BRISTOL ENVIRONMENTAL SOLUTIONS LLC

IMPLEMENTING THE REMEDIAL ACTION IN ACCORDANCE WITH THE DECISION DOCUMENT, NELLIS SMALL ARMS RGE AX, UNIVERSITY OF NEVADA - LAS VEGAS STUDY AREA, MUNITIONS RESPONSE SITE (MRS) 02; PROJECT NUMBER - J09NV051002, CLARK COUNTY, NEVADA, MARCH 2020

P00011 DESCOPE INSTALLATION OF OFF BASE GROUNDWATER WELLS

STEWART AIR NATIONAL GUARD BASE IN NEWBURGH, NEW YORK. CONTINUE INTERIM MITIGATION MEASURES FOR THE TREATMENT OF WATER BEING DISCHARGED IN ORDER TO REDUCE PFOS/PFOA CONCENTRATIONS IN DISCHARGE. MODIFICATION TO EXERCISE OPTIONS FOR ANNUAL TASKS.

FY25 FT HUACHUCA 03 BASE TASK 3

WHAY250014 WATER FILTRATION - BPA CALL

CAMP SLO -9 FUDS PROGRAM

WATER FILTRATION - BPA CALL

ERS $10K MIN GUARANTEE

DE-SCOPE LYSIMETERS THAT WERE DETERMINED TO BE UNNECESSARY AND ADD ADDITIONAL SOIL SAMPLES, GROUNDWATER SAMPLES, AND GROUNDWATER ELEVATION DATA TO FURTHER CHARACTERIZE PFAS CONTAMINATION.

WATER FILTRATION - BPA CALL

UPDATE ESD REPORT, NELLIS AFB

NO FURTHER ACTION PROPOSED PLAN

RAPID PFAS TESTING

ADDITIONAL PRE EXCAVATION SAMPLING

STEWART AIR NATIONAL GUARD BASE IN NEWBURGH, NEW YORK. CONTINUE INTERIM MITIGATION MEASURES FOR THE TREATMENT OF WATER BEING DISCHARGED IN ORDER TO REDUCE PFOS/PFOA CONCENTRATIONS IN DISCHARGE. MODIFICATION TO EXERCISE OPTION YEAR.

MMRP AT CAMP BEALE

WATER FILTRATION OF 425,000 GALLONS OF INDUSTRIAL WASTEWATER TO INCLUDE PERIODIC SAMPLE TESTING.

EXERCISE OF OPTIONAL CLINS AND THE ADDITION OF CLIN 0097 AND 0098

PRE-EXCAVATION (NATIVE) SOIL SAMPLING

WATER FILTRATION OF LAGOONS.

MOD IS FOR REMOBILIZATION AND 27 ACRES OF ADDITIONAL SOIL EXCAVATION.

ADD STOP GAP MEASURES FOR ENVIRONMENTAL CONTROL

MODIFICATION IS TO INCLUDE ONE ADDITIONAL WEEK OF EMERGENCY GENERATOR POWER FOR INTERIM STORM WATER TREATMENT SYSTEM, LONG TERM OPERATION, MAINTENANCE, AND MONITORING SERVICES, STEWART AIR NATIONAL GUARD BASE

MODIFICATION IS TO INCLUDE ONE ADDITIONAL WEEK OF EMERGENCY GENERATOR POWER FOR INTERIM STORM WATER TREATMENT SYSTEM, LONG TERM OPERATION, MAINTENANCE, AND MONITORING SERVICES, STEWART AIR NATIONAL GUARD BASE, NEWBURGH, NEW YORK

INTERIM STORM WATER TREATMENT SYSTEM LONG TERM OPERATION, MAINTENANCE, AND MONITORING SERVICES STEWART AIR NATIONAL GUARD BASE MODIFICATION FOR MEDIA CHANGE-OUTS.

TASK 3: REMEDIAL ACTION FIELD ACTIVITIES - ADDING ADDITIONAL EXCAVATION WORK

MODIFICATION TO INCLUDE WORK FOR TWO MONTHS OF EMERGENCY GENERATOR POWER FOR INTERIM STORM WATER TREATMENT SYSTEM LONG TERM OPERATION, MAINTENANCE, AND MONITORING SERVICES, STEWART AIR NATIONAL GUARD BASE

STEWART AIR NATIONAL GUARD BASE PFOS/PFOA MITIGATION INTERIM STORM WATER TREATMENT SYSTEM LONG TERM OPERATION, MAINTENANCE, AND MONITORING SERVICES EXERCISE OF OPTIONAL CLINS FOR YEAR 2.

MODIFICATION TO DE-SCOPE 105 UNIT FROM CONTRACT LINE ITEM NUMBER 0002AD FOR THE STEWART AIR NATIONAL GUARD BASE INTERIM STORM WATER TREATMENT SYSTEM

P00008 UPDATE THE ANALYTE LIST, LABORATORY ANALYTICAL METHODS, AND SCREENING VALUES FOR THE PHASE 1 RIS AT CANNON AND HILL AFBS, AND TO ADJUST SAMPLING AREAS AT HILL AFB BASED ON THE UPDATED SCREENING VALUES.

N2NDA LAND USE CONTROL IMPLEMENTATION

MODIFICATION IS TO ADD TASK 0006: SOIL REMOVAL OF PRE-EXCAVATION AREAS AND ADDITIONAL STEP-OUTS

MODIFICATION TO REVISE THE PWS TO ALLOW THE USE OF UPDATED ANALYTICAL LABORATORY METHODS TO BE IN COMPLIANCE WITH THE UPDATED EPA REQUIREMENTS AND TO EXERCISE OPTIONAL CLINS 0053-0054

STEWART AIR NATIONAL GUARD BASE PFOS/PFOA MITIGATION, STEWARD AIR NATIONAL GUARD BASE