Document M4nX3j00rawNe5JzY7LNgZkRV

Report of Results: MVA0607 Micarta Experiment (GHP Project No. 93026.02) Prepared for: Mr. Richard Scruggs Richard F. Scruggs, P.A. 734 Delmas Avenue Pascagoula, MS 39568 Prepared by: MVA, Inc. 5500 Oakbrook Parkway, Suite 200 Norcross, GA 30093 13 July 1993 D:PROJECTS:0607:RPT0608 \1/ MVA, Inc.--i- Excellence in -- Microanalysis 5500 Oakbrook Parkway #200 Norcross. Georgia 30093 404-662-8509 Field Sample# 0105 0106 Micarta Experiment (Cutting) GHP Project #93026.02 07/02/93 MVA Project No. 0607 MVA# D1823 D1824 Description Saw Test (Personal) Saw Test (Personal) PCM f/cc TEM f/cc* <0.28** <0.13** Asbestos only >5 pm by >0.25 pm and >3:1 aspect ratio. No fibers detected. D:PROJECTS:0607:RPT0608 Page 2 Micarta Experiment (Cutting) GHP Project #93026.02 07/02/93 MVA Project No. 0607 Field Sample # 0200 0201 0202 0210 0211 MVA # D1830 D1831 01832 D1840 D1841 Description Background Background Background Saw Test (Personal) Saw Test (Personal) PCM f/cc 0.017 0.019 0.018 <0.17 <0.08 TEM f/cc* . <0.3** <0.15** 0212 0213 0214 D1842 D1843 D1844 Cutting (Area) Cutting (Area) Cutting (Area) 2.08*** 1.59*** 3.71*** THL THL THL 0217 0218 D1847 D1848 Cutting (Personal) Cutting (Personal) 16.1 10.9 16.7 11.3 0219 0220 0221 D1849 D1850 D1851 45 Min. Settling (Area) 45 Min. Settling (Area) 45 Min. Settling (Area) 1.83 2.18 1.50 1.5 1.4 1.1 2001 2002 01861 D1862 Sealed Blank Field Blank ND ND ND ND ND THL Asbestos only >5 pm by >0.25 pm and >3:1 aspect ratio ND = No fibers detected. Value for detection limit is given. Sample nos. 0212, 0213 and 0214 were heavily loaded and some fibers may have been obscured. = No fibers detected. Blanks 2001 and 2002 are for sample nos. 0105-0106 and 0200-0218. No asbestos fibers >5 pm long were observed. = Too hea^ilyJoaded to count. Chrvsotile asbestos fibers were identified in the sample. D:PROJECTS:0607:RPT0608 Page 3 Field Sample # 0224 0225 0226 0229 0230 0231 0232 0233 3001 3002 Micarta Experiment (Sweeping) GHP Project #93026.02 07/02/93 MVA Project No. 0607 MVA# D1854 D1855 D1856 Description During Sweeping (Area) During Sweeping (Area) During Sweeping (Area) PCM f/cc 1.34 1.49 1.45 TEM f/cc* D1859 D1860 During Sweeping (Personal) During Sweeping (Personal) 2.18 2.45 1.5 1.4 D1865 D1866 D1867 2nd 45 Min. Settling 2nd 45 Min. Settling 2nd 45 Min. Settling 0.88 0.75 0.90 D1863 D1864 Sealed Blank Field Blank 1.2 f/mm2** 3.0 f/mm2** ND ND * Asbestos > 5 pm by >0.25 pm and >3:1 aspect ratio. ** Blanks 3001 and 3002 are for sample nos. 0219-0233; fiber density of 3.0 f/mm2 (Field Blank Value) was subtracted out in calculating airborne fiber concentrations for these samples. ND = No fibers detected. D:PROJECTS:0607:RPT0608 Page 4 MVA, Inc. PLM Constituent Analysis Date: 07/05/93 MVA #: 0607 Location: Sample I.D. #: D1870 Client Sample I.D. #: 444 Examination using the stereomicroscope: D1870 is a green consolidated material with white fibers and a tan powdery surface layer with a smooth finish. CONSTITUENT Fibers: Cotton Fiberglass Filament Wool Mineral Wool Hair Paper/Wood Chem. Proc. Mech. Proc. Synthetic % CONSTITUENT -- -- -- -- ~ 35 -- -- Pigment: Binders: Kaolinite Montmorillonite Gypsum Anhydrite Portland Cement Lime (hydrated) Precipitated Carbonate Starch (+) Other Chrysotile Amosite Asbestos Minerals ~ 35 Anthophyllite ** Crocidolite % CONSTITUENT Fillers: Diatoms -- Iron Chromite -- Iron Oxide -- Limestone -- Magnetite -- Mica -- Perlite Synthetic Foam -- Pumice ~ 2 Quartz * Talc Vermiculite -----Tremolite/ -- Actinolite Comments: No asbestos was detected in the tan surface layer and it is not included in the above percentages. *The binder is a green resinous material that comprises ~ 28% of the sample. Diatoms and/or radiolaria are included in this percentage. **A trace amount of amosite was found adhering to the back of the sample along with an adhesive material; the amosite therefore appears to be a contaminant, Analyst: RandyBoltin D:PROJECTS:0607:RPT0608 Page 5 APPENDIX A PCM (Phase Contrast Microscopy) Data Sheets D:PRCUECTS:0607:RPT0608 Page 6 IWA = Inside Work Area 0WA = Outside Work Area O.L = f Loaded D = Damaged PF = Pump Failure NA = Not Applicable c=o o o CD O Mo- 05. ino TCOT o CO CO in 05 O =. E E ^EE s^ ro cr d o o d CM CO g 11o tt icnno tncoo r'- o o c o O ffi ^ cp C^Mr o o CD CM oo M- CD iri M-' CCOO CcCoMO' O' CM CoD CD C1D0 Mo" O S s XJ << S B a> = a> 2 ir tr v> d) 2c iTS 3o O oo o o o o OO o o COM o CM oCM CO So u- o tn o' CM m CM CCMO in M" CCOO in ccCooM r>ek 15C oCD o a> E. _D _I o m M05" CCMO icno in m in sr co CO in hM-" in tri O' > re *2 S6 c Dikc- Oo*"*. 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E E re CC CD CM ^EE oo moo ccoo rNe-- CO 0Oo0 cCoO _>_*_ O. icllCE T CO CD CO Om cC<mMT' CO in CD in M- CCDD OmCD iren- co CO ocmo co re- Nm- CCMD iCnD d IWA = Inside Work Area OWA = Outside Work Area O.L. = r Loaded D = Damaged PF = Pump Failure NA = Not Applicable' PROJFCTR-0B07-RPTnRnfi ss TEoO << .C "53 == si (A o II o CM OCM O CM CoM oCM iCnM iCnM mCM iZ d: -o c/> I9 o in co 'T NO- CM CO O' CM mhCM- in icno in o 05 U- o >re roCoO. E3 _J O iCnO o CM ""OT' CO OCO 0CM5 icCnMo in in rre^-- m co' > tn 3u> cc: re re o re m o S a. E t3o _Oc* < > S re 0- Xo ko. JArHe O oo M o Oco < O ttnn oku. oIcD CCCCMOOD o OoCDi zo' o 'Qok_. c = "c ! CM CM o CO OCO oco in tn in < os 2j CO 05 CM CM o r-- 05 m 05 co 05 dd ID . S'! P CO CD CO sz. S> ir< S IS QQ). TCMfis cs o .2 CM c roe= oc _ooi -zaas w a. 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PRn.lFrTS-nfin7-RPTnRnn S TO << o c/5 CD 2c 3 O O O lO o CM CM o CM oO o o O O 05 " 05 2 iZ q: LL O O /> TJ LO IT) in ~O V 05 CM CO CoM tri L O >m* 5 r^oCOD 3E Md CM MT CO O CO N. 05 CM T 05 CM O > i2<n "5 C0/)5 a: Oi 1 E1 E 3 CO 0o5 o < 0 in' in iCOCCCOOMOO1i o O MO "Wo<T ZOcm w -- o * o 2 oCD *ru*o. c o 0055 T!