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Proficiency test AQA 20-07 and AQA 20-08 Fresh Water Characteristics (potable water)

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Sample

Analytes

Approximate Conc. Range (mg/L)*

Price**
AUD $

S1 AQA 20-07

100 mL

unfiltered potable water
preserved in
 2% HNO3 (v/m)

for
total elements

 

Al

0.05-1

FOR NATIONAL

PARTICIPANTS

 

Any single

sample

$500

 

Any two
samples

$690

 

Any three
samples

$890

 

Any four
samples

1090$
 

All five
samples

1290$

 

FOR INTERNATIONAL

PARTICIPANTS

 

Any single

sample

$680

 

Any two
 samples

$920

 

Any three
 samples

$1030

 

Any four
 samples

$1260

 

Any four
 samples

$1490

As

0.001-0.08

Ba

0.005-0.1

Be

0.001-0.08

Bi

0.001-0.08

Cd

0.0005-0.04

Co

0.001-0.08

Cr

0.001-0.08

Cu

0.1-1

Fe

0.1-1

Hg

0.00005-0.005

Li

0.001-0.08

Mn

0.05-4

Mo

0.005-0.4

Ni

0.005-0.2

Pb

0.005-0.4

Sb

0.0005-0.04

Se

0.001-0.08

Sn

0.0005-0.04

Sr

0.005-0.4

Tl

0.0005-0.04

U

0.001-0.08

V

0.001-0.08

Zn

0.5-40

S2 AQA 20-07

600 mL

unfiltered potable water

TDS, TSS and TS (dried at 103-105ºC)

50 -1250

S1 AQA 20-08

200 mL

filtered, frozen, fresh water

Bromide

0.5-50

Chloride

20-400

Fluoride

0.2-5

Dissolved Organic Carbon as (dNPOC)

1-50

Ammonia-N

0.01-2

Nitrate-N

0.01-2

Total Dissolved Nitrogen

0.02-4

Total Dissolved Phosphorus

0.01-2

Orthophosphate-P

0.01-2

Sulphate

0.2-50

S2 AQA 20-08

750 mL

unfiltered, chilled, fresh water

B (total)

0.020-2

Ca (total)

10-400

K (total)

1-40

Mg (total)

1-40

Na (total)

10-400

P (total)

0.020-2.0

Alkalinity to pH 4.5 as CaCO3

>10

Colour, apparent (Pt-Co units)

>10

Hardness, total (CaCO3)

10-400

pH (at 25°C)

>3

Silica (as SiO2)

1-20

EC

TBA

Turbidity (NTU)

>0.1

S3 AQA 20-08

200 mL

unfiltered frozen fresh water

Total Kjeldahl Nitrogen

0.2-50

Total Nitrogen

0.2-50

Total Organic Carbon (as NPOC)

0.2-50

* As these samples are real samples, the values given are indicative, based on the range of materials used in previous rounds. These ranges will be readjusted in the dispatch letter.

**Shipping costs are included; GST not included.

TBA=To be advised

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Last updated: 27 February 2020

Content ID: 66477