1 - the Envirostor

prevent entry by off-site personnel. Security guards were provided during
off-hours to prevent entry by off-si te personnel.
4.4.1.5 Unstable Stackinq of Containers
Drums were stacked inside the building. All employees were warned to
approach these areas with caution. No one was permitted to walk or climb
on drums. Any obviously unstable drums were restacked or otherwise moved
to eliminate the potential of falling.
4.4.1.6 Manual Material Handling
Wherever possible, material handling was done mechanically. Fork1 ift
trucks for drum handling were used on-site. Where manual handling was
necessary, personnel were instructed in techniques of safe handling.
4.4.1.7 Confined Soaces
The drainage sump, sludge tank, dip tanks, and boiler tank were pumped
and/or cleaned during site activities. Entry into sump, sludge tank, dip
tanks, or boiler tank was required during cleaning. Confined space entry
and monitoring procedures were implemented during these activities, as
described in Section 4.5.
4.4.2 Chemical Hazards
Chemical hazards were encountered during the excavation activities and in
handling unknown materials found in containers on-site. The drum yard
soils were considered to be contaminated to varying degrees. All personnel
wore steel toed neoprene boots while working in the yard. Kneeling and/or
sitting directly on the ground was prohibited. Special procedures,
including air monitoring and upgrading of health and safety protection
levels, were implemented during excavating, cleaning and drum hand1 ing
activities.