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It has been TST Storage Chassis team's mission to sustain business development and expansion by recognizing the importance of environment protection. It is not only our duty but also obligation to develop, produce, distribute green and healthy products through a process of continuous efforts on the improvements of pollution prevention and enhancement of environmental protection awareness.


1. What is RoHS?
RoHS is European Union Directive 2002/95/EC on the Restriction of Certain Hazardous Substances in Electrical and Electronic Equipment. It is pronounced “ross”.

2. What hazardous substances are covered by RoHS?
RoHS restricts the use of lead (Pb), cadmium (Cd), mercury (Hg), hexavalent chromium (Cr6+), polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs). Those restrictions are in addition to existing regulations, such as the 47 categories of dangerous substances restricted for use in nearly every product by EU Directive 76/769/EEC and its numerous amendments.

3. What products are covered by RoHS?
The scope of RoHS is given in the EU WEEE Directive Annex IA, categories 1 -7 and 10. The following is a summary of covered product categories:

1. Large household appliances
2. Small household appliances
3. IT and telecommunications equipment
4. Consumer equipment
5. Lighting equipment
6. Electrical and electronic tools (except large-scale stationary and industrial tools)
7. Toys, leisure and sports equipment
10. Automatic dispensers

Electrical and Electronic Equipment (EEE) is defined as devices which are dependent on electric current or electromagnetic fields to work properly, including that equipment used to generate, transfer, or measure such currents or fields. The definition of EEE for RoHS is limited to those devices operating on a maximum 1000 Volts AC or 1500 Volts DC

4. Where do I find information on RoHS?
The following are good sources:

The United Kingdom Department of Trade and Industry (DTI) – they have the lead responsibility for RoHS, WEEE, ELV, and Packaging Directives in the EU. Search for “DTI” and go to the environment department, or click on the link above.

DTI - Sustainable Development and Environment: Latest TAC Committee meeting notes

Europa is the website of the European Union. Information on RoHS is available on that site, but is not as easy to find as on the DTI site. Click on any of the links below.

EUROPA - Environment

EUROPA - RoHS Directive

EUROPA - WEEE Directive

EUROPA - Committee on Environment, Public Health and Food Safety

EEA - European Environment Agency - Home


5. How does TST ESR-Series Chassis plan to meet RoHS compliance?
TST  is currently in the process of reviewing bills of materials for all of our current product offerings. TST's goal for RoHS compliance is to transition into RoHS compliant products in early 2006, with full production of RoHS compliant products occurring in time to meet the July 1, 2006 deadline.

6. Will ESR-Series Chassis be changing product numbers to indicate RoHS compliance?
We currently do not plan to change product numbers to indicate RoHS compliance. At the time a product is offered as RoHS compliant, this information will be made readily available to the customer.


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