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Equipment Safety: Operation, Maintenance, and Hazard Control ============================================================

Date: 2025-07-21

Duration: \[DURATION] minutes

Presenter: \[PRESENTER NAME]

Location: \[LOCATION]

Objective

The objective of this toolbox talk is to ensure everyone understands the safety procedures and potential hazards associated with equipment operation and maintenance. This includes emergency shutdown, proper PPE usage, and lockout/tagout (LOTO) procedures.

Introduction

This toolbox talk covers the critical safety procedures, risk assessments, and emergency protocols for operating and maintaining equipment. It emphasizes hazard identification, control measures, and the importance of following safe work practices to prevent accidents and injuries.

Key Points

  • Pre-Use Inspection: Always inspect equipment before use to identify any potential hazards or maintenance needs.
  • Safety Guards and Devices: Ensure all safety guards and devices are in place and functioning correctly.
  • Lockout/Tagout (LOTO): Follow proper lockout/tagout procedures before performing any maintenance or repairs.
  • Personal Protective Equipment (PPE): Use the correct personal protective equipment (PPE) for the task at hand.
  • Emergency Shutdown: Be aware of emergency shutdown procedures and the location of emergency stops.
  • Reporting Procedures: Report any unsafe conditions or equipment malfunctions immediately.

Hazard Identification

Identifying potential hazards is the first step in preventing accidents. We need to be aware of the risks associated with equipment operation and maintenance to implement effective control measures.

  • Dust inhalation during material handling: Respiratory system irritation and coughing [9]
  • Sharp edges and notches: Cuts and skin irritation [6]
  • Dust generation: Eye irritation [10]
  • Incomplete combustion of organic binder: Carbon Monoxide, Carbon Dioxide and Hydrocarbons [3]
  • Exposure to crystalline silica: Lung cancer [8]
  • Contact with wet or dry product: Skin irritation [9]

Control Measures

  • Minimize dust generation and accumulation.: Provide appropriate exhaust ventilation at places where dust is formed. [1]
  • Use a NIOSH/MSHA approved respirator: If there is a risk of exposure to dust/fume at levels exceeding the exposure limits. [1]
  • Avoid dispersal of dust in the air: Do not clear dust surfaces with compressed air. [1]
  • Safe handling practices: Unload from package with caution and handle carefully. [6]
  • Use local mechanical ventilation: If needed to control dust. [5]
  • Wash exposed skin: Prior to eating, drinking or smoking and at the end of each shift. [4]

Personal Protective Equipment (PPE) Requirements

  • Eye Protection: Wear approved safety goggles to protect eyes from sharp edges and dust. [6]
  • Hand Protection: Use suitable protective gloves to minimize skin contact. [6]
  • Skin Protection: Normal work clothing (long sleeved shirts and long pants) is recommended. [6]
  • Respiratory Protection: In circumstances where dust or fumes are generated and may exceed recognized allowable exposure levels, appropriate NIOSH approved respiratory protection is recommended. [2]

Group Discussion

Discuss the following questions:

  1. What are some common hazards you've encountered while operating this equipment?
  2. What steps can we take to improve our equipment maintenance procedures?
  3. How can we ensure everyone is properly trained on LOTO procedures?

Emergency Procedures

  1. In case of fire, use a dry powder fire extinguisher to extinguish. [7]
  2. In case of skin contact, wash immediately with soap and plenty of water. [7]
  3. In case of eyes contact, rinse with water with the eyelids open for a sufficient length of time, then consult an opthalmologist immediately. [7]
  4. In case of Inhalation, remove casualty to fresh air and keep warm and at rest. [7]
  5. In case of Ingestion, Do not induce vomiting, get medical attention showing the SDS and the hazard label. [7]
  6. If eye is cut or otherwise damaged, seek medical attention. [6]

Summary

Recap of main points:

  • Regular equipment inspections are crucial for identifying and addressing potential hazards.
  • Proper PPE is essential for protecting against injuries during equipment operation and maintenance.
  • Following LOTO procedures prevents accidental start-ups during maintenance and repairs.
  • Knowing emergency shutdown procedures can minimize the impact of equipment malfunctions.

Report all hazards, near-misses, and incidents to your supervisor immediately.

