Snyder MP, Schultz MJ, Baran JN [1991]. Face ventilation <strong>in</strong>vestigation: Margaret No. 11B,I.D. No. 36–08139, Keystone Coal M<strong>in</strong><strong>in</strong>g Corporation, Indiana, Indiana County, Pennsylvania,August 5–7, 1991. Pittsburgh, PA: U.S. Department of Labor, M<strong>in</strong>e Safety and Health Adm<strong>in</strong>istration,Pittsburgh Safety and Health Technology Center, Ventilation Division, InvestigativeReport No. P356–V260.Snyder MP, Schultz MJ, Zuchelli DR [1993]. Face ventilation <strong>in</strong>vestigation: Peabody CoalCompany, Camp No. 11 m<strong>in</strong>e, ID No. 15–08357, Union County, Kentucky, May 11–13, 1993.Pittsburgh, PA: U.S. Department of Labor, M<strong>in</strong>e Safety and Health Adm<strong>in</strong>istration, PittsburghSafety and Health Technology Center, Ventilation Division, Investigative Report No. P382–V285.Stoltz RT, Snyder MP [1991]. Face ventilation <strong>in</strong>vestigation: Buck Creek m<strong>in</strong>e, ID No. 12–02033, Laswell Coal Company Incorporated, Sullivan, Sullivan County, Indiana, January 8–10,1991. Pittsburgh, PA: U.S. Department of Labor, M<strong>in</strong>e Safety and Health Adm<strong>in</strong>istration, PittsburghHealth Technology Center, Ventilation Division, Investigative Report No. P346–V250.Stoltz RT, Snyder MP, Baran J [1991]. Face ventilation <strong>in</strong>vestigation: Big Bottom m<strong>in</strong>e, ID No.15–12618, Rawl Sales and Process<strong>in</strong>g Company, McCarr, Pike County, Kentucky, October 22–29, 1991. Pittsburgh, PA: U.S. Department of Labor, M<strong>in</strong>e Safety and Health Adm<strong>in</strong>istration,Pittsburgh Safety and Health Technology Center, Ventilation Division, Investigative ReportNo. P358–V262.Taylor CD, Zimmer JA [2001]. Effects of water sprays and scrubber exhaust on face methaneconcentrations. In: Proceed<strong>in</strong>gs of the Seventh International M<strong>in</strong>e Ventilation Congress(Krakow, Poland, June 17–22, 2001), pp. 465–470.Taylor CD, Kovscek PD, Thimons ED [1995]. Monitor<strong>in</strong>g mach<strong>in</strong>e-mounted dust scrubber per<strong>for</strong>mance.In: Wala AM, ed. Proceed<strong>in</strong>gs of the Seventh U.S. M<strong>in</strong>e Ventilation Symposium(Lex<strong>in</strong>gton, KY, June 5–7, 1995). Littleton, CO: Society of M<strong>in</strong><strong>in</strong>g Eng<strong>in</strong>eers, pp. 419–422.Taylor CD, Rider JP, Thimons ED [1996]. Changes <strong>in</strong> face methane concentrations us<strong>in</strong>g highcapacityscrubbers with exhaust<strong>in</strong>g and blow<strong>in</strong>g ventilation. SME prepr<strong>in</strong>t 96–167. Littleton,CO: Society <strong>for</strong> M<strong>in</strong><strong>in</strong>g, Metallurgy, and Exploration, Inc.Taylor CD, Rider JP, Thimons ED [1997]. Impact of unbalanced <strong>in</strong>take and scrubber flows onface methane concentrations. In: Ramani RV, ed. Proceed<strong>in</strong>gs of the Sixth International M<strong>in</strong>eVentilation Congress (Pittsburgh, PA, May 17–22, 1997). Littleton, CO: Society <strong>for</strong> M<strong>in</strong><strong>in</strong>g,Metallurgy, and Exploration, Inc, pp. 169–172.Taylor CD, Thimons ED, Zimmer JA [1999]. Comparison of methane concentrations at a simulatedcoal m<strong>in</strong>e face dur<strong>in</strong>g bolt<strong>in</strong>g. In: Tien JC, ed. Proceed<strong>in</strong>gs of the Eighth U.S. M<strong>in</strong>e VentilationSymposium. Rolla, MO: University of Missouri-Rolla Press, pp. 171–178.Thimons ED, Taylor CD, Zimmer JA [1999]. Evaluat<strong>in</strong>g the ventilation of a 40-foot two-passextended cut. Pittsburgh, PA: U.S. Department of Health and Human Services, Public Health53
