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Bradburn, Briller&Johnson, LZC • Health&Safety Plan LEVEL B: Level B is used when maximum respiratory protection is desired, but the skin/eye hazards do not require Level A. Level B is required when: • The highest level of respiratory protection is needed, but a lower level of skin protection is acceptable; • The type of substances have been identified; • A self-contained breathing apparatus(SCBA)is required;and, • Less skin protection is need (i.e., vapor and gases are not believed to contain high levels of chemicals harmful to skin or capable of being absorbed through intact skin). LEVEL C: Level C provides less skin and respiratory protection. Level C is required when: • The concentration(s) and type(s) of airborne substance(s) are known and the criteria for using an air-purifying respirator are met; • Direct contact with the hazardous substance will not harm the skin, or the substance will not be absorbed through exposed skin; • Air contaminants have been identified, concentrations measured, and an air purifying respirator (APR)is available that can remove the contaminants; and, • An adequate level of oxygen (>19.5%) is available, and all other criteria for the use of APRs are met. LEVEL D: Level D offers no respiratory protection and low protection against skin contact. Level D is required when: • Minimal protection from chemical exposure is needed. It is worn to prevent nuisance contamination only when the atmosphere contains no known hazards and work functions preclude splashes, immersion, or the potential for inhalation of or contact with hazardous levels of any chemicals. The level of PPE required for the scope of work outlined herein is indicated in Appendix A. 4.5 Confined Space Entry Not applicable for this project unless noted in Appendix A. 8