ISO 17776 Checklist
ISO 17776 Checklist
ISO 17776 Checklist
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Hazard<br />
number<br />
Table D.1 (continued)<br />
Hazard description Safety Health Environmental<br />
Sources<br />
19.05 Halon — C D Areas with halon fire-fighting systems such as turbine<br />
enclosures and electrical switchgear and battery<br />
rooms<br />
19.06 Smoke — C D Welding/burning operations, fires<br />
20 Toxic gas<br />
20.01 H 2 S (hydrogen sulfide, sour gas) MH C D Sour gas production, bacterial activity in stagnant<br />
water, confined spaces in sour operations<br />
20.02 Exhaust fumes — C D Enclosed spaces<br />
20.03 SO 2 — C D Component of H 2 S flare and incinerator flue gas<br />
20.04 Benzene — C D Component of crude oil, concentrated in glycol vent<br />
emissions and Wemco units<br />
20.05 Chlorine MH C D Water treatment facilities<br />
20.06 Welding fumes — C — Construction and metal fabrication/repair, welding<br />
toxic metals (galvanized steel, cadmium-coated steel),<br />
metal cutting, grinding<br />
20.07 Tobacco smoke — LS — Accommodation, office buildings, boats, aircraft<br />
20.08 CFCs — — D Air conditioning, refrigeration, aerosol sprays<br />
21 Toxic liquid<br />
21.01 Mercury — C D Electrical switches, gas filters<br />
21.02 PCBs — C D Transformer cooling oils<br />
21.03 Biocide (gluteraldehyde) — C D Water treatment systems<br />
21.04 Methanol — C D Gas drying and hydrate control<br />
21.05 Brines — C D Hydrocarbon production, well kill fluid, packer fluids<br />
21.06 Glycols — C D Gas drying and hydrate control<br />
21.07 Degreasers (terpenes) — C D Maintenance shops<br />
21.08 Isocyanates — C D Two-pack paint systems<br />
21.09 Sulfanol — C D Gas sweetening<br />
21.10 Amines — C D Gas sweetening<br />
21.11 Corrosion inhibitors — C D Additive to pipelines and oil/gas wells, chromates,<br />
phosphates<br />
21.12 Scale inhibitors — C D Cooling and injection water additive<br />
21.13 Liquid mud additives — C D Drilling fluid additive<br />
21.14 Odorant additives (mercaptans) — C D Custody transfer facilities for gas, LPG and LNG<br />
21.15 Alcohol-containing beverages WP LS —<br />
21.16 Non-prescribed drugs WP LS —<br />
21.17 Used engine oils (polycyclic<br />
aromatic hydrocarbons)<br />
— C D Used engine oils<br />
21.18 Carbon tetrachloride — C D Plant laboratory<br />
21.19 Grey and/or black water — D Septic systems, camps, detergents<br />
22 Toxic solid<br />
22.01 Asbestos — C D Thermal insulation and construction materials, old<br />
roofing (encountered during removal)<br />
22.02 Man-made mineral fibre — C D Thermal insulation and construction material<br />
22.03 Cement dust — C D Oil well and gas well cementing, civil construction<br />
22.04 Sodium hypochlorite — C D Drilling fluid additive<br />
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