Carter Carburetor Weekly Air Monitoring & Sampling Report August 10, 2015 - August 16, 2015 Carter Carburetor Daily Weather Conditions Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 Temperature (range)1 90-74 85-72 87-67 92-68 93-74 94-72 94-73 Wind Speed (peak & average)2 8.9/3.2 13.4/4.4 8.9/3.5 6.7/2.4 6.7/1.7 6.7/1.9 8.9/2.5 Wind Direction (predominant) SW NE NE NE SW SW SW Precipitation (total)3 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Carter Carburetor Daily Work Activities Site Activity Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 Preparation for demolition and excavation X X X X X Floor removal in CBI X X X Daily Air Monitoring and Sampling Results Air Monitoring / Sampling Results - Station 1 (Results reported in |ig/mB) Parameter Type of Analysis Standard / Action Level Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 15.3 9.4 7.9 11.3 14.6 19.7 20.3 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Comments Laboratory samples were not collected this week, 8/10/2015 through 8/16/2015. 30285578 ------- Carter Carburetor Weekly Air Monitoring & Sampling Report August 10, 2015 - August 16, 2015 Air Monitoring / Sampling Results - Station 2 (Results reported in |ig/mB) Parameter Type of Analysis Standard / Action Level Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 11.1 6.4 5.7 8.1 11.5 14.4 14.0 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Comments Laboratory samples were not collected this week, 8/10/2015 through 8/16/2015. Air Monitoring / Sampling Results - Station 3 (Results reported in |ig/mB) Parameter Type of Analysis Standard / Action Level Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 14.2 9.2 8.3 11.5 15.7 20.4 20.3 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Comments Laboratory samples were not collected this week, 8/10/2015 through 8/16/2015. ------- Carter Carburetor Weekly Air Monitoring & Sampling Report August 10, 2015 - August 16, 2015 Air Monitoring / Sampling Results - Station 4 (Results reported in |ig/mB) Parameter Type of Analysis Standard / Action Level Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 9.9 4.6 3.5 6.2 9.6 14.3 13.7 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Comments Laboratory samples were not collected this week, 8/10/2015 through 8/16/2015. Air Monitoring / Sampling Results - Station 5 (Results reported in |ig/mB) Parameter Type of Analysis Standard / Action Level Monday 8/10/2015 Tuesday 8/11/2015 Wednesday 8/12/2015 Thursday 8/13/2015 Friday 8/14/2015 Saturday 8/15/2015 Sunday 8/16/2015 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) 13.9 6.2 4.7 8.7 14.2 22.2 21.8 Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) Comments Laboratory samples were not collected this week, 8/10/2015 through 8/16/2015. 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 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 1 Temperature reported in degrees Fahrenheit 2 3 Wind speed reported in miles per hour Precipitation reported in inches ------- Carter Carburetor Weekly Air Monitoring & Sampling Report August 10, 2015 - August 16, 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| ------- |