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Site Health and Safety Plan ENSAFE RS&H Stockton Metropolitan Airport, Stockton, California January 27, 2020 The SSHO must review/approve any decision to deviate from specified levels of PPE as indicated by the task specific THAs in Attachment H. Table 1 presents a general explanation of levels of PPE which may be employed onsite, and the criteria for upgrades. Specific information pertaining to the PPE level to be employed for specific tasks will be expressed by use a JHA or equivalent. Table 1 Level of Protection and Criteria Level of Protection Criteria for Use Equipment • Positive-pressure,full face piece,self- • When atmospheres are"immediately dangerous to life contained breathing apparatus(SCBA)or and health"(IDLH according to the NIOSH/OSHA supplied air respirator(SAR)with escape Pocket Guide to Chemical Hazards or other guides). SCBA. • When known atmospheres or potential situations exist Fully encapsulating chemical-protective that could affect the skin or eyes or be absorbed into suit. the body through these surfaces. Consult standard Chemical-resistant inner and outer gloves. references to obtain concentrations hazardous to skin, Level A eyes,or mucous membranes. • Steel toe and steel shank chemical- • Potential situations include those where immersion may resistant boots. occur,vapors may be generated,or splashing may occur through site activities. Hard hat under suit. • Where atmospheres are oxygen-deficient. • Two-way radios worn inside suit. • When the type(s)and or potential concentration of • Optional: coveralls, long cotton toxic substances are not known. underwear,disposable protective suit, gloves and boots,over fully encapsulating suit. • Chemical-resistant coveralls(Saranex • When respiratory protection is warranted and cartridge or equivalent). respirators are not appropriate. Examples of these conditions are: • Positive-pressure,full-face SCBA or SAR with escape bottle. • When work area may contain less than 19.5%oxygen, Level B • Hard hat. • When expected contaminants do not have appropriate warning properties,e.g.,vinyl chloride,or • Chemical-resistant outer and inner gloves. • When cartridges are not available to protect against all • Steel toe and steel shank boots. chemicals of potential concern. Chemical-resistant outer boots. • Chemical-resistant coveralls(Tyvek or • When respiratory protection is warranted and cartridge equivalent). respirators are appropriate. Full-face,air-purifying respirator equipped • When DRI readings exceed the action level. with cartridges suitable for the hazard. Level C • When air monitoring indicates sustained airborne • Hard hat. concentration of a chemical is 50%or more of the PEL or TLV. • Chemical-resistant outer and inner gloves. • When the work area contains at least 19.5%oxygen. • Steel toe and steel shank boots. • Disposable outer boots. 26