| Location | PFAS Detected | Notes | Sample Date |
| Groundwater Monitoring | Non-Detect | BRW-5S, sampled 4/19, 10/19, 5/20, 10/20 - low level detections in May 2019 (1.37 ppt PFOA) and October 2019 (2.03 ppt PFOA), non-detect for all analyzed PFAS in all other sample rounds | 10/21/2020 |
| Groundwater Monitoring | Non-Detect | E2, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - 1.37 ppt detection of five regulated PFAS in May 2019, non-detect for five regulated PFAS in all other sample periods | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | BRW-1, samples 5/19, 10/19, 5/20, 10/20 - non-detect for all analyzed PFAS | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | BRW-2R, sampled 9/18, 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS, 0.79 ppt PFHxA) in May 2019, non-detect for all analyzed PFAS in other sample rounds | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | BRW-3S, sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS) in May 2019, non-detect for all analyzed PFAS in other sample periods | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | MRW-3D, sampled 8/18, 5/29, 10/19, 5/20, 10/20 - low level detection (0.28 ppt PFHxS) in May 2019, non-detect for all other analyzed PFAS in all other sample periods | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | BRW-4S, Sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.26 ppt PFHxS and 0.59 ppt PFNA) in May 2019, non-detect for all other analyzed PFAS in all other sample rounds | 10/20/2020 |
| Groundwater Monitoring | Below Standard | K1, sampled 6/20, 8/20 and 10/20 as part of underdrain investigation. Respectively, results were 11.10 ppt, 4.21 ppt and 4.16 ppt for the five regulated PFAS during these sample rounds. | 10/20/2020 |
| Groundwater Monitoring | Non-Detect | PB6, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - low level detections (1.9 ppt PFHxA in Aug 2018 and 0.24 ppt PFHxS in May 2019), non-detect for all analyzed PFAS in all other sample periods | 10/16/2020 |
| Groundwater Monitoring | Below Standard | E1, sampled 8/18, 5/19, 10/19, 5/20, 10/20 - 3.60 ppt detection of PFHpA in most recent sample period, highest detection of five regulated PFAS was 6.7 ppt in 2018 | 10/16/2020 |
| Other (enter type into notes) | Detected, No standard | Underdrains, sampled 7/19, 9/19, 10/19, 5/20 and 10/20. Five regulated PFAS detected in UD-1, UD-2 and UD-4, non-detect in UD-4 | 10/15/2020 |
| Groundwater Monitoring | Non-Detect | G-12S, sampled 5/19, 10/19, 5/20, 10/20 - low level detection (0.24 ppt PFHxS) in May 2019, non-detect for all analyzed PFAS in all other sample rounds | 10/14/2020 |
| Groundwater Monitoring | Above Standard | P2RR, sampled 8/18, 9/18, 5/19, 10/19, 5/20, 10/20 - consistent detection of five regulated PFAS ranging from a high of 116 ppt to a low of 68 ppt | 10/14/2020 |
| Groundwater Monitoring | Above Standard | F1, sampled 11/19 as part of underdrain investigation, 130.3 ppt for five regulated PFAS | 11/19/2019 |
| Groundwater Monitoring | Above Standard | J-4, sampled 11/19 as part of underdrain investigation, 97.81 ppt for sum of five regulated PFAS | 11/19/2019 |
| Groundwater Monitoring | Below Standard | J-5, sampled 11/18/2019 as part of underdrain investigation, 10.26 ppt for five regulated PFAS | 11/18/2019 |
| Groundwater Monitoring | Below Standard | J-6, sampled 11/19 as part of underdrain investigation, 3.93 ppt for five regulated PFAS | 11/18/2019 |
| Groundwater Monitoring | Below Standard | J-6, sampled 11/19 as part of underdrain investigation, 3.93 ppt for five regulated PFAS | 11/18/2019 |
| Groundwater Monitoring | Below Standard | J-3, sampled 11/19 as part of underdrain investigation, 2.04 ppt for five regulated PFAS | 11/18/2019 |
| Groundwater Monitoring | Above Standard | A1, sampled 11/19 as part of underdrain investigation, 32.4 ppt for five regulated PFAS | 11/18/2019 |
| Leachate | Detected, No standard | | 10/28/2019 |
| Leachate | Detected, No standard | | 10/18/2019 |
| Groundwater Monitoring | Below Standard | 409, sampled 10/19, 8.84 ppt for for the five regulated PFAS | 10/07/2019 |
| Groundwater Monitoring | Above Standard | 412R, sampled 10/19 as part of the underdrain investigation, 50.09 ppt for the sum of five regulated | 10/04/2019 |
| Groundwater Monitoring | Below Standard | BRW-6S, sampled 10/2019 only for underdrain investigation, non-detect for five regulated PFAS, 2.29 ppt PFBA, 3.37 ppt PFPeA and 2.53 PPT PFHxA detected. | 10/03/2019 |
| Leachate | Detected, No standard | | 10/01/2019 |
| Leachate | Detected, No standard | | 09/23/2019 |
| Leachate | Detected, No standard | | 09/18/2019 |
| Leachate | Detected, No standard | duplicate | 09/18/2019 |
| Leachate | Detected, No standard | | 09/09/2019 |
| Leachate | Detected, No standard | | 09/03/2019 |
| Leachate | Detected, No standard | | 08/21/2019 |