J 0.036 0.67 UG/M3 0.67 U EPD-WA-01-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.075 0.56 UG/M3 0.56 U EPD-WA-01-100923 TO-15 67-64-1 ACETONE 9.5 2.1 6.5 UG/M3 9.5 J+ EPD-WA-01-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.087 0.7 UG/M3 0.70 U EPD-WA-01-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.91 U 0.13 0.91 UG/M3 0.91 U EPD-WA-01-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-01-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-WA-01-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.091 2.1 UG/M3 2.1 U EPD-WA-01-100923 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.062 0.63 UG/M3 0.63 U EPD-WA-01-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.06 0.62 UG/M3 0.62 u EPD-WA-01-100923 TO-15 98-82-8 CUMENE 0.67 U 0.025 0.67 UG/M3 0.67 u Page 4 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result J < > EPD-WA-01-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.065 2.3 UG/M3 2.3 U EPD-WA-01-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 u EPD-WA-01-100923 TO-15 64-17-5 ETHANOL 1.5 J 0.37 5.1 UG/M3 1.5 J EPD-WA-01-100923 TO-15 75-69-4 FREON 11 1.1 0.11 0.76 UG/M3 1.1 EPD-WA-01-100923 TO-15 76-13-1 FREON 113 0.44 J 0.16 1 UG/M3 0.44 J EPD-WA-01-100923 TO-15 142-82-5 HEPTANE 0.25 J 0.079 2.8 UG/M3 0.25 J EPD-WA-01-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 0.28 7.2 UG/M3 7.2 u EPD-WA-01-100923 TO-15 110-54-3 HEXANE 0.44 J 0.056 2.4 UG/M3 0.44 J EPD-WA-01-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.94 U 0.64 0.94 UG/M3 0.94 u EPD-WA-01-100923 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.097 0.67 UG/M3 0.67 u EPD-WA-01-100923 TO-15 100-42-5 STYRENE 0.58 U 0.042 0.58 UG/M3 0.58 u EPD-WA-01-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.56 2 UG/M3 2.0 u EPD-WA-01-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.086 0.62 UG/M3 0.62 u EPD-WA-01-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-01-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-01-100923 TO-15 7440-63-3 XENON 2.6 NJ PPBV 2.6 NJ EPD-WA-01-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-WA-01-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.048 0.19 UG/M3 0.19 U EPD-WA-01-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0076 0.15 UG/M3 0.15 U EPD-WA-01-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U EPD-WA-01-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.0068 0.054 UG/M3 0.054 U EPD-WA-01-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-WA-01-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.049 J 0.014 0.11 UG/M3 0.049 J EPD-WA-01-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.052 0.16 UG/M3 0.16 U EPD-WA-01-100923 TO-15 SIM 71-43-2 BENZENE 0.74 0.018 0.22 UG/M3 0.74 EPD-WA-01-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.034 0.17 UG/M3 0.46 EPD-WA-01-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-01-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.067 J 0.0072 0.13 UG/M3 0.067 J EPD-WA-01-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.66 J 0.095 1.4 UG/M3 0.66 J EPD-WA-01-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-WA-01-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.096 J 0.0035 0.12 UG/M3 0.12 U EPD-WA-01-100923 TO-15 SIM 76-14-2 FREON 114 0.096 J 0.021 0.19 UG/M3 0.096 J EPD-WA-01-100923 TO-15 SIM 75-71-8 FREON 12 2.1 0.021 0.34 UG/M3 2.1 EPD-WA-01-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.32 0.008 0.24 UG/M3 0.32 J+ EPD-WA-01-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0027 0.49 UG/M3 0.49 U EPD-WA-01-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.36 U 0.05 0.36 UG/M3 0.36 U EPD-WA-01-100923 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.0021 0.12 UG/M3 0.13 J+ EPD-WA-01-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.04 J 0.0089 0.18 UG/M3 0.040 J EPD-WA-01-100923 TO-15 SIM 108-88-3 TOLUENE 0.75 0.012 0.26 UG/M3 0.75 J+ Page 5 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.072 J 0.0055 0.54 UG/M3 0.072 J EPD-WA-01-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.0096 0.15 UG/M3 0.15 U EPD-WA-01-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0046 0.035 UG/M3 0.035 U EPD-WA-02-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.32 5 UG/M3 5.0 U EPD-WA-02-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.67 U 0.17 0.67 UG/M3 0.67 U EPD-WA-02-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.077 0.82 UG/M3 0.82 U EPD-WA-02-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.11 0.63 UG/M3 0.63 U EPD-WA-02-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.67 U 0.038 0.67 UG/M3 0.67 U EPD-WA-02-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-WA-02-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.07 0.82 UG/M3 0.82 U EPD-WA-02-100923 TO-15 123-91-1 1,4-DIOXANE 0.12 J 0.072 0.49 UG/M3 0.12 J EPD-WA-02-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.098 J 0.083 3.2 UG/M3 0.098 J EPD-WA-02-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.37 J 0.15 2 UG/M3 0.37 J EPD-WA-02-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-WA-02-100923 TO-15 67-63-0 2-PROPANOL 6.7 U 0.53 6.7 UG/M3 6.7 U EPD-WA-02-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-WA-02-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.072 J 0.036 0.67 UG/M3 0.67 U EPD-WA-02-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.075 0.56 UG/M3 0.56 U EPD-WA-02-100923 TO-15 67-64-1 ACETONE 6.5 2.1 6.5 UG/M3 6.5 J+ EPD-WA-02-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.087 0.7 UG/M3 0.70 U EPD-WA-02-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.91 U 0.13 0.91 UG/M3 0.91 U EPD-WA-02-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-02-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-WA-02-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.091 2.1 UG/M3 2.1 U EPD-WA-02-100923 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.062 0.63 UG/M3 0.63 U EPD-WA-02-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.06 0.62 UG/M3 0.62 U EPD-WA-02-100923 TO-15 98-82-8 CUMENE 0.67 U 0.025 0.67 UG/M3 0.67 U EPD-WA-02-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.065 2.3 UG/M3 2.3 U EPD-WA-02-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 u EPD-WA-02-100923 TO-15 64-17-5 ETHANOL 1.7 J 0.37 5.1 UG/M3 1.7 J EPD-WA-02-100923 TO-15 75-69-4 FREON 11 1.1 0.11 0.76 UG/M3 1.1 EPD-WA-02-100923 TO-15 76-13-1 FREON 113 0.47 J 0.16 1 UG/M3 0.47 J EPD-WA-02-100923 TO-15 142-82-5 HEPTANE 0.12 J 0.079 2.8 UG/M3 0.12 J EPD-WA-02-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 0.28 7.2 UG/M3 7.2 u EPD-WA-02-100923 TO-15 110-54-3 HEXANE 0.24 J 0.056 2.4 UG/M3 0.24 J EPD-WA-02-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.94 U 0.64 0.94 UG/M3 0.94 u EPD-WA-02-100923 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.097 0.67 UG/M3 0.67 u EPD-WA-02-100923 TO-15 100-42-5 STYRENE 0.58 U 0.042 0.58 UG/M3 0.58 u EPD-WA-02-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 u 0.56 2 UG/M3 2.0 u Page 6 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.086 0.62 UG/M3 0.62 U EPD-WA-02-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-02-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-02-100923 TO-15 7440-63-3 XENON 3 NJ PPBV 3.0 NJ EPD-WA-02-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.014 J 0.013 0.15 UG/M3 0.014 J EPD-WA-02-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.048 0.19 UG/M3 0.19 U EPD-WA-02-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0076 0.15 UG/M3 0.15 U EPD-WA-02-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.015 J 0.006 0.11 UG/M3 0.015 J EPD-WA-02-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.0068 0.054 UG/M3 0.054 U EPD-WA-02-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-WA-02-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.047 J 0.014 0.11 UG/M3 0.047 J EPD-WA-02-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.052 0.16 UG/M3 0.16 U EPD-WA-02-100923 TO-15 SIM 71-43-2 BENZENE 0.54 0.018 0.22 UG/M3 0.54 EPD-WA-02-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.034 0.17 UG/M3 0.46 EPD-WA-02-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-02-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.068 J 0.0072 0.13 UG/M3 0.068 J EPD-WA-02-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.67 J 0.095 1.4 UG/M3 0.67 J EPD-WA-02-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-WA-02-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.065 J 0.0035 0.12 UG/M3 0.12 U EPD-WA-02-100923 TO-15 SIM 76-14-2 FREON 114 0.098 J 0.021 0.19 UG/M3 0.098 J EPD-WA-02-100923 TO-15 SIM 75-71-8 FREON 12 2.1 0.021 0.34 UG/M3 2.1 EPD-WA-02-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.19 J 0.008 0.24 UG/M3 0.24 U EPD-WA-02-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0027 0.49 UG/M3 0.49 U EPD-WA-02-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.36 U 0.05 0.36 UG/M3 0.36 U EPD-WA-02-100923 TO-15 SIM 95-47-6 O-XYLENE 0.07 J 0.0021 0.12 UG/M3 0.12 U EPD-WA-02-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.036 J 0.0089 0.18 UG/M3 0.036 J EPD-WA-02-100923 TO-15 SIM 108-88-3 TOLUENE 0.56 0.012 0.26 UG/M3 0.56 J+ EPD-WA-02-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.54 U 0.0055 0.54 UG/M3 0.54 U EPD-WA-02-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.047 J 0.0096 0.15 UG/M3 0.047 J EPD-WA-02-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0046 0.035 UG/M3 0.035 U EPD-WA-03-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.33 5.3 UG/M3 5.3 U EPD-WA-03-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.7 U 0.18 0.7 UG/M3 0.70 U EPD-WA-03-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.85 U 0.081 0.85 UG/M3 0.85 U EPD-WA-03-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.11 0.66 UG/M3 0.66 U EPD-WA-03-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.7 U 0.04 0.7 UG/M3 0.70 U EPD-WA-03-100923 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.028 0.31 UG/M3 0.31 U EPD-WA-03-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.85 U 0.073 0.85 UG/M3 0.85 U EPD-WA-03-100923 TO-15 123-91-1 1,4-DIOXANE 0.51 U 0.075 0.51 UG/M3 0.51 U EPD-WA-03-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.3 U 0.086 3.3 UG/M3 3.3 U Page 7 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.45 J 0.16 2.1 UG/M3 0.45 J EPD-WA-03-100923 TO-15 591-78-6 2-HEXANONE 2.9 U 0.27 2.9 UG/M3 2.9 U EPD-WA-03-100923 TO-15 67-63-0 2-PROPANOL 0.67 J 0.56 7 UG/M3 0.67 J EPD-WA-03-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.28 2.2 UG/M3 2.2 U EPD-WA-03-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.039 J 0.038 0.7 UG/M3 0.70 U EPD-WA-03-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.17 J 0.078 0.58 UG/M3 0.17 J EPD-WA-03-100923 TO-15 67-64-1 ACETONE 11 2.2 6.7 UG/M3 11 J+ EPD-WA-03-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.091 0.74 UG/M3 0.74 U EPD-WA-03-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.95 U 0.14 0.95 UG/M3 0.95 U EPD-WA-03-100923 TO-15 75-25-2 BROMOFORM 1.5 U 0.19 1.5 UG/M3 1.5 U EPD-WA-03-100923 TO-15 74-83-9 BROMOMETHANE 28 U 1.4 28 UG/M3 28 U EPD-WA-03-100923 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.095 