WELL 14-BW03 PAGE 1 OF 5 IENT PROJECT DATE STARTED 4/30/14 COMPLETED 5/1/14 GROUND ELEVATION 1157.89 ft HOLE SIZE 9 5/8 inches DRILLING CONTRACTOR Cascade Drilling NORTHING 670592.2 EASTING 1937845.8 DRILLING METHOD Speedstar 50k with Casing Hammer GROUND WATER LEVEL GED BY S. Demus CHECKED BY NOTES 0 4/30/14; 10:20 - Begin drilling (SP) Hanford Formation - Poorly graded coarse sand with gravel. Trace medium sand. Subangular to rounded. Fine gravel to cobbles, subrounded to rounded. Trace fines. Casing Top Elev: 1160.28 Casing Type: Schedule 40 PVC SP 5 Air monitoring - VOCs: 0.0 ppm () Hanford Formation - Well graded gravel. Fine to coarse gravel with cobbles/boulders. Subrounded to rounded. Basalt. No sand or fines present. Dark gray. 10 15 11:20 () Hanford Formation - Well graded gravel. fine to coarse gravel, subrounded to rounded, basaltic. 10% coarse sand, subangular to rounded, predominantly basaltic. Dark gray. 20 25 11:35 () Hanford Formation - Well graded gravel with sand. Fine to coarse gravel with cobbles/boulders, subrounded to rounded, basaltic. Medium to coarse sand, predominantly basaltic, subangular to rounded, 30%, dark gray. 30 SP (SP) Hanford Formation - Poorly graded coarse sand with gravel. Subangular to rounded sand, predominantly basaltic. Fine to coarse gravel (25%) subrounded to rounded, predominantly basaltic. Trace fines. Dark gray. 35
WELL 14-BW03 PAGE 2 OF 5 IENT PROJECT 35 () Hanford Formation - Well graded gravel with sand. Fine to coarse gravel, subrounded to rounded, basaltic. 35% 40 13:15 () Hanford Formation - Well graded gravel and cobbles. Medium to coarse gravel and cobbles, rounded to subrounded, basaltic. Appreciable amount of fragmented basalt. No sand. Dark gray. 45 13:30 Maintenance on casing hammer. 14:20 Resume () Hanford Formation - Same as above, 10% medium to coarse sand, predominatly basaltic, subangular to rounded. 50 () Hanford Formation - Same as above, 30% coarse sand. 55 () Hanford Formation - Coarse gravel and cobbles/boulders. Predominantly fragmented basalt. Trace coarse sand. Dark gray. 60 14:40 () Hanford Formation - Well graded gravel with sand. Fine to coarse gravel, subrounded to rounded, basaltic. 35% 65 70 15:00 Stop Flange on casing hammer broke. 16:40 Repair complete resume SW (SW) Hanford Formation - Well graded sand, predominatly medium and coarse sand with some fine sand, basaltic, subangular to rounded. 5% fine gravel, basaltic, subrounded to rounded. Dark gray () Hanford Formation - Well graded gravel. fine to coarse gravel and cobbles, subrounded to rounded, basaltic. Appreciable anmount of basalt fragments. Dark gray. 3/8 inch Bentonite Chips 75
WELL 14-BW03 PAGE 3 OF 5 IENT PROJECT 75 4/30/14 17:00 GP (GP) Hanford Formation - Poorly graded gravel with sand. Predominantly fine gravel with some medium gravel, subrounded to rounded, basaltic. 30% coarse sand, basaltic, rounded to subangular. Dark gray. 80 (GP) Hanford Formation - Coarse gravel and cobbles/boulders. Predominantly fragmented basalt. Trace coarse sand. Dark gray. GP 85 17:20 Stop Drilling. 5/1/114 7:10 Begin () Hanford Formation - Well graded gravel with sand. Fine to coarse gravel, subrounded to rounded, basaltic. 30% 90 95 95.0 () Ringold Formation - Sandy clay. Low plasticity. Fine to coarse sand, rounded to subangular, trace fine gravel, round to subrounded. Medium brown. 1062.9 100 Air monitoring - VOCs: 0.0 ppm () Ringold Formation - Sandy clay, plastic. predominantly fine sand with some medium and coarse snad, wet, medium brown. 105 () Ringold Formation - Clay, plastic, medium brown, wet. 110 115 8:15 8:30 Trip out for groundwater sampling. 10:35 - () Ringold Formation - Clay with sand. Plastic, predominantly fine sand with some medium to coarse sand. Trace fine gravel, rounded to subrounded. Wet, medium brown.
WELL 14-BW03 PAGE 4 OF 5 IENT PROJECT 115 collect sample 14-BW03--115-050114. 12:30 - Resume () Ringold Formation - Sandy clay, slightly plastic, medium brown, wet. 120 () Ringold Formation - Sandy clay, slightly plastic. Predominantly fine to very fine sand with some medium and coarse sand. Trace fine gravel. Brown, wet. 125 SW- SC (SW-SC) Ringold Formation - Well graded sand with clay. Fine to coarse snad, subangular to rounded, trace fine gravel. 10% clay, wet. Medium brown. 130 () Ringold Formation - Clay with sand. Very fine sand with some fine and medium sand. Medium brown, wet. 135 SW (SW) Ringold Formation - Well graded sand. Fine to coarse sand, rounded to subangular, trace clay, wet, medium brown. 20-40 Colorado Silica Sand 140 140.0 () Priest Rapids Member 1017.9 145 145.0 Bottom of borehole at 145.0 feet. 1012.9
WELL 14-BW03 PAGE 5 OF 5 IENT PROJECT 6-9 Colorado Silica Sand 4 inch Schedule 40 slotted PVC Schedule 80 PVC Sump