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Sampling Guide
CHROMIUM VI (HEXAVALENT) - EPA 218.6
5 Days
Plastic or Glass
Buffer Solution
200mL
500mL HDPE QEC # 3213-U016
8 oz Clear wide-mouth QEC # 3114-0009
CHROMIUM VI (HEXAVALENT) – 7196, SM 3500 Cr-D
24 Hours
Plastic or Glass
6ºC OR LESS
200mL
500mL HDPE QEC # 3213-U016
100 g
8 oz Clear wide-mouth QEC # 3114-0009
COLOR - SM 2120B / SM 2120E
48 Hours
Plastic or Glass
6ºC OR LESS
50 mL
CONDUCTIVITY – 9050, SM 2510B
Extraction: 24 Hours Extract Testing: 28 Days
Plastic or Glass
6ºC OR LESS
100 mL
250mL HDPE QEC # 3213-U008
100 g
8 oz Clear wide-mouth QEC # 3114-0009
CYANIDE - EPA 335.4
14 Days
Plastic or Glass
4º C, pH>12, with NaOH, Sodium Arsenite added
1000 mL
1L HDPE QEC # 3213-U032
200 g
4 oz Clear wide-mouth QEC # 3114-0004
CYANIDES (TOTAL & AMEN) - EPA 335.4, SM 4500 CN
14 Days (24 Hours when sulfide is present)
Plastic or Glass
4º C OR LESS pH>12, withNaOH,Sodium Arsenite added
1000 mL
1L HDPE QEC # 3213-U032
200 g
4 oz Clear wide-mouth QEC # 3114-0004
CYANIDES (TOTAL & AMEN) – 9010B, 9014, SW 9012
14 Days
Plastic or Glass
4º C, pH>12, withNaOH, Sodium Arsenite added
1000 mL
1L HDPE QEC # 3213-U032
200 g
4 oz Clear wide-mouth QEC # 3114-0004
DIOXINS AND FURANS - 613
Extraction: 7 Days Extract Testing: 40 Days
Glass
6ºC OR LESS, If Residual Chlorine present use Sodium Thiosulfate.
1000mL
1000mL Amber Packer QEC # 1122-0034