2.2 UG/M3 2.2 U EPD-WA-03-100923 TO-15 108-90-7 CHLOROBENZENE 0.65 U 0.064 0.65 UG/M3 0.65 U EPD-WA-03-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.64 U 0.062 0.64 UG/M3 0.64 U EPD-WA-03-100923 TO-15 98-82-8 CUMENE 0.7 U 0.026 0.7 UG/M3 0.70 U EPD-WA-03-100923 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.068 2.4 UG/M3 2.4 U EPD-WA-03-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.14 1.2 UG/M3 1.2 U EPD-WA-03-100923 TO-15 64-17-5 ETHANOL 1.2 J 0.38 5.4 UG/M3 1.2 J EPD-WA-03-100923 TO-15 75-69-4 FREON 11 1.1 0.12 0.8 UG/M3 1.1 EPD-WA-03-100923 TO-15 76-13-1 FREON 113 0.45 J 0.16 1.1 UG/M3 0.45 J EPD-WA-03-100923 TO-15 142-82-5 HEPTANE 0.13 J 0.082 2.9 UG/M3 0.13 J EPD-WA-03-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.6 U 0.29 7.6 UG/M3 7.6 U EPD-WA-03-100923 TO-15 110-54-3 HEXANE 0.24 J 0.058 2.5 UG/M3 0.24 J EPD-WA-03-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.99 U 0.66 0.99 UG/M3 0.99 U EPD-WA-03-100923 TO-15 103-65-1 PROPYLBENZENE 0.7 U 0.1 0.7 UG/M3 0.70 U EPD-WA-03-100923 TO-15 100-42-5 STYRENE 0.6 U 0.044 0.6 UG/M3 0.60 U EPD-WA-03-100923 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.58 2.1 UG/M3 2.1 U EPD-WA-03-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.64 U 0.09 0.64 UG/M3 0.64 U EPD-WA-03-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-03-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-03-100923 TO-15 7440-63-3 XENON 3.1 NJ PPBV 3.1 NJ EPD-WA-03-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-WA-03-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.05 0.19 UG/M3 0.19 U EPD-WA-03-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0079 0.15 UG/M3 0.15 U EPD-WA-03-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.0063 0.11 UG/M3 0.11 U EPD-WA-03-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.056 U 0.0072 0.056 UG/M3 0.056 U EPD-WA-03-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.022 0.22 UG/M3 0.22 U EPD-WA-03-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.049 J 0.015 0.11 UG/M3 0.049 J EPD-WA-03-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.054 0.17 UG/M3 0.17 U Page 8 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100923 TO-15 SIM 71-43-2 BENZENE 0.51 0.019 0.23 UG/M3 0.51 EPD-WA-03-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.48 0.036 0.18 UG/M3 0.48 EPD-WA-03-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.012 0.19 UG/M3 0.19 U EPD-WA-03-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.071 J 0.0076 0.14 UG/M3 0.071 J EPD-WA-03-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.7 J 0.1 1.5 UG/M3 0.70 J EPD-WA-03-100923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.0042 0.11 UG/M3 0.11 U EPD-WA-03-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.053 J 0.0037 0.12 UG/M3 0.12 U EPD-WA-03-100923 TO-15 SIM 76-14-2 FREON 114 0.11 J 0.022 0.2 UG/M3 0.11 J EPD-WA-03-100923 TO-15 SIM 75-71-8 FREON 12 2.2 0.022 0.35 UG/M3 2.2 EPD-WA-03-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.14 J 0.0084 0.25 UG/M3 0.25 U EPD-WA-03-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.51 U 0.0029 0.51 UG/M3 0.51 U EPD-WA-03-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.061 J 0.052 0.37 UG/M3 0.37 U EPD-WA-03-100923 TO-15 SIM 95-47-6 O-XYLENE 0.057 J 0.0022 0.12 UG/M3 0.12 U EPD-WA-03-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.025 J 0.0093 0.19 UG/M3 0.025 J EPD-WA-03-100923 TO-15 SIM 108-88-3 TOLUENE 0.52 0.013 0.27 UG/M3 0.52 J+ EPD-WA-03-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.087 J 0.0057 0.56 UG/M3 0.087 J EPD-WA-03-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.01 0.15 UG/M3 0.15 U EPD-WA-03-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.0048 0.036 UG/M3 0.036 U EPD-WA-04-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.2 U 0.33 5.2 UG/M3 5.2 U EPD-WA-04-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.27 J 0.17 0.68 UG/M3 0.27 J EPD-WA-04-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.84 U 0.079 0.84 UG/M3 0.84 U EPD-WA-04-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.64 U 0.11 0.64 UG/M3 0.64 U EPD-WA-04-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.096 J 0.039 0.68 UG/M3 0.096 J EPD-WA-04-100923 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.028 0.31 UG/M3 0.31 U EPD-WA-04-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.84 U 0.072 0.84 UG/M3 0.84 U EPD-WA-04-100923 TO-15 123-91-1 1,4-DIOXANE 0.5 U 0.074 0.5 UG/M3 0.50 U EPD-WA-04-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.27 J 0.085 3.2 UG/M3 0.27 J EPD-WA-04-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.54 J 0.15 2 UG/M3 0.54 J EPD-WA-04-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-WA-04-100923 TO-15 67-63-0 2-PROPANOL 1.7 J 0.54 6.8 UG/M3 1.7 J EPD-WA-04-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.27 2.2 UG/M3 2.2 U EPD-WA-04-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.24 J 0.037 0.68 UG/M3 0.68 U EPD-WA-04-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.57 U 0.077 0.57 UG/M3 0.57 U EPD-WA-04-100923 TO-15 67-64-1 ACETONE 7.5 2.1 6.6 UG/M3 7.5 J+ EPD-WA-04-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.72 U 0.089 0.72 UG/M3 0.72 U EPD-WA-04-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.93 U 0.13 0.93 UG/M3 0.93 U EPD-WA-04-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-04-100923 TO-15 74-83-9 BROMOMETHANE 27 U 1.3 27 UG/M3 27 U EPD-WA-04-100923 TO-15 75-15-0 CARBON DISULFIDE 0.11 J 0.093 2.2 UG/M3 2.2 U Page 9 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100923 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.063 0.64 UG/M3 0.64 U EPD-WA-04-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.63 U 0.061 0.63 UG/M3 0.63 U EPD-WA-04-100923 TO-15 98-82-8 CUMENE 0.028 J 0.026 0.68 UG/M3 0.028 J EPD-WA-04-100923 TO-15 110-82-7 CYCLOHEXANE 0.49 J 0.067 2.4 UG/M3 0.49 J EPD-WA-04-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-04-100923 TO-15 64-17-5 ETHANOL 2.7 J 0.37 5.2 UG/M3 2.7 J EPD-WA-04-100923 TO-15 75-69-4 FREON 11 1.1 0.11 0.78 UG/M3 1.1 EPD-WA-04-100923 TO-15 76-13-1 FREON 113 0.43 J 0.16 1.1 UG/M3 0.43 J EPD-WA-04-100923 TO-15 142-82-5 HEPTANE 0.26 J 0.081 2.8 UG/M3 0.26 J EPD-WA-04-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.4 U 0.28 7.4 UG/M3 7.4 U EPD-WA-04-100923 TO-15 110-54-3 HEXANE 0.49 J 0.057 2.4 UG/M3 0.49 J EPD-WA-04-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.96 U 0.65 0.96 UG/M3 0.96 U EPD-WA-04-100923 TO-15 103-65-1 PROPYLBENZENE 0.68 U 0.099 0.68 UG/M3 0.68 U EPD-WA-04-100923 TO-15 100-42-5 STYRENE 0.59 U 0.043 0.59 UG/M3 0.59 U EPD-WA-04-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.57 2 UG/M3 2.0 U EPD-WA-04-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.63 U 0.088 0.63 UG/M3 0.63 U EPD-WA-04-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-04-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-04-100923 TO-15 109-66-0 PENTANE 2.4 NJ PPBV 2.4 NJ EPD-WA-04-100923 TO-15 7440-63-3 XENON 3.1 NJ PPBV 3.1 NJ EPD-WA-04-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-WA-04-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.049 0.19 UG/M3 0.19 U EPD-WA-04-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0077 0.15 UG/M3 0.15 U EPD-WA-04-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.0062 0.11 UG/M3 0.11 U EPD-WA-04-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.055 U 0.007 0.055 UG/M3 0.055 U EPD-WA-04-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-WA-04-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.047 J 0.015 0.11 UG/M3 0.047 J EPD-WA-04-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.053 0.17 UG/M3 0.17 U EPD-WA-04-100923 TO-15 SIM 71-43-2 BENZENE 0.9 0.019 0.22 UG/M3 0.90 EPD-WA-04-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.035 0.17 UG/M3 0.46 EPD-WA-04-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-04-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.067 J 0.0074 0.14 UG/M3 0.067 J EPD-WA-04-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.66 J 0.098 1.4 UG/M3 0.66 J EPD-WA-04-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.0041 0.11 UG/M3 0.11 U EPD-WA-04-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.18 0.0036 0.12 UG/M3 0.18 EPD-WA-04-100923 TO-15 SIM 76-14-2 FREON 114 0.098 J 0.022 0.19 UG/M3 0.098 J EPD-WA-04-100923 TO-15 SIM 75-71-8 FREON 12 2.1 0.022 0.34 UG/M3 2.1 EPD-WA-04-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.55 0.0082 0.24 UG/M3 0.55 EPD-WA-04-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.0092 J 0.0028 0.5 UG/M3 0.0092 J Page 10 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.068 J 0.051 0.36 UG/M3 0.36 U EPD-WA-04-100923 TO-15 SIM 95-47-6 O-XYLENE 0.22 0.0022 0.12 UG/M3 0.22 EPD-WA-04-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.039 J 0.0091 0.19 UG/M3 0.039 J EPD-WA-04-100923 TO-15 SIM 108-88-3 TOLUENE 1.1 0.012 0.26 UG/M3 1.1 J+ EPD-WA-04-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.037 J 0.0056 0.55 UG/M3 0.037 J EPD-WA-04-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.0098 0.15 UG/M3 0.15 U EPD-WA-04-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.0047 0.036 UG/M3 0.036 U EPD-WA-05-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.32 5 UG/M3 5.0 U EPD-WA-05-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.67 U 0.17 0.67 UG/M3 0.67 U EPD-WA-05-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.077 0.82 UG/M3 0.82 U EPD-WA-05-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.11 0.63 UG/M3 0.63 U EPD-WA-05-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.064 J 0.038 0.67 UG/M3 0.064 J EPD-WA-05-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-WA-05-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.07 0.82 UG/M3 0.82 U EPD-WA-05-100923 TO-15 123-91-1 1,4-DIOXANE 0.11 J 0.072 0.49 UG/M3 0.11 J EPD-WA-05-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.19 J 0.083 3.2 UG/M3 0.19 J EPD-WA-05-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.93 J 0.15 2 UG/M3 0.93 J EPD-WA-05-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-WA-05-100923 TO-15 67-63-0 2-PROPANOL 6.7 U 0.53 6.7 UG/M3 6.7 U EPD-WA-05-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-WA-05-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.071 J 0.036 0.67 UG/M3 0.67 U EPD-WA-05-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.075 0.56 UG/M3 0.56 U EPD-WA-05-100923 TO-15 67-64-1 ACETONE 7.8 2.1 6.5 UG/M3 7.8 J+ EPD-WA-05-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.087 0.7 UG/M3 0.70 U EPD-WA-05-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.91 U 0.13 0.91 UG/M3 0.91 U EPD-WA-05-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-05-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-WA-05-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.091 2.1 UG/M3 2.1 U EPD-WA-05-100923 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.062 0.63 UG/M3 0.63 U EPD-WA-05-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.06 0.62 UG/M3 0.62 U EPD-WA-05-100923 TO-15 98-82-8 CUMENE 0.026 J 0.025 0.67 UG/M3 0.026 J EPD-WA-05-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.065 2.3 UG/M3 2.3 U