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%

16.7

-

-

118%

0.63

-

-

124%

-

16.35

0.50

115%

-

0.57

0.03

111%

 

Temperature and Humidity

 

EXPOSURE: 10 ppm EtGylDiMeEther for 2hr

EXPOSURE: 3 ppm MIBK for 2 hr

EVALUATION

TEST RESULTS

% of

EVALUATION

TEST RESULTS

% OF

PARAMETERS

from MONITORS

Reference

PARAMETERS

from MONITORS

REFERENCE

Temperature

Values

Ave

(%)

(%)

Temperature

Values

Ave

(%)

(%)

& Humidity

(ppm)

(ppm)

(+/-)(CV)

& Humidity

(ppm)

(ppm)

(+/-)(CV)

Temp =10oC, RH=15%

Temp =10oC, RH=10%

Reference Value(Sorbent tube) =

11.50

Reference Value =

3.31

11.2

-

-

97%

3.53

-

-

107%

T = 10oC

11.1

-

-

97%

T = 10oC

3.28

-

-

99%

11.9

-

-

103%

3.46

-

-

105%

RH = 15%

11.4

-

-

99%

RH = 10%

3.23

-

-

98%

11.9

-

-

103%

3.43

-

-

104%

11.4

-

-

99%

3.57

-

-

108%

-

11.48

2.99

100%

-

3.42

3.96

103%

Temp =40oC, RH=72%

Temp =40oC, RH >70%

Reference Value(Sorbent tube) =

11.10

Reference Value =

3.31

11.5

-

-

104%

3.33

-

-

101%

T = 40oC

11.6

-

-

105%

T = 40oC

3

-

-

91%

11.7

-

-

105%

3.33

-

-

101%

RH = 72%

11.3

-

-

102%

RH = >70%

2.94

-

-

89%

10.9

-

-

98%

3.18

-

-

96%

11.7

-

-

105%

3.08

-

-

93%

-

11.45

2.71

103%

-

3.14

5.21

95%

Temp =10oC, RH=74%

Temp =10oC, RH=74%

Reference Value(Sorbent tube) =

9.46

Reference Value =

3.01

9.26

-

-

98%

3.04

-

-

101%

T = 10oC

8.89

-

-

94%

T = 10oC

3.27

-

-

109%

9.02

-

-

95%

2.99

-

-

99%

RH = 74%

8.81

-

-

93%

RH = 50%

3.05

-

-

101%

8.90

-

-

94%

2.98

-

-

99%

9.31

-

-

98%

3.46

-

-

115%

-

9.03

2.30

95%

-

3.13

6.16

104%

 

Storage after Sampling

 

Room Temperature (20-25oC)

Days of Storage =

0.00

4.01

7.01

14.01

VCM Found (ug)

5.75

6.16

6.48

6.20

Std Deviation = +/-

0.22

0.21

0.10

0.17

Co-Eff Variation = +/-

4%

3%

2%

3%

VCM % Recovery

100%

107%

113%

108%

EDC Found (ug)

13.87

14.05

14.51

14.72

Std Deviation = +/-

0.18

0.42

0.93

0.46

Co-Eff Variation = +/-

1%

3%

6%

3%

EDC % Recovery

100%

101%

105%

106%

 

Storage Stability

 

 

Refrigeration (2-8oC)

Days of Storage =

0.00

7.00

14.00

28.00

VCM Found (ug)

7.64

7.75

7.47

7.43

7.67

8.20

VCM % Recovery

1.00

1.04

0.98

0.97

 

Storage Stability

 

Sampler Integrity

 

Interferences

 

CAS

CHEMICAL NAME

GROUP

CAS

CHEMICAL NAME

GROUP

141-79-7

Mesityl oxide

OV-A

67-64-1

Acetone

OV-A

109-86-4

Methoxyethanol (Me Cellosolve)

OV-A

75-05-8

Acetonitrile

OV-A

110-49-6

Methoxyethyl acetate(MeCSAc)

OV-A

107-13-1

Acrylonitrile

OV-A

96-33-3

Methyl acrylate

OV-A

107-18-6

Allyl Alcohol

OV-A

67-56-1

Methyl alcohol (methanol)

OV-A

107-5-1

Allyl Chloride

OV-A

71-55-6

Methyl chloroform (1,1,1-TCA)

OV-A

628-63-7

Amyl acetate

OV-A

108-87-2

Methyl cyclohexane

OV-A

71-43-2

Benzene

OV-A

78-93-3

Methyl ethyl ketone(2-butanone)

OV-A

106-99-0

Butadiene

OV-A

107-31-3

Methyl formate

OV-A

71-36-3

Butanol

OV-A

110-12-3

Methyl isoamyl ketone

OV-A

75-65-0

Butanol

OV-A

108-11-2

Methyl isobutyl carbinol

OV-A

78-92-2

Butanol (sec-butyl alcohol)

OV-A

108-10-1

Methyl isobutyl ketone (hexone)

OV-A

111-76-2

Butoxyethanol(ButylCellosolve)

OV-A

80-62-6

Methyl methacrylate

OV-A

123-86-4

Butyl acetate

OV-A

107-87-9

Methyl propyl ketone (2-pentanone)

