ENFORCE22856

• Permit No: C1981019
• IBM Index Class Name: Enforcement
• Doc Date: 10/29/2003
• Doc Name: Blast Review Summary
• From: Byron Walker
• To: Dan Hernandez
• Violation No.: CV2003013
• Media Type: D
• Archive: No

Blast Record Hole Depth Loading Total Weight of Peak Particle Air Blast,
of (date) Information Information Explosives per Velocity regulatory
Complete? Complete? 8-millisecond (seismograph) maximum
time period inlsec; 133db
corroborated by measured;
the review? regulatory
maximum

information so the max 1.00
as to complete reconstruction
the review. 1,894 (one
primer
difference). The
maximum
permissible was
2,348 ounds.
February 3, No. Colowyo Yes Yes. The report (not (not
2003 provided and the analysis recorded); secorded)
additional agree on 2,265 regulatory
information so pounds. The max 1.00
as to complete maximum
the review. permissible was
2,809 pounds.
February 6, No. Colowyo Qualified yes. Yes (qualified). Measured 108.8
2003 provided The loading Both the record 0.130 (tran);
(minor) sheet filed was and the analysis regulatory
additional for dry holes. indicated that a max 1.00
information so The blast maximum of two
as to complete included wet holes were
the review. holes. Wet detonated within
hole loadings 8-milliseconds of
could be each other. The
calculated analysis
from indicated that a
information maximum of
provided in the 4,457 pounds,
blast record the record
(hole depth, indicated 4,604
stemming, pounds (1%
weight of difference). The
explosives per maximum
foot, number permissible was
of primers). 6,694 pounds.
February 12, No. Colowyo Qualified yes. No (qualified). Measured 106.5
2003 provided The loadin Both the record 0.145 (long);