EPD-WA-05-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-05-100923 TO-15 64-17-5 ETHANOL 1.9 J 0.37 5.1 UG/M3 1.9 J EPD-WA-05-100923 TO-15 75-69-4 FREON 11 1 0.11 0.76 UG/M3 1.0 EPD-WA-05-100923 TO-15 76-13-1 FREON 113 0.44 J 0.16 1 UG/M3 0.44 J EPD-WA-05-100923 TO-15 142-82-5 HEPTANE 0.22 J 0.079 2.8 UG/M3 0.22 J EPD-WA-05-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 0.28 7.2 UG/M3 7.2 U EPD-WA-05-100923 TO-15 110-54-3 HEXANE 0.38 J 0.056 2.4 UG/M3 0.38 J Page 11 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.94 U 0.64 0.94 UG/M3 0.94 U EPD-WA-05-100923 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.097 0.67 UG/M3 0.67 U EPD-WA-05-100923 TO-15 100-42-5 STYRENE 0.58 U 0.042 0.58 UG/M3 0.58 U EPD-WA-05-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.56 2 UG/M3 2.0 U EPD-WA-05-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.086 0.62 UG/M3 0.62 U EPD-WA-05-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-05-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-05-100923 TO-15 7440-63-3 XENON 2.8 NJ PPBV 2.8 NJ EPD-WA-05-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-WA-05-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.048 0.19 UG/M3 0.19 U EPD-WA-05-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0076 0.15 UG/M3 0.15 U EPD-WA-05-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U EPD-WA-05-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.0068 0.054 UG/M3 0.054 U EPD-WA-05-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-WA-05-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.046 J 0.014 0.11 UG/M3 0.046 J EPD-WA-05-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.052 0.16 UG/M3 0.16 U EPD-WA-05-100923 TO-15 SIM 71-43-2 BENZENE 0.61 0.018 0.22 UG/M3 0.61 EPD-WA-05-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.034 0.17 UG/M3 0.44 EPD-WA-05-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-05-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.071 J 0.0072 0.13 UG/M3 0.071 J EPD-WA-05-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.64 J 0.095 1.4 UG/M3 0.64 J EPD-WA-05-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-WA-05-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.74 0.0035 0.12 UG/M3 0.74 EPD-WA-05-100923 TO-15 SIM 76-14-2 FREON 114 0.1 J 0.021 0.19 UG/M3 0.10 J EPD-WA-05-100923 TO-15 SIM 75-71-8 FREON 12 2 0.021 0.34 UG/M3 2.0 EPD-WA-05-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 2.9 0.008 0.24 UG/M3 2.9 EPD-WA-05-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0027 0.49 UG/M3 0.49 U EPD-WA-05-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.051 J 0.05 0.36 UG/M3 0.36 U EPD-WA-05-100923 TO-15 SIM 95-47-6 O-XYLENE 0.89 0.0021 0.12 UG/M3 0.89 EPD-WA-05-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.023 J 0.0089 0.18 UG/M3 0.023 J EPD-WA-05-100923 TO-15 SIM 108-88-3 TOLUENE 6.3 0.012 0.26 UG/M3 6.3 J+ EPD-WA-05-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.54 U 0.0055 0.54 UG/M3 0.54 U EPD-WA-05-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.0096 0.15 UG/M3 0.15 U EPD-WA-05-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0046 0.035 UG/M3 0.035 U EPD-WA-06-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.32 5 UG/M3 5.0 U EPD-WA-06-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.18 J 0.17 0.67 UG/M3 0.18 J EPD-WA-06-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.077 0.82 UG/M3 0.82 U EPD-WA-06-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.11 0.63 UG/M3 0.63 U EPD-WA-06-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.059 J 0.038 0.67 UG/M3 0.059 J Page 12 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-WA-06-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.07 0.82 UG/M3 0.82 U EPD-WA-06-100923 TO-15 123-91-1 1,4-DIOXANE 0.091 J 0.072 0.49 UG/M3 0.091 J EPD-WA-06-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.23 J 0.083 3.2 UG/M3 0.23 J EPD-WA-06-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.28 J 0.15 2 UG/M3 0.28 J EPD-WA-06-100923 TO-15 591-78-6 2-HEXANONE 2.8 U 0.26 2.8 UG/M3 2.8 U EPD-WA-06-100923 TO-15 67-63-0 2-PROPANOL 6.7 U 0.53 6.7 UG/M3 6.7 U EPD-WA-06-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-WA-06-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.054 J 0.036 0.67 UG/M3 0.67 U EPD-WA-06-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.075 0.56 UG/M3 0.56 U EPD-WA-06-100923 TO-15 67-64-1 ACETONE 7 2.1 6.5 UG/M3 7.0 J+ EPD-WA-06-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.087 0.7 UG/M3 0.70 U EPD-WA-06-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.91 U 0.13 0.91 UG/M3 0.91 U EPD-WA-06-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-06-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-WA-06-100923 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.091 2.1 UG/M3 2.1 U EPD-WA-06-100923 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.062 0.63 UG/M3 0.63 U EPD-WA-06-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.06 0.62 UG/M3 0.62 U EPD-WA-06-100923 TO-15 98-82-8 CUMENE 0.67 U 0.025 0.67 UG/M3 0.67 U EPD-WA-06-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.065 2.3 UG/M3 2.3 U EPD-WA-06-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-06-100923 TO-15 64-17-5 ETHANOL 1.3 J 0.37 5.1 UG/M3 1.3 J EPD-WA-06-100923 TO-15 75-69-4 FREON 11 1 0.11 0.76 UG/M3 1.0 EPD-WA-06-100923 TO-15 76-13-1 FREON 113 0.42 J 0.16 1 UG/M3 0.42 J EPD-WA-06-100923 TO-15 142-82-5 HEPTANE 0.27 J 0.079 2.8 UG/M3 0.27 J EPD-WA-06-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 0.28 7.2 UG/M3 7.2 U EPD-WA-06-100923 TO-15 110-54-3 HEXANE 0.43 J 0.056 2.4 UG/M3 0.43 J EPD-WA-06-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.94 U 0.64 0.94 UG/M3 0.94 U EPD-WA-06-100923 TO-15 103-65-1 PROPYLBENZENE 0.67 U 0.097 0.67 UG/M3 0.67 U EPD-WA-06-100923 TO-15 100-42-5 STYRENE 0.58 U 0.042 0.58 UG/M3 0.58 U EPD-WA-06-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.56 2 UG/M3 2.0 U EPD-WA-06-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 U 0.086 0.62 UG/M3 0.62 u EPD-WA-06-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-06-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-06-100923 TO-15 7440-63-3 XENON 2.6 NJ PPBV 2.6 NJ EPD-WA-06-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.013 0.15 UG/M3 0.15 U EPD-WA-06-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.048 0.19 UG/M3 0.19 U EPD-WA-06-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0076 0.15 UG/M3 0.15 U EPD-WA-06-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U Page 13 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.0068 0.054 UG/M3 0.054 U EPD-WA-06-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.021 0.21 UG/M3 0.21 U EPD-WA-06-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.046 J 0.014 0.11 UG/M3 0.046 J EPD-WA-06-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.052 0.16 UG/M3 0.16 U EPD-WA-06-100923 TO-15 SIM 71-43-2 BENZENE 1 0.018 0.22 UG/M3 1.0 EPD-WA-06-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.44 0.034 0.17 UG/M3 0.44 EPD-WA-06-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-06-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.065 J 0.0072 0.13 UG/M3 0.065 J EPD-WA-06-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.65 J 0.095 1.4 UG/M3 0.65 J EPD-WA-06-100923 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-WA-06-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.08 J 0.0035 0.12 UG/M3 0.12 U EPD-WA-06-100923 TO-15 SIM 76-14-2 FREON 114 0.098 J 0.021 0.19 UG/M3 0.098 J EPD-WA-06-100923 TO-15 SIM 75-71-8 FREON 12 2 0.021 0.34 UG/M3 2.0 EPD-WA-06-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 0.008 0.24 UG/M3 0.31 J+ EPD-WA-06-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.0027 0.49 UG/M3 0.49 U EPD-WA-06-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.36 U 0.05 0.36 UG/M3 0.36 U EPD-WA-06-100923 TO-15 SIM 95-47-6 O-XYLENE 0.12 0.0021 0.12 UG/M3 0.12 J+ EPD-WA-06-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.023 J 0.0089 0.18 UG/M3 0.023 J EPD-WA-06-100923 TO-15 SIM 108-88-3 TOLUENE 0.67 0.012 0.26 UG/M3 0.67 J+ EPD-WA-06-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.0084 J 0.0055 0.54 UG/M3 0.0084 J EPD-WA-06-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.012 J 0.0096 0.15 UG/M3 0.012 J EPD-WA-06-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.0046 0.035 UG/M3 0.035 U EPD-WA-66-100923 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.31 5 UG/M3 5.0 U EPD-WA-66-100923 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.66 U 0.16 0.66 UG/M3 0.66 U EPD-WA-66-100923 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.8 U 0.076 0.8 UG/M3 0.80 U EPD-WA-66-100923 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.62 U 0.11 0.62 UG/M3 0.62 U EPD-WA-66-100923 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.062 J 0.038 0.66 UG/M3 0.062 J EPD-WA-66-100923 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.027 0.3 UG/M3 0.30 U EPD-WA-66-100923 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.8 U 0.069 0.8 UG/M3 0.80 U EPD-WA-66-100923 TO-15 123-91-1 1,4-DIOXANE 0.48 U 0.071 0.48 UG/M3 0.48 U EPD-WA-66-100923 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 0.24 J 0.082 3.1 UG/M3 0.24 J EPD-WA-66-100923 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 0.28 J 0.15 2 UG/M3 0.28 J EPD-WA-66-100923 TO-15 591-78-6 2-HEXANONE 2.7 U 0.25 2.7 UG/M3 2.7 U EPD-WA-66-100923 TO-15 67-63-0 2-PROPANOL 6.6 U 0.52 6.6 UG/M3 6.6 U EPD-WA-66-100923 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.26 2.1 UG/M3 2.1 U EPD-WA-66-100923 TO-15 622-96-8 4-ETHYLTOLUENE 0.13 J 0.036 0.66 UG/M3 0.66 U EPD-WA-66-100923 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.55 U 0.074 0.55 UG/M3 0.55 U EPD-WA-66-100923 TO-15 67-64-1 ACETONE 6.4 2.1 6.4 UG/M3 6.4 J+ EPD-WA-66-100923 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.69 U 0.086 0.69 UG/M3 0.69 U Page 14 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-66-100923 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.9 U 0.13 0.9 UG/M3 0.90 U EPD-WA-66-100923 TO-15 75-25-2 BROMOFORM 1.4 U 0.18 1.4 UG/M3 1.4 U EPD-WA-66-100923 TO-15 74-83-9 BROMOMETHANE 26 U 1.3 26 UG/M3 26 U EPD-WA-66-100923 TO-15 75-15-0 CARBON DISULFIDE 0.093 J 0.09 2.1 UG/M3 2.1 U EPD-WA-66-100923 TO-15 108-90-7 CHLOROBENZENE 0.62 U 0.061 0.62 UG/M3 0.62 U EPD-WA-66-100923 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.61 U 0.059 0.61 UG/M3 0.61 U EPD-WA-66-100923 TO-15 98-82-8 CUMENE 0.66 U 0.025 0.66 UG/M3 0.66 U EPD-WA-66-100923 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.064 2.3 UG/M3 2.3 U EPD-WA-66-100923 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.1 U 0.13 1.1 UG/M3 1.1 U EPD-WA-66-100923 TO-15 64-17-5 ETHANOL 1.2 J 0.36 5 UG/M3 1.2 J EPD-WA-66-100923 TO-15 75-69-4 FREON 11 1.1 0.11 0.75 UG/M3 1.1 EPD-WA-66-100923 TO-15 76-13-1 FREON 113 0.39 J 0.16 1 UG/M3 0.39 J EPD-WA-66-100923 TO-15 142-82-5 HEPTANE 0.27 J 0.078 2.7 UG/M3 0.27 J EPD-WA-66-100923 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.1 U 0.27 7.1 UG/M3 7.1 U EPD-WA-66-100923 TO-15 110-54-3 HEXANE 0.47 J 0.055 2.4 UG/M3 0.47 J