NYC 9/11 Public Portal Document
• ANSI - approved hard hat with bill facing forward
Work gloves (either leather or cotton)
Hearing protection (as necessary)
The above listed PPE ensemble, defined as Level D, shall be worn during all outdoor site
activities and inside of the building after clearance testing has been completed.
2.5.2 Level C PPE
Level C PPE shall be worn when working inside of the building (with the exception of
previously cleaned areas such portions of the basement occupied by field offices) during
all Phase I activities, except for concrete jack hammering in enclosures. Level C PPE
consists of:
Full-face powered air-purifying respirator (PAPR) with HEPA filter approved by the
National Institute for Occupational Safety and Health (NIOSH)/Mine Safety and Health
Administration (MSHA)i. Half-face air-purifying respirators (APR) may be used during
work preparation activities.
Gloves - nitrile inner; chemical resistant outer (nitrile or neoprene)
is ANSI-approved safety boots
ANSI—approved Eye protection — safety glasses or goggles
ANSI-approved Hard hat with bill facing forward
Tyvek coveralls with head cover (Two layers Tyvek or equivalent)
Water-resistant overboots which are treaded to provide slip protection
Hearing protection (as necessary)
2.5.3 Level B PPE
Level B PPE may be required during jack hammering concrete in enclosures during the
installation of the cement chute unless engineering controls are instituted incorporating
local exhaust ventilation at the point of dust generation until personal air monitoring
confirms that the level of silica is below the OSHA action level. Level B PPE consists of:
Self-Contained Breathing Apparatus (SCBA) or combination airline/SCBA approved by
the National Institute for Occupational Safety and Health (NIOSH)/Mine Safety and
Health Administration (MSHA).
• Gloves - nitrile inner; chemical resistant outer (nitrile or neoprene)
The Copper Group —133-135 Greenwich Street & 21-23 Thames Street
Airtek Project 05=0710 - Phase I HASP 6-&05 Page 22 of 40
NYC-WTC 000127759
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