Click on each year to access lab lists.
- December 2022 List of Certified Laboratories and IITFs (PDF | 210 KB)
- December 2022 Certified Lab Listing by State (PDF | 157 KB)
- November 2022 List of Certified Laboratories and IITFs (PDF | 200 KB)
- November 2022 Certified Lab Listing by State (PDF | 152 KB)
- October 2022 List of Certified Laboratories and IITFs (PDF | 196 KB)
- October 2022 Certified Lab Listing by State (PDF | 112 KB)
- September 2022 List of Certified Laboratories and IITFs (PDF | 199 KB)
- September 2022 Certified Lab Listing by State (PDF | 153 KB)
- August 2022 List of Certified Laboratories and IITFs (PDF | 175 KB)
- August 2022 Certified Lab Listing by State (PDF | 167 KB)
- July 2022 List of Certified Laboratories and IITFs (PDF | 201 KB)
- July 2022 Certified Lab Listing by State (PDF | 153 KB)
- June 2022 List of Certified Laboratories and IITFs (PDF | 194 KB)
- June 2022 Certified Lab Listing by State (PDF | 120 KB)
- May 2022 List of Certified Laboratories and IITFs (PDF | 176 KB)
- May 2022 Certified Lab Listing by State (PDF | 113 KB)
- April 2022 List of Certified Laboratories and IITFs (PDF | 203 KB)
- April 2022 Certified Lab Listing by State (PDF | 117 KB)
- March 2022 List of Certified Laboratories and IITFs (PDF | 179 KB)
- March 2022 Certified Lab Listing by State (PDF | 113 KB)
- February 2022 List of Certified Laboratories and IITFs (PDF | 118 KB)
- February 2022 Certified Lab Listing by State (PDF | 117 KB)
- January 2022 List of Certified Laboratories and IITFs (PDF | 184 KB)
- January 2022 Certified Lab Listing by State (PDF | 159 KB)
- December 2021 List of Certified Laboratories and IITFs (PDF | 183 KB)
- December 2021 Certified Lab Listing by State (PDF | 154 KB)
- November 2021 List of Certified Laboratories and IITFs (PDF | 184 KB)
- November 2021 Certified Lab Listing by State (PDF | 117 KB)
- October 2021 List of Certified Laboratories and IITFs (PDF | 201 KB)
- October 2021 Certified Lab Listing by State (PDF | 117 KB)
- September 2021 List of Certified Laboratories and IITFs (PDF | 184 KB)
- September 2021 Certified Lab Listing by State (PDF | 117 KB)
- August 2021 List of Certified Laboratories and IITFs (PDF | 199 KB)
- August 2021 Certified Lab Listing by State (PDF | 113 KB)
- July 2021 List of Certified Laboratories and IITFs (PDF | 202 KB)
- July 2021 Certified Lab Listing by State (PDF | 113 KB)
- June 2021 List of Certified Laboratories and IITFs (PDF | 222 KB)
- June 2021 Certified Lab Listing by State (PDF | 113 KB)
- May 2021 List of Certified Laboratories and IITFs (PDF | 205 KB)
- May 2021 Certified Lab Listing by State (PDF | 117 KB)
- April 2021 List of Certified Laboratories and IITFs (PDF | 212 KB)
- April 2021 Certified Lab Listing by State (PDF | 113 KB)
- March 2021 List of Certified Laboratories and IITFs (PDF | 221 KB)
- March 2021 Certified Lab Listing by State (PDF | 113 KB)
- February 2021 List of Certified Laboratories and IITFs (PDF | 202 KB)
- February 2021 Certified Lab Listing by State (PDF | 113 KB)
- January 2021 List of Certified Laboratories and IITFs (PDF | 249 KB)
- January 2021 Certified Lab Listing by State (PDF | 423 KB)