EPD-WA-66-100923 TO-15 75-09-2 METHYLENE CHLORIDE 0.93 U 0.63 0.93 UG/M3 0.93 U EPD-WA-66-100923 TO-15 103-65-1 PROPYLBENZENE 0.66 U 0.096 0.66 UG/M3 0.66 U EPD-WA-66-100923 TO-15 100-42-5 STYRENE 0.57 U 0.041 0.57 UG/M3 0.57 U EPD-WA-66-100923 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.55 2 UG/M3 2.0 U EPD-WA-66-100923 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.61 U 0.085 0.61 UG/M3 0.61 U EPD-WA-66-100923 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-66-100923 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-66-100923 TO-15 7440-63-3 XENON 2.6 NJ PPBV 2.6 NJ EPD-WA-66-100923 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.012 0.15 UG/M3 0.15 U EPD-WA-66-100923 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.18 U 0.048 0.18 UG/M3 0.18 U EPD-WA-66-100923 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.0074 0.15 UG/M3 0.15 U EPD-WA-66-100923 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.006 0.11 UG/M3 0.11 U EPD-WA-66-100923 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.053 U 0.0067 0.053 UG/M3 0.053 U EPD-WA-66-100923 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.2 U 0.02 0.2 UG/M3 0.20 U EPD-WA-66-100923 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.047 J 0.014 0.11 UG/M3 0.047 J EPD-WA-66-100923 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.051 0.16 UG/M3 0.16 U EPD-WA-66-100923 TO-15 SIM 71-43-2 BENZENE 0.99 0.018 0.21 UG/M3 0.99 EPD-WA-66-100923 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.034 0.17 UG/M3 0.45 EPD-WA-66-100923 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.011 0.18 UG/M3 0.18 U EPD-WA-66-100923 TO-15 SIM 67-66-3 CHLOROFORM 0.066 J 0.0071 0.13 UG/M3 0.066 J EPD-WA-66-100923 TO-15 SIM 74-87-3 CHLOROMETHANE 0.65 J 0.094 1.4 UG/M3 0.65 J EPD-WA-66-100923 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.004 0.11 UG/M3 0.11 U EPD-WA-66-100923 TO-15 SIM 100-41-4 ETHYL BENZENE 0.079 J 0.0035 0.12 UG/M3 0.12 U EPD-WA-66-100923 TO-15 SIM 76-14-2 FREON 114 0.094 J 0.021 0.19 UG/M3 0.094 J Page 15 of 16 ------- E PALESTINE SITE - ER AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310157 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-66-100923 TO-15 SIM 75-71-8 FREON 12 2 0.021 0.33 UG/M3 2.0 EPD-WA-66-100923 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 0.0079 0.23 UG/M3 0.31 J+ EPD-WA-66-100923 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.0094 J 0.0027 0.48 UG/M3 0.0094 J EPD-WA-66-100923 TO-15 SIM 91-20-3 NAPHTHALENE 0.061 J 0.049 0.35 UG/M3 0.35 U EPD-WA-66-100923 TO-15 SIM 95-47-6 O-XYLENE 0.12 0.0021 0.12 UG/M3 0.12 J+ EPD-WA-66-100923 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.023 J 0.0088 0.18 UG/M3 0.023 J EPD-WA-66-100923 TO-15 SIM 108-88-3 TOLUENE 0.69 0.012 0.25 UG/M3 0.69 J+ EPD-WA-66-100923 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.026 J 0.0054 0.53 UG/M3 0.026 J EPD-WA-66-100923 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.14 U 0.0094 0.14 UG/M3 0.14 U EPD-WA-66-100923 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.034 U 0.0046 0.034 UG/M3 0.034 U Page 16 of 16 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT Site Name E Palestine Site - ER TO/TOLIN No. 68HE0520F0032/0001EB201 Document Tracking No. 2227d Laboratory Report No. 2310159 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 pair Collection Date(s) 10/08/2023 Field Duplicate Pairs EPD-WA-05-100823/EPD-WA-55-100823 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, East Palestine Train Derailment Site, East Palestine, Columbiana County, Ohio, Revision 3 (April 2023), 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 this validation effort. Data completeness: Within Criteria Exceedance/Notes N Laboratory control sample/laboratory control sample duplicate relative percent differences (RPD) and Chain of Custody (COC) were not provided in the Level II laboratory report. The laboratory provided the RPDs and COC 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 N The residual canister receipt vacuums in the laboratory report were recorded as positive values. The laboratory was contacted and confirmed that all values were negative, even though the minus signs were missing, and that the laboratory used the following convention for recording Summa canister vacuums and pressures: vacuums were recorded as positive values using the unit of inches of mercury ("Hg), and positive pressures were recorded using the unit pounds per square inch (psi). No qualifications were applied. Method blanks: Within Criteria Exceedance/Notes N TO-15 SIM (2310159-10B): m,p-Xylene, naphthalene and toluene were detected in the method blank at levels between the method detection limit (MDL) and reporting limit (RL). m,p-Xylene in samples EPD-DW-C-100823, EPD-UW-G-100823, EPD-WA-02-100823, EPD-WA-03-100823 and EPD-WA-06-100823 were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All remaining m,p-xylene samples were greater than ten times the blank value; therefore, no qualifications were necessary. All naphthalene were detected below the RL; therefore, results were qualified as nondetect (flagged U) at the RL. All toluene sample results were greater than ten times the blank value; therefore, no qualifications were necessary. Field blanks: Within Criteria Exceedance/Notes NA Surrogates and labeled compounds: Within Criteria Exceedance/Notes Y 1 . 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 N Field duplicate precision was not met for 2-propanol. The parent sample and field duplicate results were qualified as estimated (flagged J). LCSs/LCSDs: Within Criteria Exceedance/Notes Y Sample dilutions: Within Criteria Exceedance/Notes Y Canister dilution factors ranged from 1.33 to 1.66. While no qualifications were applied, the data user should be aware of increased reporting limits for sample dilutions. Re-extraction and reanalysis: Within Criteria Exceedance/Notes NA TETRA TECH Page 3 of 5 ------- DATA VALIDATION CHECKLIST - STAGE 2A EPA REGION 5 START CONTRACT 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 most samples. The laboratory qualified known TICs as tentatively identified (flagged NJ). The laboratory qualified unknown TICs as estimated (flagged J). The laboratory qualified the results for 2-ethyl-l-hexanol and butyl acrylate as manually searched for, but not found in the sample (flagged U,NF). Other [Continuing calibration]: Within Criteria Exceedance/Notes Y 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. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-C-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 6.2 U 0.81 6.2 UG/M3 6.2 U EPD-DW-C-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.82 U 0.1 0.82 UG/M3 0.82 U EPD-DW-C-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 1 U 0.11 1 UG/M3 1.0 U EPD-DW-C-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.77 U 0.15 0.77 UG/M3 0.77 U EPD-DW-C-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.82 U 0.094 0.82 UG/M3 0.82 U EPD-DW-C-100823 TO-15 106-99-0 1,3-BUTADIENE 0.37 U 0.053 0.37 UG/M3 0.37 U EPD-DW-C-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 1 U 0.18 1 UG/M3 1.0 U EPD-DW-C-100823 TO-15 123-91-1 1,4-DIOXANE 0.6 U 0.22 0.6 UG/M3 0.60 U EPD-DW-C-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.9 U 0.61 3.9 UG/M3 3.9 U EPD-DW-C-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.4 U 0.58 2.4 UG/M3 2.4 U EPD-DW-C-100823 TO-15 591-78-6 2-HEXANONE 3.4 U 0.48 3.4 UG/M3 3.4 U EPD-DW-C-100823 TO-15 67-63-0 2-PROPANOL 8.2 U 2.2 8.2 UG/M3 8.2 U EPD-DW-C-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.6 U 0.71 2.6 UG/M3 2.6 U EPD-DW-C-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.82 U 0.11 0.82 UG/M3 0.82 U EPD-DW-C-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.68 U 0.18 0.68 UG/M3 0.68 U EPD-DW-C-100823 TO-15 67-64-1 ACETONE 4.3 J 1.2 7.9 UG/M3 4.3 J EPD-DW-C-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.86 U 0.1 0.86 UG/M3 0.86 U EPD-DW-C-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 1.1 U 0.16 1.1 UG/M3 1.1 U EPD-DW-C-100823 TO-15 75-25-2 BROMOFORM 1.7 U 0.23 1.7 UG/M3 1.7 U EPD-DW-C-100823 TO-15 74-83-9 BROMOMETHANE 32 U 0.85 32 UG/M3 32 U EPD-DW-C-100823 TO-15 75-15-0 CARBON DISULFIDE 2.6 U 0.53 2.6 UG/M3 2.6 U EPD-DW-C-100823 TO-15 108-90-7 CHLOROBENZENE 0.76 U 0.086 0.76 UG/M3 0.76 U EPD-DW-C-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.75 U 0.12 0.75 UG/M3 0.75 U EPD-DW-C-100823 TO-15 98-82-8 CUMENE 0.82 U 0.11 0.82 UG/M3 0.82 U EPD-DW-C-100823 TO-15 110-82-7 CYCLOHEXANE 2.8 U 0.45 2.8 UG/M3 2.8 U EPD-DW-C-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.4 U 0.15 1.4 UG/M3 1.4 U EPD-DW-C-100823 TO-15 64-17-5 ETHANOL 3.2 J 2.3 6.2 UG/M3 3.2 J EPD-DW-C-100823 TO-15 75-69-4 FREON 11 1.4 0.16 0.93 UG/M3 1.4 EPD-DW-C-100823 TO-15 76-13-1 FREON 113 0.56 J 0.21 1.3 UG/M3 0.56 J EPD-DW-C-100823 TO-15 142-82-5 HEPTANE 3.4 U 0.62 3.4 UG/M3 3.4 u EPD-DW-C-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 8.8 U 1.3 8.8 UG/M3 8.8 u EPD-DW-C-100823 TO-15 110-54-3 HEXANE 2.9 u 0.27 2.9 UG/M3 2.9 u EPD-DW-C-100823 TO-15 75-09-2 METHYLENE CHLORIDE 1.2 u 0.47 1.2 UG/M3 1.2 u EPD-DW-C-100823 TO-15 103-65-1 PROPYLBENZENE 0.82 u 0.12 0.82 UG/M3 0.82 u EPD-DW-C-100823 TO-15 100-42-5 STYRENE 0.71 u 0.059 0.71 UG/M3 0.71 u EPD-DW-C-100823 TO-15 109-99-9 TETRAHYDROFURAN 2.4 u 0.54 2.4 UG/M3 2.4 u EPD-DW-C-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.75 u 0.12 0.75 UG/M3 0.75 u EPD-DW-C-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 u PPBV 0 U,NF EPD-DW-C-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 u PPBV 0 U,NF Page 1 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-DW-C-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.18 U 0.038 0.18 UG/M3 0.18 U EPD-DW-C-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.23 U 0.037 0.23 UG/M3 0.23 U EPD-DW-C-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.18 U 0.022 0.18 UG/M3 0.18 U EPD-DW-C-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.13 U 0.03 0.13 UG/M3 0.13 U EPD-DW-C-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.066 U 0.026 0.066 UG/M3 0.066 U EPD-DW-C-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.26 U 0.03 0.26 UG/M3 0.26 U EPD-DW-C-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.064 J 0.029 0.13 UG/M3 0.064 J EPD-DW-C-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.2 U 0.081 0.2 UG/M3 0.20 U EPD-DW-C-100823 TO-15 SIM 71-43-2 BENZENE 0.76 0.054 0.26 UG/M3 0.76 EPD-DW-C-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.53 0.043 0.21 UG/M3 0.53 EPD-DW-C-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.22 U 0.023 0.22 UG/M3 0.22 U EPD-DW-C-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.11 J 0.035 0.16 UG/M3 0.11 J EPD-DW-C-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.87 J 0.028 1.7 UG/M3 0.87 J EPD-DW-C-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.13 U 0.035 0.13 UG/M3 0.13 U EPD-DW-C-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.067 J 0.022 0.14 UG/M3 0.067 J EPD-DW-C-100823 TO-15 SIM 76-14-2 FREON 114 0.14 J 0.064 0.23 UG/M3 0.14 J EPD-DW-C-100823 TO-15 SIM 75-71-8 FREON 12 3 0.047 0.41 