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96pyrophoric materials - materials that ignite spontaneously in air. Since awide variety of chemicals will burn if heated sufficiently, it is usual to definea pyrophoric material as one which will ignite spontaneously attemperatures below about 45 o C;reactive materials - materials that may undergo vigorous condensation,decomposition or polymerisation. They may react violently under conditionsof shock or increase in pressure or temperature. They may also reactvigorously with water or water vapour to release a toxic gas;reproductive toxin - (such as vinyl chloride or PCBs) - a chemical whichmay cause birth defects or sterility;sensitisation - the development, over time, of an allergic reaction to achemical;sensitiser - a chemical which may lead to the development of allergicreactions after repeated exposure;solubility - the ability of a material to dissolve in water or another liquid;solvent - a material which is capable of dissolving another chemical;specific gravity - the density of a liquid compared to the density of anequal amount of water;stability - ability of a material to remain unchanged in the presence of heat,moisture or air;STEL (Short Term Exposure Limit) - the maximum permissibleconcentration of a material, generally expressed in ppm in air, for a definedshort period of time (typically 5 minutes). These values, which may differfrom country to country, are often backed up by regulation and thereforemay be legally enforceable (see "exposure limit");systemic poisons - poisons that have an effect which is remote from thesite of entry into the body;TD50 - May be defined as follows: for a given target site(s), if there are notumours in control animals, then TD5O is that chronic dose-rate in mg/kgbody wt/day which would induce tumours in half the test animals at the endof a standard lifespan for the species. Since the tumour(s) of interest oftenoccur in control animals, TD5O is more precisely defined as: that dose-ratein mg/kg body wt/day which, if administered chronically for the standardlifespan of the species, will halve the probability of remaining tumourlessthroughout that period. A TD5O can be computed for any particular type ofneoplasm, for any particular tissue, or for any combination of these. Therange of statistically significant TD5O values for chemicals in the CPDB thatare carcinogenic in rodents is more than 10 million-fold;
teratogen - chemical which may cause genetic mutations or malformationsin the developing fetus. Agents or compounds that a pregnant woman takesinto her body that generate defects in the foetus;TLV (Threshold Limit Value) - the maximum permissible concentration ofa material, generally expressed in parts per million in air for some definedperiod of time (often 8 hours). These values, which may differ from countryto country, are often backed up by regulation and therefore may be legallyenforceable (see "Exposure Limits");TLV-C (Threshold Limit Value - Ceiling) - an exposure limit which shouldnot be exceeded under any circumstances (see "Exposure Limits");toxicity - ability of a substance to cause harmful effects;trade name - the name under which a product is commercially known;TSCA (Toxic Substances Control Act) - regulates the manufacture,transport and use of toxic substances in the USA;TWA (Time Weighted Average) - term used in the specification ofOccupational Exposure Limits (OELs) to define the average concentrationof a chemical to which it is permissible to expose a worker over a period oftime, typically 8 hours (see "Exposure Limits");UEL (Upper Explosive Limits) - see "Explosive Limits";UN Hazard codes:• Class 1 Explosive Class;• Class 2 Gases;• Class 3.1 Flammable liquids, flash point below -18 o C;• Class 3.2 Flammable liquids, flash point between -18 o C and 23 o C;• Class 3.3 Flammable liquids, flash point between 23 o C and 61 o C;• Class 4.1 Flammable solids;• Class 5.1 Oxidising agents;• Class 5.2 Organic peroxides;• Class 6.1 Poisonous substances;• Class 7 Radioactive substances;• Class 8 Corrosive substances;• Class 9 Miscellaneous dangerous substances;• NR Non-regulated.UN Number - a four-digit number assigned to a potentially hazardousmaterial or class of materials. UN (United Nations) numbers areinternationally recognised and are used by fire fighter and other emergency97
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Guide to the safe handling ofsolven
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Sabita DVD SeriesDVD100DVD200DVD300
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CONTENTS1. Introduction2. Solvent s
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• The use of High Performance Liq
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2. Solvent specific test methods2.1
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• A mass balance requires a tempe
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*Jojoba oil (pronounced “ho-HO-ba
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properties of the recovered binder.
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Table 1. Coefficients of variationM
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• Temperature - Although binder h
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• Density - In general, a solvent
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2.5. The determination of the softe
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4. Evaluating the cost-effectivenes
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6. Conclusions and recommendationsT
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absorptive limestone). In this way
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13. Peterson, GD, Davison, RR, Glov
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in a location close to where the pr
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product identifier (product name);
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eye wash bottles and safety showers
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• reaction to naturally-occurring
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consulting the MSDS for the product
Page 45 and 46: those which could compromise an ind
Page 47 and 48: • Reactive chemicals May be sensi
Page 49 and 50: The following guidelines should be
Page 51 and 52: mercury air concentrations. If a la
Page 53 and 54: Be prepared to repeat the process i
Page 55 and 56: Leaking regulators, cylinder valves
Page 57 and 58: Peroxide-forming (e.g. ether) and e
Page 59 and 60: • Direct connections: Direct conn
Page 61 and 62: This guide is available on the UK H
Page 63 and 64: Factors that can increase the risk
Page 65 and 66: containers that may be contaminated
Page 67 and 68: Record each run in a logbook: keep
Page 69 and 70: • Gas chromatographs (GC): Gas ch
Page 71 and 72: Locate and know how to test and ope
Page 73 and 74: Do not remove a dressing that has b
Page 75 and 76: As soon as the flames are extinguis
Page 77 and 78: Appendix B - Recommendations for so
Page 79 and 80: • All packages in storage should
Page 81 and 82: Table 2.Examples of incompatible co
Page 83 and 84: Table 3. Suggested segregation for
Page 85 and 86: • Keep picric acid solutions wet
Page 87 and 88: peroxides. The radius shall be meas
Page 89 and 90: acute health effect - an effect tha
Page 91 and 92: 8 Corrosive; 9 Miscellaneous.ED50 (
Page 93 and 94: freezing point - the temperature at
Page 95: airborne substance, averaged over a
Page 99 and 100: • Many of the occupation exposure
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