The sampling container requirements for Ontario Regulation 153 (O. Reg 153) are as follows:
Water:
| Analysis | Number of Containers | Container Size | Container Type | Preservative |
| Chromium VI | 1 | 125 mL | Plastic Bottle | (NH4)2SO4/NH4OH |
| Chloride | 1 | 250 mL | Plastic Bottle | Np preservative |
| Cyanide | 1 | 125 mL | Plastic Bottle | Sodium Hydroxide |
| Dissolved Metals | 1 | 120 mL | Plastic Bottle | Nitric Acid |
| Mercury | 1 | 100 mL | Clear Glass Bottle | Hydrochloric Acid |
Soil:
| Analysis | Number of containers | Container Size | Container Type | Preservative |
| HWE Boron Free Cyanide Conductivity Chromium VI Metals by ICPMS Mercury pH SAR | 1 | 250 mL | Clear Glass Soil Jar | No preservative |