UG/M3 3.0 EPD-DW-C-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.16 J 0.035 0.29 UG/M3 0.29 U EPD-DW-C-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.6 U 0.013 0.6 UG/M3 0.60 U EPD-DW-C-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.081 J 0.02 0.44 UG/M3 0.44 U EPD-DW-C-100823 TO-15 SIM 95-47-6 O-XYLENE 0.068 J 0.029 0.14 UG/M3 0.068 J EPD-DW-C-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.063 J 0.044 0.22 UG/M3 0.063 J EPD-DW-C-100823 TO-15 SIM 108-88-3 TOLUENE 0.45 0.038 0.31 UG/M3 0.45 EPD-DW-C-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.66 U 0.032 0.66 UG/M3 0.66 U EPD-DW-C-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.18 U 0.036 0.18 UG/M3 0.18 U EPD-DW-C-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.042 U 0.018 0.042 UG/M3 0.042 U EPD-UW-G-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.2 U 0.68 5.2 UG/M3 5.2 U EPD-UW-G-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.69 U 0.087 0.69 UG/M3 0.69 U EPD-UW-G-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.84 U 0.093 0.84 UG/M3 0.84 U EPD-UW-G-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.65 U 0.13 0.65 UG/M3 0.65 U EPD-UW-G-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.69 U 0.079 0.69 UG/M3 0.69 U EPD-UW-G-100823 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.044 0.31 UG/M3 0.31 U EPD-UW-G-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.84 U 0.15 0.84 UG/M3 0.84 U EPD-UW-G-100823 TO-15 123-91-1 1,4-DIOXANE 0.5 U 0.18 0.5 UG/M3 0.50 U EPD-UW-G-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.3 U 0.52 3.3 UG/M3 3.3 U EPD-UW-G-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.1 U 0.49 2.1 UG/M3 2.1 U EPD-UW-G-100823 TO-15 591-78-6 2-HEXANONE 2.9 U 0.41 2.9 UG/M3 2.9 U EPD-UW-G-100823 TO-15 67-63-0 2-PROPANOL 6.9 U 1.8 6.9 UG/M3 6.9 u EPD-UW-G-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.6 2.2 UG/M3 2.2 u Page 2 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-G-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.69 U 0.091 0.69 UG/M3 0.69 U EPD-UW-G-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.57 U 0.15 0.57 UG/M3 0.57 U EPD-UW-G-100823 TO-15 67-64-1 ACETONE 4.7 J 1 6.6 UG/M3 4.7 J EPD-UW-G-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.72 U 0.086 0.72 UG/M3 0.72 U EPD-UW-G-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.94 U 0.14 0.94 UG/M3 0.94 U EPD-UW-G-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-UW-G-100823 TO-15 74-83-9 BROMOMETHANE 27 U 0.71 27 UG/M3 27 U EPD-UW-G-100823 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.44 2.2 UG/M3 2.2 U EPD-UW-G-100823 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.072 0.64 UG/M3 0.64 U EPD-UW-G-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-UW-G-100823 TO-15 98-82-8 CUMENE 0.69 U 0.095 0.69 UG/M3 0.69 U EPD-UW-G-100823 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.38 2.4 UG/M3 2.4 U EPD-UW-G-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-UW-G-100823 TO-15 64-17-5 ETHANOL 3 J 1.9 5.3 UG/M3 3.0 J EPD-UW-G-100823 TO-15 75-69-4 FREON 11 1.2 0.13 0.79 UG/M3 1.2 EPD-UW-G-100823 TO-15 76-13-1 FREON 113 0.51 J 0.18 1.1 UG/M3 0.51 J EPD-UW-G-100823 TO-15 142-82-5 HEPTANE 2.9 U 0.52 2.9 UG/M3 2.9 U EPD-UW-G-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.5 U 1.1 7.5 UG/M3 7.5 U EPD-UW-G-100823 TO-15 110-54-3 HEXANE 2.5 U 0.22 2.5 UG/M3 2.5 U EPD-UW-G-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.97 U 0.4 0.97 UG/M3 0.97 U EPD-UW-G-100823 TO-15 103-65-1 PROPYLBENZENE 0.69 U 0.098 0.69 UG/M3 0.69 U EPD-UW-G-100823 TO-15 100-42-5 STYRENE 0.6 U 0.05 0.6 UG/M3 0.60 U EPD-UW-G-100823 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.46 2.1 UG/M3 2.1 U EPD-UW-G-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-UW-G-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-UW-G-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-UW-G-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.032 0.15 UG/M3 0.15 U EPD-UW-G-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.032 0.19 UG/M3 0.19 U EPD-UW-G-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.019 0.15 UG/M3 0.15 U EPD-UW-G-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.026 0.11 UG/M3 0.11 U EPD-UW-G-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.056 U 0.022 0.056 UG/M3 0.056 U EPD-UW-G-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 u 0.025 0.22 UG/M3 0.22 U EPD-UW-G-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.024 0.11 UG/M3 0.055 J EPD-UW-G-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 u 0.068 0.17 UG/M3 0.17 U EPD-UW-G-100823 TO-15 SIM 71-43-2 BENZENE 0.62 0.046 0.22 UG/M3 0.62 EPD-UW-G-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.036 0.18 UG/M3 0.46 EPD-UW-G-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 u 0.02 0.18 UG/M3 0.18 U EPD-UW-G-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.085 J 0.03 0.14 UG/M3 0.085 J EPD-UW-G-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.77 J 0.024 1.4 UG/M3 0.77 J Page 3 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-UW-G-100823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.03 0.11 UG/M3 0.11 U EPD-UW-G-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.05 J 0.019 0.12 UG/M3 0.050 J EPD-UW-G-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.054 0.2 UG/M3 0.12 J EPD-UW-G-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.04 0.35 UG/M3 2.6 EPD-UW-G-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.12 J 0.03 0.24 UG/M3 0.24 U EPD-UW-G-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.5 U 0.011 0.5 UG/M3 0.50 U EPD-UW-G-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.064 J 0.017 0.37 UG/M3 0.37 U EPD-UW-G-100823 TO-15 SIM 95-47-6 O-XYLENE 0.048 J 0.024 0.12 UG/M3 0.048 J EPD-UW-G-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.037 0.19 UG/M3 0.19 U EPD-UW-G-100823 TO-15 SIM 108-88-3 TOLUENE 0.36 0.032 0.26 UG/M3 0.36 EPD-UW-G-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.16 J 0.027 0.56 UG/M3 0.16 J EPD-UW-G-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.031 0.15 UG/M3 0.15 U EPD-UW-G-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.015 0.036 UG/M3 0.036 U EPD-WA-01-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 4.9 U 0.65 4.9 UG/M3 4.9 U EPD-WA-01-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.12 J 0.083 0.65 UG/M3 0.12 J EPD-WA-01-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.8 U 0.088 0.8 UG/M3 0.80 U EPD-WA-01-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.61 U 0.12 0.61 UG/M3 0.61 U EPD-WA-01-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.65 U 0.075 0.65 UG/M3 0.65 U EPD-WA-01-100823 TO-15 106-99-0 1,3-BUTADIENE 0.29 U 0.042 0.29 UG/M3 0.29 U EPD-WA-01-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.8 U 0.14 0.8 UG/M3 0.80 U EPD-WA-01-100823 TO-15 123-91-1 1,4-DIOXANE 0.48 U 0.17 0.48 UG/M3 0.48 U EPD-WA-01-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.1 U 0.49 3.1 UG/M3 3.1 U EPD-WA-01-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 1.9 J 0.47 2 UG/M3 1.9 J EPD-WA-01-100823 TO-15 591-78-6 2-HEXANONE 2.7 U 0.38 2.7 UG/M3 2.7 U EPD-WA-01-100823 TO-15 67-63-0 2-PROPANOL 6.5 U 1.8 6.5 UG/M3 6.5 U EPD-WA-01-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.57 2.1 UG/M3 2.1 U EPD-WA-01-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.65 U 0.086 0.65 UG/M3 0.65 U EPD-WA-01-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.2 J 0.14 0.54 UG/M3 0.20 J EPD-WA-01-100823 TO-15 67-64-1 ACETONE 11 0.96 6.3 UG/M3 11 EPD-WA-01-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.69 U 0.082 0.69 UG/M3 0.69 U EPD-WA-01-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.89 U 0.13 0.89 UG/M3 0.89 U EPD-WA-01-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.18 1.4 UG/M3 1.4 U EPD-WA-01-100823 TO-15 74-83-9 BROMOMETHANE 26 U 0.68 26 UG/M3 26 U EPD-WA-01-100823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.42 2.1 UG/M3 2.1 U EPD-WA-01-100823 TO-15 108-90-7 CHLOROBENZENE 0.61 U 0.069 0.61 UG/M3 0.61 U EPD-WA-01-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.6 U 0.099 0.6 UG/M3 0.60 u EPD-WA-01-100823 TO-15 98-82-8 CUMENE 0.65 U 0.09 0.65 UG/M3 0.65 u EPD-WA-01-100823 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.36 2.3 UG/M3 2.3 u EPD-WA-01-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.1 U 0.12 1.1 UG/M3 1.1 u Page 4 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100823 TO-15 64-17-5 ETHANOL 5.1 1.8 5 UG/M3 5.1 EPD-WA-01-100823 TO-15 75-69-4 FREON 11 1.3 0.13 0.75 UG/M3 1.3 EPD-WA-01-100823 TO-15 76-13-1 FREON 113 0.49 J 0.17 1 UG/M3 0.49 J EPD-WA-01-100823 TO-15 142-82-5 HEPTANE 2.7 U 0.5 2.7 UG/M3 2.7 U EPD-WA-01-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.1 U 1 7.1 UG/M3 7.1 U EPD-WA-01-100823 TO-15 110-54-3 HEXANE 0.31 J 0.21 2.3 UG/M3 0.31 J EPD-WA-01-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.38 J 0.38 0.92 UG/M3 0.38 J EPD-WA-01-100823 TO-15 103-65-1 PROPYLBENZENE 0.65 U 0.094 0.65 UG/M3 0.65 U EPD-WA-01-100823 TO-15 100-42-5 STYRENE 0.056 J 0.047 0.57 UG/M3 0.056 J EPD-WA-01-100823 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.44 2 UG/M3 2.0 U EPD-WA-01-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.6 U 0.097 0.6 UG/M3 0.60 U EPD-WA-01-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-01-100823 TO-15 106-97-8 BUTANE 0.69 NJ PPBV 0.69 NJ EPD-WA-01-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-01-100823 TO-15 NA UNKNOWN TIC 0.81 J PPBV 0.81 J EPD-WA-01-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.14 U 0.031 0.14 UG/M3 0.14 U EPD-WA-01-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.18 U 0.03 0.18 UG/M3 0.18 U EPD-WA-01-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.14 U 0.018 0.14 UG/M3 0.14 U EPD-WA-01-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.024 0.11 UG/M3 0.11 U EPD-WA-01-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.053 U 0.02 0.053 UG/M3 0.053 U EPD-WA-01-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.2 U 0.024 0.2 UG/M3 0.20 U EPD-WA-01-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.054 J 0.023 0.11 UG/M3 0.054 J EPD-WA-01-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.065 0.16 UG/M3 0.16 U EPD-WA-01-100823 TO-15 SIM 71-43-2 BENZENE 0.73 0.044 0.21 UG/M3 0.73 EPD-WA-01-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.034 0.17 UG/M3 0.46 EPD-WA-01-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.019 0.18 UG/M3 0.18 U EPD-WA-01-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.092 J 0.028 0.13 UG/M3 0.092 J EPD-WA-01-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.73 J 0.023 1.4 UG/M3 0.73 J EPD-WA-01-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.1 U 0.028 0.1 UG/M3 0.10 U EPD-WA-01-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.087 J 0.018 0.12 UG/M3 0.087 J EPD-WA-01-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.051 0.18 UG/M3 0.12 J EPD-WA-01-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.038 0.33 UG/M3 2.6 EPD-WA-01-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.24 0.028 0.23 UG/M3 0.24 EPD-WA-01-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.48 U 0.01 0.48 