, PLEASE USE THIS DOCUMENT AS A GUIDE ONLY
QUESTION 1
1. A furniture manufacturing company employs 120 workers. Employees in the sanding section
have complained about eye irritation, coughing, and breathing difficulties. During a workplace
inspection, management observed excessive wood dust in the air, poor housekeeping practices,
and workers not consistently wearing dust masks. No occupational hygiene survey has been
conducted in the past three years. As the newly appointed Occupational Hygiene Officer, you are
requested to investigate the situation and propose corrective measures.
1.1 Identify and classify the workplace hazards present in the sanding section.
The sanding section of the furniture manufacturing company presents several workplace hazards that
require immediate attention. The primary hazard identified is excessive wood dust in the air, which is
classified as a chemical hazard in the form of airborne particulate matter. Wood dust is considered a
hazardous chemical substance that can cause adverse health effects when employees are exposed to
sufficient quantities over a period of time (MNO2608, Study Guide, p. 55).
Wood dust falls under the category of particulates that can be inhaled and poses significant
respiratory risks. The poor housekeeping practices observed contribute to the accumulation of wood
dust on surfaces, creating secondary hazards such as slip and trip risks, which are classified as safety
hazards. Additionally, the inconsistent use of dust masks indicates a potential administrative control
failure, as personal protective equipment is not being effectively utilized. The sanding process itself
generates significant amounts of fine wood dust particles that become suspended in the breathing
zone of employees, making this a critical area for intervention. The wood dust may contain various
chemical compounds depending on the type of wood being processed, and certain wood species are
known to be sensitizers or irritants, which further classifies this as a toxicological hazard (Schoeman,
2020, p. 137). The combination of these hazards creates a complex risk profile that affects multiple
organ systems and requires comprehensive control measures.
1.2 Explain how these hazards could affect employee health through the relevant routes of
entry.
The wood dust present in the sanding section can affect employee health primarily through the
inhalation route of entry, which is the most significant pathway for respiratory hazards. When
employees breathe in wood dust particles, these particulates enter the respiratory system and can
cause immediate effects such as eye irritation, coughing, and breathing difficulties, as reported by the
employees (MNO2608, Study Guide, p. 47). The inhalation route allows wood dust to penetrate deep
into the lungs, where it can trigger inflammatory responses and allergic reactions. Over time, chronic
exposure to wood dust can lead to the development of occupational asthma, bronchitis, and other
respiratory conditions that significantly impair lung function (Schoeman, 2020, p. 106).
The size of the wood dust particles is critical, as smaller particles can reach the alveolar region of the
lungs where gas exchange occurs, leading to more severe health effects. Ingestion is another
potential route of entry, as wood dust can settle on surfaces and contaminate food and beverages
consumed in the workplace, although this is less common than inhalation. The absorption route
through the skin is also possible, as wood dust can cause contact dermatitis and allergic skin
reactions in sensitive individuals, particularly when handling certain wood species known to be
irritants or sensitizers (MNO2608, Study Guide, p. 42).
QUESTION 1
1. A furniture manufacturing company employs 120 workers. Employees in the sanding section
have complained about eye irritation, coughing, and breathing difficulties. During a workplace
inspection, management observed excessive wood dust in the air, poor housekeeping practices,
and workers not consistently wearing dust masks. No occupational hygiene survey has been
conducted in the past three years. As the newly appointed Occupational Hygiene Officer, you are
requested to investigate the situation and propose corrective measures.
1.1 Identify and classify the workplace hazards present in the sanding section.
The sanding section of the furniture manufacturing company presents several workplace hazards that
require immediate attention. The primary hazard identified is excessive wood dust in the air, which is
classified as a chemical hazard in the form of airborne particulate matter. Wood dust is considered a
hazardous chemical substance that can cause adverse health effects when employees are exposed to
sufficient quantities over a period of time (MNO2608, Study Guide, p. 55).
Wood dust falls under the category of particulates that can be inhaled and poses significant
respiratory risks. The poor housekeeping practices observed contribute to the accumulation of wood
dust on surfaces, creating secondary hazards such as slip and trip risks, which are classified as safety
hazards. Additionally, the inconsistent use of dust masks indicates a potential administrative control
failure, as personal protective equipment is not being effectively utilized. The sanding process itself
generates significant amounts of fine wood dust particles that become suspended in the breathing
zone of employees, making this a critical area for intervention. The wood dust may contain various
chemical compounds depending on the type of wood being processed, and certain wood species are
known to be sensitizers or irritants, which further classifies this as a toxicological hazard (Schoeman,
2020, p. 137). The combination of these hazards creates a complex risk profile that affects multiple
organ systems and requires comprehensive control measures.
1.2 Explain how these hazards could affect employee health through the relevant routes of
entry.
The wood dust present in the sanding section can affect employee health primarily through the
inhalation route of entry, which is the most significant pathway for respiratory hazards. When
employees breathe in wood dust particles, these particulates enter the respiratory system and can
cause immediate effects such as eye irritation, coughing, and breathing difficulties, as reported by the
employees (MNO2608, Study Guide, p. 47). The inhalation route allows wood dust to penetrate deep
into the lungs, where it can trigger inflammatory responses and allergic reactions. Over time, chronic
exposure to wood dust can lead to the development of occupational asthma, bronchitis, and other
respiratory conditions that significantly impair lung function (Schoeman, 2020, p. 106).
The size of the wood dust particles is critical, as smaller particles can reach the alveolar region of the
lungs where gas exchange occurs, leading to more severe health effects. Ingestion is another
potential route of entry, as wood dust can settle on surfaces and contaminate food and beverages
consumed in the workplace, although this is less common than inhalation. The absorption route
through the skin is also possible, as wood dust can cause contact dermatitis and allergic skin
reactions in sensitive individuals, particularly when handling certain wood species known to be
irritants or sensitizers (MNO2608, Study Guide, p. 42).
