GB/T 11651-2008Code of practice for selection of personal protective equipment (English PDF)

4.1 According to the main hazard characteristics and working conditions in the

working environment, it is divided into 39 operation categories, as shown in

Table 1.

Table 1 -- Examples of operation categories and main hazard characteristics

S/N Job category Descriptions Possible accident type Example

A01 Operation where objects fall or hit

The operation of falling objects or collision of objects in the horizontal direction Object strike and collision

Construction and installation, bridge construction, mining, drilling, shipbuilding, lifting, deforestation

A02 Operation with debris splashing

Operations where there may be cutting and splashing operations during processing

Crushing, hammering, casting cutting, grinding wheel grinding, high pressure fluid cleaning

A03 Operation of rotating machinery

The operation during the operation of mechanical equipment which may cause damage by twisting and grinding Mechanical injury

Machine tools, transmission machinery

A04 Operation with sharp appliances

Production tools or processed products used in production are likely to cause injuries such as cuts and stab wounds during operators

Deburring and edge cleaning for metal processing, glass assembly and processing

A05

The operation where there are sharp objects on the ground

The operation where the work surface may cause stab injuries to the workers' feet or legs

Others Forest operations, construction sites

A06 Hand-held vibration machinery operation

The mechanical vibration or impact operation during which the hand- held vibrating tools are used in production, which directly acts on the human arm system

Mechanical injury

Air drill, air shovel, chain saw

A07

Operation with people subjected to whole body vibration

Operation under vibration or in an unbearable vibration environment

Field machinery driving, forestry operations

A08

Shoveling, loading, lifting, pushing machinery operation

Operation and driving of heavy excavation, construction, loading and lifting equipment with small range of activities

Other transportation injuries

Operate machinery such as shovels, bulldozers, loaders, cranes, gantry cranes, tower cranes, single-arm cranes, etc.

Table 1 (continued)

S/N Job category Descriptions

Possible accident type

Example

A19

Operation of inhaled gas- phase poisons

Operations in the workplace where toxic substances will produce after inhaling the gas or vapor at normal temperature and pressure through the respiratory tract

Poison injury

Operations exposed to chlorine gas, carbon monoxide, hydrogen sulfide, vinyl chloride, phosgene, mercury

A20 Operation in a confined place

Operation in a place with no air circulation, including operation in a place where there is no oxygen, that is, the oxygen concentration in the air is less than 18% and the toxic gas and toxic aerosol exceed the limited and cannot be removed

Affect breathing

Airtight tanks, warehouses, tunnels or drainage systems, furnaces, kilns, confined spaces for storing oxygen-consuming appliances or organisms for oxygen consumption

A21

Operation of inhaled aerosol poison

Operations in the workplace where toxic substances will produce after inhaling the aerosol at normal temperature and pressure through the respiratory tract

Poison damage

Operation in contact with fumes and dust of toxic metals and compounds such as aluminum, chromium, beryllium, manganese and cadmium, asphalt fumes, silica dust, asbestos dust, other harmful animal (plant) physical dust

A22 Contaminated poison operation

Operations in workplace where substances may adhere to skin, clothing; after skin absorption, it may cause poisonous damage to skin

Operation in exposure to organic phosphorus pesticides, organic mercury compounds, benzene and benzene di- and trinitro compounds, radioactive materials

A23 Biological poison operation

Operation in the workplace where there is a risk of infection or absorption of biological toxins

Poison damage

Toxic animal and plant breeding, biological toxin culture preparations, processing of products carrying bacteria or containing biological toxins, treatment of rotten articles, epidemic prevention inspection

A24 Noise operation Operation in an environment with a sound level greater than 85 dB Others

Pneumatic drill, air hammer, riveting, knocking or rust shoveling in steel cylinder

A25 Operation in strong light

Operation where there is strong light source or which produces strong infrared radiation and ultraviolet radiation

Radiation damage

Arc light, arc welding, furnace operation

A26 Laser operation Operation of laser emission and processing

Laser processing metal, laser welding, laser measurement, laser communication

A27 Fluorescent screen operation

Operation of long-term engagement in fluorescent screen’s operation and identification

Computer operation, TV debugging equipment

See Table 2 for a description of the protective property of commonly used personal protective equipment.