- December 2020 List of Certified Laboratories and IITFs (PDF | 241 KB)
- December 2020 Certified Lab Listing by State (PDF | 107 KB)
- November 2020 List of Certified Laboratories and IITFs (PDF | 222 KB)
- November 2020 Certified Lab Listing by State (PDF | 107 KB)
- October 2020 List of Certified Laboratories and IITFs (PDF | 249 KB)
- October 2020 Certified Lab Listing by State (PDF | 423 KB)
- September 2020 List of Certified Laboratories and IITFs (PDF | 225 KB)
- September 2020 Certified Lab Listing by State (PDF | 107 KB)
- August 2020 List of Certified Laboratories and IITFs (PDF | 236 KB)
- August 2020 Certified Lab Listing by State (PDF | 85 KB)
- July 2020 List of Certified Laboratories and IITFs (PDF | 232 KB)
- July 2020 Certified Lab Listing by State (PDF | 85 KB)
- June 2020 List of Certified Laboratories and IITFs (PDF | 237 KB)
- June 2020 Certified Lab Listing by State (PDF | 85 KB)
- May 2020 List of Certified Laboratories and IITFs (PDF | 237 KB)
- May 2020 Certified Lab Listing by State (PDF | 420 KB)
- April 2020 List of Certified Laboratories and IITFs (PDF | 242 KB)
- April 2020 Certified Lab Listing by State (PDF | 420 KB)
- March 2020 List of Certified Laboratories and IITFs (PDF | 272 KB)
- March 2020 Certified Lab Listing by State (PDF | 422 KB)
- February 2020 List of Certified Laboratories and IITFs (PDF | 250 KB)
- February 2020 Certified Lab Listing by State (PDF | 422 KB)
- January 2020 List of Certified Laboratories and IITFs (PDF | 249 KB)
- January 2020 Certified Lab Listing by State (PDF | 353 KB)
- December 2019 List of Certified Laboratories and IITFs (PDF | 274 KB)
- December 2019 Certified Lab Listing by State (PDF | 201 KB)
- November 2019 List of Certified Laboratories and IITFs (PDF | 276 KB)
- November 2019 Certified Lab Listing by State (PDF | 201 KB)
- October 2019 Certified Laboratories and IITFs (PDF | 77 KB)
- Updates to October 2019 Certified Laboratories and IITFs (PDF | 282 KB)
- October 2019 Certified Lab Listing by State (PDF | 202 KB)
- September 2019 Certified Laboratories and IITFs (PDF | 824 KB)
- September 2019 Certified Lab Listing by State (PDF | 202 KB)
- August 2019 Certified Laboratories and IITFs (PDF | 284 KB)
- August 2019 Certified Lab Listing by State (PDF | 57 KB)
- July 2019 Certified Laboratories and IITFs (PDF | 288 KB)
- July 2019 Certified Lab Listing by State (PDF | 202 KB)
- June 2019 Certified Laboratories and IITFs (PDF | 172 KB)
- June 2019 Certified Lab Listing by State (PDF | 201 KB)
- May 2019 Certified Laboratories and IITFs (PDF | 227 KB)
- May 2019 Certified Lab Listing by State (PDF | 58 KB)
- April 2019 Certified Laboratories and IITFs (PDF | 204 KB)
- April 2019 Certified Lab Listing by State (PDF | 60 KB)
- March 2019 Certified Laboratories and IITFs (PDF | 202 KB)
- March 2019 Certified Lab Listing by State (PDF | 60 KB)
- February 2019 Certified Laboratories and IITFs (PDF | 171 KB)
- February 2019 Certified Lab Listing by State (PDF | 203 KB)
- December 2018 Certified Laboratories and IITFs (PDF | 173 KB)
- December 2018 Certified Lab Listing by State (PDF | 59 KB)
