Assay Technology

ANSI Sampler Evaluation (ANSI 104-1998)

Part I - Summary of Tests for Vinyl Chloride, Vinylidine Chloride and 1,2-Dichloroethane

Sampler Description
Polypropylene sampling grid with multiple, parallel 1 mm sampling ports
200 mg charcoal wafer encased in polyester tray and sampler cap.

Analytes and Levels Evaluated
Levels (ppm) CAS Number Analyte
0.1 - 2.0 75-01-4 Vinyl chloride
1 - 20 75-35-4 Vinylidine chloride
1 - 20 107-06-2 1,2-Dichloroethane

Recommended Conditions & Sampling Times

Conditions Minimum                         Maximum Units
Temperature 10                                          30 °C
Humidity 15                                          75 % Relative Humidity
Sampling Time 0.25                                       10 Hour

Testing Organization
Assay Technology Inc, 1252 Quarry Lane, Pleasanton, CA  94566

Testing Performed By
NL Keder, PhD, FT Posey, MS, K Taylor, BS

Dates of Testing
September 1994, Jan - Feb 1999

 

Test Apparatus

 

Evaluation Summary

Methods described here are referenced to numbered documents which specify details of the methods. Statistical results of the tests are reported in the following sections.

Sections 1 - 4 of ANSI/SEI 104-1998 are as follows:

  1. Purpose, Practice, Rationale and Scope
  2. Determination of Standard Compliance
  3. References
  4. Definitions

 

De-Sorption Efficiency

 

Analyte Name

Amount Spiked

Amount Recovered

% DE

Date

(ug/ml)

(ug/ml)

VCM

2.34

2.00

85%

Nov-96

VCM

2.34

2.12

91%

Nov-96

VCM

2.34

2.06

88%

Nov-96

VCM

4.68

4.55

97%

Nov-96

VCM

4.68

4.25

91%

Nov-96

VCM

4.68

4.08

87%

Nov-96

VCM

19.8

17.0

86%

Feb-99

VCM

39.5

34.1

86%

Feb-99

VCM

59.3

53.5

90%

Feb-99

Grand Average

89%

1,1-DCE

24.3

23.0

95%

May-94

1,1-DCE

24.3

23.8

98%

May-94

1,1-DCE

24.3

23.8

98%

May-94

1,1-DCE

48.5

50.2

104%

May-94

1,1-DCE

48.5

51.3

106%

May-94

1,1-DCE

48.5

48.5

100%

May-94

1,1-DCE

117.6

115.2

98%

Feb-99

1,1-DCE

430.9

409.4

95%

Feb-99

1,1-DCE

808.4

792.2

98%

Feb-99

Grand Average

99%

EDC

2.74

2.67

98%

Oct-96

EDC

2.74

2.70

98%

Oct-96

EDC

2.74

2.65

97%

Oct-96

EDC

5.47

5.20

95%

Oct-96

EDC

5.47

5.25

96%

Oct-96

EDC

5.47

5.41

99%

Oct-96

EDC

10.94

10.70

98%

Oct-96

EDC

10.94

10.61

97%

Oct-96

EDC

10.94

10.78

99%

Oct-96

EDC

13.6

12.3

91%

Feb-99

EDC

29.5

26.6

90%

Feb-99

EDC

126

122

97%

Feb-99

EDC

621

604

97%

Feb-99

EDC

721

714

99%

Feb-99

EDC

1232

1153

94%

Feb-99

EDC

1229

1203

98%

Feb-99

EDC

30

26

87%

Feb-99

EDC

110

104

95%

Feb-99

EDC

268

256

96%

Feb-99

Grand Average

96%

 

Effects of Concentration and Time

RUN

ANALYTE

EXPOSURE

REF EXPOSURE

ANALYTE FOUND

UPTAKE RATE

NO.

CONCN

TIME

(Charcoal Tube)

in MONITOR

of MONITOR

(ppm)

(hr)

(ppm-hr)

(ug)

(ug)

%

(ml/min)

(Ref Method)

(ave)

(ave)

(+/-)(SD)

(+/-)(CV)

1

5.07

7.27

36.86

47.69

1.44

3%

8.32

2

1.25

9.08

11.35

13.83

0.46

3%

7.83

3

6.65

2.00

13.30

17.96

0.83

5%

8.68

4

2.09

4.00

8.41

10.68

0.31

3%

8.16

5

1.07

8.00

8.56

11.35

0.35

3%

8.52

6

1.09

4.00

4.38

6.14

0.57

9%

9.01

7

1.90

3.00

8.53

10.63

0.68

6%

8.01

8

0.38

8.08

3.07

3.82

0.11

3%

8.00

GRAND AVG Sampling Rate

8.32

 