54Service, Centers <strong>for</strong> Disease <strong>Control</strong> and Prevention, National Institute <strong>for</strong> Occupational Safetyand Health, DHHS (NIOSH) Publication No. 99–138, RI 9648.Tien JC [1989]. Face ventilation dur<strong>in</strong>g crosscut development <strong>in</strong> a room and pillar operation.In: Proceed<strong>in</strong>gs of the Fourth U.S. M<strong>in</strong>e Ventilation Symposium (Berkeley, CA, June 5–7,1989).Urosek JE, Francart WJ [1999]. <strong>Methane</strong> ignitions on roof bolters <strong>in</strong> underground coal m<strong>in</strong>es.In: Tien JC, ed. Proceed<strong>in</strong>gs of the Eighth U.S. M<strong>in</strong>e Ventilation Symposium. Rolla, MO:University of Missouri-Rolla Press.Urosek JE, Battistoni CS, Hazuza GG [1988]. Remote brattice face ventilation systems. In:Frantz RL, Ramani RV, eds. Respirable dust <strong>in</strong> the m<strong>in</strong>erals <strong>in</strong>dustries: health effects, characterization,and control. University Park, PA: The Pennsylvania State University.Volkwe<strong>in</strong> JC, Wellman TS [1989]. Impact of water sprays on scrubber ventilation effectiveness.Pittsburgh, PA: U.S. Department of the Interior, Bureau of M<strong>in</strong>es, RI 9259. NTIS No.PB90108820.Wallhagen RE [1977]. Development of optimized diffuser and spray fan systems <strong>for</strong> coal m<strong>in</strong>eface ventilation. Waltham, MA: Foster-Miller Associates. U.S. Bureau of M<strong>in</strong>es contract No.H0230023. NTIS No. PB277987.Zuchelli D, Stoltz R, Baran J [1993]. Face ventilation <strong>in</strong>vestigation, Peabody Coal Company,Martwick m<strong>in</strong>e, ID No. 15–14074, Central City, Muhlenberg County, Kentucky, January 26–28,1993. Pittsburgh, PA: U.S. Department of Labor, M<strong>in</strong>e Safety and Health Adm<strong>in</strong>istration,Pittsburgh Safety and Health Technology Center, Ventilation Division, Investigative ReportNo. P377–V280.
- Page 1 and 2:
TMIC 9486Information Circular/2006H
- Page 3 and 4:
ORDERING INFORMATIONCopies of Natio
- Page 5 and 6:
ILLUSTRATIONS—ContinuedPage4-6. U
- Page 8: HANDBOOK FOR METHANE CONTROL IN MIN
- Page 11 and 12: 4Below 5%, called the lower explosi
- Page 13 and 14: 6reduced pressure, except at very l
- Page 15 and 16: 8Static electricity. Protection aga
- Page 17 and 18: 10Figure 1-4.—Estimated methane c
- Page 19 and 20: 12LAYERING OF METHANE AT THE MINE R
- Page 21 and 22: 14good eyesight. 24methane level.Ot
- Page 23 and 24: 16a material balance indicated that
- Page 25 and 26: 18As an example, assume that themet
- Page 27 and 28: 20Figure 1-10.—Relative frequency
- Page 29 and 30: 22Davies AW, Isaac AK, Cook PM [200
- Page 31 and 32: 24Margerson SNA, Robinson H, Wilkin
- Page 33 and 34: CHAPTER 2.—SAMPLING FOR METHANE I
- Page 35 and 36: 29USING PORTABLE METHANE DETECTORST
- Page 37 and 38: Out-of-range gas concentrations in
- Page 39 and 40: Figure 2-3.—Recorder chart from a
- Page 41 and 42: 35Industrial Scientific Corp. [2004
- Page 43 and 44: 38peaks, not the overallmethane lev
- Page 45 and 46: 40hung on J-hook assemblies, which
- Page 47 and 48: 42Methane dilution effectiveness.Th
- Page 49 and 50: 44found that effective scrubber ope
- Page 51 and 52: 46When the scrubber exhaust is not
- Page 53 and 54: 48Methane monitors are usually moun
- Page 55 and 56: 50to use radial bits instead of con
