7 - Depth of soil samples.xlsx
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- Supplemental Phase II Environmental Site Assessment, Risk-Based Cleanup and Disposal Plan, and Risk Characterization Sampling Federal contract opportunity
- Solicitation number
- 6913G624Q300069
About this file
This document is a Request for Quotation (RFQ) for a Supplemental Phase II Environmental Site Assessment, Risk-Based Cleanup and Disposal Plan, and Risk Characterization Sampling at 495 Dorchester Avenue in Boston, MA. The U.S. Department of Transportation, John A. Volpe National Transportation Systems Center (Volpe Center) is providing support to the U.S. Environmental Protection Agency (EPA) Targeted Brownfields Assessments (TBA) program for this effort. The contract will be a firm-fixed price purchase order with a period of performance from date of award through 12/31/2024. The NAICS code is 238910 with a $19.0M small business size standard. Offerors must provide a firm-fixed price quote on the attached Statement of Work and complete required representations via SAM.gov. The Government will not pay for any information received.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| 6 - Questions and Answers Documentdocx.pdf | ||
| 3 - 495_DotAve_DrillerSOW_8-27-24_Revised_3.pdf | ||
| 5 - Sam.Gov - Wage Determination.pdf | ||
| 1 - Instructions to Offerors and Evaluation Criteria.pdf | ||
| 4 - SAP Commercial Terms and Conditions.pdf | ||
| 2 - Request for Quote (Line Items).pdf | ||
| 3 - 495_DotAve_DrillerSOW_8-23-24_Revised.pdf |
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Text version
Table 1 - Soil Samples
| 495 Dorchester Ave TBA Sampling Scope - Soil Boring & Soil Sampling | ||||
| on map? | Location | 495 Dorchester Ave Data Gap | Sample ID | |
| (Gray = HOLD pending other results) | Drill Depth | |||
| (ft bgs) | Sample Interval(s) | |||
| (ft bgs) | Number of Samples | |||
| Proposed for Analysis | Number of Samples |
to HOLD -
| pending results | Laboratory Analysis | NOTES | Internal Notes | Volpe Internal Notes | n staff | Day | Scope |
| y | 10ft NW of C29 | C29 CVOC Impacts | V-495D-VOC-C29-10NW (6-8) |
V-495D-VOC-C29-10NW (8-10)
V-495D-VOC-C29-10NW (10-12.6) 12.6 6-8
8-10
| 10-12.6 | 3 | - | VOCs | -- | 15ft below final grade in this location is El. 5ft. Current GS is El. 17.6ft. Collect 2-ft interval samples from 6ft below current grade (El. 11.6ft) down to El. 5ft (12.6ft below current grade). | 1 | Targeted Contaminant Investigation Locations |
| y | 10ft NE of C29 | C29 CVOC Impacts | V-495D-VOC-C29-10NE (6-8) |
V-495D-VOC-C29-10NE (8-10)
V-495D-VOC-C29-10NE (10-12.6) 12.6 6-8
8-10
| 10-12.6 | 3 | - | VOCs | -- | 1 |
| y | 10ft SW of C29 | C29 CVOC Impacts | V-495D-VOC-C29-10SW (6-8) |
V-495D-VOC-C29-10SW (8-10)
V-495D-VOC-C29-10SW (10-12.6) 12.6 6-8
8-10
| 10-12.6 | 3 | - | VOCs | -- | 1 |
| y | 10ft SE of C29 | C29 CVOC Impacts | V-495D-VOC-C29-10SE (6-8) |
V-495D-VOC-C29-10SE (8-10)
V-495D-VOC-C29-10SE (10-12.6) 12.6 6-8
8-10
| 10-12.6 | 3 | - | VOCs | -- | 1 | ||
| y | E20 | I21 NAPL Extent | V-495D-PET-E20-B (insert sample interval ft bgs) | ||||
| V-495D-PET-E20-B (insert sample interval ft bgs) | 20.5 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | E22 | I21 NAPL Extent | V-495D-PET-E22-B (insert sample interval ft bgs) | ||||
| V-495D-PET-E22-B (insert sample interval ft bgs) | 20.5 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | G20 | I21 NAPL Extent | V-495D-PET-G20-B (insert sample interval ft bgs) | ||||
| V-495D-PET-G20-B (insert sample interval ft bgs) | 21 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | G23 | I21 NAPL Extent | V-495D-PET-G23-B (insert sample interval ft bgs) | ||||
| V-495D-PET-G23-B (insert sample interval ft bgs) | 21 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | I21 | I21 NAPL Extent | V-495D-PET-I21-B (insert sample interval ft bgs) | ||||
| V-495D-PET-I21-B (insert sample interval ft bgs) | 21 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | J20 | I21 NAPL Extent | V-495D-PET-J20-B (insert sample interval ft bgs) | ||||
| V-495D-PET-J20-B (insert sample interval ft bgs) | 21 | Based on field observations | |||||
| (see notes). | 2 | - | TPH | Collect 2-foot discrete samples. One sample from the interval with the highest PID screening and/or observed evidence of petroleum from between El. 10.0 and 0.0 ft BCB, and one sample from the interval where PID screening and/or observed petroleum impacts appear to reduce/clean up. If sheen or PID reading >100 ppm is observed at the bottom of the boring, continue drilling until sheen is not longer observed and/or PID reading is <100 ppm. Characterize soil starting from grade. | |||
| y | H28 | CVOC Extents in Peat | V-495D-CVOC-H28 (insert sample interval ft bgs) | ~20 | Based on field observations | ||
| (see notes). | - | 1 | VOCs & | ||||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. | ||||||
| Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | Notes column says we will need to potentially account for 2 optional samples. Chat w/ team | ||||||
| y | H30 | CVOC Extents in Peat | V-495D-CVOC-H30-A (insert sample interval ft bgs) | ~20 | Based on field observations | ||
| (see notes). | - | 1 | VOCs & | ||||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. |
Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft.