=o o CM O CM o CO O CO O CO S0>5 o < 5O U- 05 CM 05 CO 05 05 U) U) ' CM > P CA co co sz s -< S E 05 f" Q. CM UJ o' CO o e in ^o c 2E CM co =5 C CD O Oo :a=j o> eg CM INI c % *: 8_i ? a. co Q Q. <U V 5 w 'av. 0) 5 C/5 a> -Q E is W a> -Q E IS 5 J3 E IS .e CO t/T O O O tt> o o Cc c t3o "5 UJ UJ "5"ra cc oto o in kl_ <5 0) CD Q> 5 If) 0) CP "cO CD* 0) oo 0) CD 5 O c tn o o c CO 0) aoo> CD O c lO a> o o c CO 0) oo a> c m m _oaj is a> _cts CO 2 a> C JS m T3 IS V 0. Cl < CO < C/5 < 05 C/5 CO 05 E CO Z o 05 .. o' a c/5 0) To Q co z CO 05 CM CM O O CO CM o co CM o CM CO CM O CO CO O CM O O CM CM O O CM o o CO . e e 5EE o m co oo- ctoo ccoo oo o' .ss E<< od <D ss 2 E q: >re ro>- j5c CoO 10 "5 iun a: s s < ?o (f0r;1 i2 SfS 1 mo:oC.g5n2O2mO - J2 O N < re *2 O uo NO iO; T-T o z oo ok_ 0. C3O O mOIO ^ CN~ > P CO CD gz S ,,< %s "Er <J) TCL cn CD O |c 2 CM CD CEO Z "o <D . . o' 3 cl co ^O (D E 3 _J O > c 2 c COD) !C=O Sq <D > < |o i co ~OcOo ScoQj w Q. CD ECO O CO c JO CD 2 _a u. "co Q jd OE- z6 CO CO COM o CO Inside Work Area 0W A = Outside Work Area O.L. = r Loaded D *=Damaged PF = Pump Failure NA = Not Applicable' nc u C c a * APPENDIX B TEM (Transmission Electron Microscopy) Data Sheets D:PROJECTS:0607:RPT0608 Page 11 A* MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1840 210 DATE: 07/05/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 14.85 liters Direct liters 385 mm3 21600 3:1 0.008 mm2 10 0 0 PCM Equivalent JRM Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication E2 NSD* G1 NSD B3 NSD D8 NSD J9 NSD A4 NSD C5 NSD H3 NSD D9 NSD H6 NSD 'No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 12 MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1841 211 DATE: 07/05/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 31.5 liters Direct liters 385 mm2 21600 3:1 0.008 mm1 10 0 0 PCM Equivalent JRM Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication B7 NSD* C5 NSD H4 NSD G1 NSD D6 NSD A5 NSD C5 NSD E3 NSD J2 NSD 14 NSD No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1847 0217 DATE: Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 07/05/93 20.37 liters Direct liters 385 mm2 21600 3:1 0.008 mm2 10 71 71 PCM Equivalent JRM Grid/ Opening Structure Structure Length Number Type pm 1 E2 1 2 3 4 5 6 7 8 9 B4 10 . 11 ' 12 13 C2 . 14 15 16 17. 18 19 20 H9 21 22 23 24 25 B 9.26 B 5.09 B 8.33 B 5.09 B 13.89 B 41.67 B 6.94 B 5.09 B 11.57 B 20.83 B 9.26 B 9.26 B 6.94 B 6.94 B 8.33 B 9.26 B 9.26 B 5.09 B 6.94 B 7.41 B 7.41 B 13.89 B 39.35 B 46.30 B* 9.26 Width pm Identi- Comments fication 0.93 0.28 0.46 0.46 0.56 0.93 0.28 0.93 0.46 0.46 0.65 0.56 0.93 0.37 0.28 0.32 0.69 0.46 0.46 0.93 0.37 0.28 1.39 0.93 0.46 CDX CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 14 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1847 0217 DATE: 07/05/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 H9 J2 2 H3 D5 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 B 11.57 0.46 CD B 5.09 0.46 CD B 22.22 0.28 CD B 23.15 0.46 CD B 13.89 0.93 CD B 5.09 1.02 CD B 5.09 0.46 CD B 23.15 0.69 CD B 9.26 0.69 CD B 9.26 0.46 CD B 9.26 0.46 CD B 10.19 0.93 CD B 6.94 0.56 CD B 6.94 0.60 CD B 5.09 0.37 CD B 13.89 0.46 CD B 39.35 0.74 CD B 6.94 0.93 CD 44 B 7.87 0.65 CD 45 B 10.19 0.46 CD 46 B 9.26 0.93 CD 47 B 11.57 0.46 CD 48 B 5.56 0.37 CD 14 49 50 B 5.09 0.28 CD B 23.15 0.65 CD : 51 B 46.30 0.46 CD 52 B 37.04 0.93 CD 53 B 7.41 0.93 CD * 54 B 6.94 0.46 CD 55 B 6.94 0.56 CD 56 B 8.33 0.65 CD 57 ' B 20.83 0.74 CD 58 B 23.15 0.93 CD B2 59 B 13.89 0.93 CD 60 B 9.26 0.93 CD 61 B 6.94 0.46 CD 62 B 