Document ybLgeBG0dXoZRYkKbZkyBX2V

f! PLAINTIFF'S 1 EXHIBIT I ZM7JP-283 M h EXHIBIT CHAMBERS WORKS ASBESTOS MCNITCRING 1966 - 1972 datf .cct r.L<s: wstwwwi t asnnn worikwo rks~ ' Chambers Works began an asbestos monitoring program i- cu-ly 1966. The plant records control ptcoram destroyed ~ost of the data and correspondence from the 1966-1972 monitoring program since there were no plant or legal reasons to keep the^e records. However, sufficient records still exist, along with the recollections of personnel involved in the Chambers Wor<s asbestos monitoring program for this period, to clearly es-tabl ish : The Chambers Works asbestos handling study started i.n 1966 was part of an overall Corporate program to evaluate asbestos {see Attachment 1). The objectives of this Chambers Works program were to: define asbestos dust levels for as many asbestos handling operations as possible. t define materials containing asbestos. define operations where exposure might occur. . define adequate respiratory protection procedures. and to evaluate subseitutea for asbeatoa. A. L. Linen, Industrial Hygiena Superintendent, and L. V. Thatcher, Safety Engineer, were assigned responsi bility for the Chambers works program. In 1966, Llneh signed an agreement with Dr. Martin corn then Dean of the Occupational Health Department of the University of Pittsburgh, for his group to measure and count asbestos fibers from air samples taken at Chambers Works. Mr. P. Manella was established as our main contact with the University of Pittsburgh(see Attachment 2). Mr. P. Manella is currently Chief Industrial Hygienist with OSHA in the Massachusetts Region apd*Dr. Corn is associated with Johns Hopkins University. Both men have been contacted concerning their work for Chambers Works in the 1966-1972 period. Both men clearly remember performing the work and both state tha; they should have retained-.bh.c-data from this work for Chambers Works but neithw'Wan can locate the data nor can the University of Pittsburgh. ' r-r1i DUP 0906114 - -2 - "After evaluating asbestos handling at Chambers Works, Linch and Thatcher concluded that certain operations with asbestos represented the most hazardous coerat'ans with the areatest potential for air contamination from asbestos dust. These operations were: . Sawing Welding Shapina Material handling . Cuttina EXHIBIT S J---- ** DATE O-r.r.'*,?J wsntouNNi i K' CEmrEBSHC**-'-- . Filing Grinding and Sanding Attachments 3 and 4 show monitoring data from evaluations in the aoove categories. Chambers works personnel conducted these tests at both Chamoers Works and the Du Pont Spruance Plant. All of the measurements taken were within the accepted standards or 1966 and are also vltfiin today's standards. It is interesting to note that the areas selected by Linch and Thatcher in 1966 on what to measure are about the same recommended areas shown in Table 2.1, Page 27, of the Occupational Exposure Sampling Strategy printed by NICSH in January, 1977. However, this is not surprising since Linch and Thatcher consulted with Dr. Jeremiah Lynch (see Attachments S and 6 for examples) in the 1967-1968 period and Dr. Jeremiah Lynch is the author of the aforementioned NIOSH strategy. Dr. Jeremiah Lynch continued discussions with Du Pont into 1970 (see Attachment 7). Based on their evaluations of the stationary samples, Linch and Thatcher selected pipecoverers and laggets as the aroup of employees with the areatrtt asbestos exposure potential and conducted over ISO monitoring tests for these individuals. Attachment 8 shows the list of personnel with the maximum asbestos exposure potential that was developed in 1968. DUP 0906115 121433 3 Attachment 9 briefly discusses results for these monitoring tests. . Attachment 10 again briefly discusses results from personnel monitoring tests and also in Attachment 11. As a result of the extensive monitoring evaluations made from 1966 to mid-197 2 lover 177 tests), Chamoers Worts evolved a program designed to minimize occupational exposure and to