Table 1 Community Roving Air Monitoring Results Summary Table East Palestine Derailment Emergency Response East Palestine, Ohio Monitoring Period: 05/30/2023 08:07 to 05/30/2023 17:11 VOC (ppm) PM2 5 (mg/m3)1 PM10 (mg/m3)1 Location Date/Time Screening Levels 0.5 ppm 0.035 mg/m3 0.070 mg/m3 PCR-N-03 5/30/2023 8:13 0 0.027 0.03 5/30/2023 10:57 0 0.041 0.044 5/30/2023 16:03 0 0.025 0.029 PCR-N-04 5/30/2023 8:55 0 0.037 0.041 5/30/2023 11:41 0 0.041 0.045 5/30/2023 16:31 0 0.026 0.031 PCR-N-05 5/30/2023 9:05 0 0.063 0.074 5/30/2023 11:46 0 0.065 0.091 5/30/2023 16:36 0 0.036 0.053 PCR-N-06 5/30/2023 8:46 0 0.033 0.036 5/30/2023 11:34 0 0.039 0.044 5/30/2023 16:22 0 0.025 0.03 PCR-N-07 5/30/2023 8:22 0 0.026 0.029 5/30/2023 11:01 0 0.073 0.044 5/30/2023 16:06 0 0.027 0.033 PCR-N-08 5/30/2023 8:25 0 0.026 0.028 5/30/2023 11:20 0 0.044 0.049 5/30/2023 16:09 0 0.025 0.029 PCR-N-09 5/30/2023 8:30 0 0.027 0.03 5/30/2023 11:25 0 0.044 0.053 5/30/2023 16:13 0 0.023 0.027 PCR-N-10 5/30/2023 8:36 0 0.032 0.036 5/30/2023 11:30 0 0.041 0.043 5/30/2023 16:19 0 0.027 0.033 PCR-N-11 5/30/2023 9:14 0 0.037 0.039 5/30/2023 11:51 0 0.04 0.049 5/30/2023 16:42 0 0.028 0.034 PCR-N-12 5/30/2023 9:19 0 0.039 0.044 5/30/2023 11:56 0 0.035 0.038 5/30/2023 16:47 0 0.024 0.027 PCR-N-13 5/30/2023 8:49 0 0.04 0.048 5/30/2023 11:38 0 0.038 0.041 5/30/2023 16:27 0 0.026 0.031 PCR-S-01 5/30/2023 10:42 0 0.04 0.044 5/30/2023 14:43 0 0.03 0.043 PCR-S-04 5/30/2023 10:28 0 0.04 0.041 5/30/2023 14:39 0 0.026 0.029 We are in the process of ensuring this document is accessible to all audiences. If you need assistance accessing this document, or any materials on the EPA East Palestine, Ohio emergency response webpages, please contact the Region 5 Public Information Officer on-call r5_eastpalestine@epa.gov 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 ------- Table 1 Community Roving Air Monitoring Results Summary Table East Palestine Derailment Emergency Response East Palestine, Ohio Monitoring Period: 05/30/2023 08:07 to 05/30/2023 17:11 VOC (ppm) PM2 5 (mg/m3)1 PM10 (mg/m3)1 Location Date/Time Screening Levels 0.5 ppm 0.035 mg/m3 0.070 mg/m3 PCR-S-05 5/30/2023 10:18 0 0.042 0.047 5/30/2023 14:31 0 0.028 0.033 PCR-S-06 5/30/2023 10:11 0 0.041 0.044 5/30/2023 14:22 0 0.029 0.036 5/30/2023 17:11 0 0.025 0.028 PCR-S-07 5/30/2023 10:06 0 0.039 0.044 5/30/2023 14:15 0 0.027 0.031 PCR-S-08 5/30/2023 10:01 0 0.043 0.052 5/30/2023 14:09 0 0.031 0.037 5/30/2023 17:08 0 0.023 0.026 PCR-S-09 5/30/2023 10:23 0 0.041 0.047 5/30/2023 14:36 0 0.025 0.029 PCR-S-10 5/30/2023 8:07 0 0.028 0.032 PCR-S-15 5/30/2023 17:04 0 0.03 0.043 PCR-S-16 5/30/2023 9:55 0 0.04 0.044 5/30/2023 14:03 0 0.035 0.045 5/30/2023 16:55 0 0.035 0.054 Station 02 5/30/2023 8:45 0.037 0.04 5/30/2023 14:52 0.062 0.099 Station 03 5/30/2023 9:21 0.05 0.073 5/30/2023 14:20 0.026 0.04 Station 05 5/30/2023 9:48 0.047 0.052 Station 06 5/30/2023 9:36 0.053 0.057 5/30/2023 14:05 0.043 0.077 Station 07 5/30/2023 13:51 0.041 0.049 ------- Notes: Highlighted indicate detections above screening levels Grey cells indicate no measurement was collected for that specific parameter 1 - Site-Specific Public Health Screening Levels for particulate matter are based on 24-hour time-weighted * - the screening level is the instrument's limit of detection. 1 - A secondary instrument was used to evaluate CO and reported CO as non-detected. The elevated CO measurem CI - chlorine F2 - fluorine HC1 - hydrogen chloride HCN - hydrogen cyanide mg/m - milligrams per cubic meter PM2 5 - particles that are 2.5 micrometers and smaller PM10 - particles that are 10 micrometers and smaller ppm - parts per million TWA - time-weighted average VOC - volatile organic compounds ------- x Gould UN {Rpnd AfcCKif® Avo © XSf E Grant- »¦ ilM W Grant E M artist ffi Martin si w Clark St ,gflart Rd Park Ave State Gamelands No 285 Jimtown Legend O Roaming Air Monitoring Locations Derailment Location One Mile Radius East Palestine Derailment ER Site East Palestine, Columbiana County, OH 44413 Figure 1 Roaming Air Monitoring Community Locations TETRA TECH Prepared For: EPA Prepared By: TetraTech Inc. Reference Map Location Date Saved: 5/12/2023 ------- |