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Appendix C
5/20/2009
22
tube is properly aligned. Insert into the cooling coil and
hand tighten. Note: the TOC5000 requires new Teflon
ferrules at this point.
12.2.18 Adjust the column height with mounting plate screws. On
the 5000, allow enough space to slide a folded piece of
paper underneath the coil. On the 5000A, adjust the height
by the bottom platform.
12.2.19 Return the TC gas line to its proper position.
12.2.20 Secure the injection port slide.
12.2.21 Return the syringe to its proper position.
12.2.22 Turn gas and instrument on. Liquid in the IC block should
bubble. If not, check and tighten everything that was
loosened.
12.2.23 Turn the furnace on. Refer to Section 11.1 for TOC5000,
using Curve #1, and Section 11.2 for TOC5000A
instrument instructions, using the file COLCOND.CAL and
COLCOND.MET.
12.2.24 Fill auto-sampler tubes 1-78 with ASTM Type I water, and
acidify with 100
µ
l 2N HCl. Acidify the water in position
S1 standard cup with 300
µ
l 2N HCl.
12.2.25 Pull up the maintenance screen and do a Zero Point
Detection.
12.3 Semi-annual maintenance:
12.3.1 Replace the Teflon coated oring.
12.3.2 Replace the NaOH solution in the humidifier with a 0.3N
NaOH solution: 1.2 g NaOH/100 ml H
2
O.
12.4 Annual maintenance:
12.4.1 Replace the halogen scrubber and acrodisc filter.
12.4.2 Replace the soda lime scrubber.
12.4.3 Replace the 4 port valve.
12.4.4 If not used frequently, replace the IC port orings and
needle. If used regularly, follow the monthly schedule.
12.4.5 Replace the cooling coil.
12.4.6 Replace the ASI needles.
12.5 Pollution Prevention and Waste Management:
12.5.1 Liquids generated by this method are safe to put down the
sink.
12.5.2 Spent catalyst may be disposed of in the trash.
12.5.3 Spent CO
2
absorber (Soda Lime) must be disposed in a
proper manner. It should be taken to the Storage Facility
on campus to be dealt with as hazardous waste.