BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 1383 , TESTIDCODE: 34571GCM57
DATES: 10/08/98 - 04/15/14

 Expected Conc. = 35.441 
 Median Pct Recovery = 85%  Expected Conc. = 33.816 
 Median Pct Recovery = 85%  Expected Conc. = 33.816 
 Median Pct Recovery = 85%  Expected Conc. = 33.257 
 Median Pct Recovery = 85%  Expected Conc. = 33.257 
 Median Pct Recovery = 85%  Expected Conc. = 17.857 
 Median Pct Recovery = 85%  Expected Conc. = 17.857 
 Median Pct Recovery = 85%  Expected Conc. = 16.913 
 Median Pct Recovery = 85%  Expected Conc. = 16.913 
 Median Pct Recovery = 85%  Expected Conc. = 16.863 
 Median Pct Recovery = 85%  Expected Conc. = 16.863 
 Median Pct Recovery = 85%  Expected Conc. = 16.56 
 Median Pct Recovery = 85%  Expected Conc. = 16.56 
 Median Pct Recovery = 85%  Expected Conc. = 15.339 
 Median Pct Recovery = 85%  Expected Conc. = 15.339 
 Median Pct Recovery = 85%  Expected Conc. = 9.5511 
 Median Pct Recovery = 85%  Expected Conc. = 9.5511 
 Median Pct Recovery = 85%  Expected Conc. = 9.5017 
 Median Pct Recovery = 85%  Expected Conc. = 9.5017 
 Median Pct Recovery = 85%  Expected Conc. = 9.4947 
 Median Pct Recovery = 85%  Expected Conc. = 9.4947 
 Median Pct Recovery = 85%  Expected Conc. = 9.1551 
 Median Pct Recovery = 85%  Expected Conc. = 9.1551 
 Median Pct Recovery = 85%  Expected Conc. = 8.9844 
 Median Pct Recovery = 85%  Expected Conc. = 8.9844 
 Median Pct Recovery = 85%  Expected Conc. = 8.9249 
 Median Pct Recovery = 85%  Expected Conc. = 8.9249 
 Median Pct Recovery = 85%  Expected Conc. = 8.9083 
 Median Pct Recovery = 85%  Expected Conc. = 8.9083 
 Median Pct Recovery = 85%  Expected Conc. = 8.499 
 Median Pct Recovery = 85%  Expected Conc. = 8.499 
 Median Pct Recovery = 85%  Expected Conc. = 8.4809 
 Median Pct Recovery = 85%  Expected Conc. = 8.4809 
 Median Pct Recovery = 85%  Expected Conc. = 8.0743 
 Median Pct Recovery = 85%  Expected Conc. = 8.0743 
 Median Pct Recovery = 85%  Expected Conc. = 6.4307 
 Median Pct Recovery = 85%  Expected Conc. = 6.4307 
 Median Pct Recovery = 85%  Expected Conc. = 6.2129 
 Median Pct Recovery = 85%  Expected Conc. = 6.2129 
 Median Pct Recovery = 85%  Expected Conc. = 6.1717 
 Median Pct Recovery = 85%  Expected Conc. = 6.1717 
 Median Pct Recovery = 85%  Expected Conc. = 6.1412 
 Median Pct Recovery = 85%  Expected Conc. = 6.1412 
 Median Pct Recovery = 85%  Expected Conc. = 5.7878 
 Median Pct Recovery = 85%  Expected Conc. = 5.7878 
 Median Pct Recovery = 85%  Expected Conc. = 5.6663 
 Median Pct Recovery = 85%  Expected Conc. = 5.6663 
 Median Pct Recovery = 85%  Expected Conc. = 4.9135 
 Median Pct Recovery = 85%  Expected Conc. = 4.9135 
 Median Pct Recovery = 85%  Expected Conc. = 4.8314 
 Median Pct Recovery = 85%  Expected Conc. = 4.8314 
 Median Pct Recovery = 85%  Expected Conc. = 4.775 
 Median Pct Recovery = 85%  Expected Conc. = 4.775 
