SANS 241 – Check and Compare

SANS 241

Physical and Aesthetic determinands

Determinand	Units	Lab Value	Operational	Aesthetic	Chronic	Acute	Comment
Colour	mg/l Pt-Co			15
Conductivity	mS/m			170
TDS	mg/l			1200
Turbidity	NTU		1	5
pH at 25 ^oC	pH units		≥ 5 to ≤ 9.7
Langelier Index	Units		-1 to 1
Hardness	mg/l CaCO ₃
Alkalinity	mg/l CaCO₃		150
Total Organic Carbon	mg/l				10
Nitrate	mg/l					11
Nitrite	mg/l					0.9
Nitrate + Nitrite	mg/l					1
Sulphate	mg/l			250		500
Flouride	mg/l				1.5
Ammonia	mg/l			1.5
Chloride	mg/l			300
Sodium	mg/l			200
Iron as Fe	µg/l			300	2000
Manganese	µg/l			100	400

Lab Ref:
Description:
Date:

Determinand	Units	Lab Value	Operational Limit	Aesthetic Limit	Chronic Health	Acute Health	Comment
Lab Ref:		Description:				Date:
Colour	mg/l Pt-Co			15
Conductivity	mS/m			170
TDS	mg/l			1200
Turbidity	NTU		1	5
pH at 25 ^oC	pH units		≥ 5 to ≤ 9.7
Langelier Index	Units		-1 to 1
Hardness	mg/l CaCO ₃
Alkalinity	mg/l as CaCO₃		150
Total Organic Carbon	mg/l				10
Nitrate	mg/l					11
Nitrite	mg/l					0.9
Nitrate + Nitrite	mg/l					1
Sulphate	mg/l			250		500
Flouride	mg/l				1.5
Ammonia	mg/l			1.5
Chloride	mg/l			300
Sodium	mg/l			200
Iron as Fe	µg/l			300	2000
Manganese	µg/l			100	400