Table 2 -- Description of the protective property of personal protective equipment

S/N Type of protective equipment Description of protective property

B01 Working cap Prevent dirt on the head, abrasions, and long hair being crushed

B02 Safety helmet Prevent objects from causing impact, puncture, squeeze and other injuries to the head

B03 Winter hat Defense against frostbite on the head or face

B04 Impact-resistant safety helmet Prevent the head from violent impact, for high-speed vehicle drivers to wear

B05 Dust mask (anti-particle respirator)

It is used in the dust working environment with more than 19.5% oxygen in the air, to prevent the inhalation of general dust, and to prevent particulate matter (such as toxic fume, toxic mist) from harming the respiratory system or the eyes and face

B06 Gas mask

Isolate the wearer's respiratory organs from the surrounding atmosphere, controlled by the lungs or use mechanical force to introduce clean air through the airway for human breathing

B07 Air respirator Prevent inhalation of harmful gases, fumes, harmful pollutants suspended in the air or use in the hypoxia environment

B08 Self-rescuer

It is small in size and light in portability; it can be used by miners in a short time. When an accident occurs in a coal mine, the miner wears it and can quickly leave the disaster area through a well filled with harmful gases

B09 Waterproof goggles Use in water to prevent water damage to eyes

B10 Anti-shock goggles Protect against eye damage caused by iron filings, sand, gravel and other objects

B11 Anti-microwave goggles Shield or attenuate microwave radiation to prevent microwave damage to the eyes

B12 Anti-radiation goggles Protection against eye damage caused by X, Y rays, electron flow and other ionizing radiation

B13

Anti-glare, ultraviolet, infrared goggles or face shield

Prevent one or more of visible light, infrared and ultraviolet rays from harming eyes and face

B14 Laser goggles Attenuate or eliminate the harm of laser to human eyes by reflection, absorption, actinism, etc.

B15 Welding shield Protection against harmful factors such as harmful arcs, molten metal splash or dust, etc. to the eyes and face (including neck)

B16 Anti-corrosion liquid goggles

Protects against human eyes from splashes of corrosive chemical liquids such as acids and alkalis

B17 Sunglasses Block strong sunlight and ultraviolet rays, prevent dazzling light and dazzling light, improve visual clarity

B18 Earplugs Protection against hearing damage to workers exposed to strong noise

Table 2 (continued)

S/N Type of protective equipment Description of protective property

B45 Welding protective shoes

Protect the foot from sparks, molten metals, hot metals, and high-temperature radiation from welding operations

B46 General protective clothing

The fabric is used and it is made by the sewing process, which plays a general protective role

B47 Dustproof clothing Breathable (wet) fabric or material, to prevent the damage of general dust to the skin; it can prevent the accumulation of static electricity

B48 Waterproof clothing Use waterproof rubber coated fabric as facing material to prevent water penetration and leakage

B49 Marine operation clothing Prevent falling in water and drowning, easy to rescue

B50 Diving suit For diving operation

B51 Winter clothing With heat preservation performance; it is used for cold protection of workers working outdoors in winter or workers working in low temperature environment all year round

B52 Chemical protective clothing

To prevent the splash of hazardous chemicals and the harm caused to human body by contact with human body

B53 Flame retardant protective clothing

Used by workers engaged in open flames, emitting sparks, operating near molten metal with radiant heat and convection heat, and in places with flammable materials and fire hazards. After contact with flames and hot objects, within a certain period of time, it can prevent itself from being ignited, flaming and smoldering

B54 Anti-static clothing It can eliminate the static electricity accumulation hazard in time and is used in places where electric shock, fire and explosion hazards may occur

B55 Welding protective clothing

Used in welding operations, to prevent workers from being exposed to molten metal splashes and their thermal damage

B56 White-canvas insulation suit Prevent damage from general thermal radiation

B57 Reflective-film coated thermal insulation suit Prevent contact with high-heat materials or intense heat radiation’s damage

B58 Thermal protective clothing Protection against high temperature, high heat, high humidity

B59 Anti-radioactive clothing Has anti-radioactive properties

B60 Acid (alkaline) - proof clothing

Used for wearing by acid (alkali) - exposed workers, with (alkaline) - proof performance

B61 Oil-proof clothing Defense against oil contamination

B62 Life jacket (ring) Prevent drowning after falling into water, easy to rescue

B63 Shielding suit for live work

When conducting live work on 10 kV ~ 500 kV electrical equipment, protect the human body from the effects of high voltage electric fields and electromagnetic waves

B64 Insulating clothing Can prevent high voltage below 7000 V, used for body protection when live working

