SLUDGES: PHYSICAL-CHEMICAL /REF. 990013/

In the following tables you can see the dates on which the rounds take place:

 

ROUND 1 ROUND 2
WEEK 13
27 March
WEEK 36
4 September
Arsenic Aluminium
Cadmium Cadmium
Copper Copper
Chromium Conductivity at 20ºC
Iron Chromium
Kjeldahl nitrogen Total phosphorus
Manganese Total Organic Matter
Mercury Mercury
Nickel Nickel
pH Lead
Lead Zinc
Zinc

You will find detailed information in our Proficiency Testing Scheme Catalogue.

[Download Catalogue]

You can find the guideline ranges of concentration here.

For any further information, please contact ielab at: comercial@ielab.es.