A.01.31_Attachments_(1-3).pdf

ATTACHMENT 1

Sample preparation, analysis methods, and standards for Total Metal Concentration

Metal Atomic Absorption

Inductively Coupled Plasma / Mass Spectroscopy

(ICP/MS)

ppm Standard for

Fertilizer Arsenic (As) --- 6020 <1.0000 Cadmium (Cd) --- 6020 <1.0000 Cobalt (Co) --- 6020 <1.0000 Lead (Pb) --- 6020 <1.0000 Molybdenum (Mo) --- 6020 <1.0000 Nickel (Ni) --- 6020 <1.0000 Selenium (Se) --- 6020 <1.0000 Zinc (Zn) --- 6020 <1.0000 Mercury (Hg) 7470A*, 7471A* <0.5000

Sample Preparation --- 3050B

Copies of SW-846 Third Edition and all associated updates are available from:

Government Printing Office Superintendent of Documents Washington, DC 20402

(202) 512-1800

Department of Commerce National Technical Information Center 5285 Port Royal Road Springfield, VA 22161

(703) 487-4650 or 800-553-NTIS

The online version of this document is located at:

http://www.epa.gov/waste/hazard/testmethods/sw846/online/index.htm.

*Sample preparation method 3050B cannot be used for an analysis of mercury. Instead, the sample preparation methods are described under procedures for analysis methods 7470A and 7471A.

Note: Updated methods of analysis acceptable to the EPA may be utilized, provided that the required level of detection required in the above table ate met.

ATTACHMENT 2

ATTACHMENT 3