Document xz3DzGxeN60Y74d3DKLGnVodm
October 7, 1992
Dow U.S.A
The Dow Chemical Company PO Box ' 50
Plaquemine Louisiana 70765-0150
Daniel Cortez Eddie Guillory
Petrin Petrin
Building 4106
cc: Marty Morrison Power I/Utilities Building 1801
Asbestos Monitoring
Enclosed are sample results for potential exposure to asbestos.
The OSHA 8-hour permissible exposure limit for asbestos is 0.2 f/cc >5 microns and the 30-minute short term exposure limit is 1 f/cc >5 microns.
The results displayed are based on sampling duration.
The data sheet shows the results of exposure using two methods, the Limit of Detection (LOD) and the Limit of Quantitation (LOQ). Included on the data sheet is an explanation of the method Limit of Quantitation.
Thank you,
Darlene S. Creel Industrial Hygiene Ext. 6181 Building 3502-W
Attachment
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A 115029
oo
COMO IDONTtAt
PRODUCED FOR THE ASBESTOS DATABASE
DATE: >0hi
^_
MASTER No > CL^'SX'7 ! /XiK
LOUISIANA DIVISION INDUSTRIAL HYGIENE SAMPLE RECORD
PLANT/DEPT.
k{&L,,X____ , -______________
MONITORING FOR
0hFife'S F.btri
DATE_?-^-fe_
OTHER CHEMICALS PRESENT..
SAMPLE N2 1 5 28 3
TEMP..
DEGREE F
HUMIDITY .
SAMPLE COLLECTION MEDIA:
BADGE NO.____
TYPE.
CHARCOAL TUBE SIZE_ C3--FILTER CASSETTE SIZE__ ZS-fh/M
SILICA TUBE
SIZE _
DRAGERTUBE
TYPE
OTHER ___________
SHIFT: 8 HR. 12 HR.
PERSONNEL SAMPLE O'SHEA SAMPLE
O FULL SHIFT TWA STEL/TASK
______ WIND DIRECTION
EMPLOYEE NAME____ EMPLOYEE I.D.#_____ JOB CLASSIFICATION. IH JOB CODE #______ CONTRACTOR COMPANY .
fit-K-.V Ce,
RESPIRATOR USED7 YES NO
RESPIRATOR MODEL / CANISTER TYPE______
MOUTH-BIT
DUST
FULL-FACE
CJ AIR-LINE
HALF-FACE SCBA
DESCRIPTION OF AREA SAMPLED/JOB PERFORMED DURING MONITORING.
PUMP SERIAL NO. I CALIBRATION DEVICE:
ft '7 3S-WBBLEMETER OTHER_________
ROTAMETER
PUMP FLOW RATE CALIBRATION: BEGIN- 1
3. inis
BEGINNING FLOW RATE AVG.3Y<?/
ENDING: 1. 5*111
2. 7'iiX _
' 3"'CC/MIN
; vuoq
O L/MIN
3.
ENDING FLOW RATE AVG. >1 l>~ \ Crtc/MIN 0 L/MIN
SAMPLE AVERAGE FLOW RATE
AYS'I
TIME STARTED. TIME STOPPED __I__________A__*__T_-_-____ TOT. RUNNING TIME(MIN) T(/D
CfOO
SAMPLE VOLUME (AVG FLOW X RUN TIME). I2L2-
JWA.ctif CmXP
tPw. AvuAm
[
__s5___ Ahh
ANALYTICAL REPORT REFERENCE * 3to -
ANALYTICAL RESULTS,
*V*o________________
RESTRICTED FOR USE WITHIN DOW ONLY *
______ CJ. o \
Tj&CT-
VP-124
l-0<^ FORM FILLED IN BY:
LOUISIANA DIVISION INDUSTRIAL HYGIENE SAMPLE RECORD
PLANT/DEPT. MONITORING FOR.
X _____________________________ _
p--' Wj.
DATE 9 -)- (t - 3
OTHER CHEMICALS PRESENT-
sample N 1 5282
TEMP.
DEGREE F
HUMIDITY
SAMPLE COLLECTION MEDIA' BADGE NO____________
TYPE.
CHARCOAL TUBE SIZE.
3-r r* m3---FILTER CASSETTE SIZE.
SILICA TUBE
SIZE _
DRAGERTUBE TYPE.
OTHER __ ________________
SHIFT: a bhr.' 12 HR.
PERSONNEL SAMPLE FULL SHIFT TWA STEL/TASK
OIlrea SAMPLE ______ WIND DIRECTION
EMPLOYEE NAME____ EMPLOYEE I.D.#______ JOB CLASSIFICATION. IH JOB CODE#______ CONTRACTOR COM PANY .
T>*4r -A/
Cot
RESPIRATOR USED? YES O NO
RESPIRATOR MODEL / CANISTER TYPE_______
MOUTH-BIT
DUST
HALF-FACE
O FULL-FACE
O AIR-LINE O SCBA
DESCRIPTION OF AREA SAMPLED/JOB PERFORMED DURING MONITORING
MamJL -
PUMP SERIAL NO. CALIBRATION DEVICE:
OBOTBLEMETER Oother________
ROTAMETER
PUMP FLOW RATE CALIBRATION: BEGIN.!. ,3-TCP
z.