| y | H32 | CVOC Extents in Peat | V-495D-CVOC-H32-A (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | - | 1 | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. |
Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft.
| y | I28 | CVOC Extents in Peat | V-495D-CVOC-I28-B (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | I30 | CVOC Extents in Peat | V-495D-CVOC-I30 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | I32 | CVOC Extents in Peat | V-495D-CVOC-I32 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | J30 | CVOC Extents in Peat | V-495D-CVOC-J30-A (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | ||
| y | J33 | CVOC Extents in Peat | V-495D-CVOC-J33 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | J34 | CVOC Extents in Peat | V-495D-CVOC-J34 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | - | 1 | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. |
Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft.
| y | K30 | CVOC Extents in Peat | V-495D-CVOC-K30-B (insert sample interval ft bgs) | ~20 | Based on field observations | ||||
| (see notes). | 1 | - | VOCs | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | K31/32 | CVOC Extents in Peat | V-495D-CVOC-K31/32 (insert sample interval ft bgs) | ~20 | Based on field observations | ||||
| (see notes). | 1 | - | VOCs | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | L33 | CVOC Extents in Peat | V-495D-CVOC-L33 (insert sample interval ft bgs) | ~20 | Based on field observations | ||||
| (see notes). | 1 | - | VOCs & | ||||||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | ||||||||
| y | L34 | CVOC Extents in Peat | V-495D-CVOC-L34 (insert sample interval ft bgs) | ~20 | Based on field observations (see notes). | - | 1 | VOCs & | |
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. |
Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft.
| y | M/N35 | CVOC Extents in Peat | V-495D-CVOC-M/N35 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | M31 | CVOC Extents in Peat | V-495D-CVOC-M31-C (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | ||
| y | N33 | CVOC Extents in Peat | V-495D-CVOC-N33 (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | 1 | - | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft. | |||||
| y | N34 | CVOC Extents in Peat | V-495D-CVOC-N34-A (insert sample interval ft bgs) | ~20 | Based on field observations | |
| (see notes). | - | 1 | VOCs & | |||
| SPLP (TCE, PCE, vinyl chloride, & cis-1,2-DCE) | HOLD - Pending results. |
Collect 2-foot discrete sample. Sample only the peat interval. If the peat interval is observed greater than 3 ft thick, collect two discrete samples. If peat is not observed, collect sample from the interval with the highest PID result between El. 5 and -5 ft.
y Adjacent to well MW-14DR Cyanide Impacts in Soil as potential source to GW V-MW-14DR (insert sample interval ft bgs) 29.5 9.5-12.5 12.5-15.5 15.5-18.5 18.5-21.5 21.5-24.5 24.5-27.5
| 27.5-29.5 | 7 | - | PAC Cyanide | Sampling intervals may be adjusted based on field observersations (do not mix strata). |
| Number of samples may change based on field observations. | GS @ MW-14DR = El. 17.5ft. |
Sampling from El 8 (bottom of current cut) to El. -12 ft (bottom of impacted well screen) Sampling from 9.5 to 29.5 ft bgs.
