Safety 1st Advancer Betreibershandbuch PDF herunterladen (Seite 119)

Environmental Remediation Drilling

Safety Guidelines

Page 119 of 132

7.1 - General Chemical Safety

Assume all chemicals are hazardous. The number of hazardous chemicals and the number of reactions

between them is so large that prior knowledge of all potential hazards cannot be assumed. Use chemicals

in as small quantities as possible to minimize exposure and reduce possible harmful effects. The following

general safety rules shall be observed when working with chemicals:

Read and understand the Material Safety Data Sheets.

Keep the work area clean and orderly.

Use the necessary safety equipment.

Carefully label every container with the identity of its contents and appropriate hazard warnings.

Store incompatible chemicals in separate areas.

Substitute less toxic materials whenever possible.

Limit the volume of volatile or flammable material to the minimum needed for short operation periods.

Provide means of containing the material if equipment or containers should break or spill their contents.

Task Evaluation

Each task that requires the use of chemicals should be evaluated to determine the potential hazards

associated with the work. This hazard evaluation or JSA must include the chemical or combination of

chemicals that will be used in the work, as well as other materials that will be used near the work.

Chemical Storage

The separation of chemicals (solids or liquids) during storage is necessary to reduce the possibility of

unwanted chemical reactions caused by incidental mixing. Explosives should be stored separately

outdoors. Use either distance or barriers (trays) to isolate chemicals into the following groups:

• Flammable Liquids - store in approved flammable storage lockers.

• Acids - treat as flammable liquids

• Bases - do not store bases with acids or any other material

• Other liquids - ensure other liquids are not incompatible with any other chemical in the same storage

location.

• Restraints and Containment - Lips, strips, or bars are to be installed across the width of storage shelves

to restrain the chemicals in case of earthquake or unexpected shock.

• Chemicals shall not be stored in the same refrigerator used for food storage. Refrigerators used for

storing chemicals must be appropriately identified by a label on the door.

Container Labels

It is extremely important that all containers of chemicals are properly labeled. This includes every type of

container from a 5000 gallon storage tank to a spray bottle of degreaser. The following requirements apply:

• All containers shall have the appropriate label, tag or marking prominently displayed that indicates the

identity, safety, and health hazards. The name and address of the manufacturer or importer must also

be provided.

• Portable containers which contain a small amount of chemical need not be labeled if they are used

immediately that shift, but must be under the strict control of the employee using the product.

• All warning labels, tags, and markings must be maintained in a legible condition and not be defaced or

removed. Facility weekly supervisor inspections shall check for compliance of this rule.

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