Texas Two-Area HRC/Fe Program
Texas
September 2007
HRC/Fe Injection
Multi-Interval Enhanced Dechlorination
URS Corporation contracted IET for comprehensive two-area enhanced reductive dechlorination program. Each point received dual-interval injections targeting distinct contaminated horizons with customized substrate formulations per area.
$92,654
Total Program Cost
Treatment Areas
Area A (15 double-injection points)
Injection Depths: 12-14' & 16-18' BGS
Per Interval:
• HRC-X: 30 lbs
• ZVI (2-micron): 40 lbs
• Vitamins: 253g B2, 9.5g B12
• Sulfite: 5 lbs, Propionate: 10 lbs
• Yeast Extract: 10 lbs, Nutrient: 5 lbs
Area B (17 double-injection points)
Injection Depths: 10-12' & 15-17' BGS
Per Interval:
• HRC-X: 20 lbs
• ZVI (2-micron): 27.5 lbs
• Vitamins: 702g B2, 25.2g B12
• Sulfite: 5 lbs, Propionate: 10 lbs
• Yeast Extract: 10 lbs, Nutrient: 5 lbs
Project Information
Client
URS Corporation, Austin, TX
Attention
Jolene Gordon
PO Number
14964473.00303
Total Points
32 points (64 injection intervals)
Ship Date
September 29, 2007
Technology
HRC/Fe with compressed nitrogen delivery