SAM Revision Tracking Information

Revision 1.0
EPA/600/R-04/126

September 2004

Standardized Analytical Methods for Use During Homeland Security Events (SAM) 1.0

Included chemical and biological contaminants

Revision 2.0
EPA/600/R-04/126B

September 2005

• Added radiochemicals
• Added several persistent chemical warfare agent (CWA) degradation products
• Added separate drinking water sample type for chemicals and radiochemicals
• Added viability determination methods for pathogens
• Added separate section for biotoxins

Revision 3.0
EPA/600/R-07/015

February 2007

• Added explosive chemicals
• Combined identification and viability methods for pathogens
• Added drinking water sample type for pathogens
• Title changed to: Standardized Analytical Methods for Environmental Restoration Following Homeland Security Events (SAM) 3.0

Revision 3.1
EPA/600/R-07/136

November 2007

Developed a SAM website, to provide the SAM document and a format for searching and linking to SAM methods by analyte and sample type.

See Selected Analytical Methods for Environmental Remediation and Recovery (SAM)

Revision 4.0
EPA/600/R-04/126D

September 2008

• Added wipe samples for chemistry analytes
• Added PCR methods for pathogens

Revision 5.0
EPA/600/R-04/126E

September 2009

Added separate drinking water sample type to biotoxins

2010
(Revision 6.0)
EPA/600/R-10/122

October 2010

• Removed non-aqueous liquid sample type from chemistry
• Temporary removal of pathogens

2012
(Revision 7.0)
EPA/600/R-12/555

July 2012

• Changed title to: Selected Analytical Methods for Environmental Remediation and Recovery (SAM) 2012
• Added vegetation sample type, newly available rapid methods, and total activity screening procedure for radiochemistry analytes
• Re-introduced pathogen methods with restructuring to clarify method applications for site characterization and post remediation
• Assigned applicability tiers to chemistry methods

2017 (Revision 8.0) EPA/600/R-17/356

October 2017

• Added outdoor building and infrastructure material sample types for radiochemistry analytes
• Added soil sample type for pathogens
• Assigned applicability tiers to pathogen and biotoxin methods
• Added analytes to chemistry, radiochemistry, pathogen and biotoxin sections
• Added considerations regarding the potential impacts of decontamination agents on the analytical performance of selected radiochemical methods
• Changed the names of “aqueous liquid” (chemistry methods sample type) and “liquid water” (biotoxin methods sample type) to “non-drinking water” to clarify that the sample type applies to all non-drinking water aqueous sample matrices

• Added analytes to chemical, radiochemical and biotoxin sections
• Changed the name of the “aerosol” sample type to “air” for pathogens
• Changed the name of the “particulate” sample type to “surfaces” for pathogens
• Combined drinking water and post-decontamination wastewater into a single sample type for pathogens
• Added limestone as a sample type for radiochemicals in outdoor infrastructure and building materials