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10 source record(s)

Sources used for this answer

[1] GAF - GAF MasterFlow Flexible Ductwork SDS - 2152

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## SECTION 4: FIRST AID MEASURES (cont.) GAF SDS # 2152 ## SECTION 5: FIRE FIGHTING PROCEDURES <table><tr><th>SUITABLE EXTINGUISHING MEDIA:</th><th>Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.</th></tr><tr><td>HAZARDOUS COMBUSTION PRODUCTS:</td><td>None known.</td></tr><tr><td>RECOMMENDED FIRE FIGHTING PROCEDURES:</td><td>Wear impermeable protective clothing and self-contained breathing apparatus.</td></tr><tr><td>UNUSUAL FIRE &amp; EXPLOSION HAZARDS:</td><td>None known.</td></tr></table> ## SECTION 6: ACCIDENTAL RELEASE MEASURES ACCIDENTAL RELEASE MEASURES: Avoid contact with eyes and skin. Use personal protective equipment as required. Take up mechanically, placing in appropriate containers for disposal. Avoid creating dust. Use an industrial vacuum cleaner with a high efficiency filter to clean up dust and fiber contamination.. ## SECTION 7: HANDLING AND STORAGE HANDLING AND STORAGE: OTHER PRECAUTIONS: Avoid dust formation. Keep product in its package until use. Product should be kept dry. Use only in a well-ventilated area. protective equipment. Protect against dust that may be generated by altering or applying this product. Minimize dust generation and accumulation. Routine housekeeping should be carried out to ensure that dusts do not accumulate on surfaces. None. ## SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION ENGINEERING CONTROLS / VENTILATION: RESPIRATORY PROTECTION: EYE PROTECTION: Use local mechanical ventilation if needed. Respiratory protection may be needed when mechanically manipulating this product (sawing, cutting, etc.). If respiratory protection is selected, a NIOSH-approved dust mask or respirator should be worn. Safety glasses with side shields or goggles. Page 3 of 6

[2] USG - DONN DX/DXL™ Acoustical Suspension System

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# SAFETY DATA SHEET (cont.) ## 3. Composition/information on ingredients (cont.) 4. First-aid measures <table><tr><th>Inhalation</th><th>Due to the physical nature of this product, inhalation is unlikely. There are no known health effects due to inhalation.</th></tr><tr><td>Skin contact</td><td>Edges and notches (where present) may be sharp and can cut skin. Cuts or abrasions should be treated promptly with thorough cleansing of the affected area. Seek medical attention for severe cuts or abrasions.</td></tr><tr><td>Eye contact</td><td>Sharp edges and notches (where present) may cause cuts and irritation. If eye is cut or otherwise damaged, seek medical attention.</td></tr><tr><td>Ingestion</td><td>Due to the physical nature of this product, ingestion is unlikely. There are no known health effects due to ingestion.</td></tr><tr><td>Most important symptoms/effects, acute and delayed</td><td>Under normal conditions of intended use, this material does not pose a risk to health.</td></tr><tr><td>Indication of immediate medical attention and special treatment needed</td><td>Provide general supportive measures and treat symptomatically.</td></tr><tr><td>General information</td><td>Ensure that medical personnel are aware of the material(s) involved.</td></tr><tr><td>5. Fire-fighting measures</td><td></td></tr><tr><td>Suitable extinguishing media</td><td>Use fire-extinguishing media appropriate for surrounding materials.</td></tr><tr><td>Unsuitable extinguishing media</td><td>Not applicable.</td></tr><tr><td>Specific hazards arising from the chemical</td><td>Not a fire hazard.</td></tr><tr><td>Special protective equipment and precautions for firefighters</td><td>Selection of respiratory protection for firefighting: follow the general fire precautions indicated in the workplace. Self-contained breathing apparatus and full protective clothing must be worn in case of fire.</td></tr><tr><td>Fire-fighting equipment/instructions</td><td>Use standard firefighting procedures and…