UG/M3 0.48 U EPD-WA-01-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.089 J 0.016 0.35 UG/M3 0.35 U EPD-WA-01-100823 TO-15 SIM 95-47-6 O-XYLENE 0.094 J 0.023 0.12 UG/M3 0.094 J EPD-WA-01-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.39 0.035 0.18 UG/M3 0.39 EPD-WA-01-100823 TO-15 SIM 108-88-3 TOLUENE 0.6 0.031 0.25 UG/M3 0.60 EPD-WA-01-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.53 U 0.025 0.53 UG/M3 0.53 U Page 5 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS_# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-01-100823 EPD-WA-01-100823 TO-15 SIM TO-15 SIM 79-01-6 75-01-4 TRICHLOROETHENE VINYL CHLORIDE 0.14 U 0.034 U 0.029 0.015 0.14 0.034 UG/M3 UG/M3 0.14 U 0.034 U EPD-WA-02-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.7 5.3 UG/M3 5.3 U EPD-WA-02-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.71 U 0.09 0.71 UG/M3 0.71 U EPD-WA-02-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.86 U 0.096 0.86 UG/M3 0.86 U EPD-WA-02-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.13 0.66 UG/M3 0.66 U EPD-WA-02-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.71 U 0.082 0.71 UG/M3 0.71 U EPD-WA-02-100823 TO-15 106-99-0 1,3-BUTADIENE 0.32 U 0.046 0.32 UG/M3 0.32 U EPD-WA-02-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.86 U 0.16 0.86 UG/M3 0.86 U EPD-WA-02-100823 TO-15 123-91-1 1,4-DIOXANE 0.52 U 0.19 0.52 UG/M3 0.52 U EPD-WA-02-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.4 U 0.53 3.4 UG/M3 3.4 U EPD-WA-02-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.1 U 0.51 2.1 UG/M3 2.1 U EPD-WA-02-100823 TO-15 591-78-6 2-HEXANONE 2.9 U 0.42 2.9 UG/M3 2.9 U EPD-WA-02-100823 TO-15 67-63-0 2-PROPANOL 7.1 U 1.9 7.1 UG/M3 7.1 U EPD-WA-02-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.62 2.2 UG/M3 2.2 U EPD-WA-02-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.71 U 0.094 0.71 UG/M3 0.71 U EPD-WA-02-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.59 U 0.16 0.59 UG/M3 0.59 U EPD-WA-02-100823 TO-15 67-64-1 ACETONE 3.5 J 1 6.8 UG/M3 3.5 J EPD-WA-02-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.088 0.74 UG/M3 0.74 U EPD-WA-02-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.96 U 0.14 0.96 UG/M3 0.96 U EPD-WA-02-100823 TO-15 75-25-2 BROMOFORM 1.5 U 0.2 1.5 UG/M3 1.5 U EPD-WA-02-100823 TO-15 74-83-9 BROMOMETHANE 28 U 0.73 28 UG/M3 28 U EPD-WA-02-100823 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.46 2.2 UG/M3 2.2 U EPD-WA-02-100823 TO-15 108-90-7 CHLOROBENZENE 0.66 U 0.074 0.66 UG/M3 0.66 U EPD-WA-02-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.65 U 0.11 0.65 UG/M3 0.65 U EPD-WA-02-100823 TO-15 98-82-8 CUMENE 0.71 U 0.097 0.71 UG/M3 0.71 U EPD-WA-02-100823 TO-15 110-82-7 CYCLOHEXANE 2.5 U 0.39 2.5 UG/M3 2.5 U EPD-WA-02-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-02-100823 TO-15 64-17-5 ETHANOL 3.2 J 2 5.4 UG/M3 3.2 J EPD-WA-02-100823 TO-15 75-69-4 FREON 11 1.3 0.14 0.81 UG/M3 1.3 EPD-WA-02-100823 TO-15 76-13-1 FREON 113 0.53 J 0.18 1.1 UG/M3 0.53 J EPD-WA-02-100823 TO-15 142-82-5 HEPTANE 3 u 0.54 3 UG/M3 3.0 U EPD-WA-02-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.7 u 1.1 7.7 UG/M3 7.7 U EPD-WA-02-100823 TO-15 110-54-3 HEXANE 2.5 u 0.23 2.5 UG/M3 2.5 U EPD-WA-02-100823 TO-15 75-09-2 METHYLENE CHLORIDE 1 u 0.41 1 UG/M3 1.0 U EPD-WA-02-100823 TO-15 103-65-1 PROPYLBENZENE 0.71 u 0.1 0.71 UG/M3 0.71 U EPD-WA-02-100823 TO-15 100-42-5 STYRENE 0.61 u 0.051 0.61 UG/M3 0.61 U EPD-WA-02-100823 TO-15 109-99-9 TETRAHYDROFURAN 2.1 u 0.47 2.1 UG/M3 2.1 U EPD-WA-02-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.65 u 0.1 0.65 UG/M3 0.65 U Page 6 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-02-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-02-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-02-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.16 U 0.033 0.16 UG/M3 0.16 U EPD-WA-02-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.2 U 0.032 0.2 UG/M3 0.20 U EPD-WA-02-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.16 U 0.019 0.16 UG/M3 0.16 U EPD-WA-02-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.12 U 0.026 0.12 UG/M3 0.12 U EPD-WA-02-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.057 U 0.022 0.057 UG/M3 0.057 U EPD-WA-02-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 U 0.026 0.22 UG/M3 0.22 U EPD-WA-02-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.054 J 0.025 0.12 UG/M3 0.054 J EPD-WA-02-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 U 0.07 0.17 UG/M3 0.17 U EPD-WA-02-100823 TO-15 SIM 71-43-2 BENZENE 0.65 0.047 0.23 UG/M3 0.65 EPD-WA-02-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.037 0.18 UG/M3 0.46 EPD-WA-02-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 U 0.02 0.19 UG/M3 0.19 U EPD-WA-02-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.086 J 0.03 0.14 UG/M3 0.086 J EPD-WA-02-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.74 J 0.025 1.5 UG/M3 0.74 J EPD-WA-02-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.031 0.11 UG/M3 0.11 U EPD-WA-02-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.068 J 0.02 0.12 UG/M3 0.068 J EPD-WA-02-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.056 0.2 UG/M3 0.12 J EPD-WA-02-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.041 0.36 UG/M3 2.6 EPD-WA-02-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.17 J 0.03 0.25 UG/M3 0.25 U EPD-WA-02-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.52 U 0.011 0.52 UG/M3 0.52 U EPD-WA-02-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.085 J 0.018 0.38 UG/M3 0.38 U EPD-WA-02-100823 TO-15 SIM 95-47-6 O-XYLENE 0.072 J 0.025 0.12 UG/M3 0.072 J EPD-WA-02-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.2 U 0.038 0.2 UG/M3 0.20 U EPD-WA-02-100823 TO-15 SIM 108-88-3 TOLUENE 0.42 0.033 0.27 UG/M3 0.42 EPD-WA-02-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.57 U 0.027 0.57 UG/M3 0.57 U EPD-WA-02-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.032 0.15 UG/M3 0.15 U EPD-WA-02-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.037 U 0.016 0.037 UG/M3 0.037 U EPD-WA-03-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.3 U 0.7 5.3 UG/M3 5.3 U EPD-WA-03-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.7 U 0.088 0.7 UG/M3 0.70 U EPD-WA-03-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.85 U 0.094 0.85 UG/M3 0.85 U EPD-WA-03-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.66 U 0.13 0.66 UG/M3 0.66 U EPD-WA-03-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.7 U 0.08 0.7 UG/M3 0.70 U EPD-WA-03-100823 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.045 0.31 UG/M3 0.31 U EPD-WA-03-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.85 U 0.16 0.85 UG/M3 0.85 U EPD-WA-03-100823 TO-15 123-91-1 1,4-DIOXANE 0.51 U 0.18 0.51 UG/M3 0.51 u EPD-WA-03-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.3 U 0.52 3.3 UG/M3 3.3 u EPD-WA-03-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2.1 U 0.5 2.1 UG/M3 2.1 u EPD-WA-03-100823 TO-15 591-78-6 2-HEXANONE 2.9 U 0.41 2.9 UG/M3 2.9 u Page 7 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100823 TO-15 67-63-0 2-PROPANOL 7 U 1.9 7 UG/M3 7.0 U EPD-WA-03-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.61 2.2 UG/M3 2.2 U EPD-WA-03-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.7 U 0.092 0.7 UG/M3 0.70 U EPD-WA-03-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.58 U 0.16 0.58 UG/M3 0.58 U EPD-WA-03-100823 TO-15 67-64-1 ACETONE 3.8 J 1 6.7 UG/M3 3.8 J EPD-WA-03-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.74 U 0.087 0.74 UG/M3 0.74 U EPD-WA-03-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.95 U 0.14 0.95 UG/M3 0.95 U EPD-WA-03-100823 TO-15 75-25-2 BROMOFORM 1.5 U 0.19 1.5 UG/M3 1.5 U EPD-WA-03-100823 TO-15 74-83-9 BROMOMETHANE 28 U 0.72 28 UG/M3 28 U EPD-WA-03-100823 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.45 2.2 UG/M3 2.2 U EPD-WA-03-100823 TO-15 108-90-7 CHLOROBENZENE 0.65 U 0.073 0.65 UG/M3 0.65 U EPD-WA-03-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-WA-03-100823 TO-15 98-82-8 CUMENE 0.7 U 0.096 0.7 UG/M3 0.70 U EPD-WA-03-100823 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.38 2.4 UG/M3 2.4 U EPD-WA-03-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-03-100823 TO-15 64-17-5 ETHANOL 4.9 J 1.9 5.4 UG/M3 4.9 J EPD-WA-03-100823 TO-15 75-69-4 FREON 11 1.2 0.13 0.8 UG/M3 1.2 EPD-WA-03-100823 TO-15 76-13-1 FREON 113 0.48 J 0.18 1.1 UG/M3 0.48 J EPD-WA-03-100823 TO-15 142-82-5 HEPTANE 2.9 U 0.53 2.9 UG/M3 2.9 U EPD-WA-03-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.6 U 1.1 7.6 UG/M3 7.6 U EPD-WA-03-100823 TO-15 110-54-3 HEXANE 2.5 U 0.23 2.5 UG/M3 2.5 U EPD-WA-03-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.99 U 0.4 0.99 UG/M3 0.99 U EPD-WA-03-100823 TO-15 103-65-1 PROPYLBENZENE 0.7 U 0.1 0.7 UG/M3 0.70 U EPD-WA-03-100823 TO-15 100-42-5 STYRENE 0.6 U 0.05 0.6 UG/M3 0.60 U EPD-WA-03-100823 TO-15 109-99-9 TETRAHYDROFURAN 2.1 U 0.46 2.1 UG/M3 2.1 U EPD-WA-03-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.64 U 0.1 0.64 UG/M3 0.64 U EPD-WA-03-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-03-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-03-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.033 0.15 UG/M3 0.15 U EPD-WA-03-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.032 0.19 UG/M3 0.19 U EPD-WA-03-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.019 0.15 UG/M3 0.15 U EPD-WA-03-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 u 0.026 0.11 UG/M3 0.11 U EPD-WA-03-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.056 u 0.022 0.056 UG/M3 0.056 U EPD-WA-03-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.22 u 0.026 0.22 UG/M3 0.22 U EPD-WA-03-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.025 0.11 UG/M3 0.055 J EPD-WA-03-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 u 0.069 0.17 UG/M3 0.17 U EPD-WA-03-100823 TO-15 SIM 71-43-2 BENZENE 0.59 0.046 0.23 UG/M3 0.59 EPD-WA-03-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.036 0.18 UG/M3 0.46 EPD-WA-03-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.19 u 0.02 0.19 UG/M3 0.19 U Page 8 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-03-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.081 J 0.03 0.14 UG/M3 0.081 J EPD-WA-03-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.91 J 0.024 1.5 UG/M3 0.91 J EPD-WA-03-100823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.03 0.11 UG/M3 0.11 U EPD-WA-03-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.046 J 0.019 0.12 UG/M3 0.046 J EPD-WA-03-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.055 0.2 UG/M3 0.12 J EPD-WA-03-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.04 0.35 UG/M3 2.6 EPD-WA-03-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.11 J 0.03 0.25 UG/M3 0.25 U EPD-WA-03-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.51 U 0.011 0.51 UG/M3 0.51 U EPD-WA-03-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.07 J 0.017 0.37 UG/M3 0.37 U EPD-WA-03-100823 TO-15 SIM 95-47-6 O-XYLENE 0.044 J 0.025 0.12 UG/M3 0.044 J EPD-WA-03-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.038 