Vietnam: Permissible levels of natural mineral products intended for environmental treatment in aquaculture

07:08, 12/08/2019

Recently, the Ministry of Agriculture and Rural Development of Vietnam issued Circular No. 08/2019/TT-BNNPTNT on promulgation of the National technical regulation on environmental treating products in aquaculture.

Permissible levels of natural mineral products intended for environmental treatment in aquaculture are specified in Table 2 of the National technical regulation on environmental treating products in aquaculture Part 1: Chemical, biological products. Code: QCVN 02-32 - 1: 2019/BNNPTNT promulgated together with Circular No. 08/2019/TT-BNNPTNT of the Ministry of Agriculture and Rural Development of Vietnam. To be specific:

muc gioi han an toan khoang chat tu nhien xu ly moi truong nuoi trong thuy san, Thong tu 08/2019/TT-BNNPTNT

Table 2: Permissible levels

No.	Product	Minimum levels	Maximum levels
1	CaO, MgO (quicklime)	CCE: 140	Arsenic (As): 15 mg/kg Lead (Pb): 70 mg/kg
2	Ca(OH)2, Mg(OH)2 (hydrated lime)	CCE: 110
3	CaCO3, CaMg(CO3)2 (limestone, Dolomite)	CCE: 80
4	Zeolite	SiO2: 65% by weight

Other natural mineral products on the List of chemicals, biological products, microorganisms and ingredients in aquaculture feed permitted for use in aquaculture in Vietnam must comply with the maximum levels set out in Table 2.

Permissible levels of biological products intended for environmental treatment in aquaculture are also specified in Table 3, specifically as follows:

Table 3: Permissible levels

No.

Product

Minimum levels

Maximum levels

Microbiological preparations/Mixed preparations containing live microorganisms.

Number of beneficial organisms: 106 CFU/g (or ml) *

Salmonella: not detected in 25 g (or ml)

Escherichia coli:1000 Cfu/g (or ml)

Preparations extracted from tea seed meal

Saponin: 12 % by weight

* Regarding microbiological preparations that contain multiple species that share the same genus name, the average number of beneficial organisms must be ≥ 106CFU/g (or ml).

Enzyme preparations, preparations extracted from microorganisms and mixed preparations must comply with the maximum levels set out in Table 3.

Other provisions can be found in Circular No. 08/2019/TT-BNNPTNT of the Ministry of Agriculture and Rural Development of Vietnam, which takes effect from January 01, 2020.

Thu Ba

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