Document DG06GxQ7YEQznBY70jGO0KNjQ
^r'*,Cnv.Lronmental^rote-ctionTicpartment ' v
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3 3 7 7' anuary"" ff ""n !T
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cc: - Mr/ J. L. Carvajal
Mr. H. H. McGriff /
Mr. R. N. Wheeler V
'? Mr. J. L. Woretell
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-fv^.T.Subject: - VCM Concentration-From Hopper Care
, Solvent `Vinyl Resin Area
Project^No. S14-H-3-74
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The attached table shows four source samples and two area *" samples (representing the mployees breathing zone) with VCM concentra tions less than the action level of 0.5 ppm.
Please advise if you feel additional sampling is necessary.
/pl Attachment
jt. ,,Z I j JMil 1% ft (
ucc
jnlt Solvent Vinyl Storage Area
i FIELD SAMPLING SUMMARY
Building Tracks Job Title
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ample "! v'
Time
Cone. PPM
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Date (Minutes) 1 *-
* Sampling Condition - Job TaskL '
(C)
4/IS , 1:35 p. m. Hopper car opening UCPX
Y-;Y.Y:Y
\ ''51051 ....
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<0.05
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j.2'> ^r., 10/15 ; Z:30 .v Hopper car - 12M above
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1
h
t''\: _ t ...
p:
m.
;J |
, manhead VTHG i ..
<0.05
!i3I i'; 1100//1155.,;33::0000 \ HHooppppeerr cc ar - 12*'above
I -Y ; j- p.m. i,f >' ' mmaannhheeaadd TTHG 30 minutes
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plater. .'
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j4-;; ll/25 v9:35 l . Hopper car opening
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a. m. ' 1 : inside VTHG
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* . ....
.5 'v 11/25 9:36 . Hopper car opening
I,'-'tr i^';-;'/i''>l0i52.J;'.- ...inside VYHG - -
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11/26 .11:20
Hopper car CCBX 55321
./'a. in.
empty - contained VTHG
0.3 0.23 0.4 <0.05
Exposure Time Min.
(Tf
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96
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TWA - fTITxq " SfT
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Sampling Frequency - .*1/2 TLV No Furth4 r'Monlioririg ::~'>Ceiling Value - 15 Mid/ TW/ ^1/2 TLV Monitor Quarterly ;
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oO jbpr vc<t > Department Head Ji,T_T..ifrtr:n-aT T
-B.L.Murray ' -v l
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