0.19 UG/M3 0.19 U EPD-WA-03-100823 TO-15 SIM 108-88-3 TOLUENE 0.35 0.033 0.27 UG/M3 0.35 EPD-WA-03-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.56 U 0.027 0.56 UG/M3 0.56 U EPD-WA-03-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.031 0.15 UG/M3 0.15 U EPD-WA-03-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.016 0.036 UG/M3 0.036 U EPD-WA-04-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.66 5 UG/M3 5.0 U EPD-WA-04-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.17 J 0.084 0.66 UG/M3 0.17 J EPD-WA-04-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.8 U 0.089 0.8 UG/M3 0.80 U EPD-WA-04-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-WA-04-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.66 U 0.076 0.66 UG/M3 0.66 U EPD-WA-04-100823 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.042 0.3 UG/M3 0.30 U EPD-WA-04-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.8 U 0.15 0.8 UG/M3 0.80 U EPD-WA-04-100823 TO-15 123-91-1 1,4-DIOXANE 0.48 U 0.17 0.48 UG/M3 0.48 U EPD-WA-04-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.1 U 0.49 3.1 UG/M3 3.1 U EPD-WA-04-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2 U 0.47 2 UG/M3 2.0 U EPD-WA-04-100823 TO-15 591-78-6 2-HEXANONE 2.7 U 0.39 2.7 UG/M3 2.7 U EPD-WA-04-100823 TO-15 67-63-0 2-PROPANOL 6.6 U 1.8 6.6 UG/M3 6.6 U EPD-WA-04-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.57 2.1 UG/M3 2.1 U EPD-WA-04-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.66 U 0.087 0.66 UG/M3 0.66 U EPD-WA-04-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.55 U 0.15 0.55 UG/M3 0.55 U EPD-WA-04-100823 TO-15 67-64-1 ACETONE 3.9 J 0.96 6.4 UG/M3 3.9 J EPD-WA-04-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.69 U 0.082 0.69 UG/M3 0.69 U EPD-WA-04-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.9 U 0.13 0.9 UG/M3 0.90 U EPD-WA-04-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.18 1.4 UG/M3 1.4 U EPD-WA-04-100823 TO-15 74-83-9 BROMOMETHANE 26 U 0.68 26 UG/M3 26 u EPD-WA-04-100823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.43 2.1 UG/M3 2.1 u EPD-WA-04-100823 TO-15 108-90-7 CHLOROBENZENE 0.62 U 0.069 0.62 UG/M3 0.62 u EPD-WA-04-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.61 U 0.099 0.61 UG/M3 0.61 u EPD-WA-04-100823 TO-15 98-82-8 CUMENE 0.66 u 0.09 0.66 UG/M3 0.66 u Page 9 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100823 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.36 2.3 UG/M3 2.3 U EPD-WA-04-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.1 U 0.12 1.1 UG/M3 1.1 U EPD-WA-04-100823 TO-15 64-17-5 ETHANOL 3.4 J 1.8 5 UG/M3 3.4 J EPD-WA-04-100823 TO-15 75-69-4 FREON 11 1.3 0.13 0.75 UG/M3 1.3 EPD-WA-04-100823 TO-15 76-13-1 FREON 113 0.55 J 0.17 1 UG/M3 0.55 J EPD-WA-04-100823 TO-15 142-82-5 HEPTANE 2.7 U 0.5 2.7 UG/M3 2.7 U EPD-WA-04-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.1 U 1 7.1 UG/M3 7.1 U EPD-WA-04-100823 TO-15 110-54-3 HEXANE 0.32 J 0.22 2.4 UG/M3 0.32 J EPD-WA-04-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.93 U 0.38 0.93 UG/M3 0.93 U EPD-WA-04-100823 TO-15 103-65-1 PROPYLBENZENE 0.66 U 0.094 0.66 UG/M3 0.66 U EPD-WA-04-100823 TO-15 100-42-5 STYRENE 0.57 U 0.047 0.57 UG/M3 0.57 U EPD-WA-04-100823 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.44 2 UG/M3 2.0 U EPD-WA-04-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.61 U 0.098 0.61 UG/M3 0.61 U EPD-WA-04-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-04-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-04-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.031 0.15 UG/M3 0.15 U EPD-WA-04-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.18 U 0.03 0.18 UG/M3 0.18 U EPD-WA-04-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.018 0.15 UG/M3 0.15 U EPD-WA-04-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.024 0.11 UG/M3 0.11 U EPD-WA-04-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.053 U 0.021 0.053 UG/M3 0.053 U EPD-WA-04-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.2 U 0.024 0.2 UG/M3 0.20 U EPD-WA-04-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.056 J 0.023 0.11 UG/M3 0.056 J EPD-WA-04-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.065 0.16 UG/M3 0.16 U EPD-WA-04-100823 TO-15 SIM 71-43-2 BENZENE 1 0.044 0.21 UG/M3 1.0 EPD-WA-04-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.47 0.034 0.17 UG/M3 0.47 EPD-WA-04-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.019 0.18 UG/M3 0.18 U EPD-WA-04-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.091 J 0.028 0.13 UG/M3 0.091 J EPD-WA-04-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.76 J 0.023 1.4 UG/M3 0.76 J EPD-WA-04-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.028 0.11 UG/M3 0.11 U EPD-WA-04-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.12 0.018 0.12 UG/M3 0.12 EPD-WA-04-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.052 0.19 UG/M3 0.12 J EPD-WA-04-100823 TO-15 SIM 75-71-8 FREON 12 2.7 0.038 0.33 UG/M3 2.7 EPD-WA-04-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.35 0.028 0.23 UG/M3 0.35 EPD-WA-04-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.48 U 0.01 0.48 UG/M3 0.48 U EPD-WA-04-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.092 J 0.016 0.35 UG/M3 0.35 U EPD-WA-04-100823 TO-15 SIM 95-47-6 O-XYLENE 0.15 0.024 0.12 UG/M3 0.15 EPD-WA-04-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.28 0.036 0.18 UG/M3 0.28 EPD-WA-04-100823 TO-15 SIM 108-88-3 TOLUENE 0.71 0.031 0.25 UG/M3 0.71 EPD-WA-04-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.53 U 0.026 0.53 UG/M3 0.53 U Page 10 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS_# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-04-100823 EPD-WA-04-100823 TO-15 SIM TO-15 SIM 79-01-6 75-01-4 TRICHLOROETHENE VINYL CHLORIDE 0.14 U 0.034 U 0.029 0.015 0.14 0.034 UG/M3 UG/M3 0.14 U 0.034 U EPD-WA-05-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.1 U 0.67 5.1 UG/M3 5.1 U EPD-WA-05-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.15 J 0.085 0.67 UG/M3 0.15 J EPD-WA-05-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.82 U 0.091 0.82 UG/M3 0.82 U EPD-WA-05-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.63 U 0.13 0.63 UG/M3 0.63 U EPD-WA-05-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.67 U 0.078 0.67 UG/M3 0.67 U EPD-WA-05-100823 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.044 0.3 UG/M3 0.30 U EPD-WA-05-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.82 U 0.15 0.82 UG/M3 0.82 U EPD-WA-05-100823 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.18 0.49 UG/M3 0.49 U EPD-WA-05-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.5 3.2 UG/M3 3.2 U EPD-WA-05-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2 U 0.48 2 UG/M3 2.0 U EPD-WA-05-100823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.4 2.8 UG/M3 2.8 U EPD-WA-05-100823 TO-15 67-63-0 2-PROPANOL 19 1.8 6.7 UG/M3 19 J EPD-WA-05-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.59 2.1 UG/M3 2.1 U EPD-WA-05-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.67 U 0.089 0.67 UG/M3 0.67 U EPD-WA-05-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.56 U 0.15 0.56 UG/M3 0.56 U EPD-WA-05-100823 TO-15 67-64-1 ACETONE 6.9 0.99 6.5 UG/M3 6.9 EPD-WA-05-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.71 U 0.084 0.71 UG/M3 0.71 U EPD-WA-05-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.92 U 0.14 0.92 UG/M3 0.92 U EPD-WA-05-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-05-100823 TO-15 74-83-9 BROMOMETHANE 27 U 0.7 27 UG/M3 27 U EPD-WA-05-100823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.44 2.1 UG/M3 2.1 U EPD-WA-05-100823 TO-15 108-90-7 CHLOROBENZENE 0.63 U 0.071 0.63 UG/M3 0.63 U EPD-WA-05-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.62 U 0.1 0.62 UG/M3 0.62 U EPD-WA-05-100823 TO-15 98-82-8 CUMENE 0.67 U 0.093 0.67 UG/M3 0.67 U EPD-WA-05-100823 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.37 2.4 UG/M3 2.4 U EPD-WA-05-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-05-100823 TO-15 64-17-5 ETHANOL 4.4 J 1.9 5.2 UG/M3 4.4 J EPD-WA-05-100823 TO-15 75-69-4 FREON 11 1.2 0.13 0.77 UG/M3 1.2 EPD-WA-05-100823 TO-15 76-13-1 FREON 113 0.47 J 0.17 1 UG/M3 0.47 J EPD-WA-05-100823 TO-15 142-82-5 HEPTANE 2.8 U 0.51 2.8 UG/M3 2.8 U EPD-WA-05-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.3 u 1.1 7.3 UG/M3 7.3 U EPD-WA-05-100823 TO-15 110-54-3 HEXANE 0.31 J 0.22 2.4 UG/M3 0.31 J EPD-WA-05-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.41 J 0.39 0.95 UG/M3 0.41 J EPD-WA-05-100823 TO-15 103-65-1 PROPYLBENZENE 0.67 u 0.096 0.67 UG/M3 0.67 U EPD-WA-05-100823 TO-15 100-42-5 STYRENE 0.58 u 0.048 0.58 UG/M3 0.58 U EPD-WA-05-100823 TO-15 109-99-9 TETRAHYDROFURAN 2 u 0.45 2 UG/M3 2.0 U EPD-WA-05-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.62 u 0.1 0.62 UG/M3 0.62 U Page 11 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-05-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-05-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-05-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.032 0.15 UG/M3 0.15 U EPD-WA-05-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.031 0.19 UG/M3 0.19 U EPD-WA-05-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.018 0.15 UG/M3 0.15 U EPD-WA-05-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.025 0.11 UG/M3 0.11 U EPD-WA-05-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.021 0.054 UG/M3 0.054 U EPD-WA-05-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.025 0.21 UG/M3 0.21 U EPD-WA-05-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.054 J 0.024 0.11 UG/M3 0.054 J EPD-WA-05-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.067 0.16 UG/M3 0.16 U EPD-WA-05-100823 TO-15 SIM 71-43-2 BENZENE 0.75 0.045 0.22 UG/M3 0.75 EPD-WA-05-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.45 0.035 0.17 UG/M3 0.45 EPD-WA-05-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.019 0.18 UG/M3 0.18 U EPD-WA-05-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.094 J 0.029 0.13 UG/M3 0.094 J EPD-WA-05-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.86 J 0.023 1.4 UG/M3 0.86 J EPD-WA-05-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.029 0.11 UG/M3 0.11 U EPD-WA-05-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.1 J 0.018 0.12 UG/M3 0.10 J EPD-WA-05-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.053 0.19 UG/M3 0.12 J EPD-WA-05-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.039 0.34 UG/M3 2.6 EPD-WA-05-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.31 0.029 0.24 UG/M3 0.31 EPD-WA-05-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.49 U 0.01 0.49 UG/M3 0.49 U EPD-WA-05-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.11 J 0.017 0.36 UG/M3 0.36 U EPD-WA-05-100823 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.024 0.12 UG/M3 0.13 EPD-WA-05-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.18 U 0.036 0.18 UG/M3 0.18 U EPD-WA-05-100823 TO-15 SIM 108-88-3 TOLUENE 0.73 0.032 0.26 UG/M3 0.73 EPD-WA-05-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.031 J 0.026 0.54 UG/M3 0.031 J