20ft of soil to be sampled.
| MW-14DRs screen interval is from approx. El. -6 to -11ft. AUL cut in this area is to El. 8 ft. | 2 | ||||||||||
| y | 10ft NW of well MW-14DR | Cyanide Impacts in Soil as potential source to GW | V-MW-14DR-10NW (insert sample interval ft bgs) | 29.5 | Match sample intervals from soil boring "V-(MW-14DR)" | - | 7 | PAC Cyanide | HOLD - Pending results | 2 | |
| y | 10ft NE of well MW-14DR | Cyanide Impacts in Soil as potential source to GW | V-MW-14DR-10NE (insert sample interval ft bgs) | 29.5 | Match sample intervals from soil boring "V-(MW-14DR)" | - | 7 | PAC Cyanide | HOLD - Pending results | 2 | |
| y | 10ft SW of well MW-14DR | Cyanide Impacts in Soil as potential source to GW | V-MW-14DR-10NW (insert sample interval ft bgs) | 29.5 | Match sample intervals from soil boring "V-(MW-14DR)" | - | 7 | PAC Cyanide | HOLD - Pending results | 2 | |
| y | 10ft SE of well MW-14DR | Cyanide Impacts in Soil as potential source to GW | V-MW-14DR-10NW (insert sample interval ft bgs) | 29.5 | Match sample intervals from soil boring "V-(MW-14DR)" | - | 7 | PAC Cyanide | HOLD - Pending results | 2 | |
| y | K30 | MCP Risk Sample | V-495D-MCP-K30-B (20.5-22.5) | 22.5 | 20.5-22.5 | 1 | - | EPH carbon fractions |
VPH carbon fractions VOCs SVOCs MCP 14 Total Metals PAC Cyanide
| Total Solids | -- | Supplemental MCP Risk Sampling and Hot Spot Evaluations | |||||||||
| y | C33 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-C33-A (7-9) | 9 | 7-9 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | C33 GS = El. 16.8. Cuts to 15.5, 14.6, 11.7, 11.6. Collect sample from El 10-8ft (6.8-8.8ft). Round to 7-9ft bgs. | |
| y | C35 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-C35-B (7.5-9.5) | 9.5 | 7.5-9.5 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | C35 GS = El. 16.6ft. Cuts to El. 15.5 and 13.5ft. So collect risk from El. 9-7ft (7.6-9.6ft bgs). Round 7.5-9.5ft. | |
| y | E33 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-E33-A (8-10) | 10 | 8-10 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | E33 GS = 16.7ft. Cuts to 13.5,12.8,10.7,10. Collect sample from El. 9-7ft (7.7-9.7ft bgs). Round 8-10ft bgs. | |
| y | E35 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-E35-A (7.5-9.5) | 9.5 | 7.5-9.5 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | E35 GS = 16.2ft. Cuts to 10.5,10. Collect sample from El. 9-7ft (7.2-9.2ft bgs). Round 7.5-9.5ft. | |
| y | G27 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-G27-A (4-6) | ||||||||
| V-495D-MCP-G27-A (7.5-9.5) | 9.5 | 4-6 | |||||||||
| 7.5-9.5 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | G27 GS = 18.4ft. Cuts to 15.5, 12. Collect sample from El. 14.5-12.5 & 11-9ft (3.9-5.9ft bgs, 7.4-9.4ft bgs). Round 4-6ft & 7.5-9.5ft. | ||||||
| y | G29 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-G29-A (3.5-5.5) | 5.5 | 3.5-5.5 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | G29 GS = 17.8ft. Cuts to 15.5ft. Collect sample from El. 14.5-12.5ft (3.3-5.3ft bgs). Round 3.5-5.5ft bgs. | |
| y | G31 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-G31-B (3-5) | ||||||||
| V-495D-MCP-G31-B (9-11) | 11 | 3-5 | |||||||||
| 9-11 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | G31 GS = 17.4ft. Cuts to 15.5, 9.8ft. Collect sample from El. 14.5-12.5 & 8.5-6.5ft (2.9-4.9ft bgs & 8.9-10.9ft bgs). Round 3-5ft & 9-11ft. | ||||||
| y | G35 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-G35-B (7-9) | ||||||||
| V-495D-MCP-G35-B (10-12) | 12 | 7-9 | |||||||||
| 10-12 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | G35 GS = 16.3. Cuts to El. 10.5,7.5ft. Collect sample from El. 9.5-7.5ft & 6.5-4.5ft (6.8-8.8ft bgs, 9.8-11.8ft bgs). Round 7-9ft & 10-12ft. | ||||||
| y | G36/G37 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-G36/37-A (7.5-9.5) | ||||||||
| V-495D-MCP-G36/37-A (10-12) | 12 | 7.5-9.5 | |||||||||
| 10-12 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | G36/37 GS = El. 16.3ft. Cuts to El. 16.1,10,7.5 ft. Collect sample from El. 9-7ft & 6.5-4.5ft (7.3-9.3ft bgs & 9.8-11.8ftbgs). Round to 7.5-9.5ft bgs & 10-12ft bgs. | ||||||