3 3 T H If
BEGINNING FLOW RATE AVG. -?W 0Q ENDING:!. AH.5fr
2. 0 Hr&
3. >YTY
ENDING FLOW RATE AVG. S VJT iff
-u0 p
SHY/
3^CC/MIN L/MIN
____ C^CC/MIN O L/MIN
SAMPLE AVERAGE FLOW RATE
2 H~1 ~1---
TIME STARTED
4.3 O
TIME STOPPED ) 3 ^0 Pfo
TOT. RUNNING TIMEIMIN!
3kQ
\00
SAMPLE VOLUME (AVG FLOW X RUN TIME) _
ANALYTICAL REPORT REFERENCE #
ANALYTICAL RESULTS:
\ ^TQ_______________
RESTRICTED FOR USE WITHIN DOW ONLY *
________ C5^" VP-124
FORM FILLED IN BY;
DO A 1 1 5030 r 0NFTDENTTA1.
ASBESTOS MONITORING DATA RESULTS: POWER 11892
**LOD ***LOQ
EXPOSUREGUIDELINES 8-HR. TWA LIMFT-0.20 FIB/CC 30-MINUTE LIMIT = 1.0 FIB/CC LIMIT OF DETECTION = 7 FIB/MM2 LIMIT OF QUANTITATION = 100 FIB/MM2
DATE SAMPLE* PERSONNEL DESCRIPTION
9/26/92
15282
Area Sample Sample taken inside wind bos on boiler #1 Ground Level-approx 2' off floor
9/26/92
15283
Area Sample Sample taken inside wind box on boiler #1 Ground Level-approx. 2' off floor
DUR(MIN) VQL(L) 360 900 360 900
LOD ***LOQ FIB/CC FIB/CC
0.01 <0.04
0.01 <0.04
Note: The Limit of Quantitation has been defined as 100 Fibers/MM2 using the minimum fiber loading criteria specified. In the NIOSH analytical method 7400, the stated range of the method is 100 to 1300 Fibers/MM2 filter area. Although samples below this range can be analyzed, the method has not been validated below 100 Fibers/MM2. However, the NIOSH method 7400 also establishes the estimated Limit of Detection as 7 Fibers/MM2 (Reference OSHA Std. 1910.1001, Appendix B). Based on this information, we will establish 100 Fibers/MM2 filter area as our Limit of Quantitation and 7 Fibers/MM2 filter area as our Limit of Detection (which is more representative of the actual fibers present) for asbestos monitoring. We wifi report both Limit of Quantitation and Limit of Detection.
If only Limit of Quantitation were expressed, the minimum reportable result would calculate to be 0.04 Fibers per cc for an 8-hr. Time weighted average sample at a flow rate of 2 liters per minute and 0.6 fibers per cc for a 30 minute time weighted average short term sample at a flow rate of 2 liters per minute.
TjO A 1 1 TjOTj ]
CONFTDENT7A1
A Member of the Inchcape Environmental Group
4) TEST-PAINE QJaboyatotieA wc.
7979GSHIAVE. BATON ROUGE, LA 70820
DOW CHEMICAL Plaquemine, LA
September 28, 1992
Four (4) filter cassette samples were received on September
26, 1992 from Dow Chemical for fiber count. Fibers larger than 5
microns in length were counted by means of phase-contrast
microscopy at a magnification of 400X. The procedure recommended
by NIOSH method 7400A was followed.
Pertinent information
regarding fiber counts is as follows:
Field Area: 0.00785 mm2 (Walton Beckett Graticule)
Effective Collecting Area:
385 mm2 (25 mm Cassette)
855 mm2 (37 mm Cassette)
Limit of Quantitation: 10 fibers/100 fields
Limit of Detection: > Average Blank Count
@ Detection limits are based upon a minimal concentration of 7
fibers/mm2.
Sample I.D.
Fibers (>5um) Observed
No. of Fields Observed
Fibers per
Filter
POWER I:
15282 3 100 1,470
15283 1 100 490
Blank I
0
100 <490
Blank II
0
100 <490
*Less than the Limit of Quantitation.
Volume of
Air (L)
891.72 882.36
Fibers (>5um) per c.c. of Air
<0.003* <0.003*
k Philip w. WWeesst, Ph.D. ^Laboratory DDiirector
ppe V*
A Member of the Inchcape Environmental Group
207242
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CHAIN-OF-CUSTODY RECORD
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SAMPLE COLLECTION:
Location of Sampling:.
Facility Type:____ Producer____ Hauler____ Disposal Site____ Other
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Field Information:
sample SHIPPING (other than transppoorrttaattiioonn by collector):
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7.Date:
Company Name:___
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Time:
Address:__________
SAMPLE RECEIVING:
Person accepting sample.
J)_____ Date: 0*1
Company WaW: WEST-PAINE LABORATORIES, INC.________________
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Time H'3Q
Address:7979 GSRI Avenue, Baton Rouge, LA 70820
Sample DispositionStorage__ Further Transportation____ Other
CHAIN-OF-POSSESSION: (Attach additional sheets as needed to show continuity)
TERMINATION OF CHAIN-OF CUSTODY:
Authorized by:Date:Time ________
Company/Name:Address:
_______________________________
DO A 1.1 5034 CONFIDENTIAL
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Address:________ 7i7? C3hl Avenge, Baton Rouge, LA 7CS20
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Address:
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CONFIDENTIAL -'.
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