SKC 690-101, 690-102, 690-103, 690-104 User Manual
Operating Instructions
Tel: 724-941-9701 Fax: 724-941-1369 e-mail: skctech@skcinc.com
863 Valley View Road, Eighty Four, PA 15330 USA
ULTRA III Passive Samplers
Cat. Nos. 690-101, -103, and -104
Clip
Diffusion holes
(sample sorbent
compartment)
Blank/
correction
sorbent
compartment
Sliding cover in open
(sampling) position
Sliding
cover
Clip
Sample
compartment
Blank/
correction
compartment
Sliding cover in
closed position
Sample sorbent
compartment
Sliding
cover
correction
compartment
Clip
Plugs
Blank/
sorbent
Back view
Applications
SKC patented* ULTRA® III Passive Samplers provide for low ppb to ppt detection
of organic vapors in ambient and indoor air.
Performance Profi le
Sampling Rates: Go to the SKC Passive (Diff usive) Sampling Guide at
Analysis: Thermal desorption; gas chromatography
Shelf-life: 30 days from date of manufacture. Store at ≤ 39.2 F (4 C).
www.skcinc.com/PassiveGuide/default.asp. Indoor (zero
velocity) sampling rates are available at www.skcinc.com/
instructions/1811.pdf.
See Analysis Instructions at www.skcinc.com/instructions/40125.pdf.
* U.S. Patent No. 6,607,581
www.skcinc.com
Sampling
1
2
3a
3b
456
1. Open pouch. Remove sampler.
a. Do not discard pouch.
b. Store pouch in a clean, organic solvent-free
environment.
2. Record the following:
a. Sample ID on pouch and sampler I.D. label
b. Sampling location on pouch
c. Date sample taken on pouch
Do not use Sharpie® markers or equivalent
to mark label or pouch as these can off-gas
VOCs.
3. Clip sampler(s) in appropriate location.
a. Indoors: Clip sampler(s) to stand accessory
(Cat. No. 690-302) and locate at appropriate
height.
b. Outdoors: Clip sampler(s) inside shelter
(open on two ends and bo om to allow air
to fl ow freely). Hang shelter securely at the
appropriate height.
Ensure diffusion holes in sampler are not
obstructed in any way.
Sampler
I.D. label
4. Start sampling: Slide sampler cover to open
position (diff usion holes visible).
a. If performing for an extended sampling
time or sampling in an area of high
concentrations, install Secondary Diff usion
Barrier accessory (Cat. No. 690-300); see
Operating Instructions 39008.
Diffusion holes
(sample sorbent
compartment)
Blank/
correction
sorbent
compartment
Clip
Sliding cover
b. Write sample start time on pouch label.
5. Stop sampling: Slide sampler cover to closed
Sample compartment
position (arrow and SKC visible).
a. Remove Secondary Diff usion Barrier, if used,
and then slide cover to closed position; see
Operating Instructions 39008.
b. Write sample stop time on pouch label.
Blank/
correction
compartment
Clip
Sliding cover
6. Place sampler in its resealable pouch
immediately a er sampling.
Ensure sample ID on sampler matches sample
ID on pouch.