Mangelinkx, Westlake Date December 31, 1981 Subject PTX Exchange Samples (222=2) Lob- JAM 7 A982 Gravity, API Distillation, F IBP % Evaporated @ 120 140 160 200 240 2^80 320 360 End Point ,, Recovery, % i^^-brar, % Octane, Research Octane, Motor Reid Vapor Pressure Lead PTX 1-82 61.6 86 14 24 32.5 47 64 78.5 89 95 421 95 1 93.2 84.8 12.8 0.73 PTX 1A-82 50.9 113 4 5 7.5 19.5 41.5 66 82.5 93 428 96 1 95.4 85.6 4.9 <.003 Mangelfnkx sd cc: MEO FILE(2) MCD 000021698

., and Vista Chemical Company, and the Consent Decree entered in the above action, we hereby provide notice of recently-discovered information which may lead to the filing of an Environmental Claim.

In the absence of your own research, perhaps you could provide some leads as to where such research may have been conducted and/or where printed data on this subject may be obtained.

The leading case on the applicability of collateral estoppel in New York is Schwartz v.

Kieschnick VVV 000009053 WARNING ASSORTED POWDERED MIXTURE MAY CONTAIN ALL OR SOME OF THE FOLLOWING HAZARDOUS CHEMICALS LEAD CADMIUM BARIUM ANTIMONY CHROME MERCURY CARBON PHOSPHOUS ARSENIC oc oo 0 6 0^ ,

This information leads me to recommend that we continue to provide laundering services to the insulators when they are working with asbestos.

.# 005273 SAMPLE DESCRIPTION: Log #773 - Sample date & time: 7-18-88 & 0630-1130 Derivatives Surge Pond Sludge WTS 003 METALS -- ANALYSIS OF SAMPLE -- Method 3050 Digestion ARSENIC BARIUM CADMIUM CHROMIUM LEAD MERCURY SELENIUM SILVER NICKEL COPPER ANTIMONY BERYLLIUM _ - - -- - - RESULT 1.07 ppm 21.2 ppm <0.47 ppm 59.2 ppm 2.29 ppm 8.79 ppm <0.056 ppm <1.12 ppm 21.0 19.1 <3.37 <0.56 ppm ppm ppm ppm METHOD 7061 6010 6010 6010 7420 7470 7741 7760 7520 7210 7040 6010 Test Methods for Evaluating Solid Waste SW-846 Nov 1986 On Behalf of Core Laboratories, Robert Morris Laboratory Supervisor RM/rl L." - SL inimn--wwo--Wwl--nmain,aCol ,Bnrani Cor*Uoorr wnirm no r--nootiomvnamirm*o **--*"'

Uetei ImUv Ii the lead eeateat ef 38 of the 58 fenmlaa fm< to la year letters ft fat.8 mt aalUel SfcBg 0 0 0.41 0.47 5:8 0.S2 It.43 0 0 0 0 0 0 0 3.79 I: 2.1 724-63901 $48 38SP oe >1 -111340 860-M366 669-W567 ST88S 8ee af the above palate eeatala aay aereury.

However, our understanding of the thermal decomposition of 1,2,4trichlorobenzene has advanced considerably and I am confident that this new information will lead to future experimental success.

Kehoe last week and we are especially grateful for his permission to allow us to follow-up the current health status of these lead-exposed subjects.

., and Vista Chemical Company, and the Consent Decree entered in the above action, we hereby provide notice of recently-discovered information which may lead to the filing of an Environmental Claim.

DeWhitt - Ponca City ALL SAMPLES RESULTS: Chemical VCM Lead Antimony Total Particulates PEL No

Ongoing analysis of detailed health questionaires obtained at the time of blood sample taking may lead to explanations of the slightly elevated levels found in two of the 59 persons.

'"- Ponca City ALL SAMPLE RESULTS: Chemical VCM Lead Total Particulates < PEL No. % 90 94.7 9 100.0 2 100.0 > PEL(OVEREXPOSURES) No. % 5 5.3 0 0. 00 QVEREXP05URES: Job Class Reactor Operator .

This information leads me to recommend that we continue to provide laundering services to the insulators when they are working with asbestos.