Instruction Manual

ManualsBrandsSKC ManualsWater equipment225-70A IOM Inhalable Dust Sampler with MultiDust Foam Discs

Operating Instructions

863 Valley View Road, Eighty Four, PA 15330 USA

Tel: 724-941-9701 Fax: 724-941-1369 e-mail: skctech@skcinc.com

IOM Personal Samplers and

IOM Samplers with MultiDust

Description

The patented* IOM Sampler is a sampling head that houses a reusable two-part

ﬁ lter casse e with speciﬁ ed 25-mm ﬁ lter for the collection of inhalable airborne

particles. The ﬁ lter and casse e assembly are pre and post-weighed as a single unit

for gravimetric analysis. The IOM Sampler and casse e are available in conductive

plastic or stainless steel. The stainless steel model is ideal for sampling vapor-phase

isocyanates followed by chemical analysis. The IOM Sampler meets the following

U.S. and international standards:

• ACGIH

sampling criteria for inhalable particulate mass

• NIOSH Method 5700 for formaldehyde on dust

• Australian standard for inhalable particulate

• Preferred sampler for HSE Method MDHS 14/3 for inhalable and respirable dust

• Complies with MDHS 25/3 for organic isocyanates (with stainless steel model)

• Complies with MDHS 6 for lead (with accessory single-hole head)

• ISO

/CEN health-related fractions of bioaerosols

• OSHA equivalent method for particulates not otherwise regulated (PNOR)

‡

The sampler is supplied with a casse e cover and casse e transport clip to prevent

contamination during transport.

* U.S. Patent No. 4,675,034

‡ Reference: OSHA le er November 8, 2011

IOM with MultiDust Foam Disc

The IOM can be used to sample for inhalable and respirable fractions simultane-

ously by using a ﬁ lter and a MultiDust Foam Disc (polyurethane foam). In addition,

a polycarbonate ﬁ lter can be combined with a MultiDust Foam Disc for eﬀ ective

size-selective bioaerosol sampling and be er microorganism survivability when

compared to ﬁ lter-only sampling.

Conductive plastic IOM

Stainless steel IOM

Summary of content (12 pages)

PAGE 1
Operating Instructions 863 Valley View Road, Eighty Four, PA 15330 USA Tel: 724-941-9701 Fax: 724-941-1369 e-mail: skctech@skcinc.com IOM Personal Samplers and IOM Samplers with MultiDust Stainless steel IOM Conductive plastic IOM Description The patented* IOM Sampler is a sampling head that houses a reusable two-part filter cassette with specified 25-mm filter for the collection of inhalable airborne particles.
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Performance Profile Flow Rate: 50% Cut-point: Material: 2 L/min (personal sampling) 100 μm at 2 L/min inhalable fraction 4.
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O-ring A O-ring B Proper O-ring placement in IOM front plate, plastic and stainless steel models O-ring C Proper O-ring placement in housing body, plastic model only Figure 3. O-ring placement Preparation and Assembly Handling Wear powder-free gloves when handling cassettes and use forceps when working with filters and foams to prevent the transfer of moisture, dust, or other contaminants onto the sampling media. Users may wish to use sterile gloves and forceps depending on the contaminant of interest.
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IOM Stainless Steel Cassette Use stainless steel cassette only. Autoclave stainless steel cassette up to 392 F (200 C). Reminder: Use powder-free gloves and forceps to insert the filter and foam into the cassette (see Filter Cassette: Opening, Installing Filter, and Closing). Users may wish to use sterile gloves and forceps depending on the contaminant of interest. Storage Requirements for IOM MultiDust Foam Discs IOM MultiDust Foam Discs are sensitive to heat, humidity, and ultraviolet light.
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Filter Cassette: Opening, Installing Filter, and Closing (Figure 4) Cassette 1. Separate the cassette top from the cassette bottom. top a. Plastic cassette: Use gentle pressure to separate the two halves of the plastic cassette (Figure 4). b. Stainless steel cassette: Twist cassette top in Filter cassette bottom until notch on cassette top aligns with bump on cassette bottom. Pull straight up. 2.
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5. Place a single MultiDust Foam Disc for respirable sampling (Cat. No. 225-772) into the inlet of the cassette top so that it sits just below the rim (Figure 7). Ensure that it is not creased and there are no gaps between it and the cassette wall. Note: The foam disc is larger than the inlet; therefore, it must be compressed evenly to fit properly. Foam insert Cassette front Filter Cassette support grid 6. Insert the cassette top containing the foam Figure 7.
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Calibration Calibrate pump flow rate using a primary standard calibrator, IOM Calibration Adapter accessory, and a representative loaded IOM Sampler in line. Calibration Adapter Setup (Figure 10) 1. Push an IOM Sampler loaded with a representative filter and cassette through the hinged bracket and place inlet against the adapter’s foam ring. 2. Clamp IOM in place with plastic clamping screw until foam ring compresses by 1 mm. Ensure IOM inlet is centered. 3.
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5. After sampling, stop the pump. Unscrew the front plate from the housing body and remove the cassette from the sampler (may use sterile forceps and gloves depending on the contaminant of interest). Place the cover on the cassette and wipe the external surface of the cassette with a clean lint-free paper, cloth, or soft brush (may use sterile items depending on the contaminant of interest). Place cassette with cover into the supplied transport clip (Figure 8).
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Transporting Samples to a Laboratory Wear powder-free gloves when handling cassettes and use forceps when working with filters. Users may wish to use sterile gloves and forceps depending on the contaminant of interest. For gravimetric samples: Immediately following sampling, unscrew IOM front plate and remove cassette from housing body. Place cassette cover on cassette and insert into a transport clip (Figure 8). Place unit into a sterile plastic bag depending on the contaminant of interest.
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Post-weighing for Inhalable and Respirable Fraction Wear powder-free gloves when handling cassettes and use forceps when working with filters. 1. Equilibrate plastic cassette, filter, and foam for a reasonable time based on humidity conditions. 2. Remove the cassette from the transport clip or sampler housing body. The cassette cover can remain on the cassette if it was included in the pre-weight. Before proceeding, see table on Pre and Post-weighing for Specific Fractions on page 4.
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6. Create five 10-fold serial dilutions (to 10-5 of original suspension) from each suspension and spread 0.1 ml of each dilution (plus 0.2 ml of undiluted sample if a low bioaerosol count is expected) onto the surface of duplicate agar plates. Select agar media based on the expected microbial species. 7. Incubate plates at appropriate temperatures and count emerging colonies after four to seven days of incubation. Use total number of CFU per plate to calculate airborne viable cell concentrations.
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Ordering Information Description IOM Sampler and cassette,§ in conductive plastic, with transport clip and cover IOM Sampler and cassette,§ in stainless steel, with transport clip and cover IOM Sampler,§ in conductive plastic, with stainless steel cassette, transport clip, and cover Accessories Cassette assembly, in conductive plastic, with transport clip and cover Cassette assembly, in stainless steel, with transport clip and cover Transport Clip and Cover Calibration Adapter Single Hole Lead Head, for sam