| y | I27 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-I27-C (7.5-9.5) | ||||||||
| V-495D-MCP-I27-C (20-22) | 22 | 7.5-9.5 | |||||||||
| 20-22 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | I27 GS = El. 22.1ft. Cuts to El. 15.5, 3, &-1.5ft. Collect sample from El. 14.5-12.5 & 2-4ft) (7.6-9.6ft bgs &20.1-22.1ft bgs). Round to 7.5-9.5ft bgs & 20-22ft bgs. | ||||||
| y | I29 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-I29-C (10.5-12.5) | 12.5 | 10.5-12.5 | 1 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | I29 GS = El. 18.2ft. Cuts to El. 9 & -1.5ft. Collect sample from El. 8-6ft (10.2-12.2ft bgs). Round to 10.5-12.5ft bgs. | |
| y | I31 | Supplemental MCP Risk Data - PAC Cyanide | V-495D-MCP-I31-B (3.5-5.5) | ||||||||
| V-495D-MCP-I31-B (20-22) | 22 | 3.5-5.5 | |||||||||
| 20-22 | 2 | - | PAC Cyanide | Proposed depth intervals based on anticipated generalized remedial excavation cuts by the Contractor, subject to change. | I31 GS = El. 17.8ft. Cuts to El. 15.5, -1.5ft.Collect sample from El. 14.5-12.5ft & -2.0-(-4.0) (3.3-5.3ft bgs & 19.8-21.8ft bgs). Round 3.5-5.5ft & 20-22ft bgs). | ||||||
| y | A32 | Total Barium hot spot delineation (main area) | V-495D-BA-A32 (0-5) | 5 | 0-5 | 1 | - | Total Barium | Horizontal delineation sample | ||
| y | B32 | Total Barium hot spot delineation (main area) | V-495D-BA-B32 (0-5) | 5 | 0-5 | 1 | - | Total Barium | Horizontal delineation sample | ||
| y | F32 | Total Barium hot spot delineation (main area) | V-495D-BA-F32 (0-5) | 5 | 0-5 | 1 | - | Total Barium | Horizontal delineation sample | ||
| y | G33 | Total Barium hot spot delineation (main area) | V-495D-BA-G33-B (0-5) | 5 | 0-5 | 1 | - | Total Barium | Horizontal delineation sample | ||
| y | 5N-14 (former Roux Sample Location) | Total Barium hot spot delineation (main area) | V-(5N-14) (6-7) | 7 | 6-7 | 1 | - | Total Barium | Vertical delineation sample | Original 5N-14 deepest M3CL exceedance was from 4-5ft bgs at time of collection (El. 11.6-10.6). No sample collected deeper, so need to vertically delineate. Need to collect sample from El. 10.6-9.6ft. Current GS at this area is ~16.2ft. Collect sample from 5.6-6.6ft below current grade. Rounded down to nearest 0.5ft interval = 6-7 ft below currnt grade. | |
| y | 5N-12 (former Roux Sample Location) | Total Barium hot spot delineation (main area) | V-(5N-12) (6-7) | 7 | 6-7 | 1 | - | Total Barium | Vertical delineation sample | Original 5N-12 deepest M3CL exceedance was from 4-5ft bgs at time of collection (El. 11.5-10.5). No sample collected deeper, so need to vertically delineate. Need to collect sample from El. 10.5-9.5ft. Current GS at this area is ~16.2ft. Collect sample from 5.7-6.7ft below current grade. rounded down to nearest 0.5ft interval = 6 to 7ft below current grade. | |
| y | 6-12 (former Roux Sample Location) | Total Barium hot spot delineation (main area) | V-(6-12) (5-6) | 6 | 5-6 | 1 | - | Total Barium | Vertical delineation sample | Original 6-12 deepest M3CL exceedance was from 4-5ft bgs at time of collection (El. 12.7-11.7). No sample collected deeper, so need to vertically delineate. Need to collect sample from El. 11.7-10.7ft. Current GS at this area is ~16.5ft. Collect sample from 4.8-5.8ft below current grade. Rounded down to nearest 0.5ft interval = 5 to 6ft below current grade. | |
| y | RX-8 (former Roux Sample Location) | Total Barium hot spot delineation (main area) | V-(RX-8) (2-4) | 4 | 2-4 | 1 | - | Total Barium | Vertical delineation sample | Original RX-8 deepest M3CL exceedance was from 0-2ft bgs at time of collection (El. 16.6-14.6ft). RX-8 does have a sample at 4-5ft bgs that is below M3CL. Need to collect sample from El. 14.6-12.6ft. Current GS at this area is 16.6ft. Collect sample from 2-4ft below current grade. | |
| y | 5ft NW of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-5NW (3-4) | 4 | 3-4 | 1 | - | Total Barium | -- | Original SOUTH-3 |
At time of collection 1-2ft (7,800mg/kg - RCS-1 exceed) & 2-3ft bgs (15,000mg/kg - M3CL exceed).