5.09 0.69 CD 63 B 5.56 0.32 CD 64 B 23.15 0.28 CD C9 65 B 27.78 0.56 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 15 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1847 0217 DATE: 07/05/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 2 C9 66 67 68 69 70 71 B B B B B B 9.26 5.09 5.56 6.48 6.94 7.41 0.32 0.42 0.46 0.46 0.93 0.46 CD CD CD CD CD CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 16 MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1848 0218 DATE: 07/05/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst 44.1 liters Direct liters 385 mm2 21600 3:1 0.008 mm1 10 104 104 PCM Equivalent JRM Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 C8 1 2 3 4 5 B4 6 7 8 9 10 11 - 12 13 14 H2 * 15 16 17 18 ' J2 19 20 21 22 23 24 25 B B B B B B B B B B B B B B B B B B B B B B B B B 5.56 8.56 6.94 5.09 7.87 5.09 7.41 6.94 10.19 6.94 13.89 41.67 0.83 9.26 9.26 13.89 27.78 18.52 39.35 23.15 10.19 6.94 11.11 16.20 18.52 0.37 0.28 0.56 0.32 0.69 0.42 0.28 0.56 0.46 0.32 0.60 1.39 2.31 0.46 0.93 0.56 0.93 0.93 0.46 0.46 0.28 0.37 0.46 0.93 0.93 CDX CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 17 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1848 0218 DATE: 07/05/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identification 1 J2 C5 2 A1 B6 G9 D6 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ' 58 59 60 61 62 63 64 65 B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B 6.48 9.72 9.26 13.43 18.52 6.94 11.57 37.04 23.15 5.09 9.26 18.52 16.20 23.15 9.72 6.94 7.87 10.19 6.48 5.09 37.04 13.89 7.41 23.15 9.72 6.48 13.89 30.09 9.26 8.33 9.26 46.30 9.26 5.09 23.15 6.94 8.33 5.09 9.26 11.57 0.46 0.28 0.28 0.32 0.46 0.46 0.46 0.93 0.46 0.32 0.46 0.93 0.46 0.46 0.46 0.46 0.32 0.46 0.28 0.32 0.93 0.46 0.37 0.32 0.28 0.28 0.37 0.46 1.85 0.28 0.32 0.46 0.32 0.28 0.46 0.93 0.69 0.93 0.28 0.32 CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD Comments *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 18 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1848 0218 DATE: 07/05/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 2 D6 66 B 6.94 0.46 CD 67 B 8.33 0.69 CD 68 B 5.09 0.46 CD 69 B 10.19 0.46 CD 70 B 13.89 0.32 CD 71 B 5.09 0.46 CD 72 B 18.52 0.28 CD 73 B 7.41 0.93 CD 74 B 37.04 0.69 CD 75 B 39.35 0.46 CD 76 B 10.19 0.46 CD 77 B 20.83 0.32 CD 78 B 13.89 0.32 CD 79 B 6.94 0.32 CD 80 B 7.41 0.37 CD B1 81 B 7.41 0.46 CD 82 B 16.20 0.46 CD 83 B 41.67 0.93 CD 84 B 5.09 0.32 CD 85 B 8.33 0.93 CD 86 B 11.57 0.S3 CD 87 B 5.09 0.28 CD 88 B 11.57 1.16 CD 89 B 11.57 0.69 CD - 90 B 27.78 0.46 CD 91 B 8.33 0.93 CD 92 B 23.15 2.08 CD 93 B 41.67 1.39 CD 94 B 5.09 0.93 CD 95 B 19.44 0.69 CD 96 ' B 12.50 0.28 CD 97 B 8.33 0.32 CD 98 B 6.94 0.32 CD 99 B 5.09 0.32 CD 100 B 6.48 0.46 CD 101 B 8.33 0.46 CD 102 B 18.52 0.46 CD 103 B 16.20 0.46 CD 104 B 9.26 0.28 CD "No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 19 t MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1849 0219 DATE: 07/06/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst 306 liters Direct liters 385 mm2 21600 3:1 0.008 mm2 8 98 78 PCM Equivalent ATC Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 C6 1 B 1.39 0.32 CD 2 B 5.56 0.37 CD 3 B 23.61 0.56 CD 4 B 5.09 0.69 CD 5 B 10.65 1.39 CD 6 B 7.41 0.46 CD 7 B 16.67 1.39 CD 8 B 3.70 0.32 CD 9 B 6.48 0.46 CD 10 B 2.78 0.46 CD 11 B 7.87 0.37 CD 12 B 6.48 0.93 CD 13 B 5.56 0.56 CD D4 . 