- Page 57: 52Mott ML, Chuhta EJ [1991]. Face v
- Page 61 and 62: 56Methane accumulationsaround thesh
- Page 63 and 64: 58corner and by 43% at supportNo. 4
- Page 65 and 66: 60When using water sprays to reduce
- Page 67 and 68: 62Cecala AB, Zimmer JA, Thimons ED
- Page 69 and 70: 64DESIGNING BLEEDER SYSTEMSAs part
- Page 71 and 72: 66Caved area characteristics. The c
- Page 73 and 74: 68then move this gas into the activ
- Page 75 and 76: 70perform tests to determine whethe
- Page 77 and 78: 72A major purpose of the bleeder sy
- Page 79 and 80: 74• Inlets to the pillared area n
- Page 81 and 82: 76REFERENCESCFR. Code of federal re
- Page 83 and 84: 78Methane is released into each min
- Page 85 and 86: 80Figure 6-1.—Gas content of coal
- Page 87 and 88: 82Figure 6-3.—Simplified illustra
- Page 89 and 90: 842. In-mine inclined or vertical b
- Page 91 and 92: 861. Packed cavity method and its v
- Page 93 and 94: 88Table 6-3.—Methane capture rati
- Page 95 and 96: 90Early experiences with this metho
- Page 97 and 98: 9211. At the surface installation (
- Page 99 and 100: 94• Estimated cost for moderately
- Page 101 and 102: 96Thakur PC [1981]. Methane control
- Page 103 and 104: 98Anomalous, unanticipated methane
- Page 105 and 106: 100Vertical methane drainage boreho
- Page 107 and 108: 102Figure 7-2 shows a mine entry ap
- Page 109 and 110:
104obvious solution to this problem
- Page 111 and 112:
106Figure 7-8.—Hypothetical gas c
- Page 113 and 114:
108Lama and Bodziony [1998] compile
- Page 115 and 116:
110In-mine methane drainage systems
- Page 117 and 118:
112Iannacchione AT, Ulery JP, Hyman
- Page 119 and 120:
114More sophisticated reservoir eng
- Page 121 and 122:
116coal lithotype on gas content is
- Page 123 and 124:
118FORECASTING REMAINING GAS-IN-PLA
- Page 125 and 126:
120⎛ y⎞⎜⎛⎞ ⎛ ⎞= ⎜
- Page 127 and 128:
122emissions. The geometry and size
- Page 129 and 130:
124Reservoir models require a subst
- Page 131 and 132:
126King GR, Ertekin T [1989a]. A su
- Page 133 and 134:
128an area of 314 ft 2 would requir
- Page 135 and 136:
130In the case of the abovementione
- Page 137 and 138:
132FILLING SHAFTS AT CLOSED MINESFi
- Page 139 and 140:
134Hinderfeld G [1995]. Ventilation
- Page 141 and 142:
136To calculate the effectiveinert,
- Page 143 and 144:
138exhaust. The remaining diesel ex
- Page 145 and 146:
140required only 4 min. As a result
- Page 147 and 148:
142Figure 11-1.—Desorption test a
- Page 149 and 150:
144enclosed in a tunnel-like struct
- Page 151 and 152:
146Kolada RJ [1985]. Investigation
- Page 153 and 154:
148air in a 6-ft by 9-ft by 6.5-ft
- Page 155 and 156:
150represents flammable mixtures. F
- Page 157 and 158:
152• In Eastern Europe, petroleum
- Page 159 and 160:
154Category II applies to domal sal
- Page 161 and 162:
1562. Monitoring for gas and taking
- Page 163 and 164:
158These mines typically have large
- Page 165 and 166:
160Dave Graham is the safety and he
- Page 167 and 168:
162Figure 13-2.—Examples of metha
- Page 169 and 170:
164REFERENCESAndrews JN [1987]. Nob
- Page 171 and 172:
166APPENDIX A.—ONTARIO OCCUPATION
- Page 174 and 175:
169CHAPTER 14.—PREVENTING METHANE
- Page 176 and 177:
Ways to confirm the presence of gas
- Page 178 and 179:
173The tunnel face is usually venti
- Page 180 and 181:
175Figure 14-5.—TBM ventilation s
- Page 182 and 183:
face. While one of these elements a
- Page 184 and 185:
179ELIMINATING IGNITION SOURCESElec
- Page 186 and 187:
181INDEXAAbnormally gassy faces....
- Page 188 and 189:
183NNatural ventilation, coal silos
- Page 190 and 191:
Delivering on the Nation’s Promis