Which of the following codes is used for methods of sampling

Which of the following codes is used for methods of sampling is 11991959 The workability of the concrete so prepared was studied by conducting slump test as per the standard procedure given in IS: 1199 1959 IS: 11991959 is pooja lokesh married IS : 1199-1959 The apparatus consists of a pressure tight flanged cylindrical measuring bowl of cubic meter capacity for maximum size of aggregate 38

is mpl scam IS 1199 : Methods of sampling and analysis of concrete Page 2 Page 3 Page 4 Gr 9 IS : 1199