 Median Pct Recovery = 85%  Expected Conc. = 4.7693 
 Median Pct Recovery = 85%  Expected Conc. = 4.7693 
 Median Pct Recovery = 85%  Expected Conc. = 4.7423 
 Median Pct Recovery = 85%  Expected Conc. = 4.7423 
 Median Pct Recovery = 85%  Expected Conc. = 4.2283 
 Median Pct Recovery = 85%  Expected Conc. = 4.2283 
 Median Pct Recovery = 85%  Expected Conc. = 4.0492 
 Median Pct Recovery = 85%  Expected Conc. = 4.0492 
 Median Pct Recovery = 85%  Expected Conc. = 4.0466 
 Median Pct Recovery = 85%  Expected Conc. = 4.0466 
 Median Pct Recovery = 85%  Expected Conc. = 4.0277 
 Median Pct Recovery = 85%  Expected Conc. = 4.0277 
 Median Pct Recovery = 85%  Expected Conc. = 3.9864 
 Median Pct Recovery = 85%  Expected Conc. = 3.9864 
 Median Pct Recovery = 85%  Expected Conc. = 3.76 
 Median Pct Recovery = 85%  Expected Conc. = 3.76 
 Median Pct Recovery = 85%  Expected Conc. = 3.76 
 Median Pct Recovery = 85%  Expected Conc. = 3.76 
 Median Pct Recovery = 85%  Expected Conc. = 3.7328 
 Median Pct Recovery = 85%  Expected Conc. = 3.7328 
 Median Pct Recovery = 85%  Expected Conc. = 3.2858 
 Median Pct Recovery = 85%  Expected Conc. = 3.2858 
 Median Pct Recovery = 85%  Expected Conc. = 3.0501 
 Median Pct Recovery = 85%  Expected Conc. = 3.0501 
 Median Pct Recovery = 85%  Expected Conc. = 3.0091 
 Median Pct Recovery = 85%  Expected Conc. = 3.0091 
 Median Pct Recovery = 85%  Expected Conc. = 2.5464 
 Median Pct Recovery = 85%  Expected Conc. = 2.5464 
 Median Pct Recovery = 85%  Expected Conc. = 2.54 
 Median Pct Recovery = 85%  Expected Conc. = 2.54 
 Median Pct Recovery = 85%  Expected Conc. = 2.5284 
 Median Pct Recovery = 85%  Expected Conc. = 2.5284 
 Median Pct Recovery = 85%  Expected Conc. = 2.48 
 Median Pct Recovery = 85%  Expected Conc. = 2.48 
 Median Pct Recovery = 85%  Expected Conc. = 2.21 
 Median Pct Recovery = 85%  Expected Conc. = 2.21 
 Median Pct Recovery = 85%  Expected Conc. = 2.0405 
 Median Pct Recovery = 85%  Expected Conc. = 2.0405 
 Median Pct Recovery = 85%  Expected Conc. = 2.0093 
 Median Pct Recovery = 85%  Expected Conc. = 2.0093 
 Median Pct Recovery = 85%  Expected Conc. = 2.0063 
 Median Pct Recovery = 85%  Expected Conc. = 2.0063 
 Median Pct Recovery = 85%  Expected Conc. = 1.9969 
 Median Pct Recovery = 85%  Expected Conc. = 1.9969 
 Median Pct Recovery = 85%  Expected Conc. = 1.9718 
 Median Pct Recovery = 85%  Expected Conc. = 1.9718 
 Median Pct Recovery = 85%  Expected Conc. = 1.9268 
 Median Pct Recovery = 85%  Expected Conc. = 1.9268 
 Median Pct Recovery = 85%  Expected Conc. = 1.8939 
 Median Pct Recovery = 85%  Expected Conc. = 1.8939 
 Median Pct Recovery = 85%  Expected Conc. = 1.8779 
 Median Pct Recovery = 85%  Expected Conc. = 1.8779 
 Median Pct Recovery = 85%  Expected Conc. = 1.8639 
 Median Pct Recovery = 85%  Expected Conc. = 1.8639 
 Median Pct Recovery = 85%  Expected Conc. = 1.7645 
