Media/chemical | Units | Standards | Highest recorded sampling result | ||||
---|---|---|---|---|---|---|---|
UK soil6and drinking water7 | Dutch soil7 and WHO drinking water8 | ||||||
Sediment: | |||||||
Total PAHs | mg/kg | 505-150 | 405-151 | 1.6 | |||
Phenol | mg/kg | 55-152 | 40 | 0.42 | |||
Ammonia | mg/kg | — | — | 5.83 | |||
Total cyanide | mg/kg | 2505-153 | 505-154 | 2.8 | |||
Arsenic | 105-160, 405-164 | 55 | 16.7 | ||||
Seawater: | |||||||
Total PAHs | mg/l | 0.00025-161 | — | 0.002806 | |||
Phenol | mg/l | 0.0005 | — | 0.000392 | |||
Ammonia | mg/l | 0.5 | 1.55-162 | 0.536 | |||
Total cyanide | mg/l | 0.05 (free) | 0.07 (free) | 0.046 | |||
Arsenic | mg/l | 0.05 | 0.01 | — | |||
Seepage water: | |||||||
Total PAHs | mg/l | 0.00025-161 | — | 0.014 | |||
Phenol | mg/l | 0.0005 | — | 0.015 | |||
Ammonia | mg/l | 0.5 | 1.55-162 | 0.15 | |||
Total cyanide | mg/l | 0.05 (free) | 0.07 (free) | 0.7 | |||
Arsenic | mg/l | 0.05 | 0.01 | 0.15 |
Numbers in bold indicate recorded concentrations that are above the specified standards.
↵5-150 For domestic gardens, allotments, play areas.
↵5-151 Total PAHs=sum of anthracene, benzo(a)anthracene, benzo(a)fluoranthene, benzo(a)pyrene, chrysene, phenanthrene, fluoranthene, indeno(1,2,3-cd)pyrene, naphthalene, and benzo(ghi)perylene.
↵5-152 For domestic gardens, allotments.
↵5-153 Complex cyanide, for domestic gardens, allotments.
↵5-154 Complex cyanide (pH >5).
↵5-160 For domestic gardens, allotments.
↵5-164 For parks, playing fields, open space.
↵5-161 Sum of fluoranthene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, benzo(ghi) perylene, and indeno(1,2,3-cd)pyrene.
↵5-162 Set for customer complaints for odour and taste. No health based guideline value.