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PES Environmental, Inc. 4.10 Tool and Equipment Hazards Improper tool handling and inadequate too maintenance will increase risk of injury during their use. Management of these hazards requires rigorous maintenance of tools and equipment. The contractor is responsible for effective training of employees in the proper use of the tools. Hand tools that are damaged shall be tagged and removed from the work area. Equipment in need of maintenance or repair shall be tagged and removed from operation until repairs or replacement is accomplished. Only tools with immediate use will be present on site. Unused tools shall be assembled at a collection point and removed from underfoot and immediate use. 4.11 Fire Hazard Control Site operations may be conducted in area where dense vegetation is evident. Caution will be used to prevent sparks or open flames within the vicinity of vegetation. When welding or cutting, be sure hot sparks or slag does not come in contact with flammables. An approved A or B fire extinguisher, sufficient in size, will be immediately available (usually 25 feet) when welding or cutting. All heavy equipment (drill rigs, loaders, backhoes, dozers, etc.) shall have a minimum of one 5-pound AB fire extinguisher mounted on it. A minimum of one AB fire extinguisher shall be at each remediation site. Only approved containers will be used for storing flammable liquids. Oily rags and waste will be placed in appropriate containers. Fire protection equipment will be used for fire fighting only. The proper use and location of fire extinguishers will be known by all employees. Gasoline or other flammable liquids will not be used for cleaning. All fire hazards will be reported to the site superintendent immediately. Fire and emergency access lanes will be kept clear at all times in order to facilitate equipment entry and exit. The vacuum truck onsite will be electrically grounded. This will provide a pathway for any unintended electrical current to return to the ground without causing any danger of creating sparking. 4.12 Bird Excrement and Amplified Fungal Growth Depending on the construction and age of a building or structure, bird or bat roosting areas may be identified by the presence of droppings (guano). Due to the presence of bacteria and fungi, exposure to bird excrement can precipitate asthma attack and induce severe respiratory infections such as psittacosis which is an atypical pneumonia marked by a very high fever. Direct fungal infection of the lungs may also produce an infection that is difficult to treat. As a result, personnel required to work in an area where such roosting activity has occurred will be required to wear the following PPE: • At a minimum, a half-face air-purifying respirator with HEPA filters; • Full body disposable coveralls, including hood; 148400101H002.doc 8