 Median Pct Recovery = 85%  Expected Conc. = 1.7645 
 Median Pct Recovery = 85%  Expected Conc. = 1.7068 
 Median Pct Recovery = 85%  Expected Conc. = 1.7068 
 Median Pct Recovery = 85%  Expected Conc. = 1.6808 
 Median Pct Recovery = 85%  Expected Conc. = 1.6808 
 Median Pct Recovery = 85%  Expected Conc. = 1.6703 
 Median Pct Recovery = 85%  Expected Conc. = 1.6703 
 Median Pct Recovery = 85%  Expected Conc. = 1.6612 
 Median Pct Recovery = 85%  Expected Conc. = 1.6612 
 Median Pct Recovery = 85%  Expected Conc. = 1.5054 
 Median Pct Recovery = 85%  Expected Conc. = 1.5054 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.4809 
 Median Pct Recovery = 85%  Expected Conc. = 1.4809 
 Median Pct Recovery = 85%  Expected Conc. = 1.27 
 Median Pct Recovery = 85%  Expected Conc. = 1.27 
 Median Pct Recovery = 85%  Expected Conc. = 1.27 
 Median Pct Recovery = 85%  Expected Conc. = 1.27 
 Median Pct Recovery = 85%  Expected Conc. = 1.24 
 Median Pct Recovery = 85%  Expected Conc. = 1.24 
 Median Pct Recovery = 85%  Expected Conc. = 1.24 
 Median Pct Recovery = 85%  Expected Conc. = 1.24 
 Median Pct Recovery = 85%  Expected Conc. = 1.1395 
 Median Pct Recovery = 85%  Expected Conc. = 1.1395 
 Median Pct Recovery = 85%  Expected Conc. = 1.1395 
 Median Pct Recovery = 85%  Expected Conc. = 1.1395 
 Median Pct Recovery = 85%  Expected Conc. = 1.1239 
 Median Pct Recovery = 85%  Expected Conc. = 1.1239 
 Median Pct Recovery = 85%  Expected Conc. = 1.1055 
 Median Pct Recovery = 85%  Expected Conc. = 1.1055 
 Median Pct Recovery = 85%  Expected Conc. = 1.105 
 Median Pct Recovery = 85%  Expected Conc. = 1.105 
 Median Pct Recovery = 85%  Expected Conc. = 1.105 
 Median Pct Recovery = 85%  Expected Conc. = 1.105 
 Median Pct Recovery = 85%  Expected Conc. = 1.1 
 Median Pct Recovery = 85%  Expected Conc. = 1.1 
 Median Pct Recovery = 85%  Expected Conc. = 1.0979 
 Median Pct Recovery = 85%  Expected Conc. = 1.0979 
 Median Pct Recovery = 85%  Expected Conc. = 1.0917 
 Median Pct Recovery = 85%  Expected Conc. = 1.0917 
 Median Pct Recovery = 85%  Expected Conc. = 1.0913 
 Median Pct Recovery = 85%  Expected Conc. = 1.0913 
 Median Pct Recovery = 85%  Expected Conc. = 0.9529 
 Median Pct Recovery = 85%  Expected Conc. = 0.9529 
 Median Pct Recovery = 85%  Expected Conc. = 0.9511 
 Median Pct Recovery = 85%  Expected Conc. = 0.9511 
 Median Pct Recovery = 85%  Expected Conc. = 0.9442 
 Median Pct Recovery = 85%  Expected Conc. = 0.9442 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.94 
 Median Pct Recovery = 85%  Expected Conc. = 0.9373 
 Median Pct Recovery = 85%  Expected Conc. = 0.9373 
 Median Pct Recovery = 85%  Expected Conc. = 0.9267 
 Median Pct Recovery = 85%  Expected Conc. = 0.9267 
 Median Pct Recovery = 85%  Expected Conc. = 0.8538 
 Median Pct Recovery = 85%  Expected Conc. = 0.8538 
