TM 10-6630-245-13&P Table 2-1.  Preventive Maintenance Checks and Services for WQAS-PM - Continued. Location Item Item To Be No. Interval Check/Service Procedure Not Fully Mission Capable If: 2 After Chemical and j.  Inspect Nitrate Test Reagent powder j.  Shelf life expired.  Leakage of pillows Supplies pillows for current shelf life, damaged is evident (until cleaned up and (continued) pillows, readable label. replaced).  Contents unidentifiable. k.  Inspect Ferrous Iron Reagent powder k.  Shelf life expired.  Leakage of pillows pillows for current shelf life, damaged is evident (until cleaned up and pillows, readable label. replaced).  Contents unidentifiable. l.  Inspect Iron Reagent powder pillows l.  Shelf life expired.  Leakage of pillows (for 5 ml sample) for current shelf life, is evident (until cleaned up and damaged pillows, readable label. replaced).  Contents unidentifiable. m.  Inspect Phenanthroline Reagent m.  Shelf life expired.  Leakage of pillows (FerroVer Iron powder pillows for 25 ml is evident (until cleaned up and sample) for current shelf life, damaged replaced).   Contents unidentifiable. pillows, readable label. n.  Inspect detergent for quantity, leaking n.  Bottle less than 25% full.  Leakage is container. evident (until cleaned up and replaced). Contents unidentifiable. 3 After Test Kit, Acidity a.  Inspect case for function. a.  Use or environmental exposure has made case or contents unreliable. b.  Inspect test tube and mixing bottle for b.  Labware is broken or missing to the cracks, breakage, damaged measurement extent that you can't make accurate markings.  Make sure labware is clean measurements. and dry. c.  Inspect Bromcresol Green-Methyl Red c.  Shelf life expired.  Leakage of pillows Indicator powder pillows for current is evident (until cleaned up and shelf life, damaged pillows, readable replaced).  Contents unidentifiable. label. d.  Inspect Phenolphthalein Solution for d.  Bottle less than 25% full.  Shelf life quantity, current shelf life, leaking expired.  Leakage is evident (until container, readable label. cleaned up and replaced).  Contents unidentifiable. e.  Inspect Sodium Hydroxide Solution e.  Bottle less than 25% full.  Shelf life for quantity, current shelf life, leaking expired.  Leakage is evident (until container, readable label. cleaned up and replaced).  Contents unidentifiable. 4 After Test Kit, Ferric a.  Inspect case for function. a.  Use or environmental exposure has Iron made case or contents unreliable. b.  Inspect color comparator, viewing b.  Labware is broken or missing to the adapter, two viewing tubes and color disc extent that you can't make accurate for cracks, breakage, damaged measure- measurements. ment markings.  Make sure labware is clean and dry. 2-4