Carter Carburetor Weekly Air Monitoring & Sampling Report May 23, 2016 - May 29, 2016 Carter Carburetor Daily Weather Conditions Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 Temperature (range)1 85-57 87-68 84-65 82-67 79-69 86-68 88-66 Wind Speed (peak & average)2 23.0/5.8 23.9/7.6 25.1/9.8 48.1/9.4 32.0/11.6 25.9/11.6 19.9/4.5 Wind Direction (predominant) SE SW S NW SW S NW Precipitation (total)3 0 0 0.01 0.53 1.01 0 0 Carter Carburetor Daily Work Activities Site Activity Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 ACM abatement of pipes in conduit X CBI slab removal X X Hauling out contaminated soil and material X X Installation of new monitoring well X X X X Processing building rubble X X Scrap metal hauled off site 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 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Comments Laboratory sample collected Wednesday, 5/25/2016. Viper real-time air monitoring deployment down at all air stations Monday, 5/23/2016, through Sunday, 5/29/2016. i linn mil .mi mil mil mn nm |,M| ..n m 30286448 ------- Carter Carburetor Weekly Air Monitoring & Sampling Report May 23, 2016 - May 29, 2016 Air Monitoring / Sampling Results - Station 2 LINC126 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Comments Laboratory sample collected Wednesday, 5/25/2016. Viper real-time air monitoring deployment down at all air stations Monday, 5/23/2016, through Sunday, 5/29/2016. Air Monitoring / Sampling Results - Station 3 LINC 123 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) 0.0196 Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Comments Laboratory sample collected Wednesday, 5/25/2016. Viper real-time air monitoring deployment down at all air stations Monday, 5/23/2016, through Sunday, 5/29/2016. ------- Carter Carburetor Weekly Air Monitoring & Sampling Report May 23, 2016 - May 29, 2016 Air Monitoring / Sampling Results - Station 4 LINC128 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) 0.0829 Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Comments Laboratory sample collected Wednesday, 5/25/2016. Viper real-time air monitoring deployment down at all air stations Monday, 5/23/2016, through Sunday, 5/29/2016. Air Monitoring / Sampling Results - Station 5 LINC 133 Results reported in |ig/m3) Parameter Type of Analysis Standard / Action Level Monday 5/23/2016 Tuesday 5/24/2016 Wednesday 5/25/2016 Thursday 5/26/2016 Friday 5/27/2016 Saturday 5/28/2016 Sunday 5/29/2016 PMio (24-hour TWA) Real- time 150 ng/m3 (NAAQS) Aroclor -1242 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1248 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1254 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Aroclor -1260 (in air sample) Lab 30.7 Hg/m3 (EPA Region 7) ND Comments Laboratory sample collected Wednesday, 5/25/2016. Viper real-time air monitoring deployment down at all air stations Monday, 5/23/2016, through Sunday, 5/29/2016. 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 ACM - Asbestos Containing Material PMio - Particulate matter less than 10 microns in size Aroclor - Monsanto mixture of polychlorinated biphenyl (PCB) congeners TWA - Time-weighted average (average of data collected from 12:00 AM to 12:00 AM) NAAQS - National Ambient Air Quality Standard Hg/m3 - Micrograms per cubic meter ND - Not detected temperature reported in degrees Fahrenheit PCB - Polychlorinated biphenyl 2 wind sPeed reported in miles per hour 3 Precipitation reported in inches ------- Carter Carburetor Weekly Air Monitoring & Sampling Report May 23, 2016 - May 29, 2016 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| ------- |