 Median Pct Recovery = 85%  Expected Conc. = 0.8493 
 Median Pct Recovery = 85%  Expected Conc. = 0.8493 
 Median Pct Recovery = 85%  Expected Conc. = 0.8435 
 Median Pct Recovery = 85%  Expected Conc. = 0.8435 
 Median Pct Recovery = 85%  Expected Conc. = 0.842 
 Median Pct Recovery = 85%  Expected Conc. = 0.842 
 Median Pct Recovery = 85%  Expected Conc. = 0.8274 
 Median Pct Recovery = 85%  Expected Conc. = 0.8274 
 Median Pct Recovery = 85%  Expected Conc. = 0.508 
 Median Pct Recovery = 85%  Expected Conc. = 0.508 
 Median Pct Recovery = 85%  Expected Conc. = 0.508 
 Median Pct Recovery = 85%  Expected Conc. = 0.508 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.496 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.442 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 0.44 
 Median Pct Recovery = 85%  Expected Conc. = 1.3555 
 Median Pct Recovery = 85%  Expected Conc. = 1.3555 
 Median Pct Recovery = 85%  Expected Conc. = 0.0876 
 Median Pct Recovery = 85%  Expected Conc. = 0.0876 
 Median Pct Recovery = 85%  Expected Conc. = 0.0867 
 Median Pct Recovery = 85%  Expected Conc. = 0.0867 
 Median Pct Recovery = 85%  Expected Conc. = 0.0847 
 Median Pct Recovery = 85%  Expected Conc. = 0.0847 
 Median Pct Recovery = 85%  Expected Conc. = 0.013 
 Median Pct Recovery = 85%  Expected Conc. = 0.013 
 Median Pct Recovery = 85%  Expected Conc. = 71.454 
 Median Pct Recovery = 85%  Expected Conc. = 71.454 
 Median Pct Recovery = 85%  Expected Conc. = 70.922 
 Median Pct Recovery = 85%  Expected Conc. = 70.922 
 Median Pct Recovery = 85%  Expected Conc. = 30.306 
 Median Pct Recovery = 85%  Expected Conc. = 30.306 
 Median Pct Recovery = 85%  Expected Conc. = 24.74 
 Median Pct Recovery = 85%  Expected Conc. = 24.74 
 Median Pct Recovery = 85%  Expected Conc. = 24.707 
 Median Pct Recovery = 85%  Expected Conc. = 24.707 
 Median Pct Recovery = 85%  Expected Conc. = 24.183 
 Median Pct Recovery = 85%  Expected Conc. = 24.183 
 Median Pct Recovery = 85%  Expected Conc. = 23.921 
 Median Pct Recovery = 85%  Expected Conc. = 23.921 
 Median Pct Recovery = 85%  Expected Conc. = 22.386 
 Median Pct Recovery = 85%  Expected Conc. = 22.386 
 Median Pct Recovery = 85%  Expected Conc. = 22.296 
 Median Pct Recovery = 85%  Expected Conc. = 22.296 
 Median Pct Recovery = 85%  Expected Conc. = 21.471 
 Median Pct Recovery = 85%  Expected Conc. = 21.471 
 Median Pct Recovery = 85%  Expected Conc. = 21.136 
 Median Pct Recovery = 85%  Expected Conc. = 21.136 
 Median Pct Recovery = 85%  Expected Conc. = 20.729 
 Median Pct Recovery = 85%  Expected Conc. = 20.729 
 Median Pct Recovery = 85%  Expected Conc. = 20.703 
 Median Pct Recovery = 85%  Expected Conc. = 20.703 
 Median Pct Recovery = 85%  Expected Conc. = 16.574 
 Median Pct Recovery = 85%  Expected Conc. = 16.574 
 Median Pct Recovery = 85%  Expected Conc. = 15.337 