Reverse Diffusion

 

EXPOSURE: 2ppm VCM (4hr)

EXPOSURE: 2ppm VCM (4 hr) 100% RH

EVALUATION

TEST RESULTS

% of

EVALUATION

TEST RESULTS

% OF

PARAMETERS

from MONITORS

Reference

PARAMETERS

from MONITORS

REFERENCE

2nd Exposure

Found

Ave

(%)

(%)

2nd Exposure

Found

Ave

(%)

(%)

at Conc = 0.0

(ug)

(ppm)

(+/-)(CV)

at Conc = 0.0

(ug)

(ppm)

(+/-)(CV)

AT 546 Monitor

AT 546 Monitor

50% of Monitors

2.69

-

-

50% of Monitors

2.49

-

-

Analyzed

2.56

-

-

Analyzed

2.46

-

-

Immediately

2.63

-

-

Immediately

2.54

-

-

0 min

-

2.6

2%

100%

0 min

-

2.5

2%

100%

50% of Monitors

2.32

-

-

50% of Monitors

2.02

-

-

also

Analyzed after Exp

2.14

-

-

Analyzed after Exp

2.08

-

-

100% RH

at 0.0 ppm for

2.25

-

-

at 0.0 ppm for

2.08

-

-

240 min

-

2.2

4%

85%

240 min

-

2.1

2%

83%

AT 541 Monitor

AT 541 Monitor

50% of Monitors

11.4

-

-

50% of Monitors

10.98

-

-

Analyzed

10.1

-

-

Analyzed

10.96

-

-

Immediately

10.4

-

-

Immediately

10.9

-

-

0 min

-

10.6

6%

100%

0 min

-

10.9

0%

100%

50% of Monitors

9.6

-

-

50% of Monitors

8.2

-

-

also

Analyzed after Exp

9.01

-

-

Analyzed after Exp

7.98

-

-

100% RH

at 0.0 ppm for

9.29

-

-

at 0.0 ppm for

8.12

-

-

240 min

-

9.3

3%

87%

240 min

-

8.1

1%

74%

3M 3500 Monitor

3M 3500 Monitor

50% of Monitors

39.8

-

-

50% of Monitors

39.2

-

-

Analyzed

40.8

-

-

Analyzed

39.2

-

-

Immediately

40.6

-

-

Immediately

39.7

-

-

0 min

-

40.4

1%

100%

0 min

-

39.4

1%

100%

50% of Monitors

31.4

-

-

50% of Monitors

27.9

-

-

also

Analyzed after Exp

30.5

-

-

Analyzed after Exp

27.6

-

-

100% RH

at 0.0 ppm for

32.8

-

-

at 0.0 ppm for

28

-

-

240 min

-

31.6

4%

78%

240 min

-

27.8

1%

71%

 

Reverse Diffusion - II

EXPOSURE: 1.5ppm VCM (2hr) +

EXPOSURE: 1.5ppm VCM (2hr) + 100% RH

15 ppm Vinylidene Chloride/15 ppm EDC

15 ppm Vinylidene Chloride/15 ppm EDC

EVALUATION

TEST RESULTS

% OF

EVALUATION

TEST RESULTS

% OF

PARAMETERS

from MONITORS

REFERENCE

PARAMETERS

from MONITORS

REFERENCE

2nd Exposure

Found

Ave

(%)

(%)

2nd Exposure

Found

Ave

(%)

(%)

at Conc = 0.0

(ug)

(ppm)

(+/-)(CV)

at Conc = 0.0

(ug)

(ppm)

(+/-)(CV)

