DOH/DEP asbestos fact sheet draft, 105 Duane Street

NYC 9/11 Public Portal Document 12/11/2001 17:08 FAX 212 353 8306 ATC la 006

D 5755 lessening the accuracy of the determination..' 7.34 Asbestos Standards, as outlined in 3.1.2. 7.2 Trmrsmisssion Electron Microscope (TEAl), an 80 to 7.35 T)gon' Tubing, or equivalent. 120 kV TEM, capable of performing electron diffraction, 7.36 Small Vacuum Pump, that can maintain a pressure with a fluorescent semen inscn'bed with calibrated grada- of 92 kPa. tions, is required. The TEM must be equipped with energy 7.37 Petri Dishes, large glass, approximately 90 mm in dispersive X-ray spectroscopy (EDXA) and it must have a diameter. scanning traasmisdon electron microscopy (STEM) attach- 7.38 J# Washe•, stainless steel or aluminum mesh ment or be capable of producing a spot size of leas than 250 screen, 30 to 40 we , and approximately 73 mm by 50 mm am in diameter in ussover. in size. 73 Energy Dispersive X-ray System (EDXA). 7.39 Copper TEM Finder Ghdds, 200 mesh. 7.4 High Vacuum Carbon £Pgporator, with rotating stage. 7.40 Carbon Evaporator Rods 7.5 High ZffrieMcy Particulate Air (HEPA), Mitered nega- 741 Lens Tissue. tive flow hood. 7.42 As/less Filter Paper Filters, 90 mm diameter. 7.6 Exhaust or Fume Hood 7.43 Gummed Paper Reinforcement Rl 7.7 PartIrle-free Water (ASTM Type A, see Specification 7.44 Wash Bottles, plastic. D 1193). 743 Reagent Alcohol, EPIC Grade (Flab A995 or 7.8 Glass Beakers (50 niL). 7.9 Glass Sampk Containers, with wide mouth screw cap 7.7.46 OpenIng Mesh Screen, plasttc, 1.0 by 1.0 mm, (200 mL) or equivalent sealable container (height of the glass (Spectra-Mesh #146410 or equivalent). sample container should be approximately 13 cm high by 6 7.47 DOrraalon Grating R ice. cm wide). 7.10 Wate o Markers. 8. Sampling Procedure for Microvacunm technique 7.11 Forceps (tro s). 8.1 For sampling asbestos-containing dust in either indoor 7.12 Ultrasonic Bain, table top model (100 W). or outdoor environments, commercially available cassettes 7.I3 Graduated Pipettes (1, S. 10 nL, sizes), glass or must be used. Air monitoring cesseusa containing 25 mm or i s 37 mm diameter mixed cellulose ester (MCE) or 7.14 F11w Fwvre4 either 25 mm or 47 mm, glass or polymrbonate (PC) filter membranes with a pore sihl¢ less disposable. Filter funnel assemblies, either glass or disposable than or equal to 0.8 pm are required (7.31). The number of plastic and using either a 25 mm or 47 mm diameter filter. samples collected depends upon the specific circumstances of 7.15 SideArm Filter Flask. 1000 mL. the study. 7.16 Mired Celbdose Ester (AICE) Membrane Ethers, 25 8.2 Maintain a log of all pertinent sampling information or 47 mm diameter, 0.22 pin and 5 um pore size. and sampling locations. 7:17 Polyaa'bonate (PC) Plkery, 25 or 47 mm diameter, 8.3 Sampling pumps and now indicators shall be call- X02 pm pose size, biased using a certified standard apparatus or assembly (see 7.I8 Sfortage Containers, for the 25 or 47 mm filters (for Practice P3195 and 7.29). 8.4 Record all calibration information (5). 7.19 Glass Slides, approximately 76 by 25 mm In size. 8.5 Peahen a leak check of the sampling system at each 7.20 S Blades, No. 10, or equivalent, sampling site by activating the pump (7.29) with the closed 721 Cab!net-type Desiccator, or low temperature drying sampling came in line. Any air flow shows that a leak is present that must be eliminated before initiating the sam- X 7.22 G'hlorqbmz.reagent grade. pling . 7.23 Acetone reagent grade. 8.6 Attach the sampling rate to the sampling pump at 7.24 Dime hylfb mamlde (DMF). the outlet sick of the see with plastic tubing (7.3$). The 7.23 Gladal Acetic Add plastic mbiig mettle be long enough in that the sample arcs 7.26 I-methyl-2pyrrotl can be reached without interference from the sampling 727 Plasma Asher, low temperature. pumtp. Attach a clean, approximately 25.4 mm long piece of 7.28 pH Paper. inletplastic bing (6.35 mm internal diameter) directly to the 7.29 Air Sampling Pump, low volume personal-type, car orifice. Use this piece of tubing as the sampling nozzle. gable of achieving a Now raw of I to 3 L/min. On the scmliug end of the tubing at a 4? angle as 7.30 Rotomster. Oluserazed in P1g, 1. The exact design of the nettle in not 7.31 Air Sampling Cassettes, 25 mm or 37 mat, oon- critical as tong as some vacuum break is provided to avoid Wai8 0,8 gm or smaller pore size MCE or PC filters. simply pushing the duet around on the suthce with the 7.32 Cork Borer, 7 mm. uceale rather than vacuuming it into the cassette. The 7.33 ?lon-AthesiosMbzera4 references as outlined in 6.1. Internal diameter of the nozzle and flow rate pump may vary as bag as the air velocity is 100 ((10) cm/s. This air velocity calculation is based on an Internal a pg tuba 'R ø Oft-k Amo r t2Wetort A=dM diameter of 6.35 mm at a flow rate of 2 L,Imia. chneiott 8oeiai Wmb wC . G car on me mafegere net NO by do Amens' ".' at 8eeiax w Aaalá. ,tr LONOWy 8.7 Mira and determine the sample area of interest A Wk, nuts tom. rook, Matta. U.K. and the VILW es Pkme-..,.' wad wm Fwmi y U.S PlwrnAm l Cmti ion, Inc. (t39P4 a MI ?Tj~es in a rr aims mope Park of the DuPed Co.

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