 Median Pct Recovery = 85%  Expected Conc. = 15.337 
 Median Pct Recovery = 85%  Expected Conc. = 11.826 
 Median Pct Recovery = 85%  Expected Conc. = 11.826 
 Median Pct Recovery = 85%  Expected Conc. = 11.436 
 Median Pct Recovery = 85%  Expected Conc. = 11.436 
 Median Pct Recovery = 85%  Expected Conc. = 8.6938 
 Median Pct Recovery = 85%  Expected Conc. = 8.6938 
 Median Pct Recovery = 85%  Expected Conc. = 6.2638 
 Median Pct Recovery = 85%  Expected Conc. = 6.2638 
 Median Pct Recovery = 85%  Expected Conc. = 6.1634 
 Median Pct Recovery = 85%  Expected Conc. = 6.1634 
 Median Pct Recovery = 85%  Expected Conc. = 2.0447 
 Median Pct Recovery = 85%  Expected Conc. = 2.0447 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 1.504 
 Median Pct Recovery = 85%  Expected Conc. = 0.0135 
 Median Pct Recovery = 85%  Expected Conc. = 0.0135 
 Median Pct Recovery = 85%  Expected Conc. = 0.0131 
 Median Pct Recovery = 85%  Expected Conc. = 0.0131 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0.0125 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Analysis Date = 04/27/99 
 SpikeMix = Protocol R990115013: 400 Ál 
 Pct Recovery = 65%  Analysis Date = 12/21/99 
 SpikeMix = Protocol R990115013: 400 Ál 
 Pct Recovery = 80%  Analysis Date = 07/09/99 
 SpikeMix = Protocol R990115013: 400 Ál 
 Pct Recovery = 87%  Analysis Date = 03/09/99 
 SpikeMix = Protocol R990115013: 200 Ál 
 Pct Recovery = 84%  Analysis Date = 10/07/99 
 SpikeMix = Protocol R990115013: 200 Ál 
 Pct Recovery = 89%  Analysis Date = 05/24/99 
 SpikeMix = Protocol R990115013: 200 Ál 
 Pct Recovery = 83%  Analysis Date = 07/20/99 
 SpikeMix = Protocol R990115013: 200 Ál 
 Pct Recovery = 91%  Analysis Date = 10/08/98 
 SpikeMix = ERA 1211-97-11F: 250 Ál & ERA 1211-97-11E: 250 Ál 
 Pct Recovery = 33%  Analysis Date = 08/05/05 
 SpikeMix = Protocol S1040728002: 50 Ál 
 Pct Recovery = 101%  Analysis Date = 03/01/05 
 SpikeMix = Protocol S1040728002: 50 Ál 
 Pct Recovery = 102%  Analysis Date = 06/06/05 
 SpikeMix = Protocol S1040728002: 50 Ál 
 Pct Recovery = 76%  Analysis Date = 07/23/04 
 SpikeMix = Protocol S1031007007: 75 Ál 
 Pct Recovery = 86%  Analysis Date = 01/07/04 
 SpikeMix = Protocol S1031007007: 75 Ál 
 Pct Recovery = 69%  Analysis Date = 04/09/04 
 SpikeMix = Protocol S1031007007: 75 Ál 
 Pct Recovery = 90%  Analysis Date = 11/05/04 
 SpikeMix = Protocol S1031007007: 75 Ál 
 Pct Recovery = 93%  Analysis Date = 11/03/98 
 SpikeMix = Protocol A970423D: 100 Ál 
 Pct Recovery = 82%  Analysis Date = 02/22/06 
 SpikeMix = Protocol R1050720008: 50 Ál 
 Pct Recovery = 67%  Analysis Date = 06/30/06 
 SpikeMix = Protocol R1050720008: 50 Ál 
 Pct Recovery = 77%  Analysis Date = 02/26/99 
 SpikeMix = ERA 1211-97-11E: 100 Ál & ERA 1211-97-11F: 100 Ál 
 Pct Recovery = 47%  Analysis Date = 02/02/99 
 SpikeMix = ERA 1211-97-11E: 100 Ál & ERA 1211-97-11F: 100 Ál 
 Pct Recovery = 64%  Analysis Date = 12/22/98 