AT 546 Monitor

AT 546 Monitor

50% of Monitors

1.55

-

-

50% of Monitors

1.23

-

-

Analyzed

1.54

-

-

Analyzed

1.19

-

-

Immediately

1.59

-

-

Immediately

-

-

0 min

-

1.6

2%

100%

0 min

-

1.2

2%

100%

50% of Monitors

1.49

-

-

50% of Monitors

1.13

-

-

Analyzed after Exp

1.45

-

-

Analyzed after Exp

1.13

-

-

at 0.0 ppm for

1.45

-

-

at 0.0 ppm for

-

-

140

-

1.5

2%

94%

140 min

-

1.1

0%

93%

AT 541 Monitor

AT 541 Monitor

50% of Monitors

6.77

-

-

50% of Monitors

5.29

-

-

Analyzed

6.81

-

-

Analyzed

5.21

-

-

Immediately

6.74

7

0

100%

Immediately

-

-

0 min

-

0 min

-

5.3

1%

100%

50% of Monitors

6.35

-

-

50% of Monitors

4.11

-

-

Analyzed after Exp

6.25

-

-

Analyzed after Exp

4.14

-

-

at 0.0 ppm for

5.84

6

0

at 0.0 ppm for

-

-

140

-

91%

140 min

-

4.1

1%

79%

3M 3500 Monitor

3M 3500 Monitor

50% of Monitors

-

-

50% of Monitors

20.1

-

-

Analyzed

-

-

Analyzed

19.9

-

-

Immediately

-

-

Immediately

-

-

0 min

-

No Test

0 min

-

20.0

1%

100%

50% of Monitors

-

-

50% of Monitors

12.9

-

-

Analyzed after Exp

-

-

Analyzed after Exp

13.4

-

-

at 0.0 ppm for

-

-

at 0.0 ppm for

-

-

140 min

-

No Test

140 min

-

13.2

3%

66%

 

Air Velocity & Orientation

 

EXPOSURE: 3 ppm ETGME for 2 hr

EXPOSURE: 3 ppm naphthalene for 2hr

EVALUATION

TEST RESULTS

% OF

EVALUATION

TEST RESULTS

% OF

PARAMETERS

from MONITORS

REFERENCE

PARAMETERS

from MONITORS

REFERENCE

Air Velocity

Values

Ave

(%)

(%)

Air Velocity

Values

Ave

(%)

(%)

and Orientation

(ppm)

(ppm)

(+/-)(CV)

and Orientation

(ppm)

(ppm)

(+/-)(CV)

Air Velocity= 14 cm/sec parallel to Sampler Face

Air Velocity= 14 cm/sec parallel to Sampler Face

Reference Value (Sorbent tube) =

3.12

Reference Value (Sorbent tube) =

2.90

3.3

-

-

106%

14 cm/sec

3.4

-

-

109%

14 cm/sec

2.7

-

-

93%

air velocity

3.2

-

-

103%

air velocity

2.6

-

-

90%

parallel to

3

-

-

96%

parallel to

2.4

-

-

83%

Monitor face

2.9

-

-

93%

Monitor face

2.6

-

-

90%

2.7

-

-

87%

-

3.08

0.26

99%

-

2.58

0.13

89%

Air Velocity= 14 cm/sec perpendicular to Sampler Face

Air Velocity= 14 cm/sec perpendicular to Sampler Face

Reference Value (Sorbent tube) =

3.12

Reference Value (Sorbent tube) =

2.90

3.7

-

-

119%

2.9

-

-

100%

14 cm/sec

3.5

-

-

112%

14 cm/sec

2.7

-

-

93%

air velocity

3

-

-

96%

air velocity

2.4

-

-

83%

pependicular

3.8

-

-

122%

pependicular

3

-

-

103%

to Monitor face

3.6

-

-

115%

to Monitor face

2.8

-

-

97%

3.80

-

-

122%

3.00

-

-

103%

-

3.57

0.30

114%

-

2.80

0.23

97%

EXPOSURE: 14 ppm ETGME for 2 hr

EXPOSURE: 0.5 ppm naphthalene for 2hr

Air Velocity= 153 cm/sec parallel to Sampler Face

Air Velocity= 153 cm/sec parallel to Sampler Face

Reference Value (Sorbent tube) =

14.20

Reference Value (Sorbent tube) =

0.51

14.1

-

-

99%

0.51

-

-

100%

153 cm/sec

14.4

-

-

101%

153 cm/sec

0.5

-

-

98%

air velocity

15.5

-

-

109%

air velocity

0.52

-

-

102%

parallel

14.6

-

-

103%

parallel

0.53

-

-

104%

to Monitor face

16.1

-

-

113%

to Monitor face

0.54

-

-

106%

14.90

-

-

105%

0.52

-

-

102%

-

14.93

0.74

105%

-

0.52

0.01

102%

Air Velocity= 153 cm/sec parallel to Sampler Face

Air Velocity= 153 cm/sec parallel to Sampler Face

Reference Value (Sorbent tube) =

14.20

Reference Value (Sorbent tube) =

0.51

16.7

-

-

118%

0.54

-

-

106%

153 cm/sec

16.9

-

-

119%

153 cm/sec

0.55

-

-

108%

air velocity

16.2

-

-

114%

air velocity

0.56

-

-

110%

perpendicular

16

-

-

113%

perpendicular

0.56

-

-

110%

to Monitor face

15.6

-

-

110%

to Monitor face

0.55

-

-

108%