Material Safety Data Sheets contents

Health and Safety Factors. The Material Safety Data Sheets provided by the suppUers should be consulted for each product. In general, products are aqueous emulsions with low levels of toxicity. Products with high solvent content have mostly been eliminated. Personnel handling the chemicals should always avoid contact of the products with skin and eyes, and avoid exposure to vapors if the product contains volatile components. 

Read and analyze the following excerpt from a Material Safety Data Sheet (MSDS) for barbecue lighting fluid. Comment on as many of the five essential writing components as you can audience and purpose, organization, writing conventions, grammar and mechanics, and science content. 

Label all vessels to indicate what they contain. An unlabeled bottle left and forgotten in a refrigerator or cabinet presents an expensive disposal problem, because the contents must be analyzed before they can be legally discarded. National Fire Protection Association labels shown in Figure 2-2 identify hazards associated with chemical reagents. A Material Safety Data Sheet provided with each chemical sold in the United States lists hazards and safety precautions for that chemical. It gives first aid procedures and instructions for handling spills. 

MSDS Material Safety Data Sheet a (legal) document that must accompany any supplied chemical that provides information on chemical content, physical properties, hazards, and treatment of hazards. The MSDS should be considered only a minimal source of information, and cannot replace additional information available in other, more comprehensive sources. 

An estimate of the toxicity or intrinsic hazard is needed for each material identified in the inventory. Such information for many chemicals in the form of a Material Safety Data Sheet (MSDS) are required by the OSHA Hazard Communication Standard. (Other countries have similar requirements.) Standard hazard-data sources may need to be consulted for those chemical compounds for which no MSDSs are presently available. Adequate hazard data may be lacking for various mixtures that are unique to the plant. For such mixtures, it may be necessary to analyze the contents and then estimate the overall hazard based on the individual components. 

Injections into the subcutaneous or intradermal sites do not require that the animals are anesthetized however, intradermal injections are significantly easier when the animals are unconscious or sedated. Metastatic potential does not seem to be affected by anesthetics at this step. Methoxyllurane (Metofane , Pitman-Moore) inhalation anesthetic is relatively inexpensive and effective for this purpose. A homemade anesthesia jar will suffice. Place a small volume of Metofane under a wire screen suspended above the floor of a container with a lid. Mice and rats will be unconscious within 3-5 min and the effects will last less than 5 min. It is crucial that the animals never come into contact with the fluid. Transdermal absorption can be lethal. Also, anyone using this inhalant should also be cognisant of the content within the Material Safety Data Sheets (MSDS) and the chances of pathologies if overexposed. Hint construct the anesthesia jar with a wire mesh that allows feces to drop as this maintains clean conditions. This provides for easier and more complete cleaning of the jar. 

The Material Safety Data Sheet (MSDS) should arrive at the chemical warehouse from the manufacturer or importer with the first shipment and whenever the MSDS is revised. As with labels, chemical warehouse employees are not required to know how to write a MSDS, but must be trained in how to understand their contents. 

Where complex mixtures have similar hazards and contents (i.e. the chemical ingredients are essentially the same, but the specific composition varies from mixture to mixture), the chemical manufacturer, importer or employer may prepare one material safety data sheet to apply to all of these similar mixtures. 

CFR1910.1200 41CFR101-42.202(a) through (c) 4.1.3 Identification and Documentation of Hazardous Materials - Actual or potential hazards associated with an excess hazardous material shall be documented with a Material Safety Data Sheet (MSDS) supplied by the manufacturer, distributor or importer. If an MSDS is not available, a Hazardous Materials Identification System (HMIS) record from the automated Department of Defense database is acceptable. If an MSDS or HMIS record is not available, a hazard identification document prepared by the owning DOE organization that meets the MSDS content requirements for hazardous chemicals set forth in the OSHA Hazard Communication Standard (29CFR1910.1200) shall be used. 

Section 4.1 consolidates the requirements for general employee information and training on hazardous chemicals in the workplace such as the location, availability and content of material safety data sheets (MSDSs) for the chemicals and chemical products being used or stored, methods to detect the presence of hazardous chemicals, personal protective measures, the details of the workplace hazard communications program, etc. 

Processors must be careful to find out if substances they are purchasing from outside vendors are subject to a SNUR. Manufacturers must inform purchasers of their chemicals if there is a SNUR in effect, and most will make a notation on the Material Safety Data Sheet (MSDS) for the subject chemical. However, some SNURs have specific requirements for MSDS contents. 

