ATODLEN 4Samplu a dadansoddi
RHAN 2Dulliau dadansoddi
Paramedr | Dull |
---|---|
Escherichia coli (E. coli) | EN ISO 9308-1 neu EN ISO 9308-2 |
Enterococi | EN ISO 7899-2 |
Pseudomonas aeruginosa | EN-ISO 16266 |
Cyfrifiad cytrefi 22ºC - cyfrif micro-organebau meithrinadwy | EN ISO 6222 |
Cyfrifiad cytrefi 36ºC - cyfrif micro-organebau meithrinadwy | EN ISO 6222 |
Clostridium perfringens (gan gynnwys sborau) | EN ISO 14189 |
Paramedr | Gwiredd fel % o’r crynodiad neu werth neu fanyleb ragnodedig (ac eithrio pH) | Trachywiredd fel % o’r crynodiad neu werth neu fanyleb ragnodedig (ac eithrio pH) | Terfyn canfod fel % o’r crynodiad neu werth neu fanyleb ragnodedig (ac eithrio pH) |
---|---|---|---|
Alwminiwm | 10 | 10 | 10 |
Amoniwm | 10 | 10 | 10 |
Antimoni | 25 | 25 | 25 |
Arsenig | 10 | 10 | 10 |
Bensen | 25 | 25 | 25 |
Benso(a)pyren | 25 | 25 | 25 |
Boron | 10 | 10 | 10 |
Bromad | 25 | 25 | 25 |
Cadmiwm | 10 | 10 | 10 |
Clorid | 10 | 10 | 10 |
Cromiwm | 10 | 10 | 10 |
Lliw | 10 | 10 | 10 |
Dargludedd | 10 | 10 | 10 |
Copr | 10 | 10 | 10 |
Cyanid(1) | 10 | 10 | 10 |
1.2-dicloroethan | 25 | 25 | 10 |
Fflworid | 10 | 10 | 10 |
pH crynodiad ïonau hydrogen (wedi ei fynegi mewn unedau pH) | 0.2 | 0.2 | |
Haearn | 10 | 10 | 10 |
Plwm | 10 | 10 | 10 |
Manganîs | 10 | 10 | 10 |
Mercwri | 20 | 10 | 20 |
Nicel | 10 | 10 | 10 |
Nitrad | 10 | 10 | 10 |
Nitraid | 10 | 10 | 10 |
Ocsideiddrwydd(2) | |||
Plaleiddiaid a chynhyrchion perthynol(3) | 25 | 25 | 25 |
Hydrocarbonau polysyclig aromatig(4) | 25 | 25 | 25 |
Seleniwm | 10 | 10 | 10 |
Sodiwm | 10 | 10 | 10 |
Sylffad | 10 | 10 | 10 |
Tetracloroethen(5) | 25 | 25 | 10 |
Tetracloromethan | 20 | 20 | 20 |
Tricloroethen(5) | 25 | 25 | 10 |
Trihalomethanau: Cyfanswm(4) | |||
25 | 25 | 10 | |
Cymylogrwydd(6) | 10 | 10 | 10 |
Cymylogrwydd(7) | 25 | 25 | 25 |
Paramedr | Ansicrwydd mesuriadau fel % o’r gwerth paramedrig (ac eithrio pH) |
---|---|
Alwminiwm | 25 |
Amoniwm | 40 |
Antimoni | 40 |
Arsenig | 30 |
Bensen | 40 |
Benso(a)pyren(2) | 50 |
Boron | 25 |
Bromad | 40 |
Cadmiwm | 25 |
Clorid | 15 |
Cromiwm | 30 |
Dargludedd | 20 |
Copr | 25 |
Cyanid(3) | 30 |
1,2-dicloroethan | 40 |
Fflworid | 20 |
pH crynodiad ïonau hydrogen (wedi ei fynegi mewn unedau pH) | 0.2 |
Haearn | 30 |
Plwm | 25 |
Manganîs | 30 |
Mercwri | 30 |
Nicel | 25 |
Nitrad | 15 |
Nitraid | 20 |
Ocsideiddrwydd(4) | 50 |
Plaleiddiaid(5) | 30 |
Hydrocarbonau polysyclig aromatig(6) | 50 |
Seleniwm | 40 |
Sodiwm | 15 |
Sylffad | 15 |
Tetracloroethen(7) | 30 |
Tricloroethen(7) | 40 |
Trihalomethanau: cyfanswm(6) | 40 |
Cyfanswm carbon organig (CCO)(8) | 30 |
Cymylogrwydd(9) | 30 |