EPD-WA-05-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.03 0.15 UG/M3 0.15 U EPD-WA-05-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.035 U 0.015 0.035 UG/M3 0.035 U EPD-WA-06-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5.2 U 0.68 5.2 UG/M3 5.2 U EPD-WA-06-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.094 J 0.087 0.68 UG/M3 0.094 J EPD-WA-06-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.84 U 0.092 0.84 UG/M3 0.84 U EPD-WA-06-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.64 U 0.13 0.64 UG/M3 0.64 U EPD-WA-06-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.68 U 0.079 0.68 UG/M3 0.68 U EPD-WA-06-100823 TO-15 106-99-0 1,3-BUTADIENE 0.31 U 0.044 0.31 UG/M3 0.31 U EPD-WA-06-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.84 U 0.15 0.84 UG/M3 0.84 U EPD-WA-06-100823 TO-15 123-91-1 1,4-DIOXANE 0.5 U 0.18 0.5 UG/M3 0.50 U EPD-WA-06-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.51 3.2 UG/M3 3.2 U EPD-WA-06-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2 U 0.49 2 UG/M3 2.0 U EPD-WA-06-100823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.4 2.8 UG/M3 2.8 u Page 12 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100823 TO-15 67-63-0 2-PROPANOL 6.8 U 1.8 6.8 UG/M3 6.8 U EPD-WA-06-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.2 U 0.6 2.2 UG/M3 2.2 U EPD-WA-06-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.68 U 0.09 0.68 UG/M3 0.68 U EPD-WA-06-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.57 U 0.15 0.57 UG/M3 0.57 U EPD-WA-06-100823 TO-15 67-64-1 ACETONE 3.7 J 1 6.6 UG/M3 3.7 J EPD-WA-06-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.72 U 0.085 0.72 UG/M3 0.72 U EPD-WA-06-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.93 U 0.14 0.93 UG/M3 0.93 U EPD-WA-06-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.19 1.4 UG/M3 1.4 U EPD-WA-06-100823 TO-15 74-83-9 BROMOMETHANE 27 U 0.71 27 UG/M3 27 U EPD-WA-06-100823 TO-15 75-15-0 CARBON DISULFIDE 2.2 U 0.44 2.2 UG/M3 2.2 U EPD-WA-06-100823 TO-15 108-90-7 CHLOROBENZENE 0.64 U 0.072 0.64 UG/M3 0.64 U EPD-WA-06-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.63 U 0.1 0.63 UG/M3 0.63 U EPD-WA-06-100823 TO-15 98-82-8 CUMENE 0.68 U 0.094 0.68 UG/M3 0.68 U EPD-WA-06-100823 TO-15 110-82-7 CYCLOHEXANE 2.4 U 0.38 2.4 UG/M3 2.4 U EPD-WA-06-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.13 1.2 UG/M3 1.2 U EPD-WA-06-100823 TO-15 64-17-5 ETHANOL 3.5 J 1.9 5.2 UG/M3 3.5 J EPD-WA-06-100823 TO-15 75-69-4 FREON 11 1.3 0.13 0.78 UG/M3 1.3 EPD-WA-06-100823 TO-15 76-13-1 FREON 113 0.49 J 0.18 1.1 UG/M3 0.49 J EPD-WA-06-100823 TO-15 142-82-5 HEPTANE 2.8 U 0.52 2.8 UG/M3 2.8 U EPD-WA-06-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.4 U 1.1 7.4 UG/M3 7.4 U EPD-WA-06-100823 TO-15 110-54-3 HEXANE 2.4 U 0.22 2.4 UG/M3 2.4 U EPD-WA-06-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.96 U 0.4 0.96 UG/M3 0.96 U EPD-WA-06-100823 TO-15 103-65-1 PROPYLBENZENE 0.68 U 0.098 0.68 UG/M3 0.68 U EPD-WA-06-100823 TO-15 100-42-5 STYRENE 0.59 U 0.049 0.59 UG/M3 0.59 U EPD-WA-06-100823 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.46 2 UG/M3 2.0 U EPD-WA-06-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.63 U 0.1 0.63 UG/M3 0.63 U EPD-WA-06-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-06-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-06-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.032 0.15 UG/M3 0.15 U EPD-WA-06-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.19 U 0.031 0.19 UG/M3 0.19 U EPD-WA-06-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.019 0.15 UG/M3 0.15 U EPD-WA-06-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 u 0.025 0.11 UG/M3 0.11 U EPD-WA-06-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.055 u 0.021 0.055 UG/M3 0.055 U EPD-WA-06-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 u 0.025 0.21 UG/M3 0.21 U EPD-WA-06-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.055 J 0.024 0.11 UG/M3 0.055 J EPD-WA-06-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.17 u 0.068 0.17 UG/M3 0.17 U EPD-WA-06-100823 TO-15 SIM 71-43-2 BENZENE 0.65 0.046 0.22 UG/M3 0.65 EPD-WA-06-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.036 0.17 UG/M3 0.46 EPD-WA-06-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.034 J 0.02 0.18 UG/M3 0.034 J Page 13 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-06-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.085 J 0.029 0.14 UG/M3 0.085 J EPD-WA-06-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.87 J 0.024 1.4 UG/M3 0.87 J EPD-WA-06-100823 TO-15 SIM 156-59-2 CIS-l,2-DICHLOROETHENE 0.11 U 0.03 0.11 UG/M3 0.11 U EPD-WA-06-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.048 J 0.019 0.12 UG/M3 0.048 J EPD-WA-06-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.054 0.19 UG/M3 0.12 J EPD-WA-06-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.039 0.34 UG/M3 2.6 EPD-WA-06-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.12 J 0.029 0.24 UG/M3 0.24 U EPD-WA-06-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.5 U 0.011 0.5 UG/M3 0.50 U EPD-WA-06-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.079 J 0.017 0.36 UG/M3 0.36 U EPD-WA-06-100823 TO-15 SIM 95-47-6 O-XYLENE 0.059 J 0.024 0.12 UG/M3 0.059 J EPD-WA-06-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.19 U 0.037 0.19 UG/M3 0.19 U EPD-WA-06-100823 TO-15 SIM 108-88-3 TOLUENE 0.35 0.032 0.26 UG/M3 0.35 EPD-WA-06-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.55 U 0.026 0.55 UG/M3 0.55 U EPD-WA-06-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.15 U 0.03 0.15 UG/M3 0.15 U EPD-WA-06-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.036 U 0.015 0.036 UG/M3 0.036 U EPD-WA-55-100823 TO-15 120-82-1 1,2,4-TRICHLOROBENZENE 5 U 0.66 5 UG/M3 5.0 U EPD-WA-55-100823 TO-15 95-63-6 1,2,4-TRIMETHYLBENZENE 0.14 J 0.084 0.66 UG/M3 0.14 J EPD-WA-55-100823 TO-15 95-50-1 1,2-DICHLOROBENZENE 0.81 U 0.09 0.81 UG/M3 0.81 U EPD-WA-55-100823 TO-15 78-87-5 1,2-DICHLOROPROPANE 0.62 U 0.12 0.62 UG/M3 0.62 U EPD-WA-55-100823 TO-15 108-67-8 1,3,5-TRIMETHYLBENZENE 0.66 U 0.076 0.66 UG/M3 0.66 U EPD-WA-55-100823 TO-15 106-99-0 1,3-BUTADIENE 0.3 U 0.043 0.3 UG/M3 0.30 U EPD-WA-55-100823 TO-15 541-73-1 1,3-DICHLOROBENZENE 0.81 U 0.15 0.81 UG/M3 0.81 U EPD-WA-55-100823 TO-15 123-91-1 1,4-DIOXANE 0.49 U 0.18 0.49 UG/M3 0.49 U EPD-WA-55-100823 TO-15 540-84-1 2,2,4-TRIMETHYLPENTANE 3.2 U 0.5 3.2 UG/M3 3.2 U EPD-WA-55-100823 TO-15 78-93-3 2-BUTANONE (METHYL ETHYL KETONE) 2 U 0.48 2 UG/M3 2.0 U EPD-WA-55-100823 TO-15 591-78-6 2-HEXANONE 2.8 U 0.39 2.8 UG/M3 2.8 U EPD-WA-55-100823 TO-15 67-63-0 2-PROPANOL 2.1 J 1.8 6.6 UG/M3 2.1 J EPD-WA-55-100823 TO-15 107-05-1 3-CHLOROPROPENE 2.1 U 0.58 2.1 UG/M3 2.1 U EPD-WA-55-100823 TO-15 622-96-8 4-ETHYLTOLUENE 0.66 U 0.088 0.66 UG/M3 0.66 U EPD-WA-55-100823 TO-15 108-10-1 4-METHYL-2-PENTANONE 0.55 U 0.15 0.55 UG/M3 0.55 U EPD-WA-55-100823 TO-15 67-64-1 ACETONE 6.2 J 0.97 6.4 UG/M3 6.2 J EPD-WA-55-100823 TO-15 100-44-7 ALPHA-CHLOROTOLUENE 0.7 U 0.083 0.7 UG/M3 0.70 U EPD-WA-55-100823 TO-15 75-27-4 BROMODICHLOROM ETHANE 0.9 U 0.13 0.9 UG/M3 0.90 U EPD-WA-55-100823 TO-15 75-25-2 BROMOFORM 1.4 U 0.18 1.4 UG/M3 1.4 U EPD-WA-55-100823 TO-15 74-83-9 BROMOMETHANE 26 U 0.69 26 UG/M3 26 U EPD-WA-55-100823 TO-15 75-15-0 CARBON DISULFIDE 2.1 U 0.43 2.1 UG/M3 2.1 u EPD-WA-55-100823 TO-15 108-90-7 CHLOROBENZENE 0.62 U 0.07 0.62 UG/M3 0.62 u EPD-WA-55-100823 TO-15 10061-01-5 CIS-l,3-DICHLOROPROPENE 0.61 U 0.1 0.61 UG/M3 0.61 u EPD-WA-55-100823 TO-15 98-82-8 CUMENE 0.66 U 0.091 0.66 UG/M3 0.66 u Page 14 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS _# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-55-100823 TO-15 110-82-7 CYCLOHEXANE 2.3 U 0.36 2.3 UG/M3 2.3 U EPD-WA-55-100823 TO-15 124-48-1 DIBROMOCHLOROMETHANE 1.2 U 0.12 1.2 UG/M3 1.2 U EPD-WA-55-100823 TO-15 64-17-5 ETHANOL 3.9 J 1.8 5.1 UG/M3 3.9 J EPD-WA-55-100823 TO-15 75-69-4 FREON 11 1.2 0.13 0.76 UG/M3 1.2 EPD-WA-55-100823 TO-15 76-13-1 FREON 113 0.52 J 0.17 1 UG/M3 0.52 J EPD-WA-55-100823 TO-15 142-82-5 HEPTANE 2.8 U 0.5 2.8 UG/M3 2.8 U EPD-WA-55-100823 TO-15 87-68-3 HEXACHLOROBUTADIENE 7.2 U 1.1 7.2 UG/M3 7.2 U EPD-WA-55-100823 TO-15 110-54-3 HEXANE 0.3 J 0.22 2.4 UG/M3 0.30 J EPD-WA-55-100823 TO-15 75-09-2 METHYLENE CHLORIDE 0.39 J 0.38 0.94 UG/M3 0.39 J EPD-WA-55-100823 TO-15 103-65-1 PROPYLBENZENE 0.66 U 0.095 0.66 UG/M3 0.66 U EPD-WA-55-100823 TO-15 100-42-5 STYRENE 0.58 U 0.048 0.58 UG/M3 0.58 U EPD-WA-55-100823 TO-15 109-99-9 TETRAHYDROFURAN 2 U 0.44 2 UG/M3 2.0 U EPD-WA-55-100823 TO-15 10061-02-6 TRANS-l,3-DICHLOROPROPENE 0.61 U 0.098 0.61 UG/M3 0.61 U EPD-WA-55-100823 TO-15 104-76-7 2-ETHYL-l-HEXANOL 0 U PPBV 0 U,NF EPD-WA-55-100823 TO-15 141-32-2 BUTYL ACRYLATE (2-PROPENOIC ACID ,BUTYL ESTER) 0 U PPBV 0 U,NF EPD-WA-55-100823 TO-15 SIM 71-55-6 1,1,1-TRICHLOROETHANE 0.15 U 0.031 0.15 UG/M3 0.15 U EPD-WA-55-100823 TO-15 SIM 79-34-5 1,1,2,2-TETRACH LOROETH AN E 0.18 U 0.03 0.18 UG/M3 0.18 U EPD-WA-55-100823 TO-15 SIM 79-00-5 1,1,2-TRICHLOROETHANE 0.15 U 0.018 0.15 UG/M3 0.15 U EPD-WA-55-100823 TO-15 SIM 75-34-3 1,1-DICHLOROETHANE 0.11 U 0.025 0.11 UG/M3 0.11 U EPD-WA-55-100823 TO-15 SIM 75-35-4 1,1-DICHLOROETHENE 0.054 U 0.021 0.054 UG/M3 0.054 U EPD-WA-55-100823 TO-15 SIM 106-93-4 1,2-DIBROMOETHANE (EDB) 0.21 U 0.024 0.21 UG/M3 0.21 U EPD-WA-55-100823 TO-15 SIM 107-06-2 1,2-DICHLOROETHANE 0.054 J 0.024 0.11 UG/M3 0.054 J EPD-WA-55-100823 TO-15 SIM 106-46-7 1,4-DICHLOROBENZENE 0.16 U 0.066 0.16 UG/M3 0.16 U EPD-WA-55-100823 TO-15 SIM 71-43-2 BENZENE 0.72 0.044 0.22 UG/M3 0.72 EPD-WA-55-100823 TO-15 SIM 56-23-5 CARBON TETRACHLORIDE 0.46 0.035 0.17 UG/M3 0.46 EPD-WA-55-100823 TO-15 SIM 75-00-3 CHLOROETHANE 0.18 U 0.019 0.18 UG/M3 0.18 U EPD-WA-55-100823 TO-15 SIM 67-66-3 CHLOROFORM 0.09 J 0.028 0.13 UG/M3 0.090 J EPD-WA-55-100823 TO-15 SIM 74-87-3 CHLOROMETHANE 0.86 J 0.023 1.4 UG/M3 0.86 J EPD-WA-55-100823 TO-15 SIM 156-59-2 CIS-1,2-DICHLOROETH EN E 0.11 U 0.029 0.11 UG/M3 0.11 U EPD-WA-55-100823 TO-15 SIM 100-41-4 ETHYL BENZENE 0.1 J 0.018 0.12 UG/M3 0.10 J EPD-WA-55-100823 TO-15 SIM 76-14-2 FREON 114 0.12 J 0.052 0.19 UG/M3 0.12 J EPD-WA-55-100823 TO-15 SIM 75-71-8 FREON 12 2.6 0.038 0.33 UG/M3 2.6 EPD-WA-55-100823 TO-15 SIM 179601-23-1 M,P-XYLENE 0.32 0.029 0.23 UG/M3 0.32 EPD-WA-55-100823 TO-15 SIM 1634-04-4 METHYL TERT-BUTYL ETHER 0.011 J 0.01 0.49 UG/M3 0.011 J EPD-WA-55-100823 TO-15 SIM 91-20-3 NAPHTHALENE 0.085 J 0.017 0.35 UG/M3 0.35 U EPD-WA-55-100823 TO-15 SIM 95-47-6 O-XYLENE 0.13 0.024 0.12 UG/M3 0.13 EPD-WA-55-100823 TO-15 SIM 127-18-4 TETRACHLOROETHENE 0.18 U 0.036 0.18 UG/M3 0.18 U EPD-WA-55-100823 TO-15 SIM 108-88-3 TOLUENE 0.76 0.031 0.25 UG/M3 0.76 EPD-WA-55-100823 TO-15 SIM 156-60-5 TRANS-l,2-DICHLOROETHENE 0.035 J 0.026 0.54 UG/M3 0.035 J Page 15 of 16 ------- E PALESTINE SITE ER - AIR ANALYTICAL RESULTS SUMMARY EUROFINS AIR TOXICS, LLC REPORT NO. 2310159 SampJD Method CAS_# Analyte Lab_Result Lab_Qual MDL RL Units VAL_Result VAL_Qual EPD-WA-55-100823 TO-15 SIM 79-01-6 TRICHLOROETHENE 0.14 U 0.03 0.14 UG/M3 0.14 U EPD-WA-55-100823 TO-15 SIM 75-01-4 VINYL CHLORIDE 0.034 U 0.015 0.034 UG/M3 0.034 U Page 16 of 16 ------- |