- November 2018 Certified Laboratories and IITFs (PDF | 174 KB)
- November 2018 Certified Lab Listing by State (PDF | 59 KB)
- October 2018 Certified Laboratories and IITFs (PDF | 81 KB)
- October 2018 Certified Lab Listing by State (PDF | 57 KB)
- September 2018 Certified Laboratories and IITFs (PDF | 81 KB)
- September 2018 Certified Lab Listing by State (PDF | 57 KB)
- August 2018 Certified Laboratories and IITFs (PDF | 190 KB)
- August 2018 Certified Lab Listing by State (PDF | 202 KB)
- July 2018 Certified Laboratories and IITFs (PDF | 173 KB)
- July 2018 Certified Lab Listing by State (PDF | 202 KB)
- June 2018 Certified Laboratories and IITFs (PDF | 173 KB)
- June 2018 Certified Lab Listing by State (PDF | 202 KB)
- May 2018 Certified Laboratories and IITFs (PDF | 190 KB)
- May 2018 Certified Lab Listing by State (PDF | 202 KB)
- April 2018 Certified Laboratories and IITFs (PDF | 190 KB)
- April 2018 Certified Lab Listing by State (PDF | 202 KB)
- March 2018 Certified Laboratories and IITFs (PDF | 190 KB)
- March 2018 Certified Lab Listing by State (PDF | 126 KB)
- February 2018 Certified Laboratories and IITFs (PDF | 190 KB)
- February 2018 Certified Lab Listing by State (PDF | 126 KB)
- January 2018 Certified Laboratories and IITFs (PDF | 189 KB)
- January 2018 Certified Lab Listing by State (PDF | 126 KB)
- December 2017 Certified Laboratories and IITFs (PDF | 214 KB)
- December 2017 Certified Lab Listing by State (PDF | 126 KB)
- November 2017 Certified Lab Listing by Laboratory (PDF | 188 KB)
- November 2017 Certified Lab Listing by State (PDF | 126 KB)
- October 2017 Certified Lab Listing by Laboratory (PDF | 188 KB)
- October 2017 Certified Lab Listing by State (PDF | 20 KB)
- September 2017 Certified Lab Listing by Laboratory (PDF | 191 KB)
- September 2017 Certified Lab Listing by State (PDF | 50 KB)
- August 2017 (PDF | 196 KB)
- July 2017 (PDF | 210 KB)
- June 2017 (PDF | 210 KB)
- May 2017 (PDF | 214 KB)
- April 2017 (PDF | 171 KB)
- March 2017 (PDF | 179 KB)
- February 2017 (PDF | 172 KB)
- January 2017 (PDF | 193 KB)
- December 2016 (PDF | 147 KB)
- November 2016 (PDF | 174 KB)
- October 2016 (PDF | 178 KB)
- September 2016 (PDF | 194 KB)
- August 2016 (PDF | 192 KB)
- July 2016 (PDF | 173 KB)
- June 2016 (PDF | 172 KB)
- May 2016 (PDF | 174 KB)
- April 2016 (PDF | 179 KB)
- March 2016 (PDF | 173 KB)
- February 2016 (PDF | 172 KB)
- January 2016 (PDF | 173 KB)
- December 2015 (PDF | 178 KB)
- November 2015 (PDF | 193 KB)
- October 2015 (PDF | 252 KB)
- September 2015 (PDF | 249 KB)
- August 2015 (PDF | 372 KB)
- July 2015 (PDF | 252 KB)
- June 2015 (PDF | 244 KB)
- May 2015 (PDF | 234 KB)
- April 2015 (PDF | 381 KB)
- March 2015 (PDF | 196 KB)
- February 2015 (PDF | 195 KB)
- January 2015 (PDF | 190 KB)
- December 2014 (PDF | 176 KB)
- November 2014 (PDF | 202 KB)
- October 2014 (PDF | 178 KB)
- September 2014 (PDF | 176 KB)
- August 2014 (PDF | 183 KB)
- July 2014 (PDF | 202 KB)
- June 2014 (PDF | 199 KB)
- May 2014 (PDF | 176 KB)
- April 2014 (PDF | 177 KB)
- March 2014 (PDF | 184 KB)
- February 2014 (PDF | 196 KB)
- January 2014 (PDF | 196 KB)