 SpikeMix = ERA 1211-97-11F: 100 Ál & ERA 1211-97-11E: 100 Ál 
 Pct Recovery = 49%  Analysis Date = 11/05/04 
 SpikeMix = Protocol S1031007007: 50 Ál 
 Pct Recovery = 55%  Analysis Date = 12/06/05 
 SpikeMix = Protocol S1040728002: 30 Ál 
 Pct Recovery = 92%  Analysis Date = 07/01/05 
 SpikeMix = Protocol S1040728002: 30 Ál 
 Pct Recovery = 94%  Analysis Date = 11/21/03 
 SpikeMix = Protocol S1031007007: 40 Ál 
 Pct Recovery = 61%  Analysis Date = 05/12/04 
 SpikeMix = Protocol S1031007007: 40 Ál 
 Pct Recovery = 97%  Analysis Date = 06/06/05 
 SpikeMix = Protocol S1040728002: 25 Ál 
 Pct Recovery = 92%  Analysis Date = 02/20/04 
 SpikeMix = Protocol S1031007007: 40 Ál 
 Pct Recovery = 96%  Analysis Date = 02/03/05 
 SpikeMix = Protocol S1040728002: 25 Ál 
 Pct Recovery = 91%  Analysis Date = 02/07/06 
 SpikeMix = Protocol R1050720008: 25 Ál 
 Pct Recovery = 83%  Analysis Date = 10/15/07 
 SpikeMix = ERA 0714-06-02: 50 Ál 
 Pct Recovery = 62%  Analysis Date = 04/28/07 
 SpikeMix = Restek A046609: 50 Ál 
 Pct Recovery = 92%  Analysis Date = 08/27/07 
 SpikeMix = Restek A046609: 50 Ál 
 Pct Recovery = 84%  Analysis Date = 08/03/07 
 SpikeMix = ERA 0714-06-02: 50 Ál 
 Pct Recovery = 87%  Analysis Date = 03/08/12 
 SpikeMix = ERA 0618-10-02 LS1383#1: 200 Ál 
 Pct Recovery = 86%  Analysis Date = 09/15/11 
 SpikeMix = ERA 0618-10-02 LS1383#1: 200 Ál 
 Pct Recovery = 82%  Analysis Date = 04/19/11 
 SpikeMix = Crescent 06MM151: 200 Ál 
 Pct Recovery = 87%  Analysis Date = 06/03/06 
 SpikeMix = Protocol R1050720008: 20 Ál & Absolute 072204BNA: 20 Ál 
 Pct Recovery = 79%  Analysis Date = 08/25/09 
 SpikeMix = Restek A062189: 40 Ál 
 Pct Recovery = 84%  Analysis Date = 04/07/09 
 SpikeMix = NSI 080508-01BNA: 40 Ál 
 Pct Recovery = 13%  Analysis Date = 05/19/06 
 SpikeMix = Protocol R1050720008: 15 Ál 
 Pct Recovery = 82%  Analysis Date = 01/08/13 
 SpikeMix = ERA 0507-12-03.1: 100 Ál & NSI 060612-01: 100 Ál 
 Pct Recovery = 89%  Analysis Date = 08/30/06 
 SpikeMix = Protocol R1050720008: 15 Ál 
 Pct Recovery = 81%  Analysis Date = 12/19/12 
 SpikeMix = Spex Organics T1120510016: 100 Ál & ChemService 348100: 100 Ál 
 Pct Recovery = 81%  Analysis Date = 04/15/14 
 SpikeMix = Accu 213041074: 100 Ál & Crescent 04CC149: 100 Ál 
 Pct Recovery = 78%  Analysis Date = 06/07/07 
 SpikeMix = Restek A046609: 25 Ál 
 Pct Recovery = 86%  Analysis Date = 03/13/09 
 SpikeMix = Restek A062189: 25 Ál 
 Pct Recovery = 85%  Analysis Date = 03/04/09 
 SpikeMix = NSI 080508-01BNA: 25 Ál 
 Pct Recovery = 95%  Analysis Date = 10/18/07 
 SpikeMix = Restek A046609: 25 Ál 
 Pct Recovery = 93%  Analysis Date = 04/13/07 
 SpikeMix = ERA 0714-06-02: 25 Ál 
 Pct Recovery = 82%  Analysis Date = 09/22/09 
 SpikeMix = Restek A062189: 25 Ál 
 Pct Recovery = 62%  Analysis Date = 08/04/09 
 SpikeMix = Restek A062189: 25 Ál 
 Pct Recovery = 88%  Analysis Date = 07/07/09 