14 B 3.70 0.60 CD 15 B 11.57 1.85 CD 16 B 23.61 0.83 CD 17. B 13.89 0.46 CD 18 B 27.78 0.37 CD 19 B 9.26 0.60 CD 20 B 6.94 0.56 CD 21 B 7.41 0.69 CD 22 B 5.56 0.93 CD 23 B 9.72 0.56 CD 24 B 5.56 0.69 CD F2 25 B 6.02 0.46 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 20 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1849 0219 DATE: 07/06/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 F2 G1 B4 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 B 6.94 0.42 CD B 7.41 0.93 CD B 4.17 0.46 CD B 6.94 0.93 CD B 3.70 0.37 CD B 8.33 1.06 CD B 24.07 0.65 CD B 7.41 1.16 CD B 4.63 0.46 CD B 3.70 0.56 CD B 11.11 0.46 CD B 19.44 1.30 CD B 2.31 0.37 CD B 2.78 0.46 CD B 19.44 1.62 CD B 2.31 0.46 CD B 6.02 1.39 CD B 5.56 0.46 CD B 4.63 0.60 CD B 18.52 2.08 CD B 20.83 0.60 CD B 5.56 0.56 CD B 13.43 0.46 CD B 9.26 0.56 CD B 17.13 1.39 CD B 5.56 0.32 CD B 1.39 0.46 CD B 3.70 1.39 CD B 5.09 0.56 CD B 10.19 1.85 CD B 8.80 1.85 CD B 25.93 3.70 CD B 17.13 0.60 CD B 16.67 0.56 CD B 24.07 5.56 CD B 9.26 0.46 CD B 6.48 1.39 CD B 3.70 0.42 CD B 8.33 0.69 CD B 9.72 9.26 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 21 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1849 0219 DATE: 07/06/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 B4 2 B5 F3 no 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 ; 90 91 92 * 93 94 95 96 ' 97 98 B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B 18.52 16.67 4.17 3.70 6.48 2.78 17.59 2.31 5.56 8.80 5.56 7.87 8.80 2.78 12.96 15.74 2.78 4.17 6.48 3.70 9.26 10.65 9.72 5.56 6.02 9.72 34.72 4.40 9.72 3.24 4.17 3.70 1.85 1.85 2.08 0.46 0.46 1.16 0.46 0.28 0.46 0.42 0.46 0.42 0.93 0.93 0.46 0.79 2.78 0.56 0.37 0.69 0.46 0.56 1.85 0.60 0.37 0.46 0.93 1.39 0.69 2.78 0.69 0.46 0.32 0.37 CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD 'No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 22 MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1850 0220 DATE: 07/06/93* Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 291 liters Direct liters 385 mm2 21600 3:1 0.008 mm2 7 93 61 PCM Equivalent ATC Grid/ Opening Structure Structure Length Number Type pm Width pm Idenli- Comments fi cation 1 B 2.55 0.37 CD 2 B 14.81 0.93 CD 3 B 2.55 0.37 CD 4 B 3.24 0.37 CD 5 B 19.44 0.60 CD 6 B 2.78 0.46 CD 7 B 4.40 1.16 CD 8 B 8.33 0.56 CD 9 B 16.67 0.97 CD 10 B ' 19.44 0.60 CD 11 B 29.63 2.55 CD 12 B 20.37 0.32 CD 13 B 18.52 0.93 CD 14 B 4.17 0.42 CD 15 B 26.39 1.39 CD 16 B 4.17 0.55 CD 17 B 3.24 0.46 CD 18 B 2.78 0.56 CD 19 B 7.41 0.93 CD 20 B 5.56 0.42 CD 21 B 4.17 0.32 CD 22 B 9.49 0.42 CD 23 B 2.78 0.37 CD 24 B 13.43 0.56 CD 25 B 1.39 0.46 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 23 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1850 0220 DATE: 07/06/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 B6 F4 26 27 28 29 30 31 32 33 34 