CHECK RANGES FOR TESTING – ONLY FOR REFERENCE IN LAB
NH3-N;
Titre range: 8.39 mL – 9.24 mL
Aliquot: 100 mL
Kjeldahl-N;
Titre range: 15.71 mL – 16.55 mL
Aliquot: 100 mL
I.C. readings;
NO3 reading: 1.69 (mg/L) – 2.32 (mg/L)
NO4 reading: 9.68 (mg/L) – 10.33 (mg/L)
Metal analysis;
Total Cr: 410 - 590
Total Zn: 425 - 575
Aliquot: 100 mL
Hexavalent Chromium: 0.044 – 0.055
Phosphorus;
P (mg/L) calculated range; 1.84 – 2.16
P (mg/L) reading range: 0.46 (mg/L) – 0.54 (mg/L)
Aliquot: 50 mL in 200 mL
Suspended solids;
0.0094 g - 0.0100 g
Aliquot: 100 mL
Oil & grease;
85 (mg/L) – 115 (mg/L)
Sample vol: 1000 mL
Extract vol: 100 mL