Japan Joint Water Quality Testing Package Co established physicochemical ammonia nitrogen (high concentration) WAK-NH4 (C) -4-20mg/L Call
Japan Joint Water Quality Testing Package Co chemical phosphate (low concentration) WAK-PO4 (D) 0.05-2mg/L Call
Japan Joint Water Quality Testing Package Co chemical total nitrogen (inorganic) WAK-TN-i-3 0-100mg/L Call
Japan Joint Water Quality Testing Package Co chemical nickel (low concentration) WAK Ni (D) 0.3-10mg/L Call
Japan Joint Water Quality Testing Package Co established physical, chemical and biochemical oxygen demand WAK-BOD 0-500mg/L Call