Schedule 2710

Description: NAWQA ICPMS 22 Element, Water, Filtered

Analyzing Laboratory(s):

USGS - National Water Quality Laboratory, Denver, CO

Analyte

CAS Number

Unit

Aluminum

7429-90-5

1.6

ug/L

Antimony

7440-36-0

0.2

ug/L

Arsenic

7440-38-2

0.12

ug/L

Barium

7440-39-3

0.2

ug/L

Beryllium

7440-41-7

0.06

ug/L

Boron

7440-42-8

ug/L

Cadmium

7440-43-9

0.04

ug/L

Chromium

7440-47-3

0.04

ug/L

Cobalt

7440-48-4

0.04

ug/L

Copper

7440-50-8

0.4

ug/L

ICP Mass Spectrometry (ICPMS) setup

unsp

Lead

7439-92-1

0.08

ug/L

Lithium

7439-93-2

0.6

ug/L

Manganese

7439-96-5

0.2

ug/L

Molybdenum

7439-98-7

0.4

ug/L

Nickel

7440-02-0

0.06

ug/L

pH, laboratory

0.1

Selenium

7782-49-2

0.08

ug/L

Silver

7440-22-4

0.2

ug/L

specific conductance, laboratory

2.6

uS/cm

Strontium

7440-24-6

0.4

ug/L

Thallium

7440-28-0

0.04

ug/L

Uranium, natural

7440-61-1

0.04

ug/L

Vanadium

7440-62-2

0.1

ug/L

Zinc

7440-66-6

0.6

ug/L

Lab Code 69 may only be deleted when the field conductivity value is provided.

Container Requirements

Quantity

Bottle

250mL FA

Description: 250 mL Polyethylene bottle, acid-rinsed

Treatment and Preservation: , Filter through 0.45-um filter, use filtered sample to rinse containers and acidify sample with nitric acid (HNO3) to pH < 2

250mL RU

Description:

Treatment and Preservation: 250 or 500 mL Polyethylene bottle, Use unfiltered sample to rinse bottles

References

1. OFR 92-634

Faires, L.M., 1993, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of metals in water by inductively coupled plasma-mass spectrometry: U.S. Geological Survey Open-File Report 92-634, 28 p.

Method ID: I-2477-92

2. TWRI B5-A1/89

Fishman, M.J., and Friedman, L.C., 1989, Methods for determination of inorganic substances in water and fluvial sediments: U.S. Geological Survey Techniques of Water-Resources Investigations, book 5, chap. A1, 545 p.

Method ID: I-2587-89 , I-2781-89

3. OFR 99-093

Garbarino, J.R., 1999, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory -- Determination of dissolved arsenic, boron, lithium, selenium, strontium, thallium, and vanadium using inductively coupled plasma-mass spectrometry: U.S. Geological Survey Open-File Report 99-093, 31 p.

Method ID: I-2477-92

4. TMR Book 5, Chapter B1

Garbarino, J.R., Kanagy, L.K., Cree, M.E., Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of Elements in Natural-Water, Biota, Sediment, and Soil Samples Using Collision/Reaction Cell Inductively Coupled Plasma-Mass Spectrometry, Techniques and Methods Report, Book 5, Chapter B1.

Method ID: I-2020-05