Elevations = 15.4-14.4ft and 14.4-13.4ft Current ground surface in this area = El. 17.6ft Current feet below ground surface for samples = 2-3ft and 3-4ft
| y | 5ft NE of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-5NE (3-4) | 4 | 3-4 | 1 | - | Total Barium | -- | If shallower sample is hot spot, its EPC won't exceed M3CLs so it can stay, don't need to delineate/evaluate it further | |
| y | 5ft SE of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-5SE (3-4) | 4 | 3-4 | 1 | - | Total Barium | -- | We're sampling 3-4 to match their 2-3 interval | |
| y | 5ft SW of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-5SW (3-4) | 4 | 3-4 | 1 | - | Total Barium | -- | ||
| y | 10ft NW of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-10NW (3-4) | 4 | 3-4 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft NE of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-10NE (3-4) | 4 | 3-4 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft SE of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-10SE (3-4) | 4 | 3-4 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft SW of SOUTH-3 | Total Barium hot spot delineation (SOUTH-3) | V-(SOUTH-3)-10SW (3-4) | 4 | 3-4 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 5ft NW of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-5NW (1-3) | 3 | 1-3 | 1 | - | Total Barium | -- | Original SOUTH-4 |
At time of collection 0-2ft exceeded M3CL Elevation = 16.6-14.6 Current ground surface in this area ~=17.6 Current feet below ground surface for samples = 1-3ft bgs
| y | 5ft NE of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-5NE (1-3) | 3 | 1-3 | 1 | - | Total Barium | -- | ||
| y | 5ft SE of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-5SE (1-3) | 3 | 1-3 | 1 | - | Total Barium | -- | ||
| y | 5ft SW of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-5SW (1-3) | 3 | 1-3 | 1 | - | Total Barium | -- | ||
| y | 10ft NW of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-10NW (1-3) | 3 | 1-3 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft NE of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-10NE (1-3) | 3 | 1-3 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft SE of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-10SE (1-3) | 3 | 1-3 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 10ft SW of SOUTH-4 | Total Barium hot spot delineation (SOUTH-4) | V-(SOUTH-4)-10SW (1-3) | 3 | 1-3 | - | 1 | Total Barium | HOLD - Pending results | ||
| y | 5ft NW of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-5NW (1-6) | 6 | 1-6 | 1 | - | Total Lead | -- | ||
| y | 5ft NE of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-5NE (1-6) | 6 | 1-6 | 1 | - | Total Lead | -- | ||
| y | 5ft SE of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-5SE (1-6) | 6 | 1-6 | 1 | - | Total Lead | -- | ||
| y | 5ft SW of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-5SW (1-6) | 6 | 1-6 | 1 | - | Total Lead | -- | ||
| y | 10ft NW of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-10NW (1-6) | 6 | 1-6 | - | 1 | Total Lead | HOLD - Pending results | ||
| y | 10ft NE of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-10NE (1-6) | 6 | 1-6 | - | 1 | Total Lead | HOLD - Pending results | ||
| y | 10ft SE of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-10SE (1-6) | 6 | 1-6 | - | 1 | Total Lead | HOLD - Pending results | ||
| y | 10ft SW of K23 | K23 - Total lead potential hot spot | V-495D-WC-K23-10SW (1-6) | 6 | 1-6 | - | 1 | Total Lead | HOLD - Pending results | ||
| y | 5ft NW of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-5NW (1-6) | 6 | 1-6 | 1 | - | Total Chromium | -- | ||
| y | 5ft NE of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-5NE (1-6) | 6 | 1-6 | 1 | - | Total Chromium | -- | ||
| y | 5ft SE of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-5SE (1-6) | 6 | 1-6 | 1 | - | Total Chromium | -- | ||
| y | 5ft SW of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-5SW (1-6) | 6 | 1-6 | 1 | - | Total Chromium | -- | ||
| y | 10ft NW of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-10NW (1-6) | 6 | 1-6 | - | 1 | Total Chromium | HOLD - Pending results | ||
| y | 10ft NE of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-10NE (1-6) | 6 | 1-6 | - | 1 | Total Chromium | HOLD - Pending results | ||
| y | 10ft SE of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-10SE (1-6) | 6 | 1-6 | - | 1 | Total Chromium | HOLD - Pending results | ||
| y | 10ft SW of C23 | C23 - Total chromium potential hot spot | V-495D-WC-C23-10SW (1-6) | 6 | 1-6 | - | 1 | Total Chromium | HOLD - Pending results | ||
