Document L6Xx2mOZkJNonaDKrKoJL58Q

Shell Oil Company Shell Chemical Company Interoffice Memorandum PLAINTIFF'S EXHIBIT SH-3179 DECEMBER 14, 1987 FROM: D.B. SNYDER, INDUSTRIAL HYGIENE ASSISTANT, HEALTH & SAFETY DEER PARK MANUFACTURING COMPLEX TO: J.W. OVERMAN, MANAGER, CAT CRACKING & GAS P.M. SPICER, MANAGER, CAT CRACKING & GAS DEER PARK MANUFACTURING COMPLEX SUBJECT: MONITORING RESULTS Attached are updated area exposure monitoring results for inorganic lead and total nuisance dust at Gas Recovery. These results represent measurements taken during specific work tasks. The sampling results may be compared to the following DPMC Exposure Guidelines: Permissible 8 Hr. TWA Exposure Guideline Inorganic Lead Total Nuisance Dust 0.05 mg/m3 10.0 mg/m3 The attached monitoring results should be posted in areas that are accessible to personnel working in the vicinity of the work being performed. We appreciate your assistance in this program. If there are any questions, please call me at 7102. cc: W.B. Austin A.F. Schmit ECB Satellite DBS Chron CHBT8733502 - 0001.0.0 006132 DPMC-18014 CCOV Wec .* < d,e z 0IH H B z CJ to w p 1 3 W rJ jrj CO p oM Zw B ys zH X t0o0 0) 4COJ 43 >c%i B <u0 H o H H O Vi CO Vi U 60 C CH ZOIJ Z M aai we o tcod 60 c CO U OD i-cot o 4e) a a h zp x*j. 83 U-l MO Oh O C Vl 0o Of a 441J co U cd V 43 &0 CO Voi 43 00 I CO i 4J *4 00 O1p-1). g o<o0 > oo o c O 4) u <0 <au HZp y tw r(HB O a nw ac B83 noU H 4J Cu4O3 60 CH ao Vl 60 *0o ^eH 4J 43 CO 4) 03 rcHo X 0030 U43 6O0 l-i Pc 03 I CO TJ 4) C 60 CO 4J C CO 4) O 4) H 60 K CO G CO Vl 60 roH3 cd 4CoJJ cd M4) T3 U43 OHS3 1Vo-1 44J3 4V4-3 00 60 -UCH 00 rcHd MH *Vol r<Hd P O cn 4) O O 4J *0 60 CD U 41 C 43 00 C "H 4^) 00 U00 cO 4J 43 *4UC3 4V4J3i rcHd P. *C o-cn Vl Q0oQ0 4U3 CL XrcPc0Hood0 go 60 o ^aH S B3 Oh H Zp *VDoi 00 CO 60 a 4) rH J4=J D OV 4J 00 rHCO 0O0 PO X u C3 TwaU3 ZP Uo-l fH a mai O. 6 B3 toU cCcdO *V6GOoH0i 00 4poHH 6oou <Vd 43 aO cn 00 o <* NO CM cn cn CM cn CO CO MONITORING RESULTS FORM (1 ) X in d ic a te s th a t th e sam ple r e s u lt is measure o f th e e ig h t-h o u r tim e -w e ig h te d average exposure. (2) X in d ic a te s th a t a re s p ira to r was worn d u rin g the sam pling p e rio d . H Hto z p u p*H z o u zM z 60 8 o ON CM m o CM 00 cn NO I W t)0 se wz W Z m 8 in Zo ZO w o cn CM O CM m cn in oo m o^ 00 OIN m O o m co co m 0O0 c^n r- oo I 4* OIN CO M o O cj cOmn o --' oo OIN CM O' O o c0n0 CmM 00 CO o *-< r-* 0I0 <r I ON m o Ocn NmO oo cn o^ roo I *4 OI n LAM 006133 DPMC-18015 <wz z <Vcad> <V4c<d) <uc0d3 c0d3 <Vc Vc0d3 < pto* w ps CM ^ sc < C- oO |h zMO H HPm oC*S CwO Q O * T3 C 60 H C >o c 1-4 5 CO o o l-i o CO o CO m 41 M 13 D* 4) B v U O 4) CO U 41 i-H t-4 a l-l 4J hh a a- co e *o ? 4J Pi CM co cn o 60 41 mC a t4 co 4J e o CO 1-1 41 CO 0 4J t-H 4-1 O > 41 to r4 44 PS ^4 o Pm OX a c 4J 41 H <0 r4 > a B 5 41 CO o P CO o CO 4-1 41 41 Pi 44 CO o o o Pi cO cn 41 o l-i 41 CO <0 4-1 CO Cl o 60 41 Pi c r4 o H i-4 co 44 O 00 V o (0 e r4 41 H & r4 * 9* B 5 f O CO o Pi w *o 44 m o in ocn cn cn MONITORING RESULTS FORM (1 ) X in d ic a te s th a t the sample r e s u lt is measure o f th e e ig h t-h o u r tim e -w e ig h te d average exposure. (2) X in d ic a te s th a t a re s p ira to r was worn d u rin g the sam pling p e rio d . r> X 60 X co H o H 1i Z q w q w 60 6 wCO o Pi 2 w w q Mz m PS O q o q o w z M O *1 CO 00 00 CM o M oO<od* *mmd- O^ w 0ii0 q CM1 ON CM -d1 o m in co <r oo cn o^ r-* 00 i CMtl ON <-S*' CM O Om CO <f ooo'd^* r*> 010 CMIl On 3 9 wz C <pwO CO 41 CO 41 <0 41 Pi Pi Pi <<< LAM 006134 DPMC-18016