1. Sampler: two 37-mm diameter cassette filter
holders (connected in series by a M-M Luer
adapter, e.g., Millipore XX1102503, or a short
piece of plastic tubing) containing:
a. (Front cassette) cellulose ester membrane
filter, 0.8-μm pore size, supported by a
backup pad.
b. (Back cassette) cellulose filter (Whatman
40 or equivalent) which has been
saturated with fixative solution and dried
20 to 30 min at 100 °C, supported by a
porous plastic support pad.
2. Personal sampling pump, 0.5 to 1.5 L/min,
with flexible connecting tubing.
3. Vials, glass, 20-mL, screw-cap, such as
scintillation vials.**
4. Ion chromatograph, HPIC-AS4A anion
separator and HPIC-AG4A guard, anion
micromembrane suppressor, conductivity
detector, and strip chart recorder. (Optional:
integrator.)
5. Syringes, 10-mL, polyethylene, with luer tip.**
6. Filters, in-line, luer-tip holder with membrane
filter, 13- or 25-mm, 0.45-μm pore size.
7. Micropipets, 50- to 1000-μL, with disposable
tips.**
8. Volumetric flasks, 50- and 100-mL.**
9. Pipet, 10-mL.**
10. Polyethylene bottles, 250-mL.**