| y | E19 | Waste Characterization (for additional depth) | V-495D-WC-E19-A (11-16) | 16 | 11-16 | - | 1 | Disposal Characterization | HOLD - Pending results of I21 NAPL Extent Investigation | Supplemental Disposal Characterization & TCLP Delineation | |
| y | E21 | Waste Characterization (for additional depth) | V-495D-WC-E21-B (11-16) | ||||||||
| V-495D-WC-E21-B (12-16) | 16 | 11-16 (no PCBs) | |||||||||
| 12-16 (PCB Only) | - | 2 | 11-16' interval - Disposal Characterization (no PCBs) | ||||||||
| 12-16' interval - PCB analysis only | HOLD - Pending results of I21 NAPL Extent Investigation | ||||||||||
| y | E23 | Waste Characterization (for additional depth) | V-495D-WC-E23-B (12-17) | 17 | 12-17 | - | 1 | Disposal Characterization | HOLD - Pending results of I21 NAPL Extent Investigation | ||
| y | G19 | Waste Characterization (for additional depth) | V-495D-WC-G19-B (12-17) | 17 | 12-17 | - | 1 | Disposal Characterization | HOLD - Pending results of I21 NAPL Extent Investigation | ||
| y | G21 | Waste Characterization (for additional depth) | V-495D-WC-G21-B (11-16) | ||||||||
| V-495D-WC-G21-B (12-16) | 16 | 11-16 (no PCBs) | |||||||||
| 12-16 (PCB only) | - | 2 | 11-16' interval - Disposal Characterization (no PCBs) | ||||||||
| 12-16' interval - PCB analysis only | HOLD - Pending results of I21 NAPL Extent Investigation | ||||||||||
| y | I19 | Waste Characterization (for additional depth) | V-495D-WC-I19-A (11-16) | ||||||||
| V-495D-WC-I19-A (12-16) | 16 | 11-16 (no PCBs) | |||||||||
| 12-16 (PCB only) | - | 2 | 11-16' interval - Disposal Characterization (no PCBs) | ||||||||
| 12-16' interval - PCB analysis only | HOLD - Pending results of I21 NAPL Extent Investigation | ||||||||||
| y | K21 | Waste Characterization (for additional depth) | V-95D-WC-K21-B (12-17) | 17 | 11-17 | - | 1 | Disposal Characterization | HOLD - Pending results of I21 NAPL Extent Investigation | ||
| y | I25 | Waste Characterization (for additional depth) | V-495D-WC-I25-B (16-21) | 21 | 16-21 | 1 | - | Disposal Characterization | -- | ||
| y | I27 | Waste Characterization (for additional depth) | V-495D-WC-I27-C (23-28) | 28 | 23-28 | 1 | - | Disposal Characterization + Total Cyanide | -- | ||
| y | M29 | Waste Characterization (for additional depth) | V-495D-WC-M29-C (20-25) | 25 | 20-25 | 1 | - | Disposal Characterization | -- | ||
| y | M31 | Waste Characterization (for additional depth) | V-495D-WC-M31-C (20-25) | 23 | 20-25 | 1 | - | Disposal Characterization + Total Cyanide | -- | ||
| y | A27 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A27-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | A29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A29-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | A31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A31-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | A33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A33-B (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | A35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A35-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | A36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-A36/37-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | ||
| y | C27 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C27-A (1-6) | ||||||||
| V-495D-WC-C27-A (6-11) | 11 | 1 - 6 | |||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | |||||||
| y | C29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C29-B (1-6) |
V-495D-WC-C29-B (6-11)
V-495D-WC-C29-B (11-16)
V-495D-WC-C29-B (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- | ||||||
| y | C31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C31-B (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | C33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C33-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | C35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C35-B (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | C36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-C36/37-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | E27 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E27-B (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | E29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E29-A (1-6) | |||||||
| V-495D-WC-E29-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | E31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E31-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | E33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E33-A (1-6) | |||||||
| V-495D-WC-E33-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | E35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E35-A (1-6) | |||||||