maintain occupational exposure below accepted, recognized 1imits. The effectiveness of the Chambers Works asbestos handling program is demonstrated by the fact that over 1,000 monitoring samples have been taken since mid-1972 and m only one case were the accepted limits exceeded and that individual was wearing full protective equipment. The thrust of the proaram developed by Linch and Thatcher is : Use of strict procedures for asbestos handling. Barricade areas when asbestos handling occurs. Keep all other personnel out of the barricaded areas when asbestos handling is in progress. Monitor personnel who are handling asbestos within the barricaded areas. And monitor the perimeter of the barricades to assure that the barricades have been properly placed. RASzjtb 12/09/80 exhibit# DATE ft-Jv r /9S3 MAStooukm t rout.:: nm - CEnnnasHo'r-- c. DUP 0906116 121434 c. A. D'Alonzo, M.D. August 19* 1966 OD-:OU7< #1 Lit of substances containing asbestos vhich are used on the plant (Taken from Standard Engineering specifications of Wilmington Engineering Standards SN-M Section - "Substances containing Asbestos.*; 102 1C2.1 Calcium silicats (reinforced with asbestos) 4c 104 Inorganic silicates of 105 "Unibestos" - High tamp. substance (being replaced lagging by 102.1) 502 Insulating cement -dry mixture (asbestos and mineral wool). 701 Asbestos roofing - felt sheet fora (contains large quantities of asbestos). 709 Low temperature vapor - barrier mastic - 8-10,000 gal./yr. (used by both laggers and painters). 712 "Finish^ cement - dry mixture! ' : 715 Asbestos cloth or tape - a weave with synthetics or cotton. 724 Asbestos paper - white untreated. 727 Flexible braided asbestos tubing. 803 Lagging adhesives - sodium silicate and asbestos fibers mixture. 811 Water resistant adhesive. 586 Listing tapes. :ee 8/19/66 DUP 1121872 e-st > K.D. ADDENDUM #2 Pipecoveerreerr* * - n-f*'JTi-rsilzcaotrioesne.n' CLASS I (forty-five employees) esployaes end their nedical Payroll ITunber ZD-89250 ED-45=48 ZD- 0451 HD-15730 cc- 9253 EB-9769O ED-50529 cc- 6629 ED- 464 cc- 1131 ED-29116 ED-86700 ED-62406 ED-86154 ED-56886 ED-85524 cc- 2789 cc- 7632 CC- 6676 cc- 0232 cc- 8670 ED- 8170 ED-46527 ED-80001 ED-825S3 ED-14071 ED-13693 ED-20880 cc 2609 ED-81691 ED-75329 ED-18208 ED-66634 ED-63I08 ED-46995 ED-49S20 cc- 8927 cc- 1299 cc- 976 ED-76914 HD-73520 cc- 2771 ED-16620 cc- 57 cc- 566 :ee REDkCTED A S ID 10- 6-39 12-14-39 4-25-40 7-19-40 3-26-41 4-28-41 . 3-20-48 7-19-49 l1\--280--5511 2-29-53 1-ii-P 4-10-55 psM 4-25-64 4-30-65 2-14-66 3-25-35 fc1101--3358 11- 7-3f l: 7-3| 20-58 2- 12-37 -||10- 19-57 lo 22 ll- i- 7-59 30-59 10- 8-59 5- 2-60 1: 18-60 , 3-60 I:1215--6600 12- 6-60 12- 14-60 4- 30-61 5- 8-61 12- 8-61 5' 25-62 DUP / 3 1121873 C. a*i.-^ C. A. D'Alonco, M.DS^ August 19, 1S55 AJDEKDUM #2 - Page' 2 ; Class II (ten employees) Payroll Humber -- 2D- 883 Kane -- t ZD-14764 CC- 8677 ED-SSllO 32-87555 22-96890 ED-39616 ED-47619 ED-78l3o CC- 0120 see 8/19/66 U o and their medical classifications A.S.D. 5-27-40 8-02-40 2-22-42 Coronary. Fibrosis by x-ray since 1947. Heart restrictions. Vision. Fibrosis by x-ray since 1947. Ko restrictions. 1----------- Coronary. X-ray Tibrosis since 1955. Cardiac restrictions 3-26-51 Vision. Fibrosis by x-ray since 1950. 7-19-63 Pulaonary .problem (nonoccupa. ) - Ko--restrictions----------------------------Compensatory emphysema with fibrosis. 6-19-33 11-01-34 Eye only (blind). Pulaonary Chest finders to47. Ho restrictions. Ko pulmonary disability wage problem. 4-22-37 Coronary insufficiency.. Peribronchial fibrosis since at least 1950. Ho restrictions. 2-25-39 Hypertensive cardiovascular disease. Some x-ray.fibrosis since 1947, Ho restrictions. 10-30-58 Renal. Ho restrictions % -.0 i lD DUP 1121874 d-0 /-? J w C. A. D'Alonio, M.D. August 19* 19^6 LJ ADDHDEDUM #2 - Page 3 Pipecoverers - present employees end their aedical classifications c CTASS III (one enployee) * ED-59530 A.S.D Hypertensive cardiovascular end renal disease. Fibrosis by x-ray since 15^7 DUP 1121875