QCS Proficiency Testing Program
| Month | Date Samples Shipped to Labs | Due Date for Results | Batch Number |
|---|---|---|---|
| January | January 14 | January 18 | 254 |
| Febuary | February 11 | February 15 | 255 |
| March | March 11 | March 15 | 256 |
| April | April 8 | April 12 | 257 |
| May | May 13 | May 17 | 258 |
| June | June 10 | June 14 | 259 |
| July | July 15 | July 19 | 260 |
| August | August 12 | August 16 | 261 |
| September | September 16 | September 20 | 262 |
| October | October 14 | October 18 | 263 |
| November | November 11 | November 15 | 264 |
| December | December 9 | December 13 | 265 |