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Guidance on Safe Use

Guidance on Safe Use

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First-aid measures

General notes: Remove without delay any articles of clothing contaminated with the product.
After inhalation: Abundant supply of fresh air and consult a doctor as a precaution.
After skin contact: Wash with soap and water immediately and rinse thoroughly.
After eye contact: Rinse eyes for several minutes with running water while keeping the eyelids open.
After ingestion: Rinse mouth out and make the victim drink plenty of water.

Fire-fighting measures

Suitable extinguishing media: Adjust fire-extinguishing measures to the environment.
CO2, extinguishing powder or water spray jet. Fight larger fires with water spray jet.
Extinguishing media unsuitable for safety reasons: Water in full jet
Special risks from the substance, its products of combustion or gases arising:
Product itself is non-combustible.
At very high temperatures, the formation of gases harmful to health due to the volatilisation of individual
components cannot be excluded.
Special protective equipment in the case of fire fighting: Wear approved self-contained breathing apparatus
Other notes: Collect contaminated extinguishing water separately; it must not enter the sewers.

Accidental release measures

Personal safety aspects: In the event of dust raising, avoid inhalation by putting on suitable, approved breathing
apparatus (filter class P2). Remove unprotected staff from the hazardous area.
Put on protective equipment (see Chapter 8).
Environmental protection measures: Avoid dust raising, e.g. by moistening. Prevention of ingress into the sewers, surface
or ground water.
Cleaning procedure / Taking up: Take up material as far as possible in the dry state, e.g. with industrial vacuum
cleaners with suitable waste-air filters (dust class ‘H’ acc. to DIN EN 60335-2-69 App.
AA and to E DIN IEC 61 J/94/CD) or use central vacuuming units with waste air
filtering equipment. Collect for use in accordance with the intended purpose or
return to the producer for treatment.
Fill and or pump any possible sludge into appropriate containers.
Dispose of any contaminated material as waste according to Section 13.

Handling and storage

Notes on safe handling: For removing the dust with vacuum cleaners, suitable approved industrial vacuum cleaners
(dust class ‘H’ acc. to DIN EN 60335-2-69 App. AA and E DIN IEC 61 J/94/CD) or
central vacuum cleaning units with waste air filtering equipment are to be used.
Notes on fire or explosion protection: Keep breathing apparatus in readiness
Demands on storage rooms and containers: Avoid dust raising and dust dispersal
Notes on storing together: Do not store together with food
Do not store together with animal feed
Do not store together with combustible substances
Further details on the storage conditions: None
VCI storage class: 13 Non-combustible solids

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:
Due to the proven acute non-toxicity, Waelz oxide is exempted from the regulations under the
law regarding the transport of dangerous goods. Dust raising in transit is to be prevented. It is recommended
that Waelz oxide should be transported in containers with covers/tarpaulins or in silo vehicles.
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Marine transport (UN RTDG/IMDG)

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Exposure controls / personal protection

Ingredients with workplace-related limit values to be monitored: none
Airborne exposure limits
In the German regulation TRGS 900 (2007) for lead and its inorganic compounds at present no workplace limit
value has been laid down. EU Directive 98/24/EC, Appendix I, states a workplace limit value of 0.15 mg/m3,
based on 8 h.
Biological limit values
In the German regulation TRGS 903 (2006) a biological limit value (BGW value) for lead of 400 μg/l and/or
300 μg/l (women < 45 years) is stated.
Experience of actual practice supports the idea that the application and observance of the former airborne
exposure limit of 0.1 mg/m3 taken from the German regulation TRGS 900 (2000) as well as the biological
limit values of TRGS 903 is the most up-to-date information for the assessment of the health risk for
exposed employees.
Also to be taken into account is Section 5 of TRGS 505 (Plan of action).

Personal protective equipment
General protective and hygiene measures
Keep away from food, beverages and animal feed. At work do not eat, drink, smoke or take snuff.
Remove soiled, soaked clothing. After work and before breaks ensure thorough skin cleansing.
Separate storing of protective / work clothing is necessary.
Respiratory protection
Use only approved respirators. Use respiratory protection masks with P2 filter (DIN EN 143). With a
longer period of exposure the use of self-contained respirators is recommended.
In the event of the
release of smoke or vapours: use combined filters against inorganic vapours (e.g. B1-P2 (DIN EN
Hand protection Gloves providing protection from chemicals according to EN 374 of acrylonitrile butadiene rubber or
Eye protection Tight-closing safety goggles (DIN EN 166), if necessary
Body protection Usual chemical work clothing

Stability and reactivity

Disposal considerations