Water Hold Times for O.Reg 153 and CCME

Modified on: Wed, 22 May, 2019 at 8:26 AM


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

Test

Holding  Time

Containers

Notes

O.Reg. 153/04

CCME (2016)

O.Reg. 153/04

CCME (2016)

O.Reg. 153/04 & CCME

INORGANICS   IN WATERS

Chloride,   Electrical Conductivity
28 days
Glass   or HDPE
Glass   or HDPE
No   field preservation is required
Cyanide
14   days
HDPE or glass
HDPE   or glass
Must   be field preserved - NaOH
Hexavalent Chromium
28 days if buffer solution   is used; 24 hours if   preserved with NaOH only
HDPE   or glass
HDPE   or glass
Must   be field filtered for ``dissolved``
pH
28   days
15   minutes (FIELD TEST)
Glass   or HDPE
Glass   or HDPE
No   field preservation is required
Metals
60   days (field preserved)
180   days (field preserved)
HDPE   or Teflon
HDPE   or Teflon
HNO3
Mercury
28 days
glass   or Teflon
Glass   or Teflon
HCl   ; must be field preserved
Methyl Mercury
28 days
glass   or Teflon
glass   or Teflon
HCl   or H2SO4; do NOT filter
Ammonia, Nitrate+Nitrite
-
28   days preserved; 3 days unpreserved
-
HDPE   or glass
H2SO4   preservation
Total N, Total P, TKN
-
28   days preserved; 3 days unpreserved
-
HDPE   or glass
H2SO4   or HCl preservation
Fluoride, Sulphate
-
28   days
-
HDPE   or glass
No   field preservation is required
Colour, o-Phosphate
-
3   days; laboratory to commence analysis within 48 hrs of receipt
-
HDPE   or glass
No   field preservation is required
Reactive chlorine species, Dissolved Oxygen
-
15   minutes (FIELD TEST)
-
HDPE   or glass
No   field preservation is required
Solids, TSS, TDS
-
7   days
-
HDPE   or glass
No   field preservation is required
Turbidity
-
3 days; laboratory to commence   analysis within 48 hrs   of receipt
-
HDPE   or glass
Protect   from light

ORGANICS IN WATERS

BTEX,   PHCs (F1), THMs, VOCs
14 days preserved; 7 days unpreserved
14 days preserved; 7 days unpreserved (aliphatics); must preserve for aromatics
40-60mL   glass vials, 0-headspace (minimum 2 vials)
40-60mL   glass vials, 0-headspace (minimum 2 vials)
NaHSO4   or HCl; CCME - Na2S2O3 if chlorinated water is sampled
1,4 - Dioxane
May be sampled and analyzed as a VOC or ABN; 14 days preserved or unpreserved
May be sampled and analyzed as a VOC or ABN;
-
PHCs F2-F4
40 days preserved; 7 days unpreserved
14 days preserved; 7 days unpreserved
Glass,   Teflon lined lid
Glass,   Teflon lined lid
NaHSO4   or HCl
ABNs, CP, OCs, PAHs
14 days unpreserved
14   days preserved; 7 days unpreserved
Glass,   Teflon lined lid
Glass,   Teflon lined lid
Field   preservation not mandatory; CCME - NaHSO4; Na2S2O3 if chlorinated water is   sampled
PCBs
14 days unpreserved
Indefinite
Glass,   Teflon lined lid
Glass,   Teflon lined lid
CCME   - Na2S2O3 if chlorinated water is sampled
Pesticides & Herbicides
-
14   days preserved; 7 days unpreserved
-
Glass,   Teflon lined lid
Field   preservation not mandatory; CCME - NaHSO4; Na2S2O3 if chlorinated water is   sampled
PFASs
-
14   days preserved; 7 days unpreserved
-
Glass,   PE-lined lids
No   Teflon to be used when sampling for PFASs
Dioxins & Furans
Indefinite
Glass,   Teflon lined lid
Glass,   Teflon lined lid
Field   preservation not mandatory; CCME - Na2S2O3 if chlorinated water is sampled
Glycols
-
14   days preserved; 7 days unpreserved
-
40-60mL   glass vials; minimum of 2 vials
CCME   - NaHSO4 or HCl
Legend:
 
 
 
 
HDPE - high density   polyethylene




PET - polyethylene   terephthalate




PP - polypropylene




H/LD PE - high /   low density polyethylene
 
 
 
 



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