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acids and bases as activators and etchants, metals in plating solutions, and <br /> small quantities of diesel fuel for generators. Six groundwater samples <br /> will be collected by punching a rod to groundwater and immediately <br /> collecting a sample. Therefore, the potential for contact with possible <br /> contaminants is very low as no dust is generated and contact with soils is <br /> minimal. <br /> Due to the nature of the work activities, the potential contact with <br /> impacted soil is extremely low, if at all. Therefore, routine on-site worker <br /> exposure monitoring will not be required. However, if odors or upper <br /> respiratory irritation is noted AT ANY TIME AND FOR ANY DURATION <br /> during the project, work will immediately cease and the project manager <br /> will consult with the Director of Health and Safety regarding protective <br /> measures and monitoring required to continue work. In addition, if the <br /> scope of work changes wherein the potential for contact with impacted soil <br /> increases (e.g., hollow stem auger drilling), routine breathing zone <br /> monitoring with a PID will be necessary. <br /> Diesel. Diesel is a mix of hydrocarbons, chiefly of the methane series <br /> having 10 to 16 carbon atoms per molecule. It is a severe skin irritant <br /> with systemic effects by ingestion. It is combustible when exposed to <br /> heat or flame and can react with oxidizing materials. The vapor is also <br /> moderately explosive when exposed to heat or flame. <br /> Corrosives (Acids. Bases and Oxidizers). Corrosives are strong irritants <br /> of the eyes, mucous membranes, and skin. Inhalation may cause upper <br /> respiratory irritation and exposure to skin and mucous membranes <br /> may cause chemical burns. Repeated exposure to skin may cause <br /> dermatitis. Examples of common corrosives are hydrochloric acid <br /> (acid), sodium hydroxide (base), and hydrogen peroxide (oxidizer). <br /> Current PELs for these chemicals are listed as 5 ppm, 2 mg/M3, and 1 <br /> ppm, respectively. Appropriate gloves should be worn whenever <br /> handling corrosives. Exposed skin or mucous membranes should be <br /> immediately rinsed with water for at least 15 minutes. Oxidizers react <br /> strongly with combustible materials and may cause fire. <br /> 5. Physical Hazards <br /> Potential health and safety hazards that may be encountered during tasks <br /> are the following: <br /> • Heavy equipment; <br /> • Noise; <br /> • Slips, trips and falls; <br /> • Electrical sources; and <br />