Page 43 - Application Notebook - PFAS Analysis

No. SSI-LCMS-106

Table 8: Surface Water -Surrogates Spike Recoveries: Accuracy (%recovery) and precision (%RSD) at 160 ng/L.

Sample ID 160 ng/L #1 160 ng/L #2 160 ng/L #3 160 ng/L #4 %Average Recovery (ng/L) %RSD
d3-NMeFOSAA 159.9 134.1 139.7 132.6 88.5 8.9
d5-NEtFOSAA 133.1 144.2 140.6 111.3 82.7 11.1
M2-4-2 FTS 149.9 134.2 122.9 132.3 84.3 8.3
M2-6-2 FTS 141.3 124.5 134.4 132.6 83.3 5.2
M2-8-2 FTS 143.2 131.1 128.0 116.8 81.1 8.4
M2PFDoA 157.3 146.4 146.2 137.8 91.8 5.4
M2PFTreA 155.9 138.4 135.4 137.4 88.6 6.7
M3PFBS 153.7 136.2 143.5 132.2 88.4 6.7
M3PFHxS 153.5 128.0 143.6 131.4 87.0 8.4
M4PFBA 155.8 140.6 141.6 132.9 89.2 6.7
M4PFHpA 155.9 139.4 140.2 130.7 88.5 7.4
M5PFHxA 162.8 144.8 142.2 129.2 90.5 9.6
M5PFPeA 158.2 144.1 140.1 136.8 90.5 6.5
M6PFDA 148.1 137.5 138.5 138.1 87.9 3.6
M7PFUnA 151.2 145.2 143.9 143.2 91.2 2.5
M8FOSA 155.3 149.2 131.9 135.2 89.3 7.8
M8PFOA 156.7 138.5 146.7 136.6 90.4 6.3
M8PFOS 141.2 139.1 136.7 120.8 84.1 6.9
M9PFNA 157.2 136.0 144.3 132.3 89.1 7.7

Table 9: Wastewater- Surrogates Recoveries: Accuracy (%recovery) and precision (%RSD) at 160 ng/L.

Sample ID 160 ng/L #1 160 ng/L #2 160 ng/L #3 160 ng/L #4 %Average Recovery (ng/L) %RSD
d3-NMeFOSAA 158.1 145.7 150.1 138.8 92.6 5.4
d5-NEtFOSAA 161.7 153.8 147.5 141.7 94.5 5.7
M2-4-2 FTS 170.6 147.6 161.9 159.5 100.0 5.9
M2-6-2 FTS 146.9 157.1 146.2 143.0 92.7 4.1
M2-8-2 FTS 151.2 151.7 166.9 146.3 96.3 5.8
M2PFDoA 160.1 160.5 168.6 143.3 98.9 6.7
M2PFTreA 153.4 150.3 157.4 136.7 93.4 6.0
M3PFBS 179.4 165.4 163.8 151.9 103.2 6.8
M3PFHxS 169.9 151.6 160.2 144.6 97.9 7.0
M4PFBA 173.8 172.4 155.5 149.5 101.8 7.5
M4PFHpA 169.1 164.5 156.1 148.4 99.7 5.7
M5PFHxA 174.3 171.4 164.2 148.5 102.9 7.0
M5PFPeA 174.6 168.7 158.5 149.5 101.8 6.8
M6PFDA 154.4 154.1 155.1 134.8 93.5 6.6
M7PFUnA 156.5 156.9 167.9 139.5 97.0 7.6
M8FOSA 156.2 169.7 159.3 146.6 98.8 6.0
M8PFOA 166.2 156.4 162.5 150.2 99.3 4.4
M8PFOS 147.4 146.3 150.7 136.2 90.7 4.3
M9PFNA 159.8 157.6 164.5 142.3 97.6 6.2