 SpikeMix = NSI 080508-01BNA: 25 Ál 
 Pct Recovery = 97%  Analysis Date = 09/01/09 
 SpikeMix = NSI 080508-01BNA: 25 Ál 
 Pct Recovery = 86%  Analysis Date = 06/09/08 
 SpikeMix = Ultra CD-2093: 40 Ál 
 Pct Recovery = 87%  Analysis Date = 10/21/10 
 SpikeMix = Spex Organics T1090824002: 80 Ál 
 Pct Recovery = 86%  Analysis Date = 04/12/06 
 SpikeMix = Protocol R1050720008: 10 Ál 
 Pct Recovery = 77%  Analysis Date = 12/15/09 
 SpikeMix = Spex Organics T1090824002: 80 Ál 
 Pct Recovery = 78%  Analysis Date = 05/13/10 
 SpikeMix = Ultra CF-3574: 80 Ál 
 Pct Recovery = 82%  Analysis Date = 05/16/11 
 SpikeMix = Crescent 06MM151: 80 Ál 
 Pct Recovery = 74%  Analysis Date = 01/28/12 
 SpikeMix = Crescent 06MM151: 80 Ál 
 Pct Recovery = 86%  Analysis Date = 01/10/12 
 SpikeMix = ERA 0618-10-02 LS1383#1: 80 Ál 
 Pct Recovery = 74%  Analysis Date = 10/12/11 
 SpikeMix = ERA 0618-10-02 LS1383#1: 80 Ál 
 Pct Recovery = 88%  Analysis Date = 09/16/11 
 SpikeMix = Crescent 06MM151: 80 Ál 
 Pct Recovery = 91%  Analysis Date = 01/25/11 
 SpikeMix = ERA 0618-10-02 LS1383#1: 80 Ál 
 Pct Recovery = 60%  Analysis Date = 12/19/12 
 SpikeMix = Spex Organics T1120510016: 50 Ál & ERA 0507-12-03.1: 50 Ál 
 Pct Recovery = 83%  Analysis Date = 10/26/12 
 SpikeMix = ERA 0507-12-03.1: 50 Ál & NSI 060612-01: 50 Ál 
 Pct Recovery = 94%  Analysis Date = 05/10/13 
 SpikeMix = Supelco LB92780: 50 Ál & ChemService 348100: 50 Ál 
 Pct Recovery = 90%  Analysis Date = 09/18/12 
 SpikeMix = Restek A088363: 50 Ál & ChemService 348100: 50 Ál 
 Pct Recovery = 78%  Analysis Date = 02/11/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 51%  Analysis Date = 01/16/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 78%  Analysis Date = 05/08/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 101%  Analysis Date = 05/08/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 88%  Analysis Date = 09/10/13 
 SpikeMix = Crescent 04CC149: 50 Ál & Abs 040913: 50 Ál 
 Pct Recovery = 88%  Analysis Date = 08/06/13 
 SpikeMix = Accu 213041074: 50 Ál & Crescent 04CC149: 50 Ál 
 Pct Recovery = 88%  Analysis Date = 01/30/14 
 SpikeMix = Spex Organics T1130514011: 50 Ál & Abs 040913: 50 Ál 
 Pct Recovery = 95%  Analysis Date = 07/14/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 91%  Analysis Date = 08/19/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 102%  Analysis Date = 09/21/08 
 SpikeMix = Ultra CD-2093: 25 Ál 
 Pct Recovery = 96%  Analysis Date = 06/07/11 
 SpikeMix = ERA 0618-10-02 LS1383#1: 50 Ál 
 Pct Recovery = 79%  Analysis Date = 07/14/11 
 SpikeMix = Crescent 06MM151: 50 Ál 
 Pct Recovery = 83%  Analysis Date = 03/17/11 
 SpikeMix = ERA 0618-10-02 LS1383#1: 50 Ál 
 Pct Recovery = 93%  Analysis Date = 07/12/12 
 SpikeMix = ERA 0618-10-02 LS1383#1: 50 Ál 
 Pct Recovery = 74%  Analysis Date = 04/18/12 
 SpikeMix = ERA 0618-10-02 LS1383#1: 50 Ál 
