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Los Alamos National Laboratory Chemical Management Program
1.0 Introduction and Scope
Chemical safety management at the Los Alamos National Laboratory (LANL) is addressed through the
Chemical Management Laboratory Implementation Requirements (LIR 402-510-01.0) and is
implemented under Integrated Safety Management (ISM) by the Division Directors and Group Offices.
The Chemical Management LIR defines the LANL Chemical Management Program implemented to
protect worker health and safety, prevent pollution, assist emergency management and response, protect
the environment, and minimize waste by controlling chemical activities. This document applies to all
work areas in which chemicals are manufactured, machined, handled, received, distributed, transported,
used, or stored. Activities covered by the LIR include maintenance, construction, research and
development, environmental restoration, and decontamination and decommissioning of LANL facilities
and equipment that involve the use of chemicals or the existence of chemical residues.
2.0 Chemical Life-cycle Program
The ES&H Division maintains LANL's Automated Chemical Inventory System (ACIS). Only those
personnel authorized by their supervisor, who are knowledgeable of the effects of hazardous chemicals,
can procure and receive chemicals. All chemical containers must have an "owner," and this owner must
be a qualified chemical worker. Individuals with appointments of less than 1 year, visitors,
undergraduate, and high school students may not be chemical owners. The immediate supervisor for the
latter classifications of workers is the chemical owner.
LANL maintains a chemical inventory on the ACIS, which is a Laboratory-wide chemical inventory
system. LANL's explosive and special nuclear material inventories are maintained on separate inventory
systems for security reasons. Water, sand, saline solutions, chemicals of biological origin (DNA, RNA,
immunochemicals, antibodies, enzymes, peptides), and office supplies (e.g., whiteout, toner, marker
board cleaner, ink) are not tracked in ACIS. If a component of a consumer product is regulated, makes
the product or container a hazardous waste, poses a health or physical hazard to workers (i.e., 1 percent
hazardous chemical or 0.1 percent carcinogen, or the contents are stored under high pressure), it is tracked
in the ACIS. Consumer products are tracked in ACIS when the product is used differently from the
normal consumer use or is used in greater quantities or concentration than by the general public. As bar-
coded containers are emptied, they are marked as "disposed" in ACIS. When a container is disposed, any
remaining chemical becomes waste.
The ES&H Division maintains a web site where MSDSs are available for review for HazCom (Hazard
Communication Program) and chemical hygiene plans. MSDS data are collected to satisfy EPCRA
reporting requirements and to complete waste disposal forms. All chemical disposals are performed in
accordance with General Waste Management Requirements (LIR 404-00-02.2). The Facility and Waste
Operations Division is responsible for pickup of waste and deposition to treatment facilities.
2.1 Hazard Identification and Analysis
All onsite work is performed based on two LIRs: "Documentation of Safe Work Practices" (LIR 300-00-
02.2) and "Hazard Analysis and Control for Facility Work" (LIR 402-10-01.4). These LIRs ensure that
the work is screened consistently to uniform criteria and that hazards are appropriately analyzed and

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