QCMs for External control

Quality Consult gives the opportunity to those laboratories that have not participated in current or previous Proficiency Testing (PT) exercises to evaluate their analytical quality performance, by using Reference Materials analyzed in previous PT exercises (concentration levels unknown to the customers) and related assignment of Z-score by Quality Consult. Laboratories may use these Reference Materials appropriately for external evaluation of their analytical performance. External control is an additional service with respect to participation to QC Proficiency Programme.
It includes:

For this service, the followings QCMs are available: contaminated soil, sludge sewage and sediment analyzed in QC Proficiency Testing Programmes along 2004 to 2009. The full set of available QCMs is listed in the following table.

Table External Control Service

Service Code	Description of service	QCMs	Cost (VAT excl.)
Contaminated soil
EC-CS1	ET + CM	1 bottle (20/30g)	405.00 €
EC-CS2	PAHs	1 bottle (35/40g)	427.00 €
EC-CS3	organochloride pesticides + PCB	1 bottle (35/40g)	427.00 €
Sewage Sludge
EC-SS1	ET + CM	1 bottle (20/30g)	405.00 €
EC-SS2	PAHs	1 bottle (35/40g)	433.00 €
EC-SS3	PCBs	1 bottle (35/40g)	433.00 €
EC-SS3	ET + CM according to UNI EN 12457-2	1 bottle (100g)	520.00 €
River Sediment
EC-RS1	ET	1 bottle (20g)	400.00 €