SKC DCS (Deployable Cartridge Sampler) System - Manual (Page 7)

4
MEDIA PREPARATION
For Laboratory Use
Use clean hexane-rinsed PTFE-tipped forceps to handle fi lters.
Wear disposable, clean, lint-free nylon or powder-free surgical gloves
to handle the sorbent and cartridge.
Quartz Filter: Prepare following the procedure outlined in EPA TO-9A or
TO-13A, Section 10.2.1. (htt p://www.epa.gov/tt namti1/airtox.html)
XAD-2 Sorbent: Purchase precleaned or use procedure outlined in EPA TO-
13A, Section 10.2.5.
PUF: Purchase precleaned or use procedure outlined in EPA TO-9A or TO-13A,
Section 10.2.4.
CARTRIDGE PREPARATION
For Laboratory Use
Use clean hexane-rinsed PTFE-tipped forceps to handle fi lters.
Wear disposable, clean, lint-free nylon or powder-free surgical gloves
to handle the sorbent and cartridge.
1. Rinse cartridge with appropriate organic solvent and allow to dry.
2. Ensure PTFE gasket 1, the stainless steel support screen 1, and PTFE
gasket 2 are in place on bott om cartridge cap.
3. Insert PUF or XAD-2 into the cartridge.
4. Ensure the PTFE gasket 3 and stainless
steel screen 2 are in place on cartridge
body top.
5. Using cleaned forceps, align quartz fi lter
with screen radially, and place PTFE
gasket 4 on top of fi lter. Thread top
cartridge cap onto cartridge.
6. Wrap the cartridge with hexane-rinsed
aluminum foil, place in supplied PTFE
jar, and label jar. Analyze (certify) at least
1 cartridge from each batch of cartridges
prepared using the procedure described
in Section 10.3 of EPA TO-9A or EPA
TO-13A (htt p://www.epa.gov/tt namti1/
airtox.html) prior to fi eld use. See Section
10.3.8 for acceptable background levels.
Cartridges are considered clean for up to
30 days from date of certifi cation when
sealed in their containers.
Cartridge for EPA TO-13A
Top
cartridge cap
PTFE gasket 4
Stainless steel
support screen 2
PTFE gasket 3
Stainless steel
cartridge body
PTFE gasket 2
Stainless steel
support screen 1
Bottom
cartridge cap
Insert
47-mm
fi lter
Insert
PUF or
XAD-2
sorbent
t
t
PTFE gasket 1