[3] GAF - GAF Roof Deck Seam Tape SDS - 4217

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## FIRST AID PROCEDURES (cont.) GAF SDS # 4217 NOTES TO PHYSICIANS OR FIRST AID PROVIDERS: Dust from the product may cause mechanical irritation of the eyes, skin, and upper respiratory tract. Treat symptomatically. ## SECTION 5: FIRE FIGHTING PROCEDURES <table><tr><th>SUITABLE EXTINGUISHING MEDIA:</th><th>Water spray, alcohol foam, carbon dioxide, or dry chemical.</th></tr><tr><td>HAZARDOUS COMBUSTION PRODUCTS:</td><td>Carbon dioxide and carbon monoxide.</td></tr><tr><td>RECOMMENDED FIRE FIGHTING PROCEDURES:</td><td>NIOSH-approved self-contained breathing apparatus is recommended for smoke protection.</td></tr><tr><td>UNUSUAL FIRE &amp; EXPLOSION HAZARDS:</td><td>None.</td></tr></table> ## SECTION 6: ACCIDENTAL RELEASE MEASURES ACCIDENTAL RELEASE MEASURES: Pick up large pieces. Avoid creating dusts during clean up. Use a dust suppressant if sweeping is necessary. ## SECTION 7: HANDLING AND STORAGE HANDLING AND STORAGE: OTHER PRECAUTIONS: Hot asphalt is used to apply many of these products; appropriate personal protective equipment should be worn handling this material. When heated, small amounts of hydrogen sulfide may be given off. Hydrogen sulfide is a flammable, toxic gas. Avoid breathing fumes. ## SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION <table><tr><th>ENGINEERING CONTROLS / VENTILATION:</th><th>Not applicable.</th></tr><tr><td>RESPIRATORY PROTECTION:</td><td>Not applicable under normal use conditions. In circumstances where dust or fumes are generated and may exceed recognized allowable exposure levels, appropriate NIOSH approved respiratory protection is recommended.</td></tr><tr><td>EYE PROTECTION:</td><td>Safety glasses with side shields</td></tr></table> Page 3 of 6

[4] USG - Durock™ Brand ASC Plus™ Floor Patch

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# SAFETY DATA SHEET (cont.) ## 3. Composition/information on ingredients (cont.) <table><tr><th>Fire fighting equipment/instructions</th><th>Use standard firefighting procedures and consider the hazards of other involved materials.</th></tr><tr><td>Specific methods</td><td>Cool material exposed to heat with water spray and remove it if no risk is involved.</td></tr><tr><td>General fire hazards</td><td>No unusual fire or explosion hazards noted.</td></tr><tr><td colspan="2">6. Accidental release measures</td></tr><tr><td>Personal precautions, protective equipment and emergency procedures</td><td>Keep unnecessary personnel away. Keep people away from and upwind of spill/leak. Wear appropriate protective equipment and clothing during clean-up. Do not breathe dust. Use a NIOSH/MSHA approved respirator if there is a risk of exposure to dust/fume at levels exceeding the exposure limits. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Ensure adequate ventilation. Local authorities should be advised if significant spillages cannot be contained. For personal protection, see section 8 of the SDS.</td></tr><tr><td>Methods and materials for containment and cleaning up</td><td>Avoid dispersal of dust in the air (i.e., clearing dust surfaces with compressed air). Minimize dust generation and accumulation. Collect dust using a vacuum cleaner equipped with HEPA filter. Stop the flow of material, if this is without risk.</td></tr><tr><td></td><td>Large Spills: Wet down with water and dike for later disposal. Shovel the material into waste container. Following product recovery, flush area with water.</td></tr><tr><td></td><td>Small Spills: Sweep up or vacuum up spillage and collect in suitable container for disposal. Clean surface thoroughly to remove residual contamination.</td></tr><tr><td></td><td>Never return spills to original containers for re-use. Put material in suitable, covered, labeled containers. For waste disposal, se…

