Document Oz3X3XjMBaYJXpEm7qyE0wXLQ
Lake Charles VCM Plant
CERTIFIED MAIL #7722133 RETURN RECEIPT REQUESTED
December 22, 1983
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Conoco Chemicals Company A Division of Conoco Inc. P.O. Box 605 Westlake. LA 70669
1318) 491-5211
Received
^ 2 7 '83
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Gus Von Bodungen Air Quality Division Dept, of Natural Resources P.O. Box 44066 Baton Rouge, LA 70804
X-F.
Dear Mr. Von Bodungen:
Attached please find the results of the Conoco VCM Plant incinerator stack and dock stack vinyl chloride certifications which are deemed equivalent to the annual emissions testing required by Section 77.8(a)(1) of the Louisiana Air Quality Regulations. These certifications were completed according to the guidelines developed by the Air Quality Division for vinyl chloride monitor certification issued September 13, 1983.
All performance specifications set in the certification guidelines were satisfactorily met by both stack monitors as shown in Tables 1 and 1A of the attached results. The daily zero and calibration data and drift cal culations are provided in Tables 2 and 2A. The two hour midrange/zero standard test data and drift calculations are shown in Tables 3 and 3A, and the response test data and calculations are provided in Tables 4 and 4A.
Enclosed with the incinerator certification results are the data recorder strip charts for the 96-hour conditioning period, the initial 96-hour opera ting period, and a 96-hour re-run of the operating period. The re-run of
the operating period includes only process data and was performed because maintenance was required on the gas chromatograph during the initial opera ting period. Full-range, mid-range, and zero standard gas tests are in cluded on the strip charts. The auto-zero and response tests are attached as charts 1 and 2. The full-range and mid-range standard gases used through out the entire incinerator certification were 9.94 ppm and 5.06 ppm vinyl chloride respectively.
Enclosed with the dock certification results are the data recorder strip charts for the 96-hour conditioning period and the 96-hour operating period. Full-range, mid-range, and zero standard gas tests are included on the strip charts. The auto-zero and response tests are attached as charts 1A and 2A. The full range and mid-range standard gases used throughout the entire dock certification were 9.92 ppm and 5.43 ppm vinyl chloride respectively.
Page 2
Four additional days of 24-hour full-range calibration data were taken from December 19-22, 1983 for both the incinerator and dock stack monitor certifications. This data was necessary to properly apply the statistical analysis required by the certification guidelines and is included in Tables 2 and 2A. As a result of successfully completing both the incinerator and dock stack monitor certification tests, we respectfully request that the vinyl chloride monitor equivalency be granted for both the incinerator vent stack and the dock vent stack. If you have any questions or require additional information please contact Ron Bryan, Chief Process Engineer, at (318} 491-5062. Sincerely,
R. A. Conrad Plant Manager Conoco VCM kf bcc: JWW-RB-DLD-SJR-MGH-ESW-JCL
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TABLE 1
PERFORMANCE SPECIFICATIONS AND-INCINERATOR STACK MONITOR
CERTIFICATION RESULTS
Certification completed on the VCM Plant incinerator stack monitor during the periods November 14-18, November 28-December 2, December 6-10, and December 19-22, 1983.
Parameter
Specification
Certification Result
1. Conditioning Period
96 hours
96 hours
2. Operational Test Period
96 hours
96 hours
3. Calibration Error
5% standard gas value
5% standard gas value
4. Response Time
10 minutes
60 seconds
5. Calibration Drift (2-hour)
0.5 ppm VCM
0.08 ppm VCM
6. Calibration Drift (24-hour) 7. Data Recorder Chart Resolution
1.0 ppm VCM --
0.76 ppm VCM 0.05 ppm VCM
8. Relative Accuracy (24-hour)
0.5 ppm VCM
0.72 opm VCM
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Da te
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Conditioning Period
11/14/83
1400
11/15/83
11/16/83
1400
11/17/33
1400
TABLE 2
DAILY ZERO AND CALIBRATION RECORD FOR INCINERATOR STACK MONITOR
Zero Reading
Zero Drift (A Zero)
Span Reading
0.0 9.94
.
0.0 0.0 9.94 0.0 0.0 9.65
Calibration Drift ( A Span)
0.00 -0.29
Operatinq Period
11/28/83
1400
11/29/83
1400
11/30/83 12/01/83
1430 1414
Additional Data
11/19/83
1000
12/20/83
1012
12/21/83
1500
12/22/83
1100
0.0 0.0 0.0 0.0
9.94 0.0 9.94 0.0 9.10 0.0 10+
9.94 9.94 9.40 11.00
0.00 -0.84 +0.90
Q.00 -Q.54 +1.60
Zero Drift = (Mean Zero Drift 0.0 + C.I.(Zero) 0.0) = 0.0. Calibration Drift = (Mean Span Drift 0.10 + C.I.(Span) 0,66) = 0.76.
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TABLE 3
Data Set No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time
Beqin
End
MIDRANGE/ZERO STANDARD TEST RECORD FOR INCINERATOR STACK MONITOR
Date
Zero Readim
Zero Drift (A Zero)
Span Readinq
Scan Drift (A Span)
Calibration Drift
(ASpan-AZero)
1445 0800 1030 1241 1400 0758 1006 1202 1430 0818 0958 1157 1435 0805 1005
1457 11/28/83
0815 11/29/83
1042 11/29/83
1251 11/29/83
1413 11/29/83
0807 11/30/83
1020 11/30/83
1215 1520 0833
11/30/83 11/30/83 12/01/83
1013 12/01/83
1207 12/01/83
1445 12/01/83
0820 12/02/83
1020 12/02/83
0.0 0.0 0.0 0.0 Q.O 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
.
