Module 7 - IAFF

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IAFF Training for Hazardous Materials: Technician© NFPA Compliant vs. Non-compliant Student Text With the introduction of the NFPA standards regarding chemical protective clothing, a minimum performance and construction standard was established. This standard allows for direct comparison between certified garments from different manufacturers. Some jurisdictions may find that a combination of both compliant and non-compliant garments best suits their individual needs. Advantages/Limitations of Compliant Garments • Known test results for battery of chemicals as an ensemble (all pieces of protection) • Meets certain wear/tear resistance values as an ensemble • Meets certain flammability standards as an ensemble • Level A and B protects breathing apparatus • May cost significantly more than non-compliant garments (initial cost and replacement cost) • May not meet jurisdiction’s needs for chemical compatibility Advantages/Limitations of Non-Compliant Garments • Reduces cost • Generally lighter in weight • Many non-compliant garments are designed as limited use • May protect against specific hazards as well as, or better than, compliant garments • Unknown or undocumented wear/tear resistance data • Requires the additional research and purchase of additional items (boots, gloves) to complete the ensemble Other Issues Sizing Sizing is an important issue in the field of chemical protective clothing. The NFPA addresses this problem in their standards. In any case, response personnel should ask manufacturers to provide sample garments of various sizes so that the personnel who will use the garments can judge the best size for them. Working in chemical protective clothing that is too large or too small will add significantly to the stress of work activities. Identification Identification of garments is also recommended. Not only should garments be marked for record keeping operations (e.g., serial numbers), garments should also have markings recognizable from a distance. This allows safety observers to identify the different personnel working in the Hot Zone. These markings can be ordered from the manufacturer or approved tags or signs can be added as necessary. 7-104 Module 7: Personal Protective Equipment
Student Text IAFF Training for Hazardous Materials: Technician© Design The individual construction of clothing should be considered. There are front entry suits, side entry suits or rear entry suits manufactured in both compliant and non-compliant versions. Area Hazards The jurisdiction should complete a hazard survey and analysis to determine what hazards are stored or transported through the area. The analysis should include estimations of likely releases and affected populations. This type of data should be available from the Local Emergency Planning Committee and anecdotal information from past experience. The jurisdiction must then decide what level of service they wish to provide. Providing Level A service will increase cost of service but may be necessary considering the hazards in the jurisdiction. Personnel The availability of sufficient personnel should be considered. Hazardous materials mitigation by Technicians is a personnel-intensive operation. A minimum of four personnel is required when CPC is used. This includes at least one person to supervise, personnel for decontamination, personnel for donning and doffing. These must be dedicated personnel and not assigned to carry out other site activities such as site control or research. Some jurisdictions may choose to have a core of trained Technicians supported by well crosstrained personnel to perform donning, doffing and decontamination. Another option is to become part of a regional team or team based on mutual aid agreements. Certification Even with NFPA compliant garments, there are major differences regarding the use of the garments. Many manufacturers, in order to meet the flame resistance, flash protection and abrasion resistance criteria, manufacture a lighter weight chemical protective garment and a separate aluminized fiberglass, Nomex or PBI oversuit. These two items must be used together to meet the NFPA certification. Other manufacturers produce a single garment that meets the specifications. This CPC is usually more expensive and slightly heavier. Jurisdictions should take this into account when specifying and purchasing chemical protective clothing. Testing Manufacturers regularly test for chemical resistance against a variety of chemicals other than those specified by the NFPA. Most will test against a specific chemical if the jurisdiction pays for the test. Test results allow the purchaser to compare resistance data from many sources and choose the material and garments best suited to their needs. Manufacturers should provide this data with their garments or upon request. Module 7: Personal Protective Equipment 7-105
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