35 36 37 B 2.31 0.37 CD B 7.87 0.46 CD B 1.39 0.42 CD B 3.24 0.46 CD B 5.56 1.39 CD B 5.09 0.60 CD B 10.19 0.93 CD B 15.28 0.46 CD B 7.41 0.42 CD B 3.70 0.93 CD B 6.94 1.20 CD B 6.94 0.93 CD 38 B 3.24 0.46 CD 39 B 40 B 2.31 0.46 CD 6.94 0.56 CD 41 B 9.72 0.93 CD 42 B 13.89 9.26 CD 43 B 3.24 0.69 CD 44 B 6.02 0.56 CD 45 B 13.43 1.39 CD D7 46 B 5.56 0.46 CD 47 B 18.52 0.46 CD 48 B 10.19 0.46 CD 49 B 3.70 0.42 CD 50 B 23.61 0.93 CD B4 51 B 6.48 0.93 CD 52 B 9.26 0.56 CD 53 B 19.44 1.39 CD 54 B 14.81 0.46 CD 55 B 5.09 0.56 CD 56 B 4.17 0.46 CD 57- B 5.56 0.69 CD 58 B 5.56 1.16 CD 59 B 8.80 1.39 CD C9 60 B 4.17 0.42 CD 61 B 5.56 0.69 CD 62 B 6.94 0.56 CD 63 B 8.33 0.79 CD 64 B 20.83 0.46 CD . 65 B 5.56 0.46 CD - *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 24 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: Grid/ Structure Opening Number 1 C9 2 H3 F7 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 ' 90 91 92 ' 93 0607 D1850 0220 DATE: 07/06/93 Structure Length Type pm Width pm Identi- Comments fi cation B 6.94 0.65 CD B 11.11 0.83 CD B 6.94 0.83 CD B 5.56 0.56 CD B 11.57 0.93 CD B 4.17 0.69 CD B 4.63 0.93 CD B 4.17 0.46 CD B 3.24 0.42 CD B 3.70 0.93 CD B 4.17 0.93 CD B 16.67 0.56 CD B 3.24 0.88 CD B 5.56 0.46 CD B 2.78 0.37 CD B 3.70 0.97 CD B 2.31 0.60 CD B 12.04 0.69 CD B 4.63 0.69 CD B 37.04 1.39 CD B 13.89 0.93 CD B 9.72 0.56 CD B 3.70 0.65 CD B 9.26 0.93 CD B 5.56 0.83 CD B 5.56 0.56 CD B 5.09 0.65 CD B 2.78 0.56 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 25 MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1851 0221 DATE: Amount collected: Amount propped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 07/06/93 285 liters Direct liters 385 mm* 21600 3:1 0.008 mm3 10 70 63 PCM Equivalent ATC Grid/ Opening 1 F8 C6 Structure Structure Length Number Type pm 1 2 3 4 5 6 7 8 9 10 . 11 12 13 14 15 16 17 . 18 19 20 21 22 23 24 25 B B B B B B B B B B B B B B B B B B B B B B B B B 4.63 7.41 9.26 3.24 4.86 10.19 24.54 24.07 4.17 6.48 2.78 26.39 16.67 11.11 9.26 5.56 6.48 8.33 5.56 7.41 3.70 5.09 3.70 14.81 16.67 Width pm Identi- Comments fication 1.06 1.02 0.46 0.69 0.32 0.69 1.94 2.08 0.93 0.37 0.46 0.93 0.69 3.70 1.16 0.93 0.32 0.56 1.39 0.93 0.42 0.56 0.46 0.46 0.60 CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 26 MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1851 0221 DATE: 07/06/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi Comments fication 1 C6 26 B 11.11 0.56 CD 27 B 30.09 1.85 CD 28 B 5.56 0.42 CD 29 B 4.17 0.69 CD 30 B 16.20 0.93 CD 31 B 6.48 0.93 CD 32 B 5.56 0.93 CD 33 34 H7 35 B B B 5.56 0.42 CD 6.48 0.93 CD 6.94 0.37 CD 36 B 3.24 0.69 CD 37 B 38 B 3.70 0.46 CD 6.48 0.56 CD 39 B 6.48 0.46 CD 40 B 5.56 0.93 CD 41 B 10.19 0.93 CD E8 42 B 3.24 0.37 CD 43 B 10.19 1.39 CD 44 B 11.11 1.25 CD 45 B 3.70 0.46 CD 46 B 8.33 1.85 CD 47 B 12.96 0.69 CD 48 B 23.61 0.69 CD 49 B 5.09 0.56 CD 50 B 6.48 0.93 CD 51 B 3.24 0.37 CD 52 B 6.94 1.39 CD 53 B 5.56 0.69 CD 2 F3 . 