Carter Carburetor Weekly Air Monitoring & Sampling Report
August 24, 2015 - August 30, 2015
Carter Carburetor Daily Weather Conditions

Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015
Temperature (range)1
83-58
81-58
80-59
81-60
85-64
76-70
80-78
Wind Speed (peak & average)2
8.9/2.9
11.2/2.9
8.9/3.2
8.9/2.6
8.9/2.7
4.5/2.2
8.9/3.2
Wind Direction (predominant)
SW
SW
NE
NE
SW
S
SW
Precipitation (total)3
0.00
0.00
0.00
0.00
0.00
Trace
0.00
Carter Carburetor Daily Work Activities
Site Activity
Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015
Preparation for excavation
X
X
X
X
X


Floor removal in CBI building

X
X
X
X


Wilco building demolition
X
X
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
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015
PMio
(24-hour TWA)
Real-
time
150 ng/m3
(NAAQS)
8.4
10.1
10.6
13.8
18.4
19.9
30.9
Aroclor -1242
(in air sample)
Lab
30.7 Hg/m3
(EPA Region 7)
ND

0.00746




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 Monday and Wednesday, 8/24/2015 and 8/26/2015.
30285580

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Carter Carburetor Weekly Air Monitoring & Sampling Report
August 24, 2015 - August 30, 2015


Air Monitoring / Sampling Results - Station 2 (Results reported in |ig/mB)

Parameter
Type of
Analysis
Standard /
Action Level
Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015
PMio
(24-hour TWA)
Real-
time
150 ng/m3
(NAAQS)
2.4
2.4
4.0
8.3
9.4
13.2
22.6
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)
0.00616

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 Monday and Wednesday, 8/24/2015 and 8/26/2015.




Air Monitoring / Sampling Results - Station 3 (Results reported in |ig/mB)

Parameter
Type of
Analysis
Standard /
Action Level
Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015
PMio
(24-hour TWA)
Real-
time
150 ng/m3
(NAAQS)
4.4
5.1
6.6
11.6
14.5
17.5
28.3
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 Monday and Wednesday, 8/24/2015 and 8/26/2015.




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Carter Carburetor Weekly Air Monitoring & Sampling Report
August 24, 2015 - August 30, 2015





Air Monitoring / Sampling Results - Station 4 (Results reported in |ig/mB)


Parameter
Type of
Analysis
Standard /
Action Level
Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015


PMio
(24-hour TWA)
Real-
time
150 ng/m3
(NAAQS)
2.0
2.0
5.5
7.6
9.3
13.0
19.9


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 Monday and Wednesday, 8/24/2015 and 8/26/2015.

















Air Monitoring / Sampling Results - Station 5 (Results reported in |ig/mB)


Parameter
Type of
Analysis
Standard /
Action Level
Monday
8/24/2015
Tuesday
8/25/2015
Wednesday
8/26/2015
Thursday
8/27/2015
Friday
8/28/2015
Saturday
8/29/2015
Sunday
8/30/2015


PMio
(24-hour TWA)
Real-
time
150 ng/m3
(NAAQS)
1.0
1.2
2.7
9.6
12.4
19.4
35.4


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 Monday and Wednesday, 8/24/2015 and 8/26/2015.

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
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)
Hg/m3 - Micrograms per cubic meter
1
2
3
Temperature reported in degrees Fahrenheit
Wind speed reported in miles per hour
Precipitation reported in inches





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Carter Carburetor Weekly Air Monitoring & Sampling Report
August 24, 2015 - August 30, 2015
St. Louis City
ir Station 5
Air Station 2
Weather Station
m Hi
Air Station 1
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