Table 3 (continued)

Operation category

Applicable protective equipment Recommended protective equipment S/N Category

A04 Operation exposed in sharp appliances

B30 Mechanical damage proof gloves

B46 General protective clothing

B02 Helmet

B39 Anti-smashing shoes (boots)

B41 Anti-puncture shoes

A05 Operation where there are sharp objects on the ground B41 Anti-puncture shoes B02 Helmet

A06 Hand-held vibration machinery operation

B18 Earplugs

B19 Earmuffs

B29 Anti-vibration gloves

B38 Anti-vibration shoes

A07 Operation subjected to whole body vibration B38 Anti-vibration shoes

A08 Shoveling, loading, lifting, pushing machinery operation

B02 Helmet

B46 General protective clothing

B05 Dust mask (anti-particle respirator)

B10 Anti-shock goggles

A09 Low voltage live work (below 1 kV)

B31 Insulating gloves

B42 Insulating shoes

B64 Insulating clothing

B02 Safety helmet (electric insulation)

B10 Anti-shock goggles

A10 Live work

When working on 1 kV -

10 kV live equipment

B02 Safety helmet (electric insulation)

B31 Insulating gloves

B42 Insulating shoes

B64 Insulating clothing

B10 Anti-shock goggles

B63 Shielding suit for live work

B65 Arc protection suit

When working on 10 kV

- 500 kV live equipment B63 Shielding suit for live work

B13 Anti-glare, ultraviolet, infrared goggles or face shield

A11 High temperature operation

B02 Helmet

B13 Anti-glare, ultraviolet, infrared goggles or face shield

B34 Thermal insulation and flame retardant shoes

B56 White-canvas thermal insulation suit

B58 Thermal protective clothing

B57 Reflective-film coated thermal insulation suit

B71 Other sporadic protective equipment

A12 Operation in flammable and explosive places

B23 Anti-static gloves

B35 Anti-static shoes

B52 Chemical protective clothing

B53 Flame retardant protective clothing

B54 Anti-static clothing

B66 Cotton overalls

B05 Dust mask (anti-particle respirator)

B06 Gas mask

B47 Dustproof clothing

A13 Operation in flammable dust places

B05 Dust mask (anti-particle respirator)

B23 Anti-static gloves

B35 Anti-static shoes

B54 Anti-static clothing

B66 Cotton overalls

B47 Dustproof clothing

B53 Flame retardant protective clothing

Table 3 (continued)

Operation category

Applicable protective equipment Recommended protective equipment S/N Category

A24 Noise operation B18 Earplugs B19 Earmuffs

A25 Strong light operation

B13 Anti-glare, ultraviolet, infrared goggles or face shield

B15 Welding shield

B22 Welding gloves

B45 Welding protective shoes

B55 Welding protective clothing

B56 White-canvas thermal insulation suit

A26 Laser operation B14 Anti-laser goggles B59 Anti-radioactive clothing

A27 Fluorescent screen operation B11 Anti-microwave goggles B59 Anti-radioactive clothing

A28 Microwave operation B11 Anti-microwave goggles B59 Anti-radioactive clothing

A29 Ray operation

B12 Anti-radiation goggles

B25 Anti-radioactive gloves

B59 Anti-radioactive clothing

A30 Operation exposed to corrosive medium

B01 Working cap

B16 Anti-corrosion liquid goggles

B26 Acid and alkali resistant gloves

B43 Acid and alkali resistant shoes

B60 Acid (alkaline) - proof clothing

B36 Chemical-resistant shoes (boots)

A31 Contamination-prone operation

B01 Working cap

B06 Gas mask

B05 Dust mask (anti-particle respirator)

B26 Acid and alkali resistant gloves

B35 Anti-static shoes

B46 General protective clothing

B52 Chemical protective clothing

B27 Oil-resistant gloves

B37 Oil-resistant shoes

B61 oil-proof clothing

B69 Labor skin care agent

B71 Other sporadic protective equipment

A32 Bad odor operation

B01 Working cap

B06 Gas mask

B46 General protective clothing

B07 Air respirator

B71 Other sporadic protective equipment

A33 Low temperature operation

B03 Winter hat

B20 Cold protection gloves

B33 Winter shoes

B51 Winter clothes

B19 Earmuffs

B69 Labor skin care agent

A34 Manual handling operations

B02 Helmet

B30 Mechanical damage proof gloves

B68 Safety net

B40 Anti-slip shoes

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