The aromatic content of carbon blacks and oils was once considered hazardous. Data were generated that showed that carbon black was stabilized and did not represent a hazard to workers. Resins for cure or tack, antioxidants, antiozonants, and cure accelerators also must be investigated to ensure that the materials and any impurities meet changing health and safety standards. Materials safety data sheets and chemical health and toxicity data must be maintained on all materials. 

Many authors used government and company websites as sources for updated Material Safety Data Sheets (MSDS) and information on the threshold limit values (TLV) for the airborne concentration of filler dusts in the workplace. Reliable information on possible risks to human health or the environment is extremely important to current and potential users of existing fillers, or new fillers of different origin and different particle size/shape characteristics. It should be recognized that health issues have been responsible in the past for the withdrawal from certain plastics markets of natural and synthetic fibrous fillers with unique properties such a as chrysotile asbestos, microfibers, whiskers and the recently mandated very low content of crystalline silica in mineral fillers. 

Material Safety Data Sheets (MSDSs) are required by OSHA s Hazard Communication Standard and chemical suppliers are required to provide copies of these for each chemical that it sells to its customers. MSDSs are written to inform workers who use chemicals in workplaces about the hazards associated with the chemicals. Their general structure and contents were described in Section 3.1.3. MSDSs have proved useful for many people, including those working in industrial workplaces who handle large quantities of chemicals, and also to emergency response personnel. Most MSDSs, however, do not focus on the use of chemicals in laboratories, where small quantities of many different chemicals are used in normal operations. Nevertheless, there can be much useful information found in these documents—particularly when making safety plans to work with a particular chemical. 

Be sure everyone is familiar with the biohazard safety procedures, the contents of the spill kit, the instructions for using the kit, and any material safety data sheet (MSDS) that may be included. 

It is essential that a Tank Contents label be attached to each mixing vessel (or indeed, in-line mixing rig), along with relevant Control of Snbstances Haz-ardons to Health (COSHH) sheets or Material Safety Data Sheets (MSDSs) for each material present. This ensures that anybody in the laboratory encountering a problem with a rig is aware of the materials present and appropriate safety precautions. 

A brief history of lab safety education since 1986 at the University of California, San Diego is presented along with the rationale for, and content of the various forms this education has taken. The use of electronic media in regulatory compliance includes environment, health and safety training, chemical inventory control, material safety data sheet repository and chemical hygiene plan documentation. A summary of present efforts and future goals is included. 

Table 6 Contents of European standard material safety data sheet, as defined by EC Directive 91/155/EEC.

Quality control of the materials should cover timber splices (species, dimensions, moisture content), metallic or FRP rods or plates (type, dimensions, roughness and anti-corrosion protection), and adhesives or grouts (type, storage conditions, shelf-fife, container condition). Adhesive products should be supplied in separate, clearly labelled closed packages in pre-weighed proportions (stoichiometric quantities), supplied by the manufacturer in batch coded containers. All materials used should require a Technical Data Sheet, as well as a Safety Data Sheet. Their handling and disposal must be properly controlled, monitored, documented and must follow the appropriate current regulations [72]. 

Both operators and supervision should be trained in the techniques for operating the plant, the process, materials used, their hazards and precautions to be taken, emergency procedmes and first aid. The training can be based on the content of the Operator Instmctions and the Manufacturing Procedmes and should include a study of the safety data sheets. The importance of following the safe methods of work and the reporting of any deviations from the stated operating parameters should be emphasised. 

Due to their reactivity, reactive adhesives and hardeners have to be stored according to special regulatory requirements. The containers of such materials should be labeled with the appropriate warning symbols and possible hazards associated with the content, as indicated in the safety data sheets. Nonetheless, under normal storage in their original packaging, they are not expected to pose any hazards. 

Such rules act as a constraint on the selection of additives and place a strong requirement for material information on specific additives. This may be provided through material data safety sheets (MSDS) and other means. Fortunately such information is increasingly available through Internet web sources. When analysing a formulation from the perspective of environmental rules it is important that the constituents of additive mixtures, present in many proprietary products, are broken back into their constituent parts. For example some additives contribute to the VOC content of the final product. 

SDSs used to be Material Data Safety Sheets (MSDSs) and the implementation of the GHS requires this change. Most of the content of this section refers equally well to SDSs and MSDSs. Historical references are more about MSDSs and current comments are about SDSs. You need to be comfortable in reading both kinds of documents, but they are so similar in nature except SDSs have information about GHS hazard identification that you will not find in MSDSs. We will refer mostly to SDSs in this section, with a few exceptions. 

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