BQS OBSP Determination:
TETRACHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34475GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.1 
 Median Pct Recovery = 111%  Expected Conc. = 0.1 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 113%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 132%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 99%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 112%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 110%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 137%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 127%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 142%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 132%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 127%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 136%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 105%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 123%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 131%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 105%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 124%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 114%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 113%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 113%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 127%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 159%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 125%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 128%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 125%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 112%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 91%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 114%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 109%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 117%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 114%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 135%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 114%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 124%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 113%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 110%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 157%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 111%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 127%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Y = 1
The SGPlot Procedure