0.0 0.0 0.0
. 0.0 0.0
. -0.1
0.0
0.0
5.05 4.95 5.10 5.10 5.05 5.05 5.00 4.95 5.30^
5.40 5.40 5.45 5.25^
5.06 5.00
+0.05 0.00
-0.05
-0.05 -0.05
Q.00 +0.05
-0.06
---- ---- +0.05 0.00 -0.05
-0.05 -0.05
-- __ -0.10 0.05 _ _ -0.06
Zero Drift = (Mean Zero Drift O.Ol + C.I.(Zero) 0.03) = 0.04. Calibration Drift = (Mean Span Drift Q.03 + C.I.(Span) 0.05) = 0.08.
(1) Made calibration adjustment on 9.94 ppm vinyl standard, therefore not comparable to previous run.
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TABLE 4 RESPONSE TEST FOR INCINERATOR STACK MONITOR Date of Test: 12-02-83 Span Gas Concentration: 9.94 ppm Response: A. Upscale 1. 1 cycle 2. 1 cycle 3. 1 cycle Average 1 cycle X cycle time: 60 sec/cycle = Average upscale response time: 60 sec. B. Downscale 1. 1 cycle 2. 1 cycle 3. 1 cycle Average 1 cycle X cycle time: 60 sec/cycle = Average Downscale response time: 60 sec.
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TABLE 1A
PERFORMANCE SPECIFICATIONS AND DOCK STAOTMONITOR CERTIFICATION RESULTS
Certification completed on the VCM Plant dock stack during the periods December 8-12, December 12-16, and December 19-22, 1983.
Parameter
Specification
Certification Result
1. Conditioning Period
96 hours
96 hours
2. Operational Test Period
*96 hours
9.6 hours
3. Calibration Error
5% Standard gas value
5% Standard gas value
4. Response Time
SIO minutes
160 seconds
5. Calibration Drift (2-hour)
^0.5 ppm VCM
0.37 opm VCM
6. Calibration Drift (24-hour)
*1.0 ppm VCM
0.95 ppm VCM
7. Data Recorder Chart Resolution
0.05 npm VCM
8. Relative Accuracy (24-hour)
^0.5 ppm VCM
0.84 ppm VCM
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Date
Tine
Conditioning Period
I2/Q8/33
1400
12/09/83
12/10/83
1400
12/11/83
1400
TABLE 2A
DAILY ZERO AND CALIBRATION RECORD FOR DOCK STACK MONITOR
Zero Reading
Zero Drift (A Zero)
Span Reading
0.0 9.94
0.0 0.0 0.0 0.0
9.40
Calibration Drift ( A Span) __
_--
Operating Period
12/13/83 12/14/83 12/15/83 12/16/83
0830 0715 0715 0730
0.0 0.0 0.0 0.0
0.0 0.0 Q. 0
9.95 9.40 10+ 9.10
-0.55 +0.60 -0.90
Additional Data
12/19/83 0730
_
_
9.85
12/20/83 0930
9.30
12/21/83 0930
9.80
12/22/83 0930
9.10
Zero Drift =: (Mean Zero Drift 0.0 + C. I.(Zero) 0.0) = 0.0. Calibration Drift - (Mean Span Drift 0 .27 + C. I. (Span) 0.68) = 0.95.
__
-0.55 +0.50 -0.70
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Data Set No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TABLE 3A
Time
Begin
End
MIDRANGE/ZERO STANDARD TEST RECORD FOR DOCK STACK MONITOR
Date
Zero Readinq
Zero Drift (A Zero)
Span Readinq
0835 1050 1255 1520 1700 0745 1000 1200 1415 1700 0735 1200 1415 0753 1005
0850 1100 1305 1530 1710 0755 1010 1210 1425 1720 0745 1220 1426 0805 1020
12/13/83 12/13/83 12/13/83 12/13/83 12/13/83 12/14/83 12/14/83 12/14/83 12/14/83
12/15/83
12/15/83 12/16/83 12/16/83
0 0 0 0 0 Q 0 0 0 0 0 .0 0 0 0
0 0 0 0
0 0 0 0
0 0
___ Q
5.25 5.70 5.80 6.00 5.90 5.65 6.00 6.15 6.45 6.40 5.55 6.15 6.20 5.65 6.05
Span Drift (A Span)
Calibration Drift
(ASpan-AZero;
o
i-H
o
1
.. +0.45 + .10 +0.20 -0.10
+0.35 +0.15 +0.30 -0.05
+0.60 +0.05
,, +0.45 +0.10 +0.20
..
+0.35 +0.15 +0.30 -0.05
.. +0.60 +0.05
+0.40
+0.40
Zero Drift = (Mea n Zero Drift 0.0 + C.I.(Ze
Q.O) = O.O.
Calibration Drift = (Mean Span Drift 0.22+ C.I.(Span) 0.15) = 0.37.
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TABLE 4A RESPONSE TEST FOR DOCK STACK MONITOR
Date of Test: 12-21-83 Span Gas Concentration: 9.92 ppm
Response: A. Upscale 1. 3 cycles 2. 3 cyles 3. 3 cycles Average 3 cycles X cycle time: 60 sec/cycle = Average upscale response time: 180 sec. B. Downscale 1. 4 cycles 2. 2 cycles 3. 2 cycles Average 2.7 cycles X cycle time: 60 sec/cycle = Average Downscale response time: 160 sec.
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