ftSBr o/ys FINAL REPORT Evaluation of Genotoxic Effects From Chronic Low-Level Inhalation Exposure to Industrial Chemicals in Mica Submitted to TEXAS AIR CENIROL BOARD IAC (85-86)-0737 Marvin S.

., a leading authority on disease caused by asbestos. d.

Contract No. 0-18-006-81 James and Luther CHEVRON U.S.A.

The purpose of this evaluation is to determine if the stack discharge might become caught in the turbulent wake of structures, leading to downwash of the plume.

At earlier Sa~ grass meetings, guests checked in at a facility immediately to the west of Tne Sawgrass property, on the road leading into the TPC Golf Course.

Canada is the leading importer of asbestos, with the Republic of South Africa second.

To ignore this fact leads to an overestimation of the risk. 4.

Robert Wright, Lead Attorney Land and Natural Resources Division Room 2631 Main Justice Building Washington, D.C. 20530 (202) 633-2752/2847 CAPCO JEN 0012088 ASBESTOS LIABILITY REPORT SUMMARY AND RECOMMENDATIONS As a result of occupational health' problems associated with inhalation of asbestos fibers, people have become concerned that asbestos products in schools may pose a hazard to the future health of children now in school.

Robert Wright, Lead Attorney Land and Natural Resources Division Room 2631 Main Justice Building Washington, D.C. 20530 (202) 633-2752/2847 CAPCO JEN 0012088 ASBESTOS LIABILITY REPORT SUMMARY AND RECOMMENDATIONS As a result of occupational health' problems associated with inhalation of asbestos fibers, people have become concerned that asbestos products in schools may pose a hazard to the future health of children now in school.

The results of these risk assessments support the assumptiolls and estimates of leukemia risk made by White et al in 1982.Moreover, the benzene risk assessments conduccui independently met ct al. 1982;M C , 1982;Crump and Men. 19841 lead to estimated risks of death from occupational leukemia that have been chamcurizui by OSHA as si@cant [OSHA,1983)as a resuit of average benzene exposures to the current PEL of 10 ppm or to the OSHA draft proposal of 1 ppm.

Mack (>979) atudlad eh* relative laportaac* at dietary and aqueoua exposure of bluegill eunfleh to several organic compounds (not PCB) and concluded that 'bioaagnlfleatlon* of chealcal residua* In aquatic food chains is not e significant phenomenon in natural eyeteas. finally, Nlsbet and Sarafla (1972), while stating that food chain bioaagnlfleatlon of PCB'a can ba lapllclt In food chains leading to birds and aaaaals, also conclude that "It Is not yat clear whether concentrations of PCB's are consistently increased as they pass up food chains froa Invertebrate* to fish and froa fish to fish.* Conflicting data also exist on ths relative significance of PCB uptake froa food and froa water.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorcoctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFC-600. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was Belgium 2367.

BUSINESS CONFIDENTIAL yr UNION CARBIDE CORPORATION uvis (K.

Thus even limit sures to high levels leads to continuing presence of inhaled asbestos perticle - over - Ctt (o-Jl-O'L Bulletin Ho. 4 -2 - 8/2V fibers within the lung.

C4 0a3) 4-> 0 4-> cn -P G w 4-> U -H 2 *D >i 04 CD aG Q 34 O U m G iG CO S <43 OK GH < XJ G X) .o<*u\ G CG u a -- CD CO O 03 OG <d C O SG -H a) S e G XX 4J o o -p -p O -P H 34 -P G i-4 C4 a) r-4 2 GG co -r4 -X rH XX Eh c rH cn 3 a> CO e g O -P 1 <d a G *H 0 -X 03 CO i--1 <u a XX cn 4J cn CD 2 x: <n C fG + ftf 0 r4 -P -H X i--i 34 34 4-1 -p p 3 H w *H +J G 3 CO CO G C4 D1 'll in P cn W 5 < cn GG 3 G CU G 04 rd aCD cn jj o CO CO CD CD > 5O O CD 34 -p rH G X Dj C 1--i o C/3 M C 34 G <D o 3 3a C Eh a LAM 000544 DPMC-16252 PRICE SCHEDULE Continued 4.0 * INDUSTRIAL HYGIENE V Metals content on filters v/Organ 1c vapors on charcoal and/or silica gel tube Includes separate analyses of front and back of tube; analyses per NIOSH methods (1st component) Additional components (same tube, same GC conditions) / Organic vapors on passive dosimeters Additional components (same GC conditions) / Determination of PNA's in air particulates PCB's 1 Request quotation Per Sample $ 15.00/metal $ 30.00 $ 10.00 each $ 20.00 $ 10.00 each Q1 Q1 5.0 METALS1 Atomic Absorption Spectrophotometry Flame Flameless Aluminum, Barium, Beryllium, Boron, Calcium, Cadmium, Chromium, Copper, Iron, Lead, Magnesium, Manganese, Molybdenum, Nickel, Potassium, Silver, Strontium, Sodium, Thallium, Tin, Yanadlum, Zinc $15.00/each $25.00/each Arsenic, Selenium ` ' $25.00/each Mercury $25.00/each 1 Prices Include digestion for all samples, with spikes and replicate runs normally required to maintain high quality analyses.