 Pct Recovery = 78%  Analysis Date = 04/17/12 
 SpikeMix = Crescent 06MM151: 50 Ál 
 Pct Recovery = 85%  Analysis Date = 03/20/12 
 SpikeMix = ERA 0618-10-02 LS1383#1: 50 Ál 
 Pct Recovery = 94%  Analysis Date = 01/10/12 
 SpikeMix = Crescent 06MM151: 50 Ál 
 Pct Recovery = 88%  Analysis Date = 12/02/10 
 SpikeMix = Crescent 06MM151: 50 Ál 
 Pct Recovery = 85%  Analysis Date = 01/25/11 
 SpikeMix = Crescent 06MM151: 50 Ál 
 Pct Recovery = 91%  Analysis Date = 10/19/10 
 SpikeMix = Ultra CF-3574: 40 Ál 
 Pct Recovery = 92%  Analysis Date = 07/28/10 
 SpikeMix = Spex Organics T1090824002: 40 Ál 
 Pct Recovery = 80%  Analysis Date = 07/15/10 
 SpikeMix = Ultra CF-3574: 40 Ál 
 Pct Recovery = 69%  Analysis Date = 05/18/10 
 SpikeMix = Spex Organics T1090824002: 40 Ál 
 Pct Recovery = 80%  Analysis Date = 01/21/10 
 SpikeMix = Ultra CF-3574: 40 Ál 
 Pct Recovery = 67%  Analysis Date = 03/06/13 
 SpikeMix = Spex Organics T1120510016: 20 Ál & ERA 0507-12-03.1: 20 Ál 
 Pct Recovery = 76%  Analysis Date = 08/10/12 
 SpikeMix = ERA 0507-12-03.1: 20 Ál & Supelco LB92780: 20 Ál 
 Pct Recovery = 82%  Analysis Date = 04/03/13 
 SpikeMix = ChemService 348100: 20 Ál & NSI 060612-01: 20 Ál 
 Pct Recovery = 59%  Analysis Date = 12/19/12 
 SpikeMix = ChemService 348100: 20 Ál & NSI 060612-01: 20 Ál 
 Pct Recovery = 78%  Analysis Date = 07/27/12 
 SpikeMix = Spex Organics T1120510016: 20 Ál & ChemService 348100: 20 Ál 
 Pct Recovery = 81%  Analysis Date = 03/19/14 
 SpikeMix = Crescent 04CC149: 20 Ál & Supelco LB99395: 20 Ál 
 Pct Recovery = 72%  Analysis Date = 07/25/13 
 SpikeMix = Crescent 04CC149: 20 Ál & Abs 040913: 20 Ál 
 Pct Recovery = 91%  Analysis Date = 06/18/13 
 SpikeMix = ERA 0318-13-01.1: 20 Ál & Crescent 04CC149: 20 Ál 
 Pct Recovery = 93%  Analysis Date = 04/15/14 
 SpikeMix = Spex Organics T1130514011: 20 Ál & Supelco LB99395: 20 Ál 
 Pct Recovery = 70%  Analysis Date = 01/30/14 
 SpikeMix = ERA 0318-13-01.1: 20 Ál & Spex Organics T1130514011: 20 Ál 
 Pct Recovery = 81%  Analysis Date = 11/26/13 
 SpikeMix = Accu 213041074: 20 Ál & Spex Organics T1130514011: 20 Ál 
 Pct Recovery = 97%  Analysis Date = 11/25/13 
 SpikeMix = Spex Organics T1130514011: 20 Ál & Supelco LB99395: 20 Ál 
 Pct Recovery = 88%  Analysis Date = 10/31/13 
 SpikeMix = ERA 0318-13-01.1: 20 Ál & Spex Organics T1130514011: 20 Ál 
 Pct Recovery = 80%  Analysis Date = 12/06/05 
 SpikeMix = Protocol R1050720008: 8 Ál 
 Pct Recovery = 89%  Analysis Date = 02/24/00 
 SpikeMix = Protocol W991208006: 500 Ál 
 Pct Recovery = 91%  Analysis Date = 08/16/00 
 SpikeMix = Protocol W991208006: 500 Ál 
 Pct Recovery = 92%  Analysis Date = 11/01/00 
 SpikeMix = Protocol W991208006: 500 Ál 
 Pct Recovery = 106%  Analysis Date = 06/14/00 
 SpikeMix = Protocol W991208006: 75 Ál 
 Pct Recovery = 154%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Y = 1
The SGPlot Procedure