Carter Carburetor Weekly Air Monitoring & Sampling Report December 07, 2015 - December 13, 2015 Carter Carburetor Daily Weather Conditions Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 Temperature (range)1 50-38 63-39 61-45 70-41 63-34 72-53 68-58 Wind Speed (peak & average)2 18.1/4.9 21.9/9.2 18.1/7.2 28.0/7.8 21.0/6.0 23.0/8.7 42.9/14.8 Wind Direction (predominant) SE SE W S S S W Precipitation (total)3 0.00 0.00 0.00 0.00 0.00 0.00 0.74 Carter Carburetor Daily Work Activities Site Activity Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 Collecting scrap metal and rebar X X X X X Demolition of CBI building X X X X X Die cast area excavation X X X X Die cast area materials hauled off site X X X X Metal billboard frame removed from the top of Carter Carburetor builder X Processing building rubble X X X X X Daily Air Monitoring and Sampling Results Air Monitoring / Sampling Results - Station 1 LINC127 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 46.0 23.5 19.6 13.9 42.7 26.0 17.4 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Comments Laboratory samples collected Tuesday, 12/08/2015, and Thursday, 12/ldjH|||l||[|| 1 II 1 MINI IIII 30285584 ------- Carter Carburetor Weekly Air Monitoring & Sampling Report December 07, 2015 - December 13, 2015 Air Monitoring / Sampling Results - Station 2 LINC126 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 36.9 16.1 11.3 8.8 39.4 24.8 13.8 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) 0.180 0.571 Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Comments Laboratory samples collected Tuesday, 12/08/2015, and Thursday, 12/10/2015. Air Monitoring / Sampling Results - Station 3 LINC 123 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 43.7 22.6 14.7 16.6 54.7 33.8 19.1 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) 0.145 0.0326 Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Comments Laboratory samples collected Tuesday, 12/08/2015, and Thursday, 12/10/2015. ------- Carter Carburetor Weekly Air Monitoring & Sampling Report December 07, 2015 - December 13, 2015 Air Monitoring / Sampling Results - Station 4 LINC128 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 29.1 12.1 7.5 4.7 37.9 20.2 8.9 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Comments Laboratory samples collected Tuesday, 12/08/2015, and Thursday, 12/10/2015. Air Monitoring / Sampling Results - Station 5 LINC 133 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 12/07/2015 Tuesday 12/08/2015 Wednesday 12/09/2015 Thursday 12/10/2015 Friday 12/11/2015 Saturday 12/12/2015 Sunday 12/13/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 55.8 28.7 19.3 18.2 76.2 46.5 28.2 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) 0.160 0.566 Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND ND Comments Laboratory samples collected Tuesday, 12/08/2015, and Thursday, 12/10/2015. Legend: No shading - indicates TWA readings less than the applicable standard/action level Yellow shading - indicates a 1-hour TWA exceeded the applicable standard/action level, but the 24-hour TWA was below the standard/action level; initiate investigation Red shading - indicates the 24-hour TWA exceeded the applicable standard/action level; initiate corrective action Blue shading - indicates no data are available Aroclor - Monsanto mixture of polychlorinated biphenyl (PCB) congeners NAAQS - National Ambient Air Quality Standard ND - Not detected PCB-Polychlorinated biphenyl PMio - Particulate matter less than 10 microns in size TWA - Time-weighted average (average of data collected from 12:00 AM to 12:00 AM) iag/m3 - Micrograms per cubic meter temperature reported in degrees Fahrenheit 2Wind speed reported in miles per hour 3 Precipitation reported in inches ------- Carter Carburetor Weekly Air Monitoring & Sampling Report December 07, 2015 - December 13, 2015 St. Louis City ir Station 5 Air Station 2 Weather Station m Hi Air Station 1 Legend ® Air station location Weatherstation ^ location Missouri Station Site Locator Station o Site Boundary| ------- |