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r, NATIONAL ADVERTISING COMPANY— ADDITIONAL SUBSURFACE INVESTIGATION HEALTH AND SAFETY PLAN 4.5.1 Water Supply A water supply will be used, consisting of the following: Potable Water. An adequate supply of potable water will be available for field personnel consumption. Potable water will be available for field personnel: consumption. Potable water -can be provided in the form of water bottles, canteens, water coolers, or drinking fountains. Where drinking fountains are not available, individual use cups will be provided as:well as adequate disposal containers. Potable water containers will be properly identified in order to distinguish them from non -potable water sources. Non -Potable Water. Non -potable water may be used for handwashing and cleaning activities. Non - potable water will not be used for drinking purposes. 4.5.2 Toilet Facilities A minimum of one toilet facility will be provided for every 20 employees. Separate facilities for each sex shall be provided unless there are less than five (5) total employees on site. Exceptions to this requirement will apply to mobile crews where work activities and locations 'permit transportation to nearby toilet facilities. i 4.5.3 Washing Facilities Employees will be provided washing facilities (e.g., buckets with water and Alconox®) at each work location. The use of water and hand soap (or similar substance) will be used by each employee following exit from the Exclusion Zone, prior to breaks and at the end of daily -work activities. 4.6 LIGHTING At a minimum, all portions of each work location will be sufficiently lit so that all surfaces are illuminated at 10 foot candles or greater.- Since work activities are expected to be conducted exclusively outdoors and during daylight hours-, the use of supplemental lighting is not .anticipated. However, should a need for supplemental lighting be identified (nightime work activities are required, etc.), its use will conform to the following requirements. Portable lighting may require the use of a portable generator to provide power. Care should be taken in the operation of this equipment. Only personnel trained in the operations and maintenance of generators will be permitted to operate the units. All electrical systems will include only Underwriters Laboratory (UL®) -approved components, and all usage will conform with the following safety requirements: . Grounding. The noncurrent -carrying metal parts of fixed, portable, or plug -connected equipment shall be grounded. Electrical connections shall include a ground -fault interrupter system. Ground wires shall be tested with an electrical resistance meter to assure conductivity as often as necessary to assure safety. Portable tools and appliances protected by an approved system of double insulation need not be grounded. k Extension Cords. Extension Cords shall be the three -wire type for grounded tools (two -wire is' permissible for double -insulated tools) and shall be protected from damage; do not fasten with staples or extend across an aisle way or walkway. Worn or frayed cords shall not be used. Cords shall not be run through doorways where the door could cut or damage them. Light Bulbs, Exposed bulbs on temporary lights shall be guarded to prevent accidental contact, except where bulbs are deeply recessed in the reflector. Temporary lights shall not be suspended by their electric cords unless designed for this use. Explosion -proof bulb covers shall be used when contact with flammable vapors orgases is likely and shall meet Class 1, Division I requirements. hslprojsuplcominachasp.doc 4-4 02/09/98 3