REP48377

• Permit No: M1977393
• IBM Index Class Name: Report
• Doc Date: 4/16/1996
• From: CITY OF BOULDER
• To: WQCD PE B2
• Media Type: D
• Archive: No

BOIILDER COIINTY AREA, COLORADO
signifuant tin engineering-Continued
57

Coarse Percentage less than 3 inches passing sieve-
fraction Permea- Available shrink-swell
greater bility water Reaction Salinity potentinl
than No.4 No. ]0 No. 40 No. 200 capacity
3 inches (4.7 mm) (2.0 mm) (0.42 mm) (0.074 mm)
InNa per ~neA .t{/llimhw pa
InUO pe Awr of ~otl pH cm. at t5° C.
0-10 100 100 85-100 SO-SO 0. 6-2.0 0. 19-0. 31 7. 9-8. ~E 2. 0-9.0 Moccrate.
10-25 30-50 25-45 15-30 0-5 6.0-20.0 0.03-0.05 6.6-7.3 1. 01.0 Loa
P) (') P) P) P) (') (') 7. 8-9. r) 1.0-4.0 Low.
0-5 80-95 75-95 6x70 40-50 2. 0-6.0 0. 11-0. 13 6. 6-8. 4 G2, 0 Low.
_ _ _ _ _ _ _ _ _ _ 80-95 75-95 50-75 20-30 6. 0-20.0 0. 06-0. O8 7. 4-& ~1 2. 0-4.0 Low.
_ _ _ _ _ _ _ _ _ _ ] 00 95-100 85-95 80-75 0. 6-2.0 0. 16-0. 18 7. 8-S. 4 2. 0-4.0 Low.
0-10 100 95-100 60-95 60-SO 0.6-2.0 O. I7-0.20 6.6-7.3 2.0-4.0 114oderate.
50-65 55-70 45-00 30-40 15-25 0.6-2.0 0.09-0.13 6.1-7.3 G2.0 Low.
60-75 50-80 40-70 30-50 15-30 2.0-6.0 0.07-0.09 6.1-i.3 G2.0 Low.
0-10 100 95-100 80-100 55-80 0. 6-2.0 0, 16-0. 20 6. 6-7.5 2. 0-4.0 Doderate.
_ _ _ _ _ _ _ _ _ _ 90-100 60-i 0 30-40 0-5 120.0 0, 09-0. 07 6. 6-7.5 2. 0~1. 0 Low.
0-]0 100 100 85-100 40-75 0.2-0.6 0. 1i-0.21 6.6-7.8 2.0-4.0 Moderate.
_ _ _ _ _ _ _ _ _ _ 100 100 90-100 75-95 0. 06-0.6 0. 14-0. 16 7. 4-8. 4 2. 0-4.0 High.
__________ 700 100 96-100 70-80 0.2-0.6 0.19-0.21 7.4-8.4 2.0-4.0 Moderate.
0-5 100 9'x100 53-70 3010 2.6-6.0 0.11-0.13 7.4-8.4 2.0-4.0 Low.
0-10 65-80 25-40 15-25 5-]0 6. 0-20.0 0. OS-0. O6 6, 6-7.3 G2. 0 Lox•.
0-10 85-95 60-80 55-70 25-40 0.6-2.0 0.13-0.15 6.6-7.3 G2.0 !Hoderate.
0-10 85-95 60-80 40-55 15-25 2. 0-6.0 0. 10-0. 13 6. B-7. 3 G2. 0 Low.
50-90 85-95 80-90 50-70 15-30 6.0-20.0 0.09-0.10 6.1-6.5 G2.0 Low.
56-90 85-95 80-90 72-90 60-85 0. 06-0.2 0.14-0. 16 6. 1-7 0 G2.0 Moderate.
_ _ _ _ _ _ _ _ _ _ 100 100 90-100 7"x95 0. 06-0.2 0. 14-0. 16 6, 6-7.8 2. 0 1. 0 High.
_ _ _ _ _ _ _ _ _ _ 100 100 95-100 85-95 0. 06-0. 2 0. 19-0. 21 7. 4-8.4 2. 0-4.0 Aigh.
_ _ _ _ _ _ _ _ _ _ ] 00 I00 90-100 75-95 0. 06-0.2 0. 14-0. 16 7. 4-E'.. 4 2. 0-8.0 High.
__________ 100 100 85-95 80-75 0.6-2.0 0.76-0.18 7.4-t3.4 .4. 0-8.0 Low.
15-25 100 100 85-95 60-75 0. Cr2. 0 0. 16-0. 1S 7. 4-S. 4 2. 0-9.0 Moderate.
__________ 100 ]00 90-100 70-80 0.6-2.0 0.19-0.21 7.4-:3.4 4.0-8.0 Moderate.