| V-495D-WC-E35-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | E36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-E36/37-A (1-6) | |||||||
| V-495D-WC-E33/37-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | G27 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G27-A (1-6) | |||||||
| V-495D-WC-G27-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | G29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G29-A (1-6) | 6 | 1-6 | 1 | - | Total Cyanide | -- | |
| y | G31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G31-B (1-6) | |||||||
| V-495D-WC-G31-B (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | G33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G33-B (1-6) | |||||||
| V-495D-WC-G33-B (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | G35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G35-B (1-6) | |||||||
| V-495D-WC-G35-B (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | G36/G37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-G36/37-A (1-6) | |||||||
| V-495D-WC-G36/37-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | I27 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I27-C (1-6) |
V-495D-WC-I27-C (6-11)
V-495D-WC-I27-C (11-16)
V-495D-WC-I27-C (16-20)
V-495D-WC-I27-C (20-23) 23 1 - 6
6 - 11 11 - 16 16 - 20
| 20 - 23 | 5 | - | Total Cyanide | -- |
| y | I29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I29-C (1-6) |
V-495D-WC-I29-C (6-11)
V-495D-WC-I29-C (11-16)
V-495D-WC-I29-C (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- |
| y | I31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I31-B (1-6) |
V-495D-WC-I31-B (6-11)
V-495D-WC-I31-B (11-16)
V-495D-WC-I31-B (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- |
| y | I33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I33-C (1-6) |
V-495D-WC-I33-C (6-11)
V-495D-WC-I33-C (11-16)
V-495D-WC-I33-C (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- | ||||||
| y | I35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I35-A (1-6) | |||||||
| V-495D-WC-I35-A (6-11) | 11 | 1 - 6 | ||||||||
| 6 - 11 | 2 | - | Total Cyanide | -- | ||||||
| y | I36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-I36/37-A (1-6) | 6 | 1 - 6 | 1 | - | Total Cyanide | -- | |
| y | K29 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-K29-B (1-6) |
V-495D-WC-K29-B (6-11)
V-495D-WC-K29-B (11-16)
V-495D-WC-K29-B (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- |
| y | K31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-K31-B (1-6) |
V-495D-WC-K31-B (6-11)
V-495D-WC-K31-B (11-16)
V-495D-WC-K31-B (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- |
| y | K33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-K33-B (1-6) |
V-495D-WC-K33-B (6-11)
V-495D-WC-K33-B (11-16)
V-495D-WC-K33-B (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- | ||||||
| y | K35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-K35-B (1-6) | 6 | 1 - 6 | 1 | - | Total Cyanide | -- | |
| y | K36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-K36/37-B (1-6) | 6 | 1 - 6 | 1 | - | Total Cyanide | -- | |
| y | M31 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-M31-C (1-6) |
V-495D-WC-M31-C (6-11)
V-495D-WC-M31-C (11-16)
V-495D-WC-M31-C (16-20) 20 1 - 6
6 - 11 11 - 16
| 16 - 20 | 4 | - | Total Cyanide | -- |
| y | M33 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-M33-A (1-5) |
V-495D-WC-M33-A (5-10)
V-495D-WC-M33-A (10-15)
V-495D-WC-M33-A (15-20) 20 1 - 5
5 - 10 10 - 15
| 15 - 20 | 4 | - | Total Cyanide | -- |
| y | M35 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-M35-C (1-6) | |
| V-495D-WC-M35-C (6-11) | 11 | 1 - 6 | ||
| 6 - 11 | 2 | - | Total Cyanide | -- |
| y | M36/37 | Supplemental Disp Characterization - Total Cyanide (475 Dot Ave) | V-495D-WC-M36/37-A (1-6) |
V-495D-WC-M36/37-A (6-11)
V-495D-WC-M36/37-A (11-16) 16 1 - 6
6 - 11
| 11 - 16 | 2 | - | Total Cyanide | -- | Roux sample interval Elevation | Current GS Elevation | Current Depth Bgs | Round | |||
| y | B35 | TCLP Barium Delineation | V-495D-TCLP-B35 (0-5) | 5 | 0-5 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Exclude surface asphalt pavement from the soil sample collected for analysis. | 16.5-11.5 | 16.5 | 0-5 | 0-5 | |||||||
| y | D34 | TCLP Barium Delineation | V-495D-TCLP-D34 (0-5) | 5 | 0-5 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Exclude surface asphalt pavement from the soil sample collected for analysis. | 16.5-11.5 | 16.5 | 0-5 | 0-5 | |||||||
| y | E/F/35/36 | TCLP Barium Delineation | V-495D-TCLP-E/F35/36 (1-6) | 6 | 1-6 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 15.5-10.5 | 16.2 | 0.7-5.7 | 1-6 | |||||||
