
ASCO CARBON DIOXIDE LTD
Offi cial sales partner USA
Industriestr. 2, CH-8590 Romanshorn
GRAND NORTHERN PRODUCTS
Tel. +41 71 466 80 80 Fax + 41 71 466 80 66
Tel. + 001 616 583 50 00 Fax + 001 616 583 90 61
/www.ascoco2.com
[email protected]/www.grandnorthern.com
ASCO
CARBON DIOXIDE LTD
10
1
TECHNICAL SPECIFICATION
1.9
SAFETY TIPS
1.9.1 Carbon dioxide concentrations
DANGER
Risk of CO
2
suffocation due to carbon dioxide.
Low concentrations (3 - 5 %) cause headaches and rapid respiration.
Higher Concentrations of 7 - 10 % cause headaches and nausea which can
lead to unconsciousness. Higher concentrations lead to unconsciousness and
death.
WARNING
The maximal acceptable concentration level of CO
2
is 5000 ppm. Higher con-
centrations are harmful for the human body (MAK-scale IV).
Work in adequate ventilated working areas only!
NOTE
We strongly recommend the use of a CO
2
detector in working areas where CO
2
is used.
1.9.2 Protective clothing
WARNING
Always wear protective goggles when operating the
ASCOJET
. Also personnel
working near the blasting place should wear proper eye protection.
WARNING
Dry ice blasting is very loud. Always wear approved hearing protection when
operating the
ASCOJET
or when being near to the blasting unit.