SAMOHP South African Mines Occupational Hygiene Programme Codebook Directorate: Occupational Hygiene Department of Minerals and Energy Private Bag X59 PRETORIA 0001 DATE FIRST ISSUED: 1 JANUARY 2002 EFFECTIVE DATE: 1 JULY 2002 Introduction The Occupational Hygiene sub-committee was mandated by the Mine Health and Safety Council to develop an Occupational Hygiene Database to record exposures to significant occupational hazards in the South African Mining Industry.

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Teck Resources Limited Suite 3300, 550 Burrard Street Vancouver, BC Canada V6C 0B3 +1 604 699 4000 Tel +1 604 699 4750 Fax www.teck.com Teck Christian Baxter Director, Environmental Performance Teck Resources Limited Christian Baxter is currently serving as Director, Environmental Performance.

statement Restoring Scientific Integrity in Policymaking -------- On February 18, 2004, over 62 leading scientistsNobel laureates, leading medical experts, former federal agency directors, and university chairs and presidentssigned the statement below, voicing their concern about the misuse of science by the Bush administration.

FILE NAME: CertainTeed (CERT) DATE: 2000 May 5 DOC#: CERT045 DOCUMENT DESCRIPTION: Legal - Filing of Defense IN RE: ASBESTOS LITIGATION IN THE DISTRICT COURTS OF DALLAS COUNTY, TEXAS DEFENDANT CERTAINTEED CORPORATION'S SUPPLEMENTAI, FACT AND EXPERT WITNESS LIST COMES NOW.

European Journal ofEpidemiology 16: 411-417, 2000, 2000 Kluwer Academic Publishers.

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190 Air System Equipment air fuu>> YORTOX COMPANY Claremont, California Panel Air Filters for all Industrial Applications Vortox Panel Air Filters are of the cleanable, impingement, viscous-coated type with exceptionally low resistance to airflow.

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Type of dust Ignition temp of dust cloud (degC) Win spark energy required for ignition of dust thud (mithjoules) Min ex plosive concen tration (oz per 1 000 cuft) Max explosion pressure <pst) Vinyl butyral resin Vinyl chlonde-acrylonitnie polymer Vinyl copolymer resin Agricultural products Alfalfa Cellucotton Cinnamon Citrus peel dehydrated Clover seed Cocoa Corncob meal Cotton seed Furfural residue Grain dust Lycopodium Nut shells Omon dehydrated Pea dehydrated Potato starch Pyrethrum Soybean Tung Wheat dust Wheat flour Yeast Miscellaneous Adipic acid Aluminum stearate Asptnn Bark dust (Douglas-fr) Beryllium acetate Calcium lignin sulfonic acid Carbon activated Casein rennet Cellulose Charcoal (pine wood) Coal low volatile Coal medium volatile Coat high volatile (Pgh seam) Coal, subbitummous Diazoaminobenzine Dmitro-ortho-cresol Diphenyl Gi Isolate Hexamethylenetetramine Lactalbumin Lignite Uver protein Napalm Paraformaldehyde Peat sphagnum Pentaerythntol Phenothiazme Phthalic anhydride Phytosterol 450 390 530 500 460 440 440 490 470 420 410 400 380 470 400 440 430 500 460 420 410 560 420 440 460 440 520 350 440 470 380 520 550 400 660 540 620 590 660 520 460 620 635 605 610 455 470 550 440 650 560 410 570 440 520 450 410 460 450 540 650 330 BO 10 15 60 320 60 40 45 80 100 160 60 30 80 40 40 30 60 40 SO 40 35 25 60 40 50 30 240 50 50 SO 70 15 25 40 100 100 80 80 120 60 60 45 20 80 60 25 10 SO 60 45 40 20 50 10 15 10 70 85 20 601 35 85 100 40 100 65 50 100 40 115 60 100 60 60 45 62* 85 50 30 120 40 110 55 90 40 105 40 105 55 95 40 105 25 85 30 105 130 60* 50 100 75 110 45 95 too 80 45 95 35 100 35 90 70 110 70 105 50 95 so 105 35 75 15 95 35 85 30 90 60 60 160 60 40* 45 65 55 100 40* 45 120 60 55 85 45 95 35 100 15 90 25 55* 35 55 20 90 15 100 40 90 45 90 45 60 20 85 40 100 45 85 30 90 15 80 15 70 25 75 Rates of pressure nse (psi per sec) Avg Max Limiting oxygen percentage to prevent ignition of dutt cloud by electric sparks 800 500 1 700 200 500 900 1 400 1 200 400 550 150 1 200 2.200 800 1 800 1 400 t 000 1 400 2 300 1 900 400 2100 1 600 2 300 GOO 1 000 1 200 1 600 1 400 1,500 1 200 1 000 1 200 1 200 2000 2900 600 600 200 400 1 100 200 300 300 600 1,200 2 000 2900 1300 400 1200 2400 900 600 BOO 1 000 2 500 900 1700 1.400 1 300 1 500 2 000 1 000 4 500 500 1 000 3000 4 000 3 000 1 000 1200 250 3 750 6 750 2500 7 000 4 000 2 750 4 750 7 000 4 000 1250 6 000 8 000 8000 1 500 2 750 3250 5 000 3500 3,500 3 750 2500 2 750 4 750 10 000+ 9500 2000 2 000 300 1 000 2 750 250 600 600 2250 3 000 5500 10 000+ 2250 1 500 3750 10000-12 750 2750 2250 3000 10000+ 2250 9 500 4 250 4250 8000 17 14 15 13 to 15 13 15 17 17 13 18 16 15 14 13 15 12 14 16 14 I 1611

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