| y | F/36/37 | TCLP Barium Delineation | V-495D-TCLP-F36/37 (1-6) | 6 | 1-6 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 15.5-10.5 | 16.2 | 0.7-5.7 | 1-6 | |||||||
| y | F/G/35/36 | TCLP Barium Delineation | V-495D-TCLP-F/G35/36 (1-6) | 6 | 1-6 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 15.5-10.5 | 16.3 | 0.8-5.8 | 1-6 | |||||||
| y | F33 | TCLP Barium Delineation | V-495D-TCLP-F33 (0.5-5.5) | 5.5 | 0.5-5.5 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 16.5-11.5 | 16.9 | 0.4-5.4 | 0.5-5.5 | |||||||
| y | G/H/35/36 | TCLP Barium Delineation | V-495D-TCLP-G/H35/36 (1-6) | 6 | 1-6 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 15.5-10.5 | 16.3 | 0.8-5.8 | 1-6 | |||||||
| y | H34 | TCLP Barium Delineation | V-495D-TCLP-H34 (1.5-6.5) | 6.5 | 1.5-6.5 | 1 | - | TCLP Barium | Sample depth intended to match previous Roux soil sample intervals accounting for changes in surface elevation. | ||
| Sample should be a 5-foot composite starting below the cap. | 15.5-10.5 | 17 | 1.5-6.5 | 1.5-6.5 | |||||||
| y | G28 | TCLP Lead Delineation | V-495D-TCLP-G28 (1-6) | 6 | 1-6 | - | 1 | TCLP Lead | HOLD - Pending results | map says total VOCs and SPLP VOCs but these are not included here | |
| y | H21 | TCLP Lead Delineation | V-495D-TCLP-H21-A (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | H27 | TCLP Lead Delineation | V-495D-TCLP-H27-A (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | H28 | TCLP Lead Delineation | V-495D-TCLP-H28 (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | J32 | TCLP Lead Delineation | V-495D-TCLP-J32 (1-6) | 6 | 1-6 | - | 1 | TCLP Lead | HOLD - Pending results | ||
| y | K31 | TCLP Lead Delineation | V-495D-TCLP-K31-B (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | K32 | TCLP Lead Delineation | V-495D-TCLP-K32 (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | L32 | TCLP Lead Delineation | V-495D-TCLP-L32 (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | L33 | TCLP Lead Delineation | V-495D-TCLP-L33 (1-6) | 6 | 1-6 | - | 1 | TCLP Lead | HOLD - Pending results | map says total VOCs and SPLP VOCs but these are not included here | |
| y | M32 | TCLP Lead Delineation | V-495D-TCLP-M32 (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | N31 | TCLP Lead Delineation | V-495D-TCLP-N31-B (1-6) | 6 | 1-6 | 1 | - | TCLP Lead | -- | ||
| y | N32 | TCLP Lead Delineation | V-495D-TCLP-N32 (1-6) | 6 | 1-6 | - | 1 | TCLP Lead | HOLD - Pending results | ||
| Total Number of Samples | 188 | 64 | |||||||||
| borings | 155 | ||||||||||
| Notes: | borings/day | 10 | total days | 15.5 | |||||||
| • Full disposal characterization includes analysis for TPH, VOCs, SVOCs, MCP 14 Metals, PCBs (where indicated), general chemistry, and pesticides/herbicides (approximately 10% of samples). | |||||||||||
| • General chemistry includes corrosivity, conductivity, reactivity, ignitability, and total solid analysis. | |||||||||||
| • Total petroleum hydrocarbons (TPH) by USEPA Method 8015. | |||||||||||
| • VOCs by USEPA Method 8260. | |||||||||||
| • SVOCs by USEPA Method 8270. | |||||||||||
| • Massachusetts Contingency Plan (MCP) 14 total metals by USEPA Methods 6010 and 7471. | |||||||||||
| • Polychlorinated biphenyls (PCBs) by USEPA Method 8082 with soxhlet extraction. | |||||||||||
| • Extractable petroleum hydrocarbons (EPH) by MassDEP Methods. | |||||||||||
| • Volatile petroleum hydrocarbons (VPH) by MassDEP Methods. | |||||||||||
| • Physiologically available cyanide (PAC) by USEPA Method 9014. | |||||||||||
| • Pesticides by USEPA Method 8081. | |||||||||||
| • Herbicides by USEPA Method 8151. | |||||||||||
| • Corrosivity (pH) by USEPA Method 9045. | |||||||||||
| • Conductivity by USEPA Method 9050. | |||||||||||
| • Reactivity (cyanide and sulfide) by USEPA Methods 125, 7.3. | |||||||||||
| • Ignitability by USEPA Method 1030. | |||||||||||
| • Total solids by USEPA Methods 121, 2540G. | |||||||||||
| • Toxicity characteristic leaching produecure (TCLP) barium, lead, or VOCs by USEPA Method 1311. | |||||||||||
| • Synthetic precipitation leaching produecure (SPLP) cis-1,2-dichloroethene, (cis-1,2-DCE), vinyl chloride, tetrachloroethylene (PCE), and trichloroethylene (TCE) by USEPA Method 1312. | |||||||||||
| • Synthetic precipitation leaching produecure (SPLP) EPH by MassDEP Methods. |
&"-,Bold"&14Table 1 Summary of Soil Boring && Soil Sampling Investigation Scope 495 Development Area Former 511 and 475 Dorchester Avenue South Boston, Massachusetts VERTEX Project No. 80979
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File details come from the government source that posted it. Updated .