[5] USG - Durock™ Multi-Use Pro Self-Leveling Underlayment

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Source excerpt

# SAFETY DATA SHEET (cont.) ## 3. Composition/information on ingredients (cont.) <table><tr><th>Chemical name</th><th></th><th>CAS number</th><th>%</th></tr><tr><td>Quartz (Sand)</td><td></td><td>[redacted postal code]-60-7</td><td>&gt; 60</td></tr><tr><td>Plaster of Paris (Calcium sulfate hemihydrate CAS [redacted postal code]-76-1)</td><td></td><td>[redacted postal code]-65-0</td><td>&lt; 30</td></tr><tr><td>TRADE SECRET</td><td></td><td>Proprietary</td><td>&lt; 15</td></tr><tr><td>Impurities Chemical name</td><td></td><td>CAS number</td><td>%</td></tr><tr><td>Crystalline silica (Quartz)</td><td></td><td>[redacted postal code]-60-7</td><td>&lt;1</td></tr><tr><td>Composition comments</td><td colspan="3">All concentrations are in percent by weight.</td></tr><tr><td></td><td colspan="3">Raw materials in this product contain respirable crystalline silica as an impurity. The weight percent of respirable crystalline silica found in this product is &lt; 1%. Exposures to respirable crystalline silica during the normal use of this product must be determined by workplace hygiene testing.</td></tr><tr><td>4. First-aid measures</td><td></td><td></td><td></td></tr><tr><td>Inhalation</td><td>Dust irritates the respiratory system, and may cause injured person into fresh air and keep person calm symptoms persist.</td><td>coughing and under observation.</td><td>difficulties in breathing. Move Get medical attention if</td></tr><tr><td>Skin contact</td><td>Contact with wet or dry product: Wash area with cold cuts should be thoroughly flushed and covered with</td><td>running water suitable dressings.</td><td>immediately. Open sores or</td></tr><tr><td>Eye contact</td><td>Dust in the eyes: Immediately flush eyes with plenty contact lenses, if present and easy to do. Continue</td><td>of water for at rinsing. Get</td><td>least 15 minutes. Remove medical attention immediately.</td></tr><tr><td>Ingestion</td><td>Plaster of Paris hardens and if ingested may result in gelatin solutions or…

[6] GAF - Mineral Guard Residential Roll Roofing SDS - 4166

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# SDS Date: June 2023 (cont.) ## FIRST AID PROCEDURES (cont.) GAF INHALATION: INGESTION: - NOTES TO PHYSICIANS OR FIRST AID PROVIDERS: Remove to fresh uncontaminated air. SDS # 4166 Not expected to be ingested. Treat symptomatically. ## SECTION 5: FIRE FIGHTING PROCEDURES <table><tr><th>SUITABLE EXTINGUISHING MEDIA:</th><th>Water spray, alcohol foam, carbon dioxide, or dry chemical.</th></tr><tr><td>HAZARDOUS COMBUSTION PRODUCTS:</td><td>Carbon dioxide and carbon monoxide.</td></tr><tr><td>RECOMMENDED FIRE FIGHTING PROCEDURES:</td><td>NIOSH-approved self-contained breathing apparatus is recommended for smoke protection.</td></tr><tr><td>UNUSUAL FIRE &amp; EXPLOSION HAZARDS:</td><td>None.</td></tr></table> ## SECTION 6: ACCIDENTAL RELEASE MEASURES ACCIDENTAL RELEASE MEASURES: Pick up or sweep up pieces. Avoid creating dust during clean up. ## SECTION 7: HANDLING AND STORAGE HANDLING AND STORAGE: OTHER PRECAUTIONS: No specific handling or storage requirements. - None ## SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION ENGINEERING CONTROLS I VENTILATION: RESPIRATORY PROTECTION: EYE PROTECTION: - SKIN PROTECTION: None. Not applicable under normal use conditions. In circumstances where dust or fumes are generated and may exceed recognized allowable exposure levels, appropriate NIOSH approved respiratory protection is recommended. Safety glasses with side shields Long sleeve shirt and long pants. Suitable gloves should be worn to protect against mechanical abrasion. OTHER PROTECTIVE EQUIPMENT: None Page 3 of 6