54 B 4.63 0.69 CD 55 B 10.19 0.56 CD 56 B 6.48 0.60 CD 57 . B 8.33 0.93 ADX H5 58 B 19.44 0.56 CD 59 B 15.74 0.46 CD 60 B 7.41 0.56 CD 61 B 14.81 0.46 CD 62 B 4.17 0.42 CD B7 63 B 3.70 0.93 CD 64 B 5.09 0.93 CD 65 B 6.02 0.69 CD *No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 27 V MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1851 0221 DATE: 07/06/93 Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication G3 66 67 13 68 69 70 B B B B B 8.33 1.06 CD 8.33 0.46 CD 6.62 0.83 CD 4.17 0.46 CD 3.94 0.56 CD No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 28 MVA, inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1859 0229 DATE: 07/06/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: initials of Analyst: 31.5 liters Direct liters 385 mm2 21600 3:1 0.008 mm2 10 6 6 PCM Equivalent ATC Grid/ Opening Structure Structure Length Number Type pm Width pm Identi- Comments fication 1 C6 E7 G1 B9 D3 C8 F6 H3 18 H5 NSD' 1 2 NSD 3 4 NSD 5 NSD 6 B B B B B B 47.69 5.32 44.91 10.65 7.87 10.19 0.56 0.79 0.69 1.85 0.69 0.46 CD CD CD CD CD CD 'No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 29 MVA, Inc. SAMPLE ANALYSIS INFORMATION MVA PROJECT NO: MVA SAMPLE NO: CLIENT SAMPLE NO: 0607 D1860 0230 DATE: 07/05/93 Amount collected: Amount prepped: Area of collection filter Magnification used for fiber counting: Aspect ratio for fiber definition: Mean dimension of grid openings: Number of grid openings examined: Number of asbestos structures counted: Number of fibers longer than 5 pm: Initials of Analyst: 31.5 liters Direct liters 385 mm* 21600 3:1 0.008 mm2 10 12 12 PCM Equivalent ATC Grid/ Opening Structure Structure Length Number Type pm Width pm identi Comments fication 1 F8 D6 E5 2 H7 B8 E4 H5 J7 13 B2 1 2 3 4 5 NSD* 6 7 8 9 . 10 NSD 11 . 12 B B B B B B B B B B B B 8.33 14.81 8.80 14.81 5.56 6.48 10.19 11.11 6.02 16.67 6.48 6.94 0.46 0.46 0.32 0.93 0.93 1.06 0.69 0.93 0.69 0.56 0.56 1.39 CD CD CD CD CD CD CD CD CD CD CD CD No Asbestos Structures Detected D:PROJECTS:0607:RPT0608 Page 30 APPENDIX C TEM Electromicrographs of Typical Asbestos Fibers D:PROJECTS:0607:RPT0608 Page 31 MVA, Inc. --- Excellence in Microanaiysis 13 July 1993 Mr. Richard Scruggs Richard F. Scruggs, P.A. 734 Delmas Avenue Pascagoula, MS 39568 Re: Micarta Experiment (GHP Project No. 93026.02) MVA Project No. 0607 Dear Mr. Scruggs: Attached please find a report of the results of the PCM and TEM analyses performed for the above referenced project. Please note that the PCM samples were analyzed in accordance with the 7400 Method, "A" counting rules. TEM samples were prepared by the direct method. The samples were counted using a PCM equivalent method wherein only asbestos fibers >5 pm long, >0.25 pm wide and having aspect ratio >3:1 were counted. Also attached are results of the PLM analysis of the bulk Micarta sample. A trace amount of amosite was found on the outside of the Micarta board and one amosite fiber was found in one of the air samples. Typical chrysotile bundles are shown in Appendix C. I hope you find this informative and helpful. If you have any questions, please do not hesitate to call. Sincerely, Randy Boltin Research Scientist RB/JRM/aw Attachment James R. Millette, Ph.D. Executive Director D:PROJECTS:0607:RPT0608 TVlnnhnm* 404-882-8509