OV-A

540-88-5

Butyl acetate

OV-A

109-87-5

Methylal (dimethoxymethane)

OV-A

141-32-2

Butyl acrylate

OV-A

108-87-2

Methylcyclohexane

OV-A

1634-04-4

Butyl methyl ether (MTBE)

OV-A

75-09-2

Methylene chloride

OV-A

56-23-5

Carbon tetrachloride

OV-A

91-20-3

Naphthalene

OV-A

108-90-7

Chlorobenzene

OV-A

111-84-2

Nonane

OV-A

74-97-5

Chlorobromomethane

OV-A

111-65-9

Octane

OV-A

67-66-3

Chloroform

OV-A

109-66-0

Pentane

OV-A

126-99-8

Chloroprene

OV-A

127-18-4

Perchloroethylene (PCE)

OV-A

98-82-8

Cumene

OV-A

108-65-6

Prop. Glyc. methyl ether acetate

OV-A

110-82-7

Cyclohexane

OV-A

109-60-4

Propyl acetate

OV-A

108-93-0

Cyclohexanol

OV-A

71-23-8

Propyl alcohol

OV-A

108-94-1

Cyclohexanone

OV-A

106-94-5

Propyl bromide

OV-A

123-42-2

Diacetone Alcohol

OV-A

78-87-5

Propylene dichloride

OV-A

1717-00-6

Dichloro-1-fluoroethane (HCFC141b)

OV-A

107-98-2

Propylene glycol methyl ether

OV-A

75-71-8

Dichlorodifluoromethane (CFC12)

OV-A

110-86-1

Pyridine

OV-A

75-34-3

Dichloroethane

OV-A

100-42-5

Styrene

OV-A

107-06-2

Dichloroethane (EDC)

OV-A

76-12-0

Tetrachloro-1,2-difluoroethane

OV-A

540-59-0

Dichloroethylene

OV-A

76-11-9

Tetrachloro-2,2-difluoroethane

OV-A

75-43-4

Dichlorofluoromethane (CFC21)

OV-A

109-99-9

Tetrahydrofuran(THF)

OV-A

76-14-2

Dichlorotetrafluoroethane (CFC114)

OV-A

108-88-3

Toluene

OV-A

68-12-2

Dimethyl formamide (DMF)

OV-A

79-00-5

Trichloroethane

OV-A

123-91-1

Dioxane

OV-A

71-55-6

Trichloroethane (methylchloroform)

OV-A

106-89-8

Epichlorohydrin

OV-A

79-01-6

Trichloroethylene (TCE)

OV-A

110-80-5

Ethoxyethanol(Cellosolve)

OV-A

76-13-1

Trichlorotrifluoroethane(CFC113)

OV-A

111-15-9

Ethoxyethyl acetate(EthylCell)

OV-A

108-67-8

Trimethylbenzene (mesitylene)

OV-A

141-78-6

Ethyl acetate

OV-A

108-05-4

Vinyl acetate

OV-A

140-88-5

Ethyl acrylate

OV-A

593-60-2

Vinyl bromide

OV-A

64-17-5

Ethyl alcohol (ethanol)

OV-A

75-01-4

Vinyl chloride

OV-A

60-29-7

Ethyl ether

OV-A

75-35-4

Vinylidene Chloride(1,1 DCE)

OV-A

687-47-8

Ethyl lactate

OV-A

1330-20-7

Xylenes

OV-A

100-41-4

Ethylbenzene

OV-A

107-07-3

Ethylene chlorohydrin

OV-A

100-44-7

Benzyl chloride

OV-B

106-93-4

Ethylene dibromide

OV-A

2426-08-6

Butyl(n)glycidyl ether

OV-B

110-71-4

Ethylene glycol dimethyl ether

OV-A

76-22-2

Camphor

OV-B

75-69-4

Fluorotrichloromethane (CFC11)

OV-A

2039-87-4

Chloro(o)styrene

OV-B

142-82-5

Heptane

OV-A

95-49-8

Chloro(o)toluene

OV-B

110-43-0

Heptanone(methyl amyl ketone)

OV-A

106-46-7

Dichlorobenzene

OV-B

110-54-3

Hexane

OV-A

95-50-1

Dichlorobenzene

OV-B

591-78-6

Hexanone(MBK)

OV-A

111-44-4

Dichloroethyl ether

OV-B

123-92-2

Isoamyl acetate

OV-A

77-73-6

Dicyclopentadiene

OV-B

123-51-3

Isoamyl alcohol

OV-A

108-83-8

Diisobutylketone

OV-B

110-19-0

Isobutyl acetate

OV-A

34590-94-8

Dipropylene Glycol Methyl Ether

OV-B

78-83-1

Isobutyl alcohol

OV-A

78-59-1

Isophorone

OV-B

108-21-4

Isopropyl acetate

OV-A

4016-14-2

Isopropyl glycidyl ether(IGE)

OV-B

67-63-0

Isopropyl alcohol

OV-A

98-83-9

Methyl Styrene

OV-B

108-20-3

Isopropyl ether

OV-A

101-84-8

Phenyl ether

OV-B

5989-27-5

Limonene (as dipentene)

OV-A

25013-15-4

Vinyl toluene (methyl styrene)

OV-B

 

Prepared by CR Manning, PhD

ã Assay Technology Inc