- December 2013 (PDF | 201 KB)
- November 2013 (PDF | 199 KB)
- October 2013 (PDF | 194 KB)
- September 2013 (PDF | 174 KB)
- August 2013 (PDF | 175 KB)
- July 2013 (PDF | 181 KB)
- June 2013 (PDF | 203 KB)
- May 2013 (PDF | 176 KB)
- April 2013 (PDF | 201 KB)
- March 2013 (PDF | 176 KB)
- February 2013 (PDF | 202 KB)
- January 2013 (PDF | 277 KB)
- December 2012 (PDF | 181 KB)
- November 2012 (PDF | 176 KB)
- October 2012 (PDF | 175 KB)
- September 2012 (PDF | 277 KB)
- August 2012 (PDF | 301 KB)
- July 2012 (PDF | 175 KB)
- June 2012 (PDF | 200 KB)
- May 2012 (PDF | 277 KB)
- April 2012 (PDF | 200 KB)
- March 2012 (PDF | 149 KB)
- February 2012 (PDF | 152 KB)
- January 2012 (PDF | 152 KB)
- December 2011 (PDF | 144 KB)
- November 2011 (PDF | 249 KB)
- October 2011 (PDF | 145 KB)
- September 2011 (PDF | 145 KB)
- August 2011 (PDF | 144 KB)
- July 2011 (PDF | 146 KB)
- June 2011 (PDF | 146 KB)
- May 2011 (PDF | 150 KB)
- April 2011 (PDF | 148 KB)
- March 2011 (PDF | 148 KB)
- February 2011 (PDF | 247 KB)
- January 2011 (PDF | 149 KB)
- December 2010 (PDF | 145 KB)
- November 2010 (PDF | 155 KB)
- October 2010 (PDF | 145 KB)
- September 2010 (PDF | 148 KB)
- August 2010 (PDF | 155 KB)
- July 2010 (PDF | 146 KB)
- June 2010 (PDF | 138 KB)
- May 2010 (PDF | 146 KB)
- April 2010 (PDF | 146 KB)
- March 2010 (PDF | 140 KB)
- February 2010 (PDF | 140 KB)
- January 2010 (PDF | 248 KB
- December 2009 (PDF | 139 KB)
- November 2009 (PDF | 139 KB)
- October 2009 (PDF | 142 KB)
- September 2009 (PDF | 140 KB)
- August 2009 (PDF | 163 KB)
- July 2009 (PDF | 244 KB)
- June 2009 (PDF | 146 KB)
- May 2009 (PDF | 143 KB)
- April 2009 (PDF | 147 KB)
- March 2009 (PDF | 142 KB)
- February 2009 (PDF | 146 KB)
- January 2009 (PDF | 147 KB)
- December 2008 (PDF | 146 KB)
- November 2008 (PDF | 142 KB)
- October 2008 (PDF | 139 KB)
- September 2008 (PDF | 140 KB)
- August 2008 (PDF | 143 KB)
- July 2008 (PDF | 146 KB)
- June 2008 (PDF | 142 KB)
- May 2008 (PDF | 143 KB)
- April 2008 (PDF | 144 KB)
- March 2008 (PDF | 148 KB)
- February 2008 (PDF | 143 KB)
- January 2008 (PDF | 142 KB)
- December 2007 (PDF | 146 KB)
- November 2007 (PDF | 144 KB)
- October 2007 (PDF | 149 KB)
- September 2007 (PDF | 148 KB)
- August 2007 (PDF | 148 KB)
- July 2007 (PDF | 149 KB)
- June 2007 (PDF | 143 KB)
- May 2007 (PDF | 149 KB)
- April 2007 (PDF | 142 KB)
- March 2007 (PDF | 142 KB)
- February 2007 (PDF | 148 KB)
- January 2007 (PDF | 142 KB)
- December 2006 (PDF | 141 KB)
- November 2006 (PDF | 147 KB)
- October 2006 (PDF | 150 KB)
- September 2006 (PDF | 143 KB)
- August 2006 (PDF | 147 KB)
- July 2006 (PDF | 149 KB)
- June 2006 (PDF | 132 KB)
- May 2006 (PDF | 150 KB)
- April 2006 (PDF | 143 KB)
- March 2006 (PDF | 143 KB)
- February 2006 (PDF | 145 KB)
- January 2006 (PDF | 151 KB)
- December 2005 (PDF | 144 KB)
- November 2005 (PDF | 247 KB)
- October 2005 (PDF | 147 KB)
- September 2005 (PDF | 148 KB)
- August 2005 (PDF | 149 KB)
- July 2005 (PDF | 149 KB)
- June 2005 (PDF | 146 KB)
- May 2005 (PDF | 152 KB)
- April 2005 (PDF | 145 KB)
- March 2005 (PDF | 145 KB)
- February 2005 (PDF | 149 KB)
- January 2005 (PDF | 150 KB)