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Control of Chemical Hazards cont'd - doe-hdbk-1139-1-2000_CN10033


DOE-HDBK-1139/1-2000
Change Notice No. 1
2.6 Control of Chemical Hazards
Control of chemical hazards should be carried out at all levels (i.e., site, facility,
and activity) following the same hierarchy of controls as any other health and safety
hazard, i.e., substitution, engineering, administrative, and personal protective
equipment. The level and rigor to which chemical hazards are controlled will
depend in part on regulatory or contract requirements, which may include WSS and
S/RIDS. For example, if the quantity of chemicals on site exceeds TQs, the OSHA
and/or EPA process safety standards would apply and a safety analysis may be
appropriate. Conversely, for quantities less than the TQs, the OSHA Permissible
Exposure Limits (PEL) or American Conference of Governmental Industrial
Hygienists (ACGIH) Threshold Limit Values (TLV) would establish the allowable
airborne concentrations to which workers may be exposed. In either case, a graded
approach should be applied in establishing the controls.
When controls for hazardous chemicals are established, they should be based on the
hazard analysis, including any additive or synergistic effects. All controls should
be evaluated using an integrated approach. Do not duplicate hazard analysis and
overlay controls, i.e., if two types of hazard are present which use similar types of
controls, the more protective control should be used.
To ensure control of chemical hazards, management should:
Cooperate with workers or worker representatives to form chemical safety
teams.
Substitute less hazardous chemicals, when possible.
Provide ventilation and/or enclosure, as needed.
Ensure that all chemicals are in appropriate containers with labels and that
29 CFR 1910.1200
MSDSs are readily accessible. Title 29 CFR 1910.1200, Hazard
Communication, contains important sections about labels and MSDSs, and 29
CFR 1910.1450, Laboratory Standard, also contains a relevant section.
29 CFR 1910.1450
Provide exposure monitoring, including medical surveillance. Management
should establish procedures for monitoring of workers who handle hazardous
chemicals. If worker exposure exceeds acceptable DOE or OSHA levels, an
investigation should be conducted and corrective actions instituted promptly.
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