[7] GAF - Versashield SOLO™ Fire Resistant Slip Sheet SDS - 2113

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## SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION (cont.) GAF SDS # 2113 ## SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES <table><tr><th>APPEARANCE &amp; ODOR:</th><th colspan="3">Blue-colored, mineral-filled mat; odorless.</th></tr><tr><td>FLASH POINT:</td><td>No data</td><td>LOWER EXPLOSIVE LIMIT:</td><td>No data</td></tr><tr><td>METHOD USED:</td><td>No data</td><td>UPPER EXPLOSIVE LIMIT:</td><td>No data</td></tr><tr><td>EVAPORATION RATE:</td><td>No data</td><td>BOILING POINT:</td><td>No data</td></tr><tr><td>pH (undiluted product):</td><td>No data</td><td>MELTING POINT:</td><td>No data</td></tr><tr><td>SOLUBILITY IN WATER:</td><td>Insoluble</td><td>SPECIFIC GRAVITY:</td><td>No data</td></tr><tr><td>VAPOR DENSITY:</td><td>No data</td><td>PERCENT VOLATILE:</td><td>No data</td></tr><tr><td>VAPOR PRESSURE:</td><td>No data</td><td>MOLECULAR WEIGHT:</td><td>No data</td></tr><tr><td>VOC WITH WATER (LBS/GAL):</td><td>No data</td><td>WITHOUT WATER (LBS/GAL):</td><td>No data</td></tr></table> ## SECTION 10: STABILITY AND REACTIVITY <table><tr><th>THERMAL STABILITY:</th><th>STABLE X UNSTABLE</th></tr><tr><td>CONDITIONS TO AVOID (STABILITY):</td><td>None.</td></tr><tr><td>INCOMPATIBILITY (MATERIAL TO AVOID):</td><td>Strong acids will react with the limestone component releasing carbon dioxide gas.</td></tr><tr><td>HAZARDOUS DECOMPOSITION OR BY- PRODUCTS:</td><td>Carbon Monoxide, Carbon Dioxide and Hydrocarbons will result from incomplete combustion of the organic binder if involved in a fire.</td></tr><tr><td>HAZARDOUS POLYMERIZATION:</td><td>Will not occur.</td></tr></table> ## SECTION 11: TOXICOLOGICAL INFORMATION TOXICOLOGICAL INFORMATION: No information available. Page 5 of 7

[8] GAF - Cobra IntakePro Rooftop Intake Vent SDS - 2228

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## SECTION 5: FIRE FIGHTING PROCEDURES (cont.) <table><tr><th colspan="2">GAF SDS # 2228</th></tr><tr><td colspan="2">HAZARDS:</td></tr><tr><td></td><td></td></tr><tr><td colspan="2">SECTION 6: ACCIDENTAL RELEASE MEASURES</td></tr><tr><td colspan="2">ACCIDENTAL RELEASE MEASURES: Pick up or sweep up large pieces.</td></tr><tr><td colspan="2">SECTION 7: HANDLING AND STORAGE</td></tr><tr><td>HANDLING AND STORAGE:</td><td>Keep away from sparks, heat, &amp; flame. May react with strong oxidizing agents and should not be stored near such materials.</td></tr><tr><td>OTHER PRECAUTIONS:</td><td>None.</td></tr><tr><td colspan="2">SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION</td></tr><tr><td>ENGINEERING CONTROLS / VENTILATION:</td><td>Heat only in areas with appropriate exhaust ventilation.</td></tr><tr><td>RESPIRATORY PROTECTION:</td><td>No personal respiratory protective equipment normally required</td></tr><tr><td>EYE PROTECTION:</td><td>Safety glasses with side shields</td></tr><tr><td>SKIN PROTECTION:</td><td>Long sleeved clothing and/or protective gloves.</td></tr><tr><td>OTHER PROTECTIVE EQUIPMENT:</td><td>None</td></tr><tr><td>WORK HYGIENIC PRACTICES:</td><td>Wash exposed skin prior to eating, drinking or smoking and at the end of each shift.</td></tr><tr><td>EXPOSURE GUIDELINES:</td><td>Not applicable.</td></tr></table> ## SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES <table><tr><th>APPEARANCE &amp; ODOR:</th><th colspan="3">Mat: Black; Fabric: Black No odor.</th></tr><tr><td>FLASH POINT:</td><td>Not Applicable</td><td>LOWER EXPLOSIVE LIMIT:</td><td>Not Applicable</td></tr><tr><td>METHOD USED:</td><td>Not Applicable</td><td>UPPER EXPLOSIVE LIMIT:</td><td>Not Applicable</td></tr><tr><td>EVAPORATION RATE:</td><td>Not Applicable</td><td>BOILING POINT:</td><td>No data</td></tr></table> Page 3 of 5

[9] MAPEI - Marine Spray DSN

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# Safety Data Sheet MARINE SPRAY DSN (cont.) ## 3. COMPOSITION/INFORMATION ON INGREDIENTS Substances Not Relevant Mixtures Hazardous components within the meaning of 29 CFR 1910.1200 and related classification: ## List of components <table><tr><th>Qty</th><th>Name</th><th>Ident. Numb.</th><th>Classification</th><th>Registration Number</th></tr><tr><td>10-20 %</td><td>2-(2-ethoxyethoxy)ethyl acetate; Ethanol, 2-(2-ethoxyethoxy)-, 1- acetate</td><td>CAS:112-15-2 EC:203-940-1</td><td>Eye Irrit. 2A, H319</td><td>01-2119966911-29-XXXX</td></tr></table> ## 4. FIRST AID MEASURES Description of first aid measures <table><tr><th>In case of skin contact:</th></tr><tr><td>Immediately take off all contaminated clothing.</td></tr><tr><td>Areas of the body that have - or are only even suspected of having - come into contact with the product must be rinsed immediately with plenty of running water and possibly with soap.</td></tr><tr><td>Wash thoroughly the body (shower or bath).</td></tr><tr><td>Remove contaminated clothing immediately and dispose of safely.</td></tr><tr><td>After contact with skin, wash immediately with soap and plenty of water.</td></tr><tr><td>In case of eyes contact:</td></tr><tr><td>After contact with the eyes, rinse with water with the eyelids open for a sufficient length of time, then consult an opthalmologist immediately.</td></tr><tr><td>Protect uninjured eye.</td></tr><tr><td>In case of Ingestion:</td></tr><tr><td>Do not induce vomiting, get medical attention showing the SDS and the hazard label.</td></tr><tr><td>In case of Inhalation:</td></tr><tr><td>Remove casualty to fresh air and keep warm and at rest.</td></tr><tr><td>Most important symptoms/effects, acute and delayed</td></tr><tr><td>Eye irritation</td></tr><tr><td>Eye damages</td></tr><tr><td>Indication of any immediate medical attention and special treatment needed</td></tr><tr><td>In case of accident or unwellness, seek medical advice immediately (show directions for use or safety dat…

[10] GAF - Versashield SOLO™ Fire Resistant Slip Sheet SDS - 2113

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## SECTION 2: HAZARDS IDENTIFICATION (cont.) GAF CHRONIC HEALTH HAZARDS: CARCINOGENICITY: SDS # 2113 cause severe respiratory irritation, skin irritation and/or eye irritation. Repeated and/or prolonged exposure to dust and fibers at concentrations in excess of exposure limits may result in respiratory damage, chronic skin irritation and/or eye injury. The International Agency for Research on Cancer (IARC) and the National Toxicology Program (NTP) have determined that there is sufficient evidence in humans for the carcinogenicity of inhaled crystalline silica in the form of quartz or cristobalite. In addition, IARC has determined that there is sufficient evidence for the carcinogenicity of quartz and cristobalite in experimental animals. Among individuals with silicosis, lung cancer occurs more frequently in those who smoke. Sulfuric acid contained in strong inorganic acids mists is classified as a group 1 carcinogen (carcinogenic to humans) by the International Agency for Research on Cancer (IARC). ## SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS <table><tr><th></th><th></th><th></th><th colspan="3">OCCUPATIONAL EXPOSURE LIMITS</th></tr><tr><td>CHEMICAL NAME</td><td>CAS #</td><td>% (BY WT)</td><td>OSHA</td><td>ACGIH</td><td>OTHER</td></tr><tr><td>Limestone</td><td>1317-65-3</td><td>35 - 45</td><td>5 mg/m3 — resp. 15 mg/m3 - total</td><td>3 mg/m3 - resp. 10 mg/m3 - total</td><td>REL: 5 mg/m3 - resp. 10 mg/m3 - total</td></tr><tr><td>Graphite</td><td>7782-42-5</td><td>10 25</td><td>15 mppcf</td><td>2 mg/m3 - resp.</td><td>REL: 2.5 mg/m3 - resp.</td></tr><tr><td>Fibrous Glass</td><td>[redacted postal code]-17-3</td><td>10 - 25</td><td>1 f/cc - resp.</td><td>1 f/cc - resp.</td><td>REL: 5 mg/m3 - total fibers</td></tr><tr><td>Aluminum Trihydrate</td><td>[redacted postal code]-51-2</td><td>10 - 25</td><td>5 mg/m3 - resp. 15 mg/m3 - - total</td><td>3 mg/m3 - resp. 10 mg/m3 - total</td><td>REL: 5 mg/m3 - resp. 10 mg